Malware Analysis Report

2024-10-19 08:44

Sample ID 240730-v78vbsvdpa
Target 796ca252d22e3e023afeb6c425bc0453_JaffaCakes118
SHA256 58087ed79e27b0405194c88b3609bbe86661e96e47a29cb404b1677bc7d1b064
Tags
stealer revengerat darkcomet jdb discovery rat trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

58087ed79e27b0405194c88b3609bbe86661e96e47a29cb404b1677bc7d1b064

Threat Level: Known bad

The file 796ca252d22e3e023afeb6c425bc0453_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

stealer revengerat darkcomet jdb discovery rat trojan upx

Revengerat family

Darkcomet

RevengeRat Executable

Uses the VBS compiler for execution

UPX packed file

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-30 17:38

Signatures

RevengeRat Executable

stealer
Description Indicator Process Target
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Revengerat family

revengerat

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-07-30 17:38

Reported

2024-07-30 17:42

Platform

win7-20240708-en

Max time kernel

150s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe"

Signatures

Darkcomet

trojan rat darkcomet

UPX packed file

upx
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Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1664 set thread context of 1972 N/A C:\Users\Admin\AppData\Local\Temp\796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

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\796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeImpersonatePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 34 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 35 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 runescaperz.no-ip.biz udp

Files

memory/1664-0-0x0000000074E01000-0x0000000074E02000-memory.dmp

memory/1664-2-0x0000000074E00000-0x00000000753AB000-memory.dmp

memory/1664-1-0x0000000074E00000-0x00000000753AB000-memory.dmp

memory/1972-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1972-3-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-6-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-9-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-11-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-10-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-5-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-12-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1664-13-0x0000000074E00000-0x00000000753AB000-memory.dmp

memory/1972-16-0x0000000000280000-0x0000000000281000-memory.dmp

memory/1972-15-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-14-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-18-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-17-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-19-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-20-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-21-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-22-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-23-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-24-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-25-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-26-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-27-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-28-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-29-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-30-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-31-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-32-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-33-0x0000000000400000-0x00000000004BA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-30 17:38

Reported

2024-07-30 17:42

Platform

win10v2004-20240730-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe"

Signatures

Darkcomet

trojan rat darkcomet

UPX packed file

upx
Description Indicator Process Target
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Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3160 set thread context of 744 N/A C:\Users\Admin\AppData\Local\Temp\796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

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\796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeImpersonatePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 34 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 35 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 36 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp
US 8.8.8.8:53 runescaperz.no-ip.biz udp

Files

memory/3160-0-0x0000000075462000-0x0000000075463000-memory.dmp

memory/3160-1-0x0000000075460000-0x0000000075A11000-memory.dmp

memory/3160-2-0x0000000075460000-0x0000000075A11000-memory.dmp

memory/744-3-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-4-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-6-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-7-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-9-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-10-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3160-11-0x0000000075460000-0x0000000075A11000-memory.dmp

memory/744-8-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-12-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-13-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-14-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-15-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-16-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-17-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-18-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-19-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-20-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-21-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-22-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-23-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-24-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-25-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/744-26-0x0000000000400000-0x00000000004BA000-memory.dmp