General Info

File name

79fd3041ab85e378839d2e3cf155fc91a2d541304d209f5d1d57ac7d791190ec.dll

Full analysis
https://app.any.run/tasks/a8d95e90-c87f-41c9-9f1f-b7506e59b627
Verdict
Malicious activity
Analysis date
12/6/2018, 04:46:36
OS:
Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:

MIME:
application/x-dosexec
File info:
PE32 executable (console) Intel 80386, for MS Windows
MD5

e2347a65b30ccc5b2c4230daaeefb897

SHA1

64c7047898371e81bfc58b8fda6da7892a92108d

SHA256

79fd3041ab85e378839d2e3cf155fc91a2d541304d209f5d1d57ac7d791190ec

SSDEEP

96:q7GUxNkO6GR0t9GKKr1Zd8NHYVVHp4dEeY3kRnHdMqqyVgNo3e:0XhHR0aTQN4gRHdMqJVgNv

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

Software environment set and analysis options

Launch configuration

Task duration
60 seconds
Additional time used
none
Fakenet option
off
Heavy Evaision option
off
MITM proxy
off
Route via Tor
off
Network geolocation
off
Privacy
Public submission
Autoconfirmation of UAC
on

Software preset

  • Internet Explorer 8.0.7601.17514
  • Adobe Acrobat Reader DC MUI (15.023.20070)
  • Adobe Flash Player 26 ActiveX (26.0.0.131)
  • Adobe Flash Player 26 NPAPI (26.0.0.131)
  • Adobe Flash Player 26 PPAPI (26.0.0.131)
  • Adobe Refresh Manager (1.8.0)
  • CCleaner (5.35)
  • FileZilla Client 3.36.0 (3.36.0)
  • Google Chrome (68.0.3440.106)
  • Google Update Helper (1.3.33.17)
  • Java 8 Update 92 (8.0.920.14)
  • Java Auto Updater (2.8.92.14)
  • Microsoft .NET Framework 4.6.1 (4.6.01055)
  • Microsoft Office Access MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Access Setup Metadata MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Excel MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office OneNote MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Outlook MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office PowerPoint MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Professional 2010 (14.0.6029.1000)
  • Microsoft Office Proof (English) 2010 (14.0.6029.1000)
  • Microsoft Office Proof (French) 2010 (14.0.6029.1000)
  • Microsoft Office Proof (Spanish) 2010 (14.0.6029.1000)
  • Microsoft Office Proofing (English) 2010 (14.0.6029.1000)
  • Microsoft Office Publisher MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Shared MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Shared Setup Metadata MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Single Image 2010 (14.0.6029.1000)
  • Microsoft Office Word MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.6161 (9.0.30729.6161)
  • Microsoft Visual C++ 2010 x86 Redistributable - 10.0.40219 (10.0.40219)
  • Microsoft Visual C++ 2013 Redistributable (x86) - 12.0.30501 (12.0.30501.0)
  • Microsoft Visual C++ 2013 x86 Additional Runtime - 12.0.21005 (12.0.21005)
  • Microsoft Visual C++ 2013 x86 Minimum Runtime - 12.0.21005 (12.0.21005)
  • Microsoft Visual C++ 2017 Redistributable (x86) - 14.15.26706 (14.15.26706.0)
  • Microsoft Visual C++ 2017 x86 Additional Runtime - 14.15.26706 (14.15.26706)
  • Microsoft Visual C++ 2017 x86 Minimum Runtime - 14.15.26706 (14.15.26706)
  • Mozilla Firefox 61.0.2 (x86 en-US) (61.0.2)
  • Notepad++ (32-bit x86) (7.5.1)
  • Opera 12.15 (12.15.1748)
  • Skype version 8.29 (8.29)
  • VLC media player (2.2.6)
  • WinRAR 5.60 (32-bit) (5.60.0)

Hotfixes

  • Client LanguagePack Package
  • Client Refresh LanguagePack Package
  • CodecPack Basic Package
  • Foundation Package
  • IE Troubleshooters Package
  • InternetExplorer Optional Package
  • KB2534111
  • KB2999226
  • KB976902
  • LocalPack AU Package
  • LocalPack CA Package
  • LocalPack GB Package
  • LocalPack US Package
  • LocalPack ZA Package
  • ProfessionalEdition
  • UltimateEdition

Behavior activities

MALICIOUS SUSPICIOUS INFO
Loads dropped or rewritten executable
  • WerFault.exe (PID: 3832)

No suspicious indicators.

Application was crashed
  • rundll32.exe (PID: 2824)
Loads main object executable
  • rundll32.exe (PID: 2824)

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

Static information

TRiD
.dll
|   Win32 Dynamic Link Library (generic) (43.5%)
.exe
|   Win32 Executable (generic) (29.8%)
.exe
|   Generic Win/DOS Executable (13.2%)
.exe
|   DOS Executable Generic (13.2%)
EXIF
EXE
MachineType:
Intel 386 or later, and compatibles
TimeStamp:
2018:01:30 04:57:00+01:00
PEType:
PE32
LinkerVersion:
6
CodeSize:
3072
InitializedDataSize:
3584
UninitializedDataSize:
null
EntryPoint:
0x18ca
OSVersion:
4
ImageVersion:
null
SubsystemVersion:
4
Subsystem:
Windows command line
Summary
Architecture:
IMAGE_FILE_MACHINE_I386
Subsystem:
IMAGE_SUBSYSTEM_WINDOWS_CUI
Compilation Date:
30-Jan-2018 03:57:00
DOS Header
Magic number:
MZ
Bytes on last page of file:
0x0090
Pages in file:
0x0003
Relocations:
0x0000
Size of header:
0x0004
Min extra paragraphs:
0x0000
Max extra paragraphs:
0xFFFF
Initial SS value:
0x0000
Initial SP value:
0x00B8
Checksum:
0x0000
Initial IP value:
0x0000
Initial CS value:
0x0000
Overlay number:
0x0000
OEM identifier:
0x0000
OEM information:
0x0000
Address of NE header:
0x000000C0
PE Headers
Signature:
PE
Machine:
IMAGE_FILE_MACHINE_I386
Number of sections:
4
Time date stamp:
30-Jan-2018 03:57:00
Pointer to Symbol Table:
0x00000000
Number of symbols:
0
Size of Optional Header:
0x00E0
Characteristics
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
Sections
Name Virtual Address Virtual Size Raw Size Charateristics Entropy
.text 0x00001000 0x00000A2E 0x00000C00 IMAGE_SCN_CNT_CODE,IMAGE_SCN_MEM_EXECUTE,IMAGE_SCN_MEM_READ 5.71688
.rdata 0x00002000 0x0000052C 0x00000600 IMAGE_SCN_CNT_INITIALIZED_DATA,IMAGE_SCN_MEM_READ 4.50437
.data 0x00003000 0x00000494 0x00000200 IMAGE_SCN_CNT_INITIALIZED_DATA,IMAGE_SCN_MEM_READ,IMAGE_SCN_MEM_WRITE 1.395
.reloc 0x00004000 0x000001CA 0x00000200 IMAGE_SCN_CNT_INITIALIZED_DATA,IMAGE_SCN_MEM_DISCARDABLE,IMAGE_SCN_MEM_READ 4.0649
Resources

No resources.

Imports
    KERNEL32.dll

    USER32.dll

    ADVAPI32.dll

Exports
    Exec

    ExecToLog

    ExecToStack

Screenshots

Processes

Total processes
31
Monitored processes
2
Malicious processes
1
Suspicious processes
0

Behavior graph

+
start rundll32.exe werfault.exe
Specs description
Program did not start
Integrity level elevation
Task сontains an error or was rebooted
Process has crashed
Task contains several apps running
Executable file was dropped
Debug information is available
Process was injected
Network attacks were detected
Application downloaded the executable file
Actions similar to stealing personal data
Behavior similar to exploiting the vulnerability
Inspected object has sucpicious PE structure
File is detected by antivirus software
CPU overrun
RAM overrun
Process starts the services
Process was added to the startup
Behavior similar to spam
Low-level access to the HDD
Probably Tor was used
System was rebooted
Connects to the network
Known threat

Process information

Click at the process to see the details.

PID
2824
CMD
"C:\Windows\System32\rundll32.exe" "C:\Users\admin\AppData\Local\Temp\79fd3041ab85e378839d2e3cf155fc91a2d541304d209f5d1d57ac7d791190ec.dll", #1
Path
C:\Windows\System32\rundll32.exe
Indicators
Parent process
––
User
admin
Integrity Level
MEDIUM
Exit code
3221225477
Version:
Company
Microsoft Corporation
Description
Windows host process (Rundll32)
Version
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Image
c:\windows\system32\rundll32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\aclayers.dll
c:\windows\system32\sspicli.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\ole32.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\userenv.dll
c:\windows\system32\profapi.dll
c:\windows\system32\winspool.drv
c:\windows\system32\mpr.dll
c:\windows\system32\imm32.dll
c:\windows\system32\msctf.dll
c:\users\admin\appdata\local\temp\79fd3041ab85e378839d2e3cf155fc91a2d541304d209f5d1d57ac7d791190ec.dll

PID
3832
CMD
C:\Windows\system32\WerFault.exe -u -p 2824 -s 168
Path
C:\Windows\system32\WerFault.exe
Indicators
Parent process
––
User
admin
Integrity Level
MEDIUM
Exit code
0
Version:
Company
Microsoft Corporation
Description
Windows Problem Reporting
Version
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Image
c:\windows\system32\werfault.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\ole32.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\imm32.dll
c:\windows\system32\msctf.dll
c:\windows\system32\wer.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\faultrep.dll
c:\windows\system32\psapi.dll
c:\windows\system32\version.dll
c:\windows\system32\rundll32.exe
c:\windows\system32\shell32.dll
c:\users\admin\appdata\local\temp\79fd3041ab85e378839d2e3cf155fc91a2d541304d209f5d1d57ac7d791190ec.dll
c:\windows\system32\dbgeng.dll
c:\windows\system32\dbghelp.dll
c:\windows\system32\sensapi.dll
c:\windows\system32\werui.dll
c:\windows\system32\cryptbase.dll
c:\windows\system32\dui70.dll
c:\windows\system32\duser.dll
c:\windows\system32\riched20.dll
c:\windows\system32\uxtheme.dll
c:\windows\system32\dwmapi.dll
c:\windows\system32\xmllite.dll
c:\windows\system32\winhttp.dll
c:\windows\system32\webio.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\nsi.dll
c:\windows\system32\sspicli.dll
c:\windows\system32\cryptsp.dll
c:\windows\system32\credssp.dll
c:\windows\system32\mswsock.dll
c:\windows\system32\wshqos.dll
c:\windows\system32\wshtcpip.dll
c:\windows\system32\wship6.dll
c:\windows\system32\iphlpapi.dll
c:\windows\system32\winnsi.dll
c:\windows\system32\dhcpcsvc6.dll
c:\windows\system32\dhcpcsvc.dll
c:\windows\system32\dnsapi.dll
c:\windows\system32\rasadhlp.dll
c:\windows\system32\fwpuclnt.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\rsaenh.dll
c:\windows\system32\profapi.dll
c:\windows\system32\powrprof.dll
c:\windows\system32\setupapi.dll
c:\windows\system32\cfgmgr32.dll
c:\windows\system32\devobj.dll
c:\windows\system32\imagehlp.dll
c:\windows\apppatch\aclayers.dll
c:\windows\system32\userenv.dll
c:\windows\system32\winspool.drv
c:\windows\system32\mpr.dll
c:\windows\system32\verifier.dll

Registry activity

Total events
30
Read events
30
Write events
0
Delete events
0

Modification events

No registry activity.

Files activity

Executable files
0
Suspicious files
1
Text files
3
Unknown types
3

Dropped files

PID
Process
Filename
Type
3832
WerFault.exe
C:\Users\admin\AppData\Local\CrashDumps\rundll32.exe.2824.dmp
dmp
MD5: d740a3243a25f496bd83e8dc539329e6
SHA256: 5097b930afaf3dd7b4da77c5682beff4ba6af5cd09607212c809b97c338c0be3
3832
WerFault.exe
C:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\AppCrash_rundll32.exe_79f_14e9c54aa7a48e70581a63cee417ac7bc16755c_cab_0ee254e7\Report.wer
binary
MD5: 250b6f849cfce6d396c0724c23ebb219
SHA256: c38411a03cef901e602faded27574b1c864c6703cfc3ed0196507c21b1a41f6a
3832
WerFault.exe
C:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\AppCrash_rundll32.exe_79f_14e9c54aa7a48e70581a63cee417ac7bc16755c_cab_0ee254e7\WERD603.tmp.WERInternalMetadata.xml
xml
MD5: 778bd1a792d67fdf5df7aae54e476ab8
SHA256: 354b05525fb73c74b3b20b1a54e29defc669fbd4ced8e1218d4564849bb76c06
3832
WerFault.exe
C:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\AppCrash_rundll32.exe_79f_14e9c54aa7a48e70581a63cee417ac7bc16755c_cab_0ee254e7\WER53B1.tmp.hdmp
dmp
MD5: a861d35121df920954253c91690b51b7
SHA256: 2ee68eff25955bd7604c3e0c108b4f809441ea84c4a349f559425fbfef0c524c
3832
WerFault.exe
C:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\AppCrash_rundll32.exe_79f_14e9c54aa7a48e70581a63cee417ac7bc16755c_cab_0ee254e7\WER546D.tmp.mdmp
dmp
MD5: 6fcd590d25416dd6c3486a16bb2354e7
SHA256: c9439589e80668a821850fc79d871929e69b8367c017a1c190ca4e3f9f113c8b
3832
WerFault.exe
C:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\AppCrash_rundll32.exe_79f_14e9c54aa7a48e70581a63cee417ac7bc16755c_cab_0ee254e7\WER5333.tmp.appcompat.txt
xml
MD5: 34c8446301e2509d48cd9ff78f223e63
SHA256: 6a48cf463be3d75f0f71639efb3cf93418b74d7f7f58d049c244d20e838379c2
3832
WerFault.exe
C:\Users\admin\AppData\Local\Temp\WER546D.tmp.mdmp
––
MD5:  ––
SHA256:  ––
3832
WerFault.exe
C:\Users\admin\AppData\Local\Temp\WER53B1.tmp.hdmp
––
MD5:  ––
SHA256:  ––
3832
WerFault.exe
C:\Users\admin\AppData\Local\Temp\WER5333.tmp.appcompat.txt
––
MD5:  ––
SHA256:  ––
3832
WerFault.exe
C:\Users\admin\AppData\Local\Temp\WERD603.tmp.WERInternalMetadata.xml
xml
MD5: 778bd1a792d67fdf5df7aae54e476ab8
SHA256: 354b05525fb73c74b3b20b1a54e29defc669fbd4ced8e1218d4564849bb76c06

Find more information of the staic content and download it at the full report

Network activity

HTTP(S) requests
1
TCP/UDP connections
1
DNS requests
1
Threats
1

HTTP requests

PID Process Method HTTP Code IP URL CN Type Size Reputation
3832 WerFault.exe GET –– 40.67.186.102:80 http://watson.microsoft.com/StageOne/Generic/BEX/rundll32_exe_79fd3041ab85e378839d2e3cf155fc91a2d541304d209f5d1d5/6_1_7600_16385/4a5bc637/StackHash_0a9e/0_0_0_0/00000000/000021ee/c0000005/00000008.htm?LCID=1033&OS=6.1.7601.2.00010100.1.0.48.17514&SM=DELL&SPN=DELL&BV=DELL&MID=3ADE2C42-4AB9-49B7-B142-BE9AEEA69063 US
––
––
whitelisted

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID Process IP ASN CN Reputation
3832 WerFault.exe 40.67.186.102:80 Microsoft Corporation US whitelisted

DNS requests

Domain IP Reputation
watson.microsoft.com 40.67.186.102
whitelisted

Threats

PID Process Class Message
3832 WerFault.exe Potential Corporate Privacy Violation ET POLICY Application Crash Report Sent to Microsoft

Debug output strings

No debug info.