darkcomet | 763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6

Resubmissions

05/02/2025, 07:25

250205-h9ctfsxqaj 10

05/02/2025, 06:58

250205-hrpqaswrfk 10

01/10/2022, 23:37

221001-3mmqcscbb6 10

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
05/02/2025, 06:58

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General

Target

763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Size

757KB
MD5

7b8560ae8ce17f43bddc807c78d36457
SHA1

aff2be4f4dceb4847608d6718fcdfa0958322157
SHA256

763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6
SHA512

dd670da215d25b8f9791c082b646620accc82d991cc8ed3f3a9ce384a60e113b652946fb4d0c7dab0b2d03f7c4e4539bb73b84394a3054d4460cc990accd7462
SSDEEP

12288:D9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h7nkQ:NZ1xuVVjfFoynPaVBUR8f+kN10EBtkQ

Score

10^/10

darkcomet robert defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Robert

127.0.0.1:1604

harryisasexybitch.zapto.org:1604

Mutex

DC_MUTEX-4A2MA06

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
BBoW3lnSTiZW
install
true
offline_keylogger
true
persistence
false
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"	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe

Disables RegEdit via registry modification 1 IoCs

defense_evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.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-1-5-21-2089655958-977706906-1981639424-1000\Control Panel\International\Geo\Nation	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe

Executes dropped EXE 1 IoCs

pid	Process
4684	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-1-5-21-2089655958-977706906-1981639424-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.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 3 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	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeSecurityPrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeTakeOwnershipPrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeLoadDriverPrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeSystemProfilePrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeSystemtimePrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeProfSingleProcessPrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeIncBasePriorityPrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeCreatePagefilePrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeBackupPrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeRestorePrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeShutdownPrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeDebugPrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeSystemEnvironmentPrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeChangeNotifyPrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeRemoteShutdownPrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeUndockPrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeManageVolumePrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeImpersonatePrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeCreateGlobalPrivilege	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: 33	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: 34	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: 35	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: 36	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
Token: SeIncreaseQuotaPrivilege	4684	msdcsc.exe
Token: SeSecurityPrivilege	4684	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4684	msdcsc.exe
Token: SeLoadDriverPrivilege	4684	msdcsc.exe
Token: SeSystemProfilePrivilege	4684	msdcsc.exe
Token: SeSystemtimePrivilege	4684	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4684	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4684	msdcsc.exe
Token: SeCreatePagefilePrivilege	4684	msdcsc.exe
Token: SeBackupPrivilege	4684	msdcsc.exe
Token: SeRestorePrivilege	4684	msdcsc.exe
Token: SeShutdownPrivilege	4684	msdcsc.exe
Token: SeDebugPrivilege	4684	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4684	msdcsc.exe
Token: SeChangeNotifyPrivilege	4684	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4684	msdcsc.exe
Token: SeUndockPrivilege	4684	msdcsc.exe
Token: SeManageVolumePrivilege	4684	msdcsc.exe
Token: SeImpersonatePrivilege	4684	msdcsc.exe
Token: SeCreateGlobalPrivilege	4684	msdcsc.exe
Token: 33	4684	msdcsc.exe
Token: 34	4684	msdcsc.exe
Token: 35	4684	msdcsc.exe
Token: 36	4684	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4684	msdcsc.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 4684	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe	89
PID 212 wrote to memory of 4684	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe	89
PID 212 wrote to memory of 4684	212	763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe	89
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90
PID 4684 wrote to memory of 3644	4684	msdcsc.exe	90

C:\Users\Admin\AppData\Local\Temp\763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe
C:\Users\Admin\AppData\Local\Temp\763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6.exe dsrm -subtree -noprompt -c user"http://+:443"
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:212
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4684
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3644

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
757KB

MD5
7b8560ae8ce17f43bddc807c78d36457

SHA1
aff2be4f4dceb4847608d6718fcdfa0958322157

SHA256
763f992e8d36d950ef166ca66f95d4d1cab1ba95419987e8a0281cbffc9257d6

SHA512
dd670da215d25b8f9791c082b646620accc82d991cc8ed3f3a9ce384a60e113b652946fb4d0c7dab0b2d03f7c4e4539bb73b84394a3054d4460cc990accd7462

Download Submit
memory/212-0-0x0000000002500000-0x0000000002501000-memory.dmp

Filesize
4KB

Download
memory/212-15-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/3644-14-0x0000000000A90000-0x0000000000A91000-memory.dmp

Filesize
4KB

Download
memory/4684-13-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/4684-16-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/4684-17-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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