darkcomet | be5ed0d0ec7cbf1776fa045cf5b84e5d553b86c40b2fc24c3fe4c9cdea12d78a

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
23/02/2025, 00:05

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General

Target

JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Size

658KB
MD5

1d2479184b2a686ebbc21550860d9a00
SHA1

d86d5803c4a3ac545d926522b64068bec6ee999d
SHA256

be5ed0d0ec7cbf1776fa045cf5b84e5d553b86c40b2fc24c3fe4c9cdea12d78a
SHA512

1912f0460dff87a0b6fbe37f4b849d4f8dfaf0c5714a98cc512fdb25df4a5d5fc65203d8b77da75300271b927276e2a76232c923a65de59a6b81fc12f77df8fa
SSDEEP

12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hY:eZ1xuVVjfFoynPaVBUR8f+kN10EBO

Score

10^/10

darkcomet guest discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest

coolcrazyfly.no-ip.biz:1608

Mutex

DC_MUTEX-TR1T20C

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
WfyF5GZxJAmn
install
true
offline_keylogger
true
password
popyjoe1
persistence
false
reg_key
MicroUpdate

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_1d2479184b2a686ebbc21550860d9a00.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-1-5-21-1161330783-2912525651-1278508834-1000\Control Panel\International\Geo\Nation	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe

Executes dropped EXE 1 IoCs

pid	Process
2528	msdcsc.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-1-5-21-1161330783-2912525651-1278508834-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeSecurityPrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeTakeOwnershipPrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeLoadDriverPrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeSystemProfilePrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeSystemtimePrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeProfSingleProcessPrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeIncBasePriorityPrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeCreatePagefilePrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeBackupPrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeRestorePrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeShutdownPrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeDebugPrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeSystemEnvironmentPrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeChangeNotifyPrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeRemoteShutdownPrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeUndockPrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeManageVolumePrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeImpersonatePrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeCreateGlobalPrivilege	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: 33	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: 34	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: 35	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: 36	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
Token: SeIncreaseQuotaPrivilege	2528	msdcsc.exe
Token: SeSecurityPrivilege	2528	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2528	msdcsc.exe
Token: SeLoadDriverPrivilege	2528	msdcsc.exe
Token: SeSystemProfilePrivilege	2528	msdcsc.exe
Token: SeSystemtimePrivilege	2528	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2528	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2528	msdcsc.exe
Token: SeCreatePagefilePrivilege	2528	msdcsc.exe
Token: SeBackupPrivilege	2528	msdcsc.exe
Token: SeRestorePrivilege	2528	msdcsc.exe
Token: SeShutdownPrivilege	2528	msdcsc.exe
Token: SeDebugPrivilege	2528	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2528	msdcsc.exe
Token: SeChangeNotifyPrivilege	2528	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2528	msdcsc.exe
Token: SeUndockPrivilege	2528	msdcsc.exe
Token: SeManageVolumePrivilege	2528	msdcsc.exe
Token: SeImpersonatePrivilege	2528	msdcsc.exe
Token: SeCreateGlobalPrivilege	2528	msdcsc.exe
Token: 33	2528	msdcsc.exe
Token: 34	2528	msdcsc.exe
Token: 35	2528	msdcsc.exe
Token: 36	2528	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2528	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 2528	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe	85
PID 4572 wrote to memory of 2528	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe	85
PID 4572 wrote to memory of 2528	4572	JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1d2479184b2a686ebbc21550860d9a00.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:4572
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2528

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\Documents\MSDCSC\msdcsc.exe

Filesize
658KB

MD5
1d2479184b2a686ebbc21550860d9a00

SHA1
d86d5803c4a3ac545d926522b64068bec6ee999d

SHA256
be5ed0d0ec7cbf1776fa045cf5b84e5d553b86c40b2fc24c3fe4c9cdea12d78a

SHA512
1912f0460dff87a0b6fbe37f4b849d4f8dfaf0c5714a98cc512fdb25df4a5d5fc65203d8b77da75300271b927276e2a76232c923a65de59a6b81fc12f77df8fa

Download Submit
memory/2528-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2528-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2528-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2528-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2528-16-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/2528-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2528-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2528-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2528-13-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/2528-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2528-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2528-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2528-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2528-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2528-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2528-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4572-0-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download
memory/4572-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads