darkcomet | 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd

General

Target

63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Size

667KB
MD5

52284a58b470d6357c687091e5844125
SHA1

f4e9af57952c54cff18e91dbc33600ad5a22662a
SHA256

63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd
SHA512

914ebbe51e00215beda54a13a5412c4cad7aaec67bd93b3dcc62e28a259eb4ccb550ec179fd7b3ddecfcaec8416dd2d7fa0cd221e1b7a3ad696519c27eaabef9

Score

10^/10

darkcomet evasion persistence rat trojan

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:

63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\svchost.exe"	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe

Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

1684 svchost.exe

pid	process
1684	svchost.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:

63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\International\Geo\Nation	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe

Windows security modification 2 TTPs 1 IoCs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

svchost.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\svchost.exe"	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\svchost.exe"	svchost.exe

Drops file in Windows directory 3 IoCs

Processes:

63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe

description	ioc	process
File opened for modification	C:\Windows\svchost.exe	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
File opened for modification	C:\Windows\	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
File created	C:\Windows\svchost.exe	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exesvchost.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeSecurityPrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeTakeOwnershipPrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeLoadDriverPrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeSystemProfilePrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeSystemtimePrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeProfSingleProcessPrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeIncBasePriorityPrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeCreatePagefilePrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeBackupPrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeRestorePrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeShutdownPrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeDebugPrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeSystemEnvironmentPrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeChangeNotifyPrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeRemoteShutdownPrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeUndockPrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeManageVolumePrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeImpersonatePrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeCreateGlobalPrivilege	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: 33	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: 34	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: 35	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: 36	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Token: SeIncreaseQuotaPrivilege	1684	svchost.exe
Token: SeSecurityPrivilege	1684	svchost.exe
Token: SeTakeOwnershipPrivilege	1684	svchost.exe
Token: SeLoadDriverPrivilege	1684	svchost.exe
Token: SeSystemProfilePrivilege	1684	svchost.exe
Token: SeSystemtimePrivilege	1684	svchost.exe
Token: SeProfSingleProcessPrivilege	1684	svchost.exe
Token: SeIncBasePriorityPrivilege	1684	svchost.exe
Token: SeCreatePagefilePrivilege	1684	svchost.exe
Token: SeBackupPrivilege	1684	svchost.exe
Token: SeRestorePrivilege	1684	svchost.exe
Token: SeShutdownPrivilege	1684	svchost.exe
Token: SeDebugPrivilege	1684	svchost.exe
Token: SeSystemEnvironmentPrivilege	1684	svchost.exe
Token: SeChangeNotifyPrivilege	1684	svchost.exe
Token: SeRemoteShutdownPrivilege	1684	svchost.exe
Token: SeUndockPrivilege	1684	svchost.exe
Token: SeManageVolumePrivilege	1684	svchost.exe
Token: SeImpersonatePrivilege	1684	svchost.exe
Token: SeCreateGlobalPrivilege	1684	svchost.exe
Token: 33	1684	svchost.exe
Token: 34	1684	svchost.exe
Token: 35	1684	svchost.exe
Token: 36	1684	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid process

1684 svchost.exe

pid	process
1684	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe

description	pid	process	target process
PID 3768 wrote to memory of 1684	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe	svchost.exe
PID 3768 wrote to memory of 1684	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe	svchost.exe
PID 3768 wrote to memory of 1684	3768	63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
"C:\Users\Admin\AppData\Local\Temp\63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3768

C:\Windows\svchost.exe
"C:\Windows\svchost.exe"
2⤵
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1684

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

4

T1112

Disabling Security Tools

2

T1089

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\svchost.exe
MD5
52284a58b470d6357c687091e5844125

SHA1
f4e9af57952c54cff18e91dbc33600ad5a22662a

SHA256
63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd

SHA512
914ebbe51e00215beda54a13a5412c4cad7aaec67bd93b3dcc62e28a259eb4ccb550ec179fd7b3ddecfcaec8416dd2d7fa0cd221e1b7a3ad696519c27eaabef9

Download Submit
C:\Windows\svchost.exe
MD5
52284a58b470d6357c687091e5844125

SHA1
f4e9af57952c54cff18e91dbc33600ad5a22662a

SHA256
63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd

SHA512
914ebbe51e00215beda54a13a5412c4cad7aaec67bd93b3dcc62e28a259eb4ccb550ec179fd7b3ddecfcaec8416dd2d7fa0cd221e1b7a3ad696519c27eaabef9

Download Submit
memory/1684-114-0x0000000000000000-mapping.dmp

Download
memory/1684-118-0x00000000004C0000-0x000000000060A000-memory.dmp

Filesize
1.3MB

Download
memory/3768-117-0x0000000002220000-0x0000000002221000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads