Malware Analysis Report

2024-10-19 07:33

Sample ID 240731-qsbttsvhrp
Target 7c9ae8488746834bc5ec11ab54e68d29_JaffaCakes118
SHA256 769af23207f07f92372bb3b2924a6f2f7c8834f1a0c18137941b5ad204329b71
Tags
darkcomet guest16 discovery persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

769af23207f07f92372bb3b2924a6f2f7c8834f1a0c18137941b5ad204329b71

Threat Level: Known bad

The file 7c9ae8488746834bc5ec11ab54e68d29_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

darkcomet guest16 discovery persistence rat trojan

Darkcomet

Loads dropped DLL

Executes dropped EXE

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-31 13:31

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-31 13:30

Reported

2024-07-31 13:33

Platform

win10v2004-20240730-en

Max time kernel

140s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7c9ae8488746834bc5ec11ab54e68d29_JaffaCakes118.exe"

Signatures

Darkcomet

trojan rat darkcomet

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\7c9ae8488746834bc5ec11ab54e68d29_JaffaCakes118.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7c9ae8488746834bc5ec11ab54e68d29_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7c9ae8488746834bc5ec11ab54e68d29_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7c9ae8488746834bc5ec11ab54e68d29_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE

Network

Country Destination Domain Proto
N/A 127.0.0.1:1604 tcp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE

MD5 6a13354dd555e071f442fc95c4880fa2
SHA1 d33174bb58c9916876b54082b7d858a0bd71fedf
SHA256 b0068e1853bd861f3907ab5c93978eebb699a95ae14f352337de12b8f537fe22
SHA512 9c3ecb28d028eedf29582e10cd74e25c968c492857044124749ccd917c29820d3641b4f77f9836e6cbd3844909c457e35ee21b949eb52cde0c6a05bf07e4fc45

memory/3168-5-0x0000000000400000-0x00000000004B5000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-31 13:30

Reported

2024-07-31 13:33

Platform

win7-20240705-en

Max time kernel

150s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7c9ae8488746834bc5ec11ab54e68d29_JaffaCakes118.exe"

Signatures

Darkcomet

trojan rat darkcomet

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\7c9ae8488746834bc5ec11ab54e68d29_JaffaCakes118.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7c9ae8488746834bc5ec11ab54e68d29_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7c9ae8488746834bc5ec11ab54e68d29_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7c9ae8488746834bc5ec11ab54e68d29_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE

Network

Country Destination Domain Proto
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp

Files

\Users\Admin\AppData\Local\Temp\IXP000.TMP\JEXE~1.EXE

MD5 6a13354dd555e071f442fc95c4880fa2
SHA1 d33174bb58c9916876b54082b7d858a0bd71fedf
SHA256 b0068e1853bd861f3907ab5c93978eebb699a95ae14f352337de12b8f537fe22
SHA512 9c3ecb28d028eedf29582e10cd74e25c968c492857044124749ccd917c29820d3641b4f77f9836e6cbd3844909c457e35ee21b949eb52cde0c6a05bf07e4fc45

memory/2696-11-0x0000000000400000-0x00000000004B5000-memory.dmp

memory/2696-12-0x0000000000400000-0x00000000004B5000-memory.dmp