darkcomet | c8ecfab1cd0c6400111c9b682716839bdb4cab2b9249b6fd42a784168ee3c12a

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 07:53

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General

Target

JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Size

658KB
MD5

2997965477e1bbf417e78a4b4c9c89e0
SHA1

895a01ab5d9b0348bfe07fcec36cc27a10d15e3d
SHA256

c8ecfab1cd0c6400111c9b682716839bdb4cab2b9249b6fd42a784168ee3c12a
SHA512

33c6fbcf88b5d9207ef1a841322a0d7af2ddd8dd89be2f02f74b403f63a3eb4ddd56f49486b152d8bff51898f236da163f3c799c7d3e2db66a250019e02c6ddf
SSDEEP

12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hc:eZ1xuVVjfFoynPaVBUR8f+kN10EBS

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

thesurge99.no-ip.org:1604

Mutex

DC_MUTEX-RSKR8V0

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
UCGT0nDKowDP
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\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe

Executes dropped EXE 1 IoCs

pid	Process
2040	msdcsc.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.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_2997965477e1bbf417e78a4b4c9c89e0.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeSecurityPrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeTakeOwnershipPrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeLoadDriverPrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeSystemProfilePrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeSystemtimePrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeProfSingleProcessPrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeIncBasePriorityPrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeCreatePagefilePrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeBackupPrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeRestorePrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeShutdownPrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeDebugPrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeSystemEnvironmentPrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeChangeNotifyPrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeRemoteShutdownPrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeUndockPrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeManageVolumePrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeImpersonatePrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeCreateGlobalPrivilege	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: 33	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: 34	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: 35	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: 36	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
Token: SeIncreaseQuotaPrivilege	2040	msdcsc.exe
Token: SeSecurityPrivilege	2040	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2040	msdcsc.exe
Token: SeLoadDriverPrivilege	2040	msdcsc.exe
Token: SeSystemProfilePrivilege	2040	msdcsc.exe
Token: SeSystemtimePrivilege	2040	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2040	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2040	msdcsc.exe
Token: SeCreatePagefilePrivilege	2040	msdcsc.exe
Token: SeBackupPrivilege	2040	msdcsc.exe
Token: SeRestorePrivilege	2040	msdcsc.exe
Token: SeShutdownPrivilege	2040	msdcsc.exe
Token: SeDebugPrivilege	2040	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2040	msdcsc.exe
Token: SeChangeNotifyPrivilege	2040	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2040	msdcsc.exe
Token: SeUndockPrivilege	2040	msdcsc.exe
Token: SeManageVolumePrivilege	2040	msdcsc.exe
Token: SeImpersonatePrivilege	2040	msdcsc.exe
Token: SeCreateGlobalPrivilege	2040	msdcsc.exe
Token: 33	2040	msdcsc.exe
Token: 34	2040	msdcsc.exe
Token: 35	2040	msdcsc.exe
Token: 36	2040	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2040	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3360 wrote to memory of 2040	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe	82
PID 3360 wrote to memory of 2040	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe	82
PID 3360 wrote to memory of 2040	3360	JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2997965477e1bbf417e78a4b4c9c89e0.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:3360
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.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:2040

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

Replay Monitor

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Downloads

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

Filesize
658KB

MD5
2997965477e1bbf417e78a4b4c9c89e0

SHA1
895a01ab5d9b0348bfe07fcec36cc27a10d15e3d

SHA256
c8ecfab1cd0c6400111c9b682716839bdb4cab2b9249b6fd42a784168ee3c12a

SHA512
33c6fbcf88b5d9207ef1a841322a0d7af2ddd8dd89be2f02f74b403f63a3eb4ddd56f49486b152d8bff51898f236da163f3c799c7d3e2db66a250019e02c6ddf

Download Submit
memory/2040-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2040-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2040-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2040-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2040-16-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/2040-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2040-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2040-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2040-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2040-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2040-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2040-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2040-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2040-13-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/2040-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2040-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3360-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3360-0-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads