darkcomet | 5e34a191bcc951ec9c9e4eea6a09f5202b136b574a1a04fd9d323484257547f0

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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

Deletes itself 1 IoCs

pid	Process
2500	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2644	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2644 set thread context of 2272	2644	msdcsc.exe	35

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_61a85259801468a7e86d8a969775e624.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
2500	cmd.exe
2248	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2248	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeSecurityPrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeTakeOwnershipPrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeLoadDriverPrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeSystemProfilePrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeSystemtimePrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeProfSingleProcessPrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeIncBasePriorityPrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeCreatePagefilePrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeBackupPrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeRestorePrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeShutdownPrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeDebugPrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeSystemEnvironmentPrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeChangeNotifyPrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeRemoteShutdownPrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeUndockPrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeManageVolumePrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeImpersonatePrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeCreateGlobalPrivilege	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: 33	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: 34	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: 35	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
Token: SeIncreaseQuotaPrivilege	2644	msdcsc.exe
Token: SeSecurityPrivilege	2644	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2644	msdcsc.exe
Token: SeLoadDriverPrivilege	2644	msdcsc.exe
Token: SeSystemProfilePrivilege	2644	msdcsc.exe
Token: SeSystemtimePrivilege	2644	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2644	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2644	msdcsc.exe
Token: SeCreatePagefilePrivilege	2644	msdcsc.exe
Token: SeBackupPrivilege	2644	msdcsc.exe
Token: SeRestorePrivilege	2644	msdcsc.exe
Token: SeShutdownPrivilege	2644	msdcsc.exe
Token: SeDebugPrivilege	2644	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2644	msdcsc.exe
Token: SeChangeNotifyPrivilege	2644	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2644	msdcsc.exe
Token: SeUndockPrivilege	2644	msdcsc.exe
Token: SeManageVolumePrivilege	2644	msdcsc.exe
Token: SeImpersonatePrivilege	2644	msdcsc.exe
Token: SeCreateGlobalPrivilege	2644	msdcsc.exe
Token: 33	2644	msdcsc.exe
Token: 34	2644	msdcsc.exe
Token: 35	2644	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	2272	iexplore.exe
Token: SeSecurityPrivilege	2272	iexplore.exe
Token: SeTakeOwnershipPrivilege	2272	iexplore.exe
Token: SeLoadDriverPrivilege	2272	iexplore.exe
Token: SeSystemProfilePrivilege	2272	iexplore.exe
Token: SeSystemtimePrivilege	2272	iexplore.exe
Token: SeProfSingleProcessPrivilege	2272	iexplore.exe
Token: SeIncBasePriorityPrivilege	2272	iexplore.exe
Token: SeCreatePagefilePrivilege	2272	iexplore.exe
Token: SeBackupPrivilege	2272	iexplore.exe
Token: SeRestorePrivilege	2272	iexplore.exe
Token: SeShutdownPrivilege	2272	iexplore.exe
Token: SeDebugPrivilege	2272	iexplore.exe
Token: SeSystemEnvironmentPrivilege	2272	iexplore.exe
Token: SeChangeNotifyPrivilege	2272	iexplore.exe
Token: SeRemoteShutdownPrivilege	2272	iexplore.exe
Token: SeUndockPrivilege	2272	iexplore.exe
Token: SeManageVolumePrivilege	2272	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2272	iexplore.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2500	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe	31
PID 1752 wrote to memory of 2500	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe	31
PID 1752 wrote to memory of 2500	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe	31
PID 1752 wrote to memory of 2500	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe	31
PID 1752 wrote to memory of 2644	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe	33
PID 1752 wrote to memory of 2644	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe	33
PID 1752 wrote to memory of 2644	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe	33
PID 1752 wrote to memory of 2644	1752	JaffaCakes118_61a85259801468a7e86d8a969775e624.exe	33
PID 2500 wrote to memory of 2248	2500	cmd.exe	34
PID 2500 wrote to memory of 2248	2500	cmd.exe	34
PID 2500 wrote to memory of 2248	2500	cmd.exe	34
PID 2500 wrote to memory of 2248	2500	cmd.exe	34
PID 2644 wrote to memory of 2272	2644	msdcsc.exe	35
PID 2644 wrote to memory of 2272	2644	msdcsc.exe	35
PID 2644 wrote to memory of 2272	2644	msdcsc.exe	35
PID 2644 wrote to memory of 2272	2644	msdcsc.exe	35
PID 2644 wrote to memory of 2272	2644	msdcsc.exe	35
PID 2644 wrote to memory of 2272	2644	msdcsc.exe	35

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61a85259801468a7e86d8a969775e624.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61a85259801468a7e86d8a969775e624.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752
- 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⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2500
- - 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:2248
- 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:2644
- - 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:2272

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

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

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

Filesize
678KB

MD5
61a85259801468a7e86d8a969775e624

SHA1
ec7ac1ac05f91093140967692d845f6aabafa660

SHA256
5e34a191bcc951ec9c9e4eea6a09f5202b136b574a1a04fd9d323484257547f0

SHA512
88b3baca3fbf601ebbc33b515ba0bf057cebc393e27c7fa043a157784003ea9e75252560127f2221bc516a5335b9f39e77016f7a3dddaeca4b24b886080d1dc9

Download Submit
memory/1752-0-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1752-11-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2272-14-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2644-12-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2644-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads