Malware Analysis Report

2025-04-03 10:27

Sample ID 250301-kavlbswsby
Target JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd
SHA256 1deb2aa775db7e51667ac2a20c19d55ecff57d2099c15c30f3d6a700da91c536
Tags
darkcomet latentbot new---victim discovery persistence rat trojan
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

1deb2aa775db7e51667ac2a20c19d55ecff57d2099c15c30f3d6a700da91c536

Threat Level: Known bad

The file JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd was found to be: Known bad.

Malicious Activity Summary

darkcomet latentbot new---victim discovery persistence rat trojan

Darkcomet family

LatentBot

Latentbot family

Darkcomet

Adds Run key to start application

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-03-01 08:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-03-01 08:24

Reported

2025-03-01 08:26

Platform

win7-20240903-en

Max time kernel

150s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe"

Signatures

Darkcomet

trojan rat darkcomet

Darkcomet family

darkcomet

LatentBot

trojan latentbot

Latentbot family

latentbot

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\vbc = "C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe" C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.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\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1880 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe
PID 1880 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe
PID 1880 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe
PID 1880 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe
PID 1880 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe
PID 1880 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe
PID 1880 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe
PID 1880 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe
PID 1880 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe
PID 1880 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe
PID 1880 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe
PID 1880 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe
PID 1880 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe"

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 zungazungazz.zapto.org udp

Files

memory/2440-0-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-10-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-22-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-23-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-24-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/1880-21-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2440-18-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2440-14-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-12-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-8-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-6-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-5-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-3-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-27-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-26-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-25-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-28-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-29-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-30-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-31-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-32-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-33-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-34-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-35-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-36-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-37-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-38-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-39-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-40-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-41-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-42-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/2440-43-0x0000000000400000-0x00000000004B2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-03-01 08:24

Reported

2025-03-01 08:26

Platform

win10v2004-20250217-en

Max time kernel

140s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vbc = "C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe" C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A

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\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe"

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37d8afda879e0fc483b5fe79cab356cd.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4196 -ip 4196

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 12

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/3380-2-0x0000000000400000-0x0000000000409000-memory.dmp