darkcomet | 5e34a191bcc951ec9c9e4eea6a09f5202b136b574a1a04fd9d323484257547f0

Analysis

max time kernel
140s
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
02-01-2025 00:49

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General

Target

JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Size

678KB
MD5

61a85259801468a7e86d8a969775e624
SHA1

ec7ac1ac05f91093140967692d845f6aabafa660
SHA256

5e34a191bcc951ec9c9e4eea6a09f5202b136b574a1a04fd9d323484257547f0
SHA512

88b3baca3fbf601ebbc33b515ba0bf057cebc393e27c7fa043a157784003ea9e75252560127f2221bc516a5335b9f39e77016f7a3dddaeca4b24b886080d1dc9
SSDEEP

12288:g8UaT9XY2siA0bMG09xD7I3Gg8ecgVvfBoCDBOQQYbVXpuy1f/gORixyl:ZUKoN0bUxgGa/pfBHDb+y1HgZ

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

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_61a85259801468a7e86d8a969775e624.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe

Executes dropped EXE 1 IoCs

pid	Process
3588	msdcsc.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3588 set thread context of 2724	3588	msdcsc.exe	87

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	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2096	cmd.exe
3348	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3348	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeSecurityPrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeTakeOwnershipPrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeLoadDriverPrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeSystemProfilePrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeSystemtimePrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeProfSingleProcessPrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeIncBasePriorityPrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeCreatePagefilePrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeBackupPrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeRestorePrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeShutdownPrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeDebugPrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeSystemEnvironmentPrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeChangeNotifyPrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeRemoteShutdownPrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeUndockPrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeManageVolumePrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeImpersonatePrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeCreateGlobalPrivilege	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: 33	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: 34	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: 35	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: 36	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeIncreaseQuotaPrivilege	3588	msdcsc.exe
Token: SeSecurityPrivilege	3588	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3588	msdcsc.exe
Token: SeLoadDriverPrivilege	3588	msdcsc.exe
Token: SeSystemProfilePrivilege	3588	msdcsc.exe
Token: SeSystemtimePrivilege	3588	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3588	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3588	msdcsc.exe
Token: SeCreatePagefilePrivilege	3588	msdcsc.exe
Token: SeBackupPrivilege	3588	msdcsc.exe
Token: SeRestorePrivilege	3588	msdcsc.exe
Token: SeShutdownPrivilege	3588	msdcsc.exe
Token: SeDebugPrivilege	3588	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3588	msdcsc.exe
Token: SeChangeNotifyPrivilege	3588	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3588	msdcsc.exe
Token: SeUndockPrivilege	3588	msdcsc.exe
Token: SeManageVolumePrivilege	3588	msdcsc.exe
Token: SeImpersonatePrivilege	3588	msdcsc.exe
Token: SeCreateGlobalPrivilege	3588	msdcsc.exe
Token: 33	3588	msdcsc.exe
Token: 34	3588	msdcsc.exe
Token: 35	3588	msdcsc.exe
Token: 36	3588	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	2724	iexplore.exe
Token: SeSecurityPrivilege	2724	iexplore.exe
Token: SeTakeOwnershipPrivilege	2724	iexplore.exe
Token: SeLoadDriverPrivilege	2724	iexplore.exe
Token: SeSystemProfilePrivilege	2724	iexplore.exe
Token: SeSystemtimePrivilege	2724	iexplore.exe
Token: SeProfSingleProcessPrivilege	2724	iexplore.exe
Token: SeIncBasePriorityPrivilege	2724	iexplore.exe
Token: SeCreatePagefilePrivilege	2724	iexplore.exe
Token: SeBackupPrivilege	2724	iexplore.exe
Token: SeRestorePrivilege	2724	iexplore.exe
Token: SeShutdownPrivilege	2724	iexplore.exe
Token: SeDebugPrivilege	2724	iexplore.exe
Token: SeSystemEnvironmentPrivilege	2724	iexplore.exe
Token: SeChangeNotifyPrivilege	2724	iexplore.exe
Token: SeRemoteShutdownPrivilege	2724	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2724	iexplore.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2096	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe	83
PID 1684 wrote to memory of 2096	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe	83
PID 1684 wrote to memory of 2096	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe	83
PID 1684 wrote to memory of 3588	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe	85
PID 1684 wrote to memory of 3588	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe	85
PID 1684 wrote to memory of 3588	1684	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe	85
PID 2096 wrote to memory of 3348	2096	cmd.exe	86
PID 2096 wrote to memory of 3348	2096	cmd.exe	86
PID 2096 wrote to memory of 3348	2096	cmd.exe	86
PID 3588 wrote to memory of 2724	3588	msdcsc.exe	87
PID 3588 wrote to memory of 2724	3588	msdcsc.exe	87
PID 3588 wrote to memory of 2724	3588	msdcsc.exe	87
PID 3588 wrote to memory of 2724	3588	msdcsc.exe	87
PID 3588 wrote to memory of 2724	3588	msdcsc.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61a85259801468a7e86d8a969775e624.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 4 && del "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61a85259801468a7e86d8a969775e624.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2096
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 4
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:3348
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3588
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2724

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

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
678KB

MD5
61a85259801468a7e86d8a969775e624

SHA1
ec7ac1ac05f91093140967692d845f6aabafa660

SHA256
5e34a191bcc951ec9c9e4eea6a09f5202b136b574a1a04fd9d323484257547f0

SHA512
88b3baca3fbf601ebbc33b515ba0bf057cebc393e27c7fa043a157784003ea9e75252560127f2221bc516a5335b9f39e77016f7a3dddaeca4b24b886080d1dc9

Download Submit
memory/1684-0-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/1684-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2724-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3588-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3588-14-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads