darkcomet | eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6

General

Target

eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Size

232KB
MD5

f0457db9f16446ce936b729c976bfea1
SHA1

839d5c815b7ab8e23b25815dda448aedded498dc
SHA256

eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6
SHA512

fcec2d68f33415717b6403bfea78583b888e625ef3f56abcf1b655930da56d157cbb18b4a0ea79cd70fba7987e0584b5811f2dc6ef8050e8f7f9e91254cb5f01

Score

10^/10

darkcomet persistence rat trojan upx

Malware Config

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

T1004

Modify Registry

T1112

Processes:

eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe

Executes dropped EXE 1 IoCs

Processes:

IMDCSC.exe

pid process

3212 IMDCSC.exe

pid	process
3212	IMDCSC.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe	upx
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\SS = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exeIMDCSC.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeSecurityPrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeTakeOwnershipPrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeLoadDriverPrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeSystemProfilePrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeSystemtimePrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeProfSingleProcessPrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeIncBasePriorityPrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeCreatePagefilePrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeBackupPrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeRestorePrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeShutdownPrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeDebugPrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeSystemEnvironmentPrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeChangeNotifyPrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeRemoteShutdownPrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeUndockPrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeManageVolumePrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeImpersonatePrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeCreateGlobalPrivilege	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: 33	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: 34	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: 35	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: 36	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
Token: SeIncreaseQuotaPrivilege	3212	IMDCSC.exe
Token: SeSecurityPrivilege	3212	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	3212	IMDCSC.exe
Token: SeLoadDriverPrivilege	3212	IMDCSC.exe
Token: SeSystemProfilePrivilege	3212	IMDCSC.exe
Token: SeSystemtimePrivilege	3212	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	3212	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	3212	IMDCSC.exe
Token: SeCreatePagefilePrivilege	3212	IMDCSC.exe
Token: SeBackupPrivilege	3212	IMDCSC.exe
Token: SeRestorePrivilege	3212	IMDCSC.exe
Token: SeShutdownPrivilege	3212	IMDCSC.exe
Token: SeDebugPrivilege	3212	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	3212	IMDCSC.exe
Token: SeChangeNotifyPrivilege	3212	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	3212	IMDCSC.exe
Token: SeUndockPrivilege	3212	IMDCSC.exe
Token: SeManageVolumePrivilege	3212	IMDCSC.exe
Token: SeImpersonatePrivilege	3212	IMDCSC.exe
Token: SeCreateGlobalPrivilege	3212	IMDCSC.exe
Token: 33	3212	IMDCSC.exe
Token: 34	3212	IMDCSC.exe
Token: 35	3212	IMDCSC.exe
Token: 36	3212	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

IMDCSC.exe

pid process

3212 IMDCSC.exe

pid	process
3212	IMDCSC.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe

description	pid	process	target process
PID 1020 wrote to memory of 3212	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe	IMDCSC.exe
PID 1020 wrote to memory of 3212	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe	IMDCSC.exe
PID 1020 wrote to memory of 3212	1020	eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe	IMDCSC.exe

C:\Users\Admin\AppData\Local\Temp\eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe
"C:\Users\Admin\AppData\Local\Temp\eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1020

C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
"C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3212

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
MD5
f0457db9f16446ce936b729c976bfea1

SHA1
839d5c815b7ab8e23b25815dda448aedded498dc

SHA256
eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6

SHA512
fcec2d68f33415717b6403bfea78583b888e625ef3f56abcf1b655930da56d157cbb18b4a0ea79cd70fba7987e0584b5811f2dc6ef8050e8f7f9e91254cb5f01

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
MD5
f0457db9f16446ce936b729c976bfea1

SHA1
839d5c815b7ab8e23b25815dda448aedded498dc

SHA256
eefc1f400c26511a09ac6fdb041fda25b757cef54689ae9d27ac0c68c738b7e6

SHA512
fcec2d68f33415717b6403bfea78583b888e625ef3f56abcf1b655930da56d157cbb18b4a0ea79cd70fba7987e0584b5811f2dc6ef8050e8f7f9e91254cb5f01

Download Submit
memory/3212-0-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads