Malware analysis C:\ProgramData\Windows\csrss.exe Malicious activity

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File name:	C:\ProgramData\Windows\csrss.exe
Full analysis:	https://app.any.run/tasks/38bea059-b202-4650-8d27-9c8ed113d856
Verdict:	Malicious activity
Threats:	Ransomware is a type of malicious software that locks users out of their system or data using different methods to force them to pay a ransom. Most often, such programs encrypt files on an infected machine and demand a fee to be paid in exchange for the decryption key. Additionally, such programs can be used to steal sensitive information from the compromised computer and even conduct DDoS attacks against affected organizations to pressure them into paying. Trojans are a group of malicious programs distinguished by their ability to masquerade as benign software. Depending on their type, trojans possess a variety of capabilities, ranging from maintaining full remote control over the victim’s machine to stealing data and files, as well as dropping other malware. At the same time, the main functionality of each trojan family can differ significantly depending on its type. The most common trojan infection chain starts with a phishing email. Troldesh is ransomware — a malware that demands a payment in order to unlock encrypted files. It is also can search and steal information from the banking programs if such are found on the infected machine. Malware Trends Tracker >>>
Analysis date:	March 19, 2019, 12:01:38
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	ransomware troldesh shade evasion trojan
Indicators:
MIME:	application/x-dosexec
File info:	PE32 executable (GUI) Intel 80386, for MS Windows
MD5:	B82B82BEB62AC4EB418482D9BCB517C2
SHA1:	3FCBF6EE4A4C917F985ACC78A7B1C05374992E20
SHA256:	90333748EE4E4C42BBC72B4317AFAF62CA23FF018B356FB0B92CAC1648B1144D
SSDEEP:	24576:6Dbt4YcxdNDjJQqRTE0cZLx4bcWS5PcQV3D14EAKXtRutF3dF7D:61yDNXS2T+4c9cQVxnXtIr3T

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:: off
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 8.0.7601.17514 undefined
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

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MALICIOUS
- Changes the autorun value in the registry
  - csrss.exe (PID: 3532)
- TROLDESH was detected
  - csrss.exe (PID: 3532)
- Deletes shadow copies
  - csrss.exe (PID: 3532)
- Runs app for hidden code execution
  - csrss.exe (PID: 3532)
- Dropped file may contain instructions of ransomware
  - csrss.exe (PID: 3532)
- Actions looks like stealing of personal data
  - csrss.exe (PID: 3532)
- Modifies files in Chrome extension folder
  - csrss.exe (PID: 3532)
SUSPICIOUS
- Executable content was dropped or overwritten
  - csrss.exe (PID: 3532)
- Connects to unusual port
  - csrss.exe (PID: 3532)
- Checks for external IP
  - csrss.exe (PID: 3532)
- Creates files in the program directory
  - csrss.exe (PID: 3532)
- Creates files like Ransomware instruction
  - csrss.exe (PID: 3532)
- Creates files in the user directory
  - csrss.exe (PID: 3532)
- Starts CMD.EXE for commands execution
  - csrss.exe (PID: 3532)
- Starts application with an unusual extension
  - cmd.exe (PID: 3712)
INFO
- Dropped object may contain URL to Tor Browser
  - csrss.exe (PID: 3532)
- Dropped object may contain Bitcoin addresses
  - csrss.exe (PID: 3532)
- Dropped object may contain TOR URL's
  - csrss.exe (PID: 3532)

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	\|	Win64 Executable (generic) (64.6)
.dll	\|	Win32 Dynamic Link Library (generic) (15.4)
.exe	\|	Win32 Executable (generic) (10.5)
.exe	\|	Generic Win/DOS Executable (4.6)
.exe	\|	DOS Executable Generic (4.6)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2019:03:19 00:10:42+01:00
PEType:	PE32
LinkerVersion:	9
CodeSize:	1123328
InitializedDataSize:	42496
UninitializedDataSize:	-
EntryPoint:	0x1f20
OSVersion:	5
ImageVersion:	-
SubsystemVersion:	5
Subsystem:	Windows GUI
FileVersionNumber:	7.0.40.20
ProductVersionNumber:	7.0.40.20
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
CompanyName:	Oracle Corporation
FileDescription:	Java(TM) Platform SE binary
FileVersion:	7.0.40.20
FullVersion:	1.7.0_04-b20
InternalName:	kinit
LegalCopyright:	Copyright © 2012
OriginalFileName:	kinit.exe
ProductName:	Java(TM) Platform SE 7 U4
ProductVersion:	7.0.40.20

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	18-Mar-2019 23:10:42
Detected languages:	English - United States
CompanyName:	Oracle Corporation
FileDescription:	Java(TM) Platform SE binary
FileVersion:	7.0.40.20
Full Version:	1.7.0_04-b20
InternalName:	kinit
LegalCopyright:	Copyright © 2012
OriginalFilename:	kinit.exe
ProductName:	Java(TM) Platform SE 7 U4
ProductVersion:	7.0.40.20

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:	0x000000D0

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_I386
Number of sections:	4
Time date stamp:	18-Mar-2019 23:10:42
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_RELOCS_STRIPPED

Sections

Name	Virtual Address	Virtual Size	Raw Size	Charateristics	Entropy
.text	0x00001000	0x001122B1	0x00112400	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	6.97007
.rdata	0x00114000	0x000094A0	0x00009600	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	3.36523
.data	0x0011E000	0x0000058C	0x00000600	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	3.66374
.rsrc	0x0011F000	0x000E8948	0x00000A00	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	4.74115

Resources

Title	Entropy	Size	Codepage	Language	Type
1	3.43701	816	UNKNOWN	UNKNOWN	RT_VERSION

Imports


ADVAPI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll

No data.

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All screenshots are available in the full report

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Total processes

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2132

chcp

C:\Windows\system32\chcp.com

—

cmd.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Change CodePage Utility

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\chcp.com
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ulib.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\usp10.dll

2408

"C:\Windows\system32\taskmgr.exe" /4

C:\Windows\system32\taskmgr.exe

—

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Task Manager

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\taskmgr.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

2420

"C:\Windows\explorer.exe"

C:\Windows\explorer.exe

—

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Explorer

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\explorer.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\gdi32.dll
c:\windows\system32\user32.dll

2456

"C:\Windows\system32\vssadmin.exe" Delete Shadows /All /Quiet

C:\Windows\system32\vssadmin.exe

csrss.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Command Line Interface for Microsoft® Volume Shadow Copy Service

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\vssadmin.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\atl.dll
c:\windows\system32\user32.dll

3096

C:\Windows\system32\vssadmin.exe List Shadows

C:\Windows\system32\vssadmin.exe

—

csrss.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Command Line Interface for Microsoft® Volume Shadow Copy Service

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\vssadmin.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\atl.dll
c:\windows\system32\user32.dll

3400

C:\Windows\system32\vssvc.exe

—

services.exe

User:

SYSTEM

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Microsoft® Volume Shadow Copy Service

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\vssvc.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

3532

"C:\Users\admin\AppData\Local\Temp\csrss.exe"

C:\Users\admin\AppData\Local\Temp\csrss.exe

explorer.exe

User:

admin

Company:

Oracle Corporation

Integrity Level:

MEDIUM

Description:

Java(TM) Platform SE binary

Exit code:

Version:

7.0.40.20

Modules

Images
c:\users\admin\appdata\local\temp\csrss.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\advapi32.dll

3712

C:\Windows\system32\cmd.exe

—

csrss.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Command Processor

Exit code:

Version:

6.1.7601.17514 (win7sp1_rtm.101119-1850)

Modules

Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll

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Total events

150

Read events

126

Write events

Delete events

Modification events


(PID) Process:	(3532) csrss.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\System32\Configuration
Operation:	write	Name:	xi
Value: 906D0F2E2F604F839E04
(PID) Process:	(3532) csrss.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:	write	Name:	Client Server Runtime Subsystem
Value: "C:\ProgramData\Windows\csrss.exe"
(PID) Process:	(3532) csrss.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\System32\Configuration
Operation:	write	Name:	xVersion
Value: 4.0.0.1
(PID) Process:	(2408) taskmgr.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\TaskManager
Operation:	write	Name:	UsrColumnSettings
Value: 1C0C0000340400000000000050000000010000001D0C0000350400000000000023000000010000001E0C000036040000000000003C000000010000001F0C000039040000000000004E00000001000000200C000037040000000000004E00000001000000
(PID) Process:	(2408) taskmgr.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\TaskManager
Operation:	write	Name:	Preferences
Value: 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
(PID) Process:	(3532) csrss.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\System32\Configuration
Operation:	write	Name:	xmail
Value: 1
(PID) Process:	(3532) csrss.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\System32\Configuration
Operation:	write	Name:	xmode
Value: 0
(PID) Process:	(3532) csrss.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\System32\Configuration
Operation:	write	Name:	xpk
Value: -----BEGIN PUBLIC KEY----- MIIBojANBgkqhkiG9w0BAQEFAAOCAY8AMIIBigKCAYEA8mn4F2LJ2xbiQ2U0nRya c1tR+wN6CcLUa3lCLO+4Hj4gGGvPGugPV/9l2cAkeQZahnqlgKG51eaFO1UYdmPs zyNfi9qlgFndoFL8XsxFHJ4C9BqqlIpD15pglgrubqX0lZGlI27dXh4bu3fA9zrI ULugLryqMmIId6MDIY2WalR+7Vpq8ATM6VN1/+CKBDEcdHeWsNScgxtKOVa20E60 qOWxzdUoCeMHgMr+Q8kzPQzreyejLbBZL9cXTxstXJVsA64ge/G71oZlLU7j2Ujp EHkXR4G0I5QBEQu62K0R+cz3FqxP6CN6Pm1MJb8XHkU54FYsVsLsk5nasUMUZ9Uq 5ikgVEO65k7bgwi9nGZsyDlWDOwbGuSRreLAVKeCDiO2jfSBOTH16gIyT9rE7UDj 6SRe2guJhe2sqwXpwgmTJsWffQmzg5vQwWrL4UXUASCWvtODBBTq8jGom9T5Aet/ gsLcsM1ozqI961wp6RZPO1WluzsxvpDT4bCJmc5D6dp/AgMBAAE= -----END PUBLIC KEY-----
(PID) Process:	(3532) csrss.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\System32\Configuration
Operation:	write	Name:	xstate
Value: 3
(PID) Process:	(3532) csrss.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\System32\Configuration
Operation:	write	Name:	xcnt
Value: 0

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Executable files

Suspicious files

1 096

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3532	csrss.exe	C:\Users\admin\AppData\Local\Temp\6893A5D897\state.tmp		—
		MD5:—	SHA256:—
3532	csrss.exe	C:\Users\admin\AppData\Local\Temp\6893A5D897\unverified-microdesc-consensus.tmp		—
		MD5:—	SHA256:—
3532	csrss.exe	C:\Users\admin\AppData\Local\Temp\6893A5D897\cached-certs.tmp		—
		MD5:—	SHA256:—
3532	csrss.exe	C:\Users\admin\AppData\Local\Temp\6893A5D897\cached-microdesc-consensus.tmp		—
		MD5:—	SHA256:—
3532	csrss.exe	C:\Users\Public\Videos\Sample Videos\Wildlife.wmv		—
		MD5:—	SHA256:—
3532	csrss.exe	C:\Users\Public\Videos\Sample Videos\MDiMr-UzwwMDpl02YT7SP2h0dIl7wNtJVu2stJUcpMA=.906D0F2E2F604F839E04.crypted000007		—
		MD5:—	SHA256:—
3532	csrss.exe	C:\Users\Public\Pictures\Sample Pictures\Tulips.jpg		—
		MD5:—	SHA256:—
3532	csrss.exe	C:\Users\Public\Pictures\Sample Pictures\Penguins.jpg		—
		MD5:—	SHA256:—
3532	csrss.exe	C:\Users\Public\Pictures\Sample Pictures\Lighthouse.jpg		—
		MD5:—	SHA256:—
3532	csrss.exe	C:\Users\Public\Pictures\Sample Pictures\Koala.jpg		—
		MD5:—	SHA256:—

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

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
3532	csrss.exe	GET	403	104.16.155.36:80	http://whatismyipaddress.com/	US	text	100 b	shared
3532	csrss.exe	GET	403	104.16.155.36:80	http://whatismyipaddress.com/	US	text	100 b	shared
3532	csrss.exe	GET	403	104.16.155.36:80	http://whatismyipaddress.com/	US	text	100 b	shared
3532	csrss.exe	GET	403	104.16.155.36:80	http://whatismyipaddress.com/	US	text	100 b	shared
3532	csrss.exe	GET	403	104.16.155.36:80	http://whatismyipaddress.com/	US	text	100 b	shared
3532	csrss.exe	GET	403	104.16.155.36:80	http://whatismyipaddress.com/	US	text	100 b	shared
3532	csrss.exe	GET	403	104.16.155.36:80	http://whatismyipaddress.com/	US	text	100 b	shared
3532	csrss.exe	GET	403	104.16.155.36:80	http://whatismyipaddress.com/	US	text	100 b	shared
3532	csrss.exe	GET	403	104.16.155.36:80	http://whatismyipaddress.com/	US	text	100 b	shared
3532	csrss.exe	GET	200	104.18.35.131:80	http://whatsmyip.net/	US	html	7.35 Kb	shared

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
3532	csrss.exe	76.73.17.194:9090	—	Cogent Communications	US	malicious
3532	csrss.exe	128.31.0.39:9101	—	Massachusetts Institute of Technology	US	malicious
3532	csrss.exe	188.118.153.20:9001	—	EWE-Tel GmbH	DE	suspicious
3532	csrss.exe	104.16.155.36:80	whatismyipaddress.com	Cloudflare Inc	US	shared
3532	csrss.exe	104.18.35.131:80	whatsmyip.net	Cloudflare Inc	US	shared
3532	csrss.exe	171.25.193.9:80	—	Foreningen for digitala fri- och rattigheter	SE	malicious
3532	csrss.exe	163.172.53.201:443	—	Online S.a.s.	FR	malicious
3532	csrss.exe	85.25.213.211:80	—	Host Europe GmbH	DE	suspicious
3532	csrss.exe	208.83.223.34:80	—	Applied Operations, LLC	US	malicious

DNS requests

Domain	IP	Reputation
whatismyipaddress.com	104.16.155.36 104.16.154.36	shared
whatsmyip.net	104.18.35.131 104.18.34.131	shared

Threats

PID	Process	Class	Message
—	—	Misc activity	ET POLICY TLS possible TOR SSL traffic
—	—	Potential Corporate Privacy Violation	POLICY [PTsecurity] TOR SSL connection
—	—	Misc Attack	ET TOR Known Tor Relay/Router (Not Exit) Node Traffic group 184
—	—	Misc activity	ET POLICY TLS possible TOR SSL traffic
—	—	Potential Corporate Privacy Violation	POLICY [PTsecurity] TOR SSL connection
—	—	Misc Attack	ET TOR Known Tor Relay/Router (Not Exit) Node Traffic group 649
—	—	Misc Attack	ET TOR Known Tor Relay/Router (Not Exit) Node Traffic group 178
—	—	Misc activity	ET POLICY TLS possible TOR SSL traffic
—	—	Misc activity	ET POLICY TLS possible TOR SSL traffic
—	—	Potential Corporate Privacy Violation	POLICY [PTsecurity] TOR SSL connection

23 ETPRO signatures available at the full report

Add for printing

No debug info

General Info

C:\ProgramData\Windows\csrss.exe

B82B82BEB62AC4EB418482D9BCB517C2

3FCBF6EE4A4C917F985ACC78A7B1C05374992E20

90333748EE4E4C42BBC72B4317AFAF62CA23FF018B356FB0B92CAC1648B1144D

24576:6Dbt4YcxdNDjJQqRTE0cZLx4bcWS5PcQV3D14EAKXtRutF3dF7D:61yDNXS2T+4c9cQVxnXtIr3T

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Changes the autorun value in the registry

TROLDESH was detected

Deletes shadow copies

Runs app for hidden code execution

Dropped file may contain instructions of ransomware

Actions looks like stealing of personal data

Modifies files in Chrome extension folder

SUSPICIOUS

Executable content was dropped or overwritten

Connects to unusual port

Checks for external IP

Creates files in the program directory

Creates files like Ransomware instruction

Creates files in the user directory

Starts CMD.EXE for commands execution

Starts application with an unusual extension

INFO

Dropped object may contain URL to Tor Browser

Dropped object may contain Bitcoin addresses

Dropped object may contain TOR URL's

Malware configuration

Static information

TRiD

EXIF

EXE

Summary

DOS Header

PE Headers

Sections

Resources

Imports

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

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings