darkcomet | 6cde6ee1b9c49e50d2730dc72111f4ed07e6cecca1ea447085a4707509c427b3

General

Target

6cde6ee1b9c49e50d2730dc72111f4ed07e6cecca1ea447085a4707509c427b3.exe
Size

900KB
MD5

353363e2a1f090ed0936349a8b64abb0
SHA1

c6d1690789e404a9b4d096c5746e0891697d3ce4
SHA256

6cde6ee1b9c49e50d2730dc72111f4ed07e6cecca1ea447085a4707509c427b3
SHA512

4578ab61e7c7d55aec016287951319a1e364983ce1a8f740ebf100c9462652885d0eab866d379d62a0b409eb2bb3f790d8c8bcaa6028c44553c6eb4c82db9f65
SSDEEP

24576:jDKIe5GiyseoVIAmBpVKHu0Mu9Xo20VGLVP5:jyGkrVIAmKZV

Score

10^/10

darkcomet 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:

SO2NNNU.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\\Roaming\\MSDSVC\\MSDSVC3.exe"	SO2NNNU.EXE

Executes dropped EXE 2 IoCs

Processes:

SO2NNNU.EXEMSDSVC3.exe

pid process

4968 SO2NNNU.EXE
32 MSDSVC3.exe

pid	process
4968	SO2NNNU.EXE
32	MSDSVC3.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

6cde6ee1b9c49e50d2730dc72111f4ed07e6cecca1ea447085a4707509c427b3.exeSO2NNNU.EXE

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	6cde6ee1b9c49e50d2730dc72111f4ed07e6cecca1ea447085a4707509c427b3.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	SO2NNNU.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

SO2NNNU.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Service = "C:\\Users\\Admin\\AppData\\Roaming\\MSDSVC\\MSDSVC3.exe"	SO2NNNU.EXE

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

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4612 PING.EXE

pid	process
4612	PING.EXE

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

SO2NNNU.EXEMSDSVC3.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4968	SO2NNNU.EXE
Token: SeSecurityPrivilege	4968	SO2NNNU.EXE
Token: SeTakeOwnershipPrivilege	4968	SO2NNNU.EXE
Token: SeLoadDriverPrivilege	4968	SO2NNNU.EXE
Token: SeSystemProfilePrivilege	4968	SO2NNNU.EXE
Token: SeSystemtimePrivilege	4968	SO2NNNU.EXE
Token: SeProfSingleProcessPrivilege	4968	SO2NNNU.EXE
Token: SeIncBasePriorityPrivilege	4968	SO2NNNU.EXE
Token: SeCreatePagefilePrivilege	4968	SO2NNNU.EXE
Token: SeBackupPrivilege	4968	SO2NNNU.EXE
Token: SeRestorePrivilege	4968	SO2NNNU.EXE
Token: SeShutdownPrivilege	4968	SO2NNNU.EXE
Token: SeDebugPrivilege	4968	SO2NNNU.EXE
Token: SeSystemEnvironmentPrivilege	4968	SO2NNNU.EXE
Token: SeChangeNotifyPrivilege	4968	SO2NNNU.EXE
Token: SeRemoteShutdownPrivilege	4968	SO2NNNU.EXE
Token: SeUndockPrivilege	4968	SO2NNNU.EXE
Token: SeManageVolumePrivilege	4968	SO2NNNU.EXE
Token: SeImpersonatePrivilege	4968	SO2NNNU.EXE
Token: SeCreateGlobalPrivilege	4968	SO2NNNU.EXE
Token: 33	4968	SO2NNNU.EXE
Token: 34	4968	SO2NNNU.EXE
Token: 35	4968	SO2NNNU.EXE
Token: 36	4968	SO2NNNU.EXE
Token: SeIncreaseQuotaPrivilege	32	MSDSVC3.exe
Token: SeSecurityPrivilege	32	MSDSVC3.exe
Token: SeTakeOwnershipPrivilege	32	MSDSVC3.exe
Token: SeLoadDriverPrivilege	32	MSDSVC3.exe
Token: SeSystemProfilePrivilege	32	MSDSVC3.exe
Token: SeSystemtimePrivilege	32	MSDSVC3.exe
Token: SeProfSingleProcessPrivilege	32	MSDSVC3.exe
Token: SeIncBasePriorityPrivilege	32	MSDSVC3.exe
Token: SeCreatePagefilePrivilege	32	MSDSVC3.exe
Token: SeBackupPrivilege	32	MSDSVC3.exe
Token: SeRestorePrivilege	32	MSDSVC3.exe
Token: SeShutdownPrivilege	32	MSDSVC3.exe
Token: SeDebugPrivilege	32	MSDSVC3.exe
Token: SeSystemEnvironmentPrivilege	32	MSDSVC3.exe
Token: SeChangeNotifyPrivilege	32	MSDSVC3.exe
Token: SeRemoteShutdownPrivilege	32	MSDSVC3.exe
Token: SeUndockPrivilege	32	MSDSVC3.exe
Token: SeManageVolumePrivilege	32	MSDSVC3.exe
Token: SeImpersonatePrivilege	32	MSDSVC3.exe
Token: SeCreateGlobalPrivilege	32	MSDSVC3.exe
Token: 33	32	MSDSVC3.exe
Token: 34	32	MSDSVC3.exe
Token: 35	32	MSDSVC3.exe
Token: 36	32	MSDSVC3.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

6cde6ee1b9c49e50d2730dc72111f4ed07e6cecca1ea447085a4707509c427b3.exeSO2NNNU.EXEcmd.exe

description	pid	process	target process
PID 2244 wrote to memory of 4968	2244	6cde6ee1b9c49e50d2730dc72111f4ed07e6cecca1ea447085a4707509c427b3.exe	SO2NNNU.EXE
PID 2244 wrote to memory of 4968	2244	6cde6ee1b9c49e50d2730dc72111f4ed07e6cecca1ea447085a4707509c427b3.exe	SO2NNNU.EXE
PID 2244 wrote to memory of 4968	2244	6cde6ee1b9c49e50d2730dc72111f4ed07e6cecca1ea447085a4707509c427b3.exe	SO2NNNU.EXE
PID 4968 wrote to memory of 32	4968	SO2NNNU.EXE	MSDSVC3.exe
PID 4968 wrote to memory of 32	4968	SO2NNNU.EXE	MSDSVC3.exe
PID 4968 wrote to memory of 32	4968	SO2NNNU.EXE	MSDSVC3.exe
PID 4968 wrote to memory of 3508	4968	SO2NNNU.EXE	cmd.exe
PID 4968 wrote to memory of 3508	4968	SO2NNNU.EXE	cmd.exe
PID 4968 wrote to memory of 3508	4968	SO2NNNU.EXE	cmd.exe
PID 3508 wrote to memory of 4612	3508	cmd.exe	PING.EXE
PID 3508 wrote to memory of 4612	3508	cmd.exe	PING.EXE
PID 3508 wrote to memory of 4612	3508	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\6cde6ee1b9c49e50d2730dc72111f4ed07e6cecca1ea447085a4707509c427b3.exe
"C:\Users\Admin\AppData\Local\Temp\6cde6ee1b9c49e50d2730dc72111f4ed07e6cecca1ea447085a4707509c427b3.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2244

C:\Users\Admin\AppData\Local\Temp\SO2NNNU.EXE
"C:\Users\Admin\AppData\Local\Temp\SO2NNNU.EXE"
2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4968

C:\Users\Admin\AppData\Roaming\MSDSVC\MSDSVC3.exe
"C:\Users\Admin\AppData\Roaming\MSDSVC\MSDSVC3.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:32

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\SO2NNNU.EXE"
3⤵
- Suspicious use of WriteProcessMemory
PID:3508

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 5
4⤵
- Runs ping.exe
PID:4612

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\SO2NNNU.EXE
Filesize
648KB

MD5
f3c4f63451faf149e750adc29612bd12

SHA1
472040a80c2deb5d47e1a9b338074feefb6513fe

SHA256
8baffedce5b458ac33e5084dd8262a8a74e8c02963458748ebd0aac40a533a44

SHA512
46f2f61d268b84bac9d81efabd45003fbe16173c4ce0440b505ff62c97866e69dcb8ca643257b8db3fac83232a4939736677ababbcbeb0c5ca529974fdb0c308

Download Submit
C:\Users\Admin\AppData\Local\Temp\SO2NNNU.EXE
Filesize
648KB

MD5
f3c4f63451faf149e750adc29612bd12

SHA1
472040a80c2deb5d47e1a9b338074feefb6513fe

SHA256
8baffedce5b458ac33e5084dd8262a8a74e8c02963458748ebd0aac40a533a44

SHA512
46f2f61d268b84bac9d81efabd45003fbe16173c4ce0440b505ff62c97866e69dcb8ca643257b8db3fac83232a4939736677ababbcbeb0c5ca529974fdb0c308

Download Submit
C:\Users\Admin\AppData\Roaming\MSDSVC\MSDSVC3.exe
Filesize
648KB

MD5
f3c4f63451faf149e750adc29612bd12

SHA1
472040a80c2deb5d47e1a9b338074feefb6513fe

SHA256
8baffedce5b458ac33e5084dd8262a8a74e8c02963458748ebd0aac40a533a44

SHA512
46f2f61d268b84bac9d81efabd45003fbe16173c4ce0440b505ff62c97866e69dcb8ca643257b8db3fac83232a4939736677ababbcbeb0c5ca529974fdb0c308

Download Submit
C:\Users\Admin\AppData\Roaming\MSDSVC\MSDSVC3.exe
Filesize
648KB

MD5
f3c4f63451faf149e750adc29612bd12

SHA1
472040a80c2deb5d47e1a9b338074feefb6513fe

SHA256
8baffedce5b458ac33e5084dd8262a8a74e8c02963458748ebd0aac40a533a44

SHA512
46f2f61d268b84bac9d81efabd45003fbe16173c4ce0440b505ff62c97866e69dcb8ca643257b8db3fac83232a4939736677ababbcbeb0c5ca529974fdb0c308

Download Submit
memory/32-135-0x0000000000000000-mapping.dmp

Download
memory/3508-138-0x0000000000000000-mapping.dmp

Download
memory/4612-139-0x0000000000000000-mapping.dmp

Download
memory/4968-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads