darkcomet | 9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87

General

Target

9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Size

283KB
MD5

6cbb584e6702fa8e374732b363466ef0
SHA1

3065c8a2b41475609465c35a63c5957d6297071d
SHA256

9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87
SHA512

8e599fe8183611c714aea83019ec24f283dbe0fe8a54c8e644cdb4246edc50ec0e8de7799a2c2b4bbc30670c8762855e6ff93e6bb8775d71c2ff0df0de89edb3
SSDEEP

6144:9cNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37VB:9cW7KEZlPzCy37VB

Score

10^/10

darkcomet guest16 persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

whatrobloxhackedrobuxlastnight.ddns.net:1604

Mutex

DC_MUTEX-XABL0YQ

Attributes

InstallPath
Alx
gencode
nuMr7zMe6ooH
install
true
offline_keylogger
true
persistence
false
reg_key
Alx

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:

9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Desktop\\Alx"	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4716-132-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/4716-133-0x0000000000400000-0x00000000004C7000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Alx = "C:\\Users\\Admin\\Desktop\\Alx"	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.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 24 IoCs

Processes:

9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeSecurityPrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeTakeOwnershipPrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeLoadDriverPrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeSystemProfilePrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeSystemtimePrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeProfSingleProcessPrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeIncBasePriorityPrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeCreatePagefilePrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeBackupPrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeRestorePrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeShutdownPrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeDebugPrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeSystemEnvironmentPrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeChangeNotifyPrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeRemoteShutdownPrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeUndockPrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeManageVolumePrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeImpersonatePrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: SeCreateGlobalPrivilege	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: 33	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: 34	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: 35	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
Token: 36	4716	9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe

C:\Users\Admin\AppData\Local\Temp\9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe
"C:\Users\Admin\AppData\Local\Temp\9fa6c7d1c6e03a0eb892319ee48c8510f91c43b5056aa7b76ee134ccb3d0ef87.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:4716

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/4716-132-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4716-133-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads