Malware analysis msvcrt.dll Malicious activity | ANY.RUN

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File name:	msvcrt.dll
Full analysis:	https://app.any.run/tasks/2aeec9fc-71c9-4f07-b5e0-844da22a80a7
Verdict:	Malicious activity
Analysis date:	June 30, 2024, 19:48:24
OS:	Windows 10 Professional (build: 19045, 64 bit)
Indicators:
MIME:	application/x-dosexec
File info:	PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5:	055B02D711CDEDB8C5997274C4E99CB8
SHA1:	5C816EEB6E4D5F1C11E9F56C992EE7D452E7C0F9
SHA256:	D7CEA69A98579D928E534070F5293E80ED7DF38BAF611B20717EF55AA1344A18
SSDEEP:	6144:yk54RkH8RKDou3LlG/3Roe0Ro4zJsdF9gjFMgiFjNr7mcl2oZhogKLOmJxZR92l3:R4RtIR3BG/3We0RVJsdFFUzchogKLOmc

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

Launch configuration

Task duration:: 300 seconds
Heavy Evasion option:
Network geolocation:: off
Additional time used:: 240 seconds
MITM proxy:: off
Privacy:: Public submission
Fakenet option:: off
Route via Tor:: off
Autoconfirmation of UAC:: on
Network:: on

Software preset

Internet Explorer 11.3636.19041.0
Adobe Acrobat (64-bit) (23.001.20093)
Adobe Flash Player 32 NPAPI (32.0.0.465)
Adobe Flash Player 32 PPAPI (32.0.0.465)
CCleaner (6.20)
FileZilla 3.65.0 (3.65.0)
Google Chrome (122.0.6261.70)
Google Update Helper (1.3.36.51)
Java 8 Update 271 (64-bit) (8.0.2710.9)
Java Auto Updater (2.8.271.9)
Microsoft Edge (122.0.2365.59)
Microsoft Edge Update (1.3.185.17)
Microsoft Office Professional 2019 - de-de (16.0.16026.20146)
Microsoft Office Professional 2019 - en-us (16.0.16026.20146)
Microsoft Office Professional 2019 - es-es (16.0.16026.20146)
Microsoft Office Professional 2019 - it-it (16.0.16026.20146)
Microsoft Office Professional 2019 - ja-jp (16.0.16026.20146)
Microsoft Office Professional 2019 - ko-kr (16.0.16026.20146)
Microsoft Office Professional 2019 - pt-br (16.0.16026.20146)
Microsoft Office Professional 2019 - tr-tr (16.0.16026.20146)
Microsoft Office Professionnel 2019 - fr-fr (16.0.16026.20146)
Microsoft Office профессиональный 2019 - ru-ru (16.0.16026.20146)
Microsoft OneNote - en-us (16.0.16026.20146)
Microsoft Update Health Tools (3.74.0.0)
Microsoft Visual C++ 2013 Redistributable (x64) - 12.0.30501 (12.0.30501.0)
Microsoft Visual C++ 2013 x64 Additional Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2013 x64 Minimum Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2015-2022 Redistributable (x64) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2015-2022 Redistributable (x86) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2022 X64 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X64 Minimum Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Minimum Runtime - 14.36.32532 (14.36.32532)
Mozilla Firefox (x64 en-US) (123.0)
Mozilla Maintenance Service (123.0)
Notepad++ (64-bit x64) (7.9.1)
Office 16 Click-to-Run Extensibility Component (16.0.15726.20202)
Office 16 Click-to-Run Licensing Component (16.0.16026.20146)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15928.20198)
PowerShell 7-x64 (7.3.5.0)
Skype version 8.104 (8.104)
Update for Windows 10 for x64-based Systems (KB4023057) (2.59.0.0)
Update for Windows 10 for x64-based Systems (KB4023057) (2.63.0.0)
Update for Windows 10 for x64-based Systems (KB4480730) (2.55.0.0)
Update for Windows 10 for x64-based Systems (KB5001716) (8.93.0.0)
VLC media player (3.0.11)
WinRAR 5.91 (64-bit) (5.91.0)
Windows PC Health Check (3.6.2204.08001)

Hotfixes

Client LanguagePack Package
DotNetRollup
DotNetRollup 481
FodMetadata Package
Foundation Package
Hello Face Package
InternetExplorer Optional Package
KB5003791
KB5011048
KB5015684
KB5033052
LanguageFeatures Basic en us Package
LanguageFeatures Handwriting en us Package
LanguageFeatures OCR en us Package
LanguageFeatures Speech en us Package
LanguageFeatures TextToSpeech en us Package
MSPaint FoD Package
MediaPlayer Package
Microsoft OneCore ApplicationModel Sync Desktop FOD Package
Microsoft OneCore DirectX Database FOD Package
NetFx3 OnDemand Package
Notepad FoD Package
OpenSSH Client Package
PowerShell ISE FOD Package
Printing PMCPPC FoD Package
Printing WFS FoD Package
ProfessionalEdition
QuickAssist Package
RollupFix
ServicingStack
ServicingStack 3989
StepsRecorder Package
TabletPCMath Package
UserExperience Desktop Package
WordPad FoD Package

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MALICIOUS
- Drops the executable file immediately after the start
  - rundll32.exe (PID: 1228)
SUSPICIOUS
- Process drops legitimate windows executable
  - rundll32.exe (PID: 1228)
- Executes application which crashes
  - rundll32.exe (PID: 1228)
INFO
- Checks proxy server information
  - WerFault.exe (PID: 2260)
- Reads the software policy settings
  - WerFault.exe (PID: 2260)
- Creates files or folders in the user directory
  - WerFault.exe (PID: 2260)
- Manual execution by a user
  - firefox.exe (PID: 5932)
- Application launched itself
  - firefox.exe (PID: 5932)
  - firefox.exe (PID: 5248)
  - firefox.exe (PID: 1768)
  - firefox.exe (PID: 1140)
- Checks supported languages
  - TextInputHost.exe (PID: 1124)
- Reads the computer name
  - TextInputHost.exe (PID: 1124)
- Reads Microsoft Office registry keys
  - firefox.exe (PID: 5248)
  - firefox.exe (PID: 1140)
- Executable content was dropped or overwritten
  - firefox.exe (PID: 1140)
- Drops the executable file immediately after the start
  - firefox.exe (PID: 1140)

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

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No Malware configuration.

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TRiD

.exe	\|	Win32 EXE PECompact compressed (generic) (47.3)
.exe	\|	Win32 Executable MS Visual C++ (generic) (35.5)
.dll	\|	Win32 Dynamic Link Library (generic) (7.4)
.exe	\|	Win32 Executable (generic) (5.1)
.exe	\|	Generic Win/DOS Executable (2.2)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	1999:09:30 01:51:35+00:00
ImageFileCharacteristics:	Executable, No line numbers, No symbols, Large address aware, 32-bit, DLL
PEType:	PE32
LinkerVersion:	6
CodeSize:	204800
InitializedDataSize:	77824
UninitializedDataSize:	-
EntryPoint:	0x1c48
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	6.1.8637.0
ProductVersionNumber:	6.1.8637.0
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Windows NT 32-bit
ObjectFileType:	Dynamic link library
FileSubtype:	-
LanguageCode:	English (U.S.)
CharacterSet:	Unicode
CompanyName:	Microsoft Corporation
FileDescription:	Microsoft (R) C Runtime Library
FileVersion:	6.10.8637.0
InternalName:	MSVCRT.DLL
LegalCopyright:	Copyright (C) Microsoft Corp. 1981-1999
OriginalFileName:	MSVCRT.DLL
ProductName:	Microsoft (R) Visual C++
ProductVersion:	6.10.8637.0

No data.

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All screenshots are available in the full report

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Total processes

172

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

936

"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=7004 -childID 8 -isForBrowser -prefsHandle 6996 -prefMapHandle 6992 -prefsLen 31380 -prefMapSize 244343 -jsInitHandle 1600 -jsInitLen 235124 -parentBuildID 20240213221259 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {8a760276-e7f9-4b7f-8b70-16245f3f8ddf} 5248 "\\.\pipe\gecko-crash-server-pipe.5248" 1afcfa2d310 tab

C:\Program Files\Mozilla Firefox\firefox.exe

—

firefox.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

LOW

Description:

Firefox

Exit code:

Version:

123.0

Modules

Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll

1124

"C:\WINDOWS\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe" -ServerName:InputApp.AppXjd5de1g66v206tj52m9d0dtpppx4cgpn.mca

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Version:

123.26505.0.0

Modules

Images
c:\windows\systemapps\microsoftwindows.client.cbs_cw5n1h2txyewy\textinputhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\systemapps\microsoftwindows.client.cbs_cw5n1h2txyewy\vcruntime140_app.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\msvcrt.dll

1140

"C:\Program Files\Mozilla Firefox\firefox.exe"

C:\Program Files\Mozilla Firefox\firefox.exe

firefox.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

MEDIUM

Description:

Firefox

Version:

123.0

Modules

Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll

1228

"C:\WINDOWS\SysWOW64\rundll32.exe" C:\Users\admin\Desktop\msvcrt.dll, #1

C:\Windows\SysWOW64\rundll32.exe

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows host process (Rundll32)

Exit code:

3221225477

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\aclayers.dll

1572

"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=1936 -parentBuildID 20240213221259 -prefsHandle 1876 -prefMapHandle 1868 -prefsLen 30537 -prefMapSize 244343 -appDir "C:\Program Files\Mozilla Firefox\browser" - {29397a11-3ec1-449e-abae-3af93b690426} 5248 "\\.\pipe\gecko-crash-server-pipe.5248" 1afc6fe3d10 gpu

C:\Program Files\Mozilla Firefox\firefox.exe

—

firefox.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

LOW

Description:

Firefox

Exit code:

Version:

123.0

Modules

Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll

1760

"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5612 -childID 4 -isForBrowser -prefsHandle 5604 -prefMapHandle 5596 -prefsLen 29083 -prefMapSize 240426 -jsInitHandle 1292 -jsInitLen 235124 -parentBuildID 20240213221259 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b7c9f4a6-f187-4765-8915-71ace58d0b3b} 1140 "\\.\pipe\gecko-crash-server-pipe.1140" 19c2da694d0 tab

C:\Program Files\Mozilla Firefox\firefox.exe

—

firefox.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

LOW

Description:

Firefox

Exit code:

Version:

123.0

Modules

Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll

1768

"C:\Program Files\Mozilla Firefox\firefox.exe"

C:\Program Files\Mozilla Firefox\firefox.exe

—

firefox.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

MEDIUM

Description:

Firefox

Exit code:

Version:

123.0

Modules

Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll
c:\windows\system32\vcruntime140_1.dll
c:\windows\system32\crypt32.dll

1796

"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=1744 -parentBuildID 20240213221259 -prefsHandle 1680 -prefMapHandle 1660 -prefsLen 19989 -prefMapSize 240426 -appDir "C:\Program Files\Mozilla Firefox\browser" - {528e2ec2-0c6a-41ee-966c-9d9300a994b0} 1140 "\\.\pipe\gecko-crash-server-pipe.1140" 19c210ce410 gpu

C:\Program Files\Mozilla Firefox\firefox.exe

—

firefox.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

LOW

Description:

Firefox

Version:

123.0

Modules

Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll

1920

"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5756 -childID 5 -isForBrowser -prefsHandle 5636 -prefMapHandle 5624 -prefsLen 29083 -prefMapSize 240426 -jsInitHandle 1292 -jsInitLen 235124 -parentBuildID 20240213221259 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {809eda02-fca8-49bd-b4e1-c15ec487d501} 1140 "\\.\pipe\gecko-crash-server-pipe.1140" 19c2da69850 tab

C:\Program Files\Mozilla Firefox\firefox.exe

—

firefox.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

LOW

Description:

Firefox

Version:

123.0

Modules

Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll

2208

"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2932 -childID 1 -isForBrowser -prefsHandle 2924 -prefMapHandle 2920 -prefsLen 30953 -prefMapSize 244343 -jsInitHandle 1600 -jsInitLen 235124 -parentBuildID 20240213221259 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {5f7f658d-51de-44be-aa14-8d7ad9d4e876} 5248 "\\.\pipe\gecko-crash-server-pipe.5248" 1afcc75b150 tab

C:\Program Files\Mozilla Firefox\firefox.exe

—

firefox.exe

User:

admin

Company:

Mozilla Corporation

Integrity Level:

LOW

Description:

Firefox

Exit code:

Version:

123.0

Modules

Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll

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Total events

41 111

Read events

41 077

Write events

Delete events

Modification events


(PID) Process:	(5932) firefox.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Mozilla\Firefox\Launcher
Operation:	write	Name:	C:\Program Files\Mozilla Firefox\firefox.exe\|Launcher
Value: 1A52307E01000000
(PID) Process:	(5248) firefox.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Mozilla\Firefox\Launcher
Operation:	write	Name:	C:\Program Files\Mozilla Firefox\firefox.exe\|Browser
Value: 6845317E01000000
(PID) Process:	(5248) firefox.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Mozilla\Firefox\PreXULSkeletonUISettings
Operation:	write	Name:	C:\Program Files\Mozilla Firefox\firefox.exe\|Progress
Value: 0
(PID) Process:	(5248) firefox.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Mozilla\Firefox\PreXULSkeletonUISettings
Operation:	write	Name:	C:\Program Files\Mozilla Firefox\firefox.exe\|Progress
Value: 1
(PID) Process:	(5248) firefox.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Mozilla\Firefox\Installer\308046B0AF4A39CB
Operation:	delete value	Name:	installer.taskbarpin.win10.enabled
Value:
(PID) Process:	(5248) firefox.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Mozilla\Firefox\Launcher
Operation:	write	Name:	C:\Program Files\Mozilla Firefox\firefox.exe\|Telemetry
Value: 0
(PID) Process:	(5248) firefox.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Mozilla\Firefox\DllPrefetchExperiment
Operation:	write	Name:	C:\Program Files\Mozilla Firefox\firefox.exe
Value: 0
(PID) Process:	(5248) firefox.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Mozilla\Firefox\PreXULSkeletonUISettings
Operation:	write	Name:	C:\Program Files\Mozilla Firefox\firefox.exe\|Theme
Value: 1
(PID) Process:	(5248) firefox.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Mozilla\Firefox\Default Browser Agent
Operation:	write	Name:	C:\Program Files\Mozilla Firefox\|DisableTelemetry
Value: 1
(PID) Process:	(5248) firefox.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Mozilla\Firefox\Default Browser Agent
Operation:	write	Name:	C:\Program Files\Mozilla Firefox\|DisableDefaultBrowserAgent
Value: 0

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Executable files

Suspicious files

539

Text files

102

Unknown types

Dropped files

PID	Process	Filename		Type
2260	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_38676585b15c2b76ceee135aea5b5bf4a389f1_67c333ae_66e08f9a-4b78-47e2-913d-378ac75bad6d\Report.wer		—
		MD5:—	SHA256:—
2260	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WERC99A.tmp.dmp		binary
		MD5:2CD054927D863786FACCACC9EEA96AB4	SHA256:B4967385B969FA29EEACDC5E32681201993F388087AA98F5E328474E447E555A
2260	WerFault.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE		binary
		MD5:7674BA44C99ABBF7251C37124D9DE64F	SHA256:F51E1858F1056610E62CA98299D30BDCF079B62E51711FABC2B7A7527EDD3A1E
5248	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\sessionCheckpoints.json.tmp		binary
		MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A	SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA
2260	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WERC9F9.tmp.WERInternalMetadata.xml		xml
		MD5:C1DFF70B14DBDF6CC709299C71113B0A	SHA256:98760804EDC2BED0BD799493F7599492CC7CDF337A6700E1CA62587E6099F580
2260	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WERCA19.tmp.xml		xml
		MD5:218A8627971EA61A2BD62DDD8C849035	SHA256:D03FD8031D7ABB97BF0CE42A809A3B0D9E38CEAC20EE00F6D780B740A1C657AB
2260	WerFault.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\21253908F3CB05D51B1C2DA8B681A785		der
		MD5:979F91388D4DF2F2D68497400C9830DD	SHA256:A9F27E26AA818BC97449D30D5707254EDCA571D21D36B4576C7CD9A56FB18BC5
5248	firefox.exe	C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\9kie7cg6.default-release\startupCache\urlCache-current.bin		binary
		MD5:297E88D7CEB26E549254EC875649F4EB	SHA256:8B75D4FB1845BAA06122888D11F6B65E6A36B140C54A72CC13DF390FD7C95702
5248	firefox.exe	C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\storage\permanent\chrome\idb\1451318868ntouromlalnodry--epcr.sqlite-shm		binary
		MD5:B7C14EC6110FA820CA6B65F5AEC85911	SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
2260	WerFault.exe	C:\Users\admin\AppData\Local\CrashDumps\rundll32.exe.1228.dmp		binary
		MD5:F642C675055766C8B0B719DC4749A549	SHA256:F72F60AF62A3EE2D9A85DE8EC6754E3B254F9995D4FCD02617943FBEE989C219

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HTTP(S) requests

TCP/UDP connections

282

DNS requests

250

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
2472	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	unknown	—	—	unknown
4532	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	unknown	—	—	unknown
4656	SearchApp.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	unknown
2260	WerFault.exe	GET	200	88.221.169.152:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	unknown
2260	WerFault.exe	GET	200	2.16.164.106:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	unknown
5248	firefox.exe	POST	200	2.16.241.8:80	http://r10.o.lencr.org/	unknown	—	—	unknown
5248	firefox.exe	POST	200	2.16.241.8:80	http://r11.o.lencr.org/	unknown	—	—	unknown
5248	firefox.exe	POST	200	2.16.241.8:80	http://r3.o.lencr.org/	unknown	—	—	unknown
5248	firefox.exe	POST	200	142.250.185.67:80	http://o.pki.goog/wr2	unknown	—	—	unknown
5248	firefox.exe	POST	200	2.16.241.8:80	http://r11.o.lencr.org/	unknown	—	—	unknown

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
4	System	192.168.100.255:137	—	—	—	whitelisted
2536	svchost.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	unknown
2480	RUXIMICS.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	unknown
4392	MoUsoCoreWorker.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	unknown
2260	WerFault.exe	20.189.173.20:443	watson.events.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	US	unknown
4032	svchost.exe	239.255.255.250:1900	—	—	—	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
2260	WerFault.exe	2.16.164.106:80	crl.microsoft.com	Akamai International B.V.	NL	unknown
2260	WerFault.exe	88.221.169.152:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
4656	SearchApp.exe	2.23.209.177:443	www.bing.com	Akamai International B.V.	GB	unknown

DNS requests

Domain	IP	Reputation
watson.events.data.microsoft.com	20.189.173.20	whitelisted
crl.microsoft.com	2.16.164.106 2.16.164.99 2.16.164.16 2.16.164.122 2.16.164.98 2.16.164.88 2.16.164.96 2.16.164.107 2.16.164.114	whitelisted
www.microsoft.com	88.221.169.152	whitelisted
www.bing.com	2.23.209.177 2.23.209.140 2.23.209.176 2.23.209.133 2.23.209.189 2.23.209.150 2.23.209.149 2.23.209.187 2.23.209.185	whitelisted
ocsp.digicert.com	192.229.221.95	whitelisted
login.live.com	20.190.159.75 20.190.159.73 20.190.159.0 20.190.159.64 20.190.159.4 40.126.31.73 40.126.31.71 40.126.31.69	whitelisted
r.bing.com	2.23.209.176 2.23.209.150 2.23.209.187 2.23.209.149 2.23.209.140 2.23.209.133 2.23.209.177 2.23.209.185 2.23.209.189	whitelisted
go.microsoft.com	184.28.89.167	whitelisted
self.events.data.microsoft.com	52.168.117.175	whitelisted
settings-win.data.microsoft.com	40.127.240.158	whitelisted

Threats

No threats detected

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No debug info

General Info

msvcrt.dll

055B02D711CDEDB8C5997274C4E99CB8

5C816EEB6E4D5F1C11E9F56C992EE7D452E7C0F9

D7CEA69A98579D928E534070F5293E80ED7DF38BAF611B20717EF55AA1344A18

6144:yk54RkH8RKDou3LlG/3Roe0Ro4zJsdF9gjFMgiFjNr7mcl2oZhogKLOmJxZR92l3:R4RtIR3BG/3We0RVJsdFFUzchogKLOmc

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Drops the executable file immediately after the start

SUSPICIOUS

Process drops legitimate windows executable

Executes application which crashes

INFO

Checks proxy server information

Reads the software policy settings

Creates files or folders in the user directory

Manual execution by a user

Application launched itself

Checks supported languages

Reads the computer name

Reads Microsoft Office registry keys

Executable content was dropped or overwritten

Drops the executable file immediately after the start

Malware configuration

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings