darkcomet | 395217f00e128d72ab7ccb1a198e7b366b34ebb051a02b28297eaa5fcb5abc09

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 09:20

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General

Target

f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Size

658KB
MD5

f354fe54a8c1c49d5dc7fce13f6b5458
SHA1

aa55c82fe69c47749097990b60c5136c168db863
SHA256

395217f00e128d72ab7ccb1a198e7b366b34ebb051a02b28297eaa5fcb5abc09
SHA512

bcd579cf4baac21941c60652cf22697ea82a69e2486881f47cec7719077441dea8bb53e53a3d3e1948900e4d4911a8caa382b0ad4c4220b6f69152d4c565f141
SSDEEP

12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hK:eZ1xuVVjfFoynPaVBUR8f+kN10EBQ

Score

10^/10

darkcomet slave discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Slave

mrdaniel.no-ip.org:18418

Mutex

DC_MUTEX-AGN4CQ3

Attributes

InstallPath
SystemM\SystemHJ.exe
gencode
KkWtqDcdwDun
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

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\\AppData\\Roaming\\SystemM\\SystemHJ.exe"	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4196	SystemHJ.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\SystemM\\SystemHJ.exe"	SystemHJ.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\SystemM\\SystemHJ.exe"	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe

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	SystemHJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeSecurityPrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeBackupPrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeRestorePrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeShutdownPrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeDebugPrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeUndockPrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: 33	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: 34	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: 35	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: 36	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4196	SystemHJ.exe
Token: SeSecurityPrivilege	4196	SystemHJ.exe
Token: SeTakeOwnershipPrivilege	4196	SystemHJ.exe
Token: SeLoadDriverPrivilege	4196	SystemHJ.exe
Token: SeSystemProfilePrivilege	4196	SystemHJ.exe
Token: SeSystemtimePrivilege	4196	SystemHJ.exe
Token: SeProfSingleProcessPrivilege	4196	SystemHJ.exe
Token: SeIncBasePriorityPrivilege	4196	SystemHJ.exe
Token: SeCreatePagefilePrivilege	4196	SystemHJ.exe
Token: SeBackupPrivilege	4196	SystemHJ.exe
Token: SeRestorePrivilege	4196	SystemHJ.exe
Token: SeShutdownPrivilege	4196	SystemHJ.exe
Token: SeDebugPrivilege	4196	SystemHJ.exe
Token: SeSystemEnvironmentPrivilege	4196	SystemHJ.exe
Token: SeChangeNotifyPrivilege	4196	SystemHJ.exe
Token: SeRemoteShutdownPrivilege	4196	SystemHJ.exe
Token: SeUndockPrivilege	4196	SystemHJ.exe
Token: SeManageVolumePrivilege	4196	SystemHJ.exe
Token: SeImpersonatePrivilege	4196	SystemHJ.exe
Token: SeCreateGlobalPrivilege	4196	SystemHJ.exe
Token: 33	4196	SystemHJ.exe
Token: 34	4196	SystemHJ.exe
Token: 35	4196	SystemHJ.exe
Token: 36	4196	SystemHJ.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4196	SystemHJ.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 4196	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe	83
PID 1172 wrote to memory of 4196	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe	83
PID 1172 wrote to memory of 4196	1172	f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f354fe54a8c1c49d5dc7fce13f6b5458_JaffaCakes118.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:1172
- C:\Users\Admin\AppData\Roaming\SystemM\SystemHJ.exe
  "C:\Users\Admin\AppData\Roaming\SystemM\SystemHJ.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4196

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

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

C:\Users\Admin\AppData\Roaming\SystemM\SystemHJ.exe

Filesize
658KB

MD5
f354fe54a8c1c49d5dc7fce13f6b5458

SHA1
aa55c82fe69c47749097990b60c5136c168db863

SHA256
395217f00e128d72ab7ccb1a198e7b366b34ebb051a02b28297eaa5fcb5abc09

SHA512
bcd579cf4baac21941c60652cf22697ea82a69e2486881f47cec7719077441dea8bb53e53a3d3e1948900e4d4911a8caa382b0ad4c4220b6f69152d4c565f141

Download Submit
memory/1172-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1172-0-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download
memory/4196-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-13-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/4196-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-16-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/4196-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads