darkcomet | 4a683c5439a91cd97ba2a68258528f2aa4e640a650219b2ccd3e30468062cc83

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/10/2024, 16:45

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General

Target

74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
Size

686KB
MD5

74780ce2d7cca50a2e02d895f16b7646
SHA1

a1ac8a1ad30801415c85e92522009acfbbecc647
SHA256

4a683c5439a91cd97ba2a68258528f2aa4e640a650219b2ccd3e30468062cc83
SHA512

958d5447306cb0b51ecd2a70d954ba12a440bc834284783301d95b1a98474c93f4cf8cbcca52819ddb5907d174ae56685cfd6d402e5f8239fa6995a003ad8dbf
SSDEEP

12288:A0yjePRkouFP8gpfJOZ9autdjvP/OlYYONpNqEayhK:hyCbutx0zau/gZOJa

Score

10^/10

darkcomet discovery persistence rat trojan upx

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	PerfWatsonPackage.exe

Executes dropped EXE 2 IoCs

pid	Process
3752	PerfWatsonPackage.exe
2676	msvbprj.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\© Windows Live Messenger Music Status Plugin Module = "C:\\Users\\Admin\\AppData\\Local\\Temp\\PerfWatsonPackage.exe"	PerfWatsonPackage.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 672 set thread context of 1388	672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe	85
PID 2676 set thread context of 2152	2676	msvbprj.exe	89

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1388-7-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/1388-8-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/1388-9-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/1388-10-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/1388-11-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/1388-15-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/1388-14-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/1388-13-0x0000000000400000-0x00000000004C9000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PerfWatsonPackage.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msvbprj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
3752	PerfWatsonPackage.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
2676	msvbprj.exe
2676	msvbprj.exe
2676	msvbprj.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
2676	msvbprj.exe
2676	msvbprj.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
2676	msvbprj.exe
2676	msvbprj.exe
2676	msvbprj.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
2676	msvbprj.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
2676	msvbprj.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
2676	msvbprj.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
2676	msvbprj.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
2676	msvbprj.exe
2676	msvbprj.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
2676	msvbprj.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
2676	msvbprj.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
2676	msvbprj.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
2676	msvbprj.exe
2676	msvbprj.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
2676	msvbprj.exe
2676	msvbprj.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
2676	msvbprj.exe
2676	msvbprj.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
2676	msvbprj.exe
672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 51 IoCs

description	pid	Process
Token: SeDebugPrivilege	672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1388	AppLaunch.exe
Token: SeSecurityPrivilege	1388	AppLaunch.exe
Token: SeTakeOwnershipPrivilege	1388	AppLaunch.exe
Token: SeLoadDriverPrivilege	1388	AppLaunch.exe
Token: SeSystemProfilePrivilege	1388	AppLaunch.exe
Token: SeSystemtimePrivilege	1388	AppLaunch.exe
Token: SeProfSingleProcessPrivilege	1388	AppLaunch.exe
Token: SeIncBasePriorityPrivilege	1388	AppLaunch.exe
Token: SeCreatePagefilePrivilege	1388	AppLaunch.exe
Token: SeBackupPrivilege	1388	AppLaunch.exe
Token: SeRestorePrivilege	1388	AppLaunch.exe
Token: SeShutdownPrivilege	1388	AppLaunch.exe
Token: SeDebugPrivilege	1388	AppLaunch.exe
Token: SeSystemEnvironmentPrivilege	1388	AppLaunch.exe
Token: SeChangeNotifyPrivilege	1388	AppLaunch.exe
Token: SeRemoteShutdownPrivilege	1388	AppLaunch.exe
Token: SeUndockPrivilege	1388	AppLaunch.exe
Token: SeManageVolumePrivilege	1388	AppLaunch.exe
Token: SeImpersonatePrivilege	1388	AppLaunch.exe
Token: SeCreateGlobalPrivilege	1388	AppLaunch.exe
Token: 33	1388	AppLaunch.exe
Token: 34	1388	AppLaunch.exe
Token: 35	1388	AppLaunch.exe
Token: 36	1388	AppLaunch.exe
Token: SeDebugPrivilege	3752	PerfWatsonPackage.exe
Token: SeDebugPrivilege	2676	msvbprj.exe
Token: SeIncreaseQuotaPrivilege	2152	AppLaunch.exe
Token: SeSecurityPrivilege	2152	AppLaunch.exe
Token: SeTakeOwnershipPrivilege	2152	AppLaunch.exe
Token: SeLoadDriverPrivilege	2152	AppLaunch.exe
Token: SeSystemProfilePrivilege	2152	AppLaunch.exe
Token: SeSystemtimePrivilege	2152	AppLaunch.exe
Token: SeProfSingleProcessPrivilege	2152	AppLaunch.exe
Token: SeIncBasePriorityPrivilege	2152	AppLaunch.exe
Token: SeCreatePagefilePrivilege	2152	AppLaunch.exe
Token: SeBackupPrivilege	2152	AppLaunch.exe
Token: SeRestorePrivilege	2152	AppLaunch.exe
Token: SeShutdownPrivilege	2152	AppLaunch.exe
Token: SeDebugPrivilege	2152	AppLaunch.exe
Token: SeSystemEnvironmentPrivilege	2152	AppLaunch.exe
Token: SeChangeNotifyPrivilege	2152	AppLaunch.exe
Token: SeRemoteShutdownPrivilege	2152	AppLaunch.exe
Token: SeUndockPrivilege	2152	AppLaunch.exe
Token: SeManageVolumePrivilege	2152	AppLaunch.exe
Token: SeImpersonatePrivilege	2152	AppLaunch.exe
Token: SeCreateGlobalPrivilege	2152	AppLaunch.exe
Token: 33	2152	AppLaunch.exe
Token: 34	2152	AppLaunch.exe
Token: 35	2152	AppLaunch.exe
Token: 36	2152	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1388	AppLaunch.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 672 wrote to memory of 1388	672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe	85
PID 672 wrote to memory of 1388	672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe	85
PID 672 wrote to memory of 1388	672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe	85
PID 672 wrote to memory of 1388	672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe	85
PID 672 wrote to memory of 1388	672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe	85
PID 672 wrote to memory of 1388	672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe	85
PID 672 wrote to memory of 1388	672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe	85
PID 672 wrote to memory of 1388	672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe	85
PID 672 wrote to memory of 3752	672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe	87
PID 672 wrote to memory of 3752	672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe	87
PID 672 wrote to memory of 3752	672	74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe	87
PID 3752 wrote to memory of 2676	3752	PerfWatsonPackage.exe	88
PID 3752 wrote to memory of 2676	3752	PerfWatsonPackage.exe	88
PID 3752 wrote to memory of 2676	3752	PerfWatsonPackage.exe	88
PID 2676 wrote to memory of 2152	2676	msvbprj.exe	89
PID 2676 wrote to memory of 2152	2676	msvbprj.exe	89
PID 2676 wrote to memory of 2152	2676	msvbprj.exe	89
PID 2676 wrote to memory of 2152	2676	msvbprj.exe	89
PID 2676 wrote to memory of 2152	2676	msvbprj.exe	89
PID 2676 wrote to memory of 2152	2676	msvbprj.exe	89
PID 2676 wrote to memory of 2152	2676	msvbprj.exe	89
PID 2676 wrote to memory of 2152	2676	msvbprj.exe	89

C:\Users\Admin\AppData\Local\Temp\74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\74780ce2d7cca50a2e02d895f16b7646_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:672
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1388
- C:\Users\Admin\AppData\Local\Temp\PerfWatsonPackage.exe
  "C:\Users\Admin\AppData\Local\Temp\PerfWatsonPackage.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3752
- - C:\Users\Admin\AppData\Local\Temp\msvbprj.exe
    "C:\Users\Admin\AppData\Local\Temp\msvbprj.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2676
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:2152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
35KB

MD5
5de5595461e7d2128487452a00021d0b

SHA1
475ac303168d7165ba5d51df5b46e5e6169d03fc

SHA256
2cf9865737b18d9bde9e44c59a039655dca28706f55097a149361e6b6bf54259

SHA512
799ed7527dedce3e602751032b68d21f619daa45c39d608f07973e9ce316dde947ed716c7f119989f2d7d793a6b14ae05b4f103d49d2b80fe8acd67faac509ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\msvbprj.exe

Filesize
686KB

MD5
74780ce2d7cca50a2e02d895f16b7646

SHA1
a1ac8a1ad30801415c85e92522009acfbbecc647

SHA256
4a683c5439a91cd97ba2a68258528f2aa4e640a650219b2ccd3e30468062cc83

SHA512
958d5447306cb0b51ecd2a70d954ba12a440bc834284783301d95b1a98474c93f4cf8cbcca52819ddb5907d174ae56685cfd6d402e5f8239fa6995a003ad8dbf

Download Submit
memory/672-0-0x0000000075572000-0x0000000075573000-memory.dmp

Filesize
4KB

Download
memory/672-1-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/672-2-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/672-38-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/672-37-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/672-36-0x0000000075572000-0x0000000075573000-memory.dmp

Filesize
4KB

Download
memory/1388-14-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/1388-8-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/1388-12-0x0000000000B30000-0x0000000000B31000-memory.dmp

Filesize
4KB

Download
memory/1388-13-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/1388-11-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/1388-7-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/1388-15-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/1388-9-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/1388-10-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/3752-26-0x0000000075572000-0x0000000075573000-memory.dmp

Filesize
4KB

Download
memory/3752-28-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/3752-27-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/3752-39-0x0000000075572000-0x0000000075573000-memory.dmp

Filesize
4KB

Download
memory/3752-40-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download