darkcomet | 35df31a35807ceb59bbcc4808292565d64b37c60fee9c98fc3406e40ce6889d5

General

Target

432239af3b4ba67d938ffc6bfb22956e.exe
Size

658KB
MD5

432239af3b4ba67d938ffc6bfb22956e
SHA1

a46d496a95e639d8161dd2512809163f55ed9445
SHA256

35df31a35807ceb59bbcc4808292565d64b37c60fee9c98fc3406e40ce6889d5
SHA512

549967e66367f0a288850dabb5732382e5c01f0542d193d4006215d4f65f819c5492e1c88f143cfb628fe8c2252b458c5fc12da9f3aedff8ebf1fb37986ac0ac
SSDEEP

12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hm:+Z1xuVVjfFoynPaVBUR8f+kN10EBg

Score

10^/10

darkcomet guest16_min persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

xerxesrox.no-ip.biz:83

Mutex

DCMIN_MUTEX-EHQMHJU

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
PcrJ6QRL7ZlH
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

432239af3b4ba67d938ffc6bfb22956e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\DCSCMIN\\IMDCSC.exe"	432239af3b4ba67d938ffc6bfb22956e.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

Processes:

432239af3b4ba67d938ffc6bfb22956e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	432239af3b4ba67d938ffc6bfb22956e.exe

Executes dropped EXE 1 IoCs

Processes:

IMDCSC.exe

pid process

2092 IMDCSC.exe

pid	process
2092	IMDCSC.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

432239af3b4ba67d938ffc6bfb22956e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\AppData\\Local\\Temp\\DCSCMIN\\IMDCSC.exe"	432239af3b4ba67d938ffc6bfb22956e.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

432239af3b4ba67d938ffc6bfb22956e.exeIMDCSC.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeSecurityPrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeTakeOwnershipPrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeLoadDriverPrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeSystemProfilePrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeSystemtimePrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeProfSingleProcessPrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeIncBasePriorityPrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeCreatePagefilePrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeBackupPrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeRestorePrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeShutdownPrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeDebugPrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeSystemEnvironmentPrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeChangeNotifyPrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeRemoteShutdownPrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeUndockPrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeManageVolumePrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeImpersonatePrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeCreateGlobalPrivilege	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: 33	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: 34	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: 35	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: 36	3632	432239af3b4ba67d938ffc6bfb22956e.exe
Token: SeIncreaseQuotaPrivilege	2092	IMDCSC.exe
Token: SeSecurityPrivilege	2092	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2092	IMDCSC.exe
Token: SeLoadDriverPrivilege	2092	IMDCSC.exe
Token: SeSystemProfilePrivilege	2092	IMDCSC.exe
Token: SeSystemtimePrivilege	2092	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2092	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2092	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2092	IMDCSC.exe
Token: SeBackupPrivilege	2092	IMDCSC.exe
Token: SeRestorePrivilege	2092	IMDCSC.exe
Token: SeShutdownPrivilege	2092	IMDCSC.exe
Token: SeDebugPrivilege	2092	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2092	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2092	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2092	IMDCSC.exe
Token: SeUndockPrivilege	2092	IMDCSC.exe
Token: SeManageVolumePrivilege	2092	IMDCSC.exe
Token: SeImpersonatePrivilege	2092	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2092	IMDCSC.exe
Token: 33	2092	IMDCSC.exe
Token: 34	2092	IMDCSC.exe
Token: 35	2092	IMDCSC.exe
Token: 36	2092	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

IMDCSC.exe

pid process

2092 IMDCSC.exe

pid	process
2092	IMDCSC.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

432239af3b4ba67d938ffc6bfb22956e.exe

description	pid	process	target process
PID 3632 wrote to memory of 2092	3632	432239af3b4ba67d938ffc6bfb22956e.exe	IMDCSC.exe
PID 3632 wrote to memory of 2092	3632	432239af3b4ba67d938ffc6bfb22956e.exe	IMDCSC.exe
PID 3632 wrote to memory of 2092	3632	432239af3b4ba67d938ffc6bfb22956e.exe	IMDCSC.exe

C:\Users\Admin\AppData\Local\Temp\432239af3b4ba67d938ffc6bfb22956e.exe
"C:\Users\Admin\AppData\Local\Temp\432239af3b4ba67d938ffc6bfb22956e.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3632

C:\Users\Admin\AppData\Local\Temp\DCSCMIN\IMDCSC.exe
"C:\Users\Admin\AppData\Local\Temp\DCSCMIN\IMDCSC.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2092

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\DCSCMIN\IMDCSC.exe
Filesize
658KB

MD5
432239af3b4ba67d938ffc6bfb22956e

SHA1
a46d496a95e639d8161dd2512809163f55ed9445

SHA256
35df31a35807ceb59bbcc4808292565d64b37c60fee9c98fc3406e40ce6889d5

SHA512
549967e66367f0a288850dabb5732382e5c01f0542d193d4006215d4f65f819c5492e1c88f143cfb628fe8c2252b458c5fc12da9f3aedff8ebf1fb37986ac0ac

Download Submit
memory/2092-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2092-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2092-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2092-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2092-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2092-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2092-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2092-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2092-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2092-12-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/2092-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2092-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2092-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2092-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2092-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3632-0-0x00000000022B0000-0x00000000022B1000-memory.dmp

Filesize
4KB

Download
memory/3632-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads