darkcomet | 48b506e985b951c923fe90a5fb01cfeddc9b9b0f719198b12da40d3d68e9d988

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/03/2025, 18:46

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General

Target

JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Size

732KB
MD5

92ac06564a24292909293e6b2ce2ba8e
SHA1

76b62276df07cee3f1f0ef7e2ae5876ef783b87b
SHA256

48b506e985b951c923fe90a5fb01cfeddc9b9b0f719198b12da40d3d68e9d988
SHA512

192dfe18307a2c3350745f1a59ef6a1fb3bf220c303a224f8edd47ef68f1939d9612a63a716164434b991df7392d854436673c22a4cb367ce6de773743ce3f4b
SSDEEP

12288:bCD3Ck/9duMKjzD4IAvy21dVzJgfuCSPokOFLsoPz2SqqkqUcQxdBhXk:bg3hmMoD4GspJcNSgke45SRefdBhXk

Score

10^/10

darkcomet hf discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

baileyiscless.no-ip.org:1233

Mutex

DC_MUTEX-VNXFTVT

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
zcCDV5T8T0sl
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

rc4.plain

Extracted

Family

darkcomet

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

rc4.plain

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Active Setup\Installed Components	explorer.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2516 set thread context of 2536	2516	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe	30

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 2 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	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2832	explorer.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeSecurityPrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeTakeOwnershipPrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeLoadDriverPrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeSystemProfilePrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeSystemtimePrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeProfSingleProcessPrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeIncBasePriorityPrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeCreatePagefilePrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeBackupPrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeRestorePrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeShutdownPrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeDebugPrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeSystemEnvironmentPrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeChangeNotifyPrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeRemoteShutdownPrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeUndockPrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeManageVolumePrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeImpersonatePrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeCreateGlobalPrivilege	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: 33	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: 34	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: 35	2536	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
Token: SeShutdownPrivilege	2832	explorer.exe
Token: SeShutdownPrivilege	2832	explorer.exe
Token: SeShutdownPrivilege	2832	explorer.exe
Token: SeShutdownPrivilege	2832	explorer.exe
Token: SeShutdownPrivilege	2832	explorer.exe
Token: SeShutdownPrivilege	2832	explorer.exe
Token: SeShutdownPrivilege	2832	explorer.exe
Token: SeShutdownPrivilege	2832	explorer.exe
Token: SeShutdownPrivilege	2832	explorer.exe
Token: SeShutdownPrivilege	2832	explorer.exe
Token: SeShutdownPrivilege	2832	explorer.exe
Token: SeShutdownPrivilege	2832	explorer.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe

Suspicious use of SendNotifyMessage 16 IoCs

pid	Process
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe
2832	explorer.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2536	2516	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe	30
PID 2516 wrote to memory of 2536	2516	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe	30
PID 2516 wrote to memory of 2536	2516	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe	30
PID 2516 wrote to memory of 2536	2516	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe	30
PID 2516 wrote to memory of 2536	2516	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe	30
PID 2516 wrote to memory of 2536	2516	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe	30
PID 2516 wrote to memory of 2536	2516	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe	30
PID 2516 wrote to memory of 2536	2516	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe	30
PID 2516 wrote to memory of 2536	2516	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe	30
PID 2516 wrote to memory of 2536	2516	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe	30
PID 2516 wrote to memory of 2536	2516	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe	30
PID 2516 wrote to memory of 2536	2516	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe	30
PID 2516 wrote to memory of 2536	2516	JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe	30

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92ac06564a24292909293e6b2ce2ba8e.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2536

C:\Windows\explorer.exe
explorer.exe
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

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

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Downloads

memory/2536-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2536-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2536-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2536-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2536-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2536-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2536-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2536-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2536-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2536-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2536-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2536-2-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2536-0-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2536-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2536-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2832-42-0x00000000022A0000-0x00000000022B0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads