darkcomet | 6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175

General

Target

6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Size

1.6MB
MD5

36a1093ba903a8f60018be5a47b64f4d
SHA1

29e900950b9f4910bfbb6d40425c4acf9860050d
SHA256

6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175
SHA512

ccc024b732e2b0a9770ce6db9dd5bbbeeeddaa6c6e8ac492eab099abb7354246bc6b2b80b137d6a5215f6648295c1edbc871fcaf6cc55d46eab1c762674f8dd9

Score

10^/10

darkcomet sazan persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

C2

127.0.0.1:1604

Mutex

DC_MUTEX-XYKG11G

Attributes

gencode
UtdF4g2keNM8
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Executes dropped EXE 2 IoCs

Processes:

._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exeSynaptics.exe

pid process

5068 ._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
1192 Synaptics.exe

pid	process
5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
1192	Synaptics.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:

6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\RIP crack dragonjin = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe

description	pid	process	target process
PID 5068 set thread context of 1864	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe	iexplore.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Modifies registry class 1 IoCs

Processes:

6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4540 EXCEL.EXE

pid	process
4540	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exeiexplore.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeSecurityPrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeTakeOwnershipPrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeLoadDriverPrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeSystemProfilePrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeSystemtimePrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeProfSingleProcessPrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeIncBasePriorityPrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeCreatePagefilePrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeBackupPrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeRestorePrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeShutdownPrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeDebugPrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeSystemEnvironmentPrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeChangeNotifyPrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeRemoteShutdownPrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeUndockPrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeManageVolumePrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeImpersonatePrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeCreateGlobalPrivilege	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: 33	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: 34	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: 35	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: 36	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Token: SeIncreaseQuotaPrivilege	1864	iexplore.exe
Token: SeSecurityPrivilege	1864	iexplore.exe
Token: SeTakeOwnershipPrivilege	1864	iexplore.exe
Token: SeLoadDriverPrivilege	1864	iexplore.exe
Token: SeSystemProfilePrivilege	1864	iexplore.exe
Token: SeSystemtimePrivilege	1864	iexplore.exe
Token: SeProfSingleProcessPrivilege	1864	iexplore.exe
Token: SeIncBasePriorityPrivilege	1864	iexplore.exe
Token: SeCreatePagefilePrivilege	1864	iexplore.exe
Token: SeBackupPrivilege	1864	iexplore.exe
Token: SeRestorePrivilege	1864	iexplore.exe
Token: SeShutdownPrivilege	1864	iexplore.exe
Token: SeDebugPrivilege	1864	iexplore.exe
Token: SeSystemEnvironmentPrivilege	1864	iexplore.exe
Token: SeChangeNotifyPrivilege	1864	iexplore.exe
Token: SeRemoteShutdownPrivilege	1864	iexplore.exe
Token: SeUndockPrivilege	1864	iexplore.exe
Token: SeManageVolumePrivilege	1864	iexplore.exe
Token: SeImpersonatePrivilege	1864	iexplore.exe
Token: SeCreateGlobalPrivilege	1864	iexplore.exe
Token: 33	1864	iexplore.exe
Token: 34	1864	iexplore.exe
Token: 35	1864	iexplore.exe
Token: 36	1864	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeEXCEL.EXE

pid process

1864 iexplore.exe
4540 EXCEL.EXE
4540 EXCEL.EXE
4540 EXCEL.EXE
4540 EXCEL.EXE
4540 EXCEL.EXE

pid	process
1864	iexplore.exe
4540	EXCEL.EXE
4540	EXCEL.EXE
4540	EXCEL.EXE
4540	EXCEL.EXE
4540	EXCEL.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe

description	pid	process	target process
PID 4212 wrote to memory of 5068	4212	6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
PID 4212 wrote to memory of 5068	4212	6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
PID 4212 wrote to memory of 5068	4212	6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
PID 5068 wrote to memory of 1864	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe	iexplore.exe
PID 5068 wrote to memory of 1864	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe	iexplore.exe
PID 5068 wrote to memory of 1864	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe	iexplore.exe
PID 5068 wrote to memory of 1864	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe	iexplore.exe
PID 5068 wrote to memory of 1864	5068	._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe	iexplore.exe
PID 4212 wrote to memory of 1192	4212	6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe	Synaptics.exe
PID 4212 wrote to memory of 1192	4212	6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe	Synaptics.exe
PID 4212 wrote to memory of 1192	4212	6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe	Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
"C:\Users\Admin\AppData\Local\Temp\6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4212

C:\Users\Admin\AppData\Local\Temp\._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
"C:\Users\Admin\AppData\Local\Temp\._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5068

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1864

C:\ProgramData\Synaptics\Synaptics.exe
"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
2⤵
- Executes dropped EXE
PID:1192

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4540

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe
Filesize
939KB

MD5
98d222f9a9fca39bab9d912ed68aeffd

SHA1
76ff31de379f20edb7f6c7f2564aefc6c567870a

SHA256
5d302d9a9667d9bf513f4d8ef3fabddcd51a55b57e6e8ad8b9420ed8a7dfaa84

SHA512
62e70ea31737cf89aa0baadc04549ea53e427a558224c00159b065676b2eb698bd72b3fe8b1d7a44c60735806693b0baece26d37a199f54badd1a6ea9edc4998

Download Submit
C:\ProgramData\Synaptics\Synaptics.exe
Filesize
939KB

MD5
98d222f9a9fca39bab9d912ed68aeffd

SHA1
76ff31de379f20edb7f6c7f2564aefc6c567870a

SHA256
5d302d9a9667d9bf513f4d8ef3fabddcd51a55b57e6e8ad8b9420ed8a7dfaa84

SHA512
62e70ea31737cf89aa0baadc04549ea53e427a558224c00159b065676b2eb698bd72b3fe8b1d7a44c60735806693b0baece26d37a199f54badd1a6ea9edc4998

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Filesize
658KB

MD5
1a35d962d2a525e0fddf7759dc427ac3

SHA1
458b85dcdaf3f8519d53d79e45d110e15e61213e

SHA256
e35a989e764b96036d184eed4e97c193bb36a709b28971f34d6415ac63472511

SHA512
e813a29a4bc511c6479ca3e8a6b34404779a22ff09f79b4069b4b45c5f402e471d629fd078ca893f441f1808e0c0d52d264f7a155b3aaebec15396ba42fdd19a

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_6d1a5fa7760661ff4862aa01fc461f5e8260b290b1e97dc33eede2a3d9b66175.exe
Filesize
658KB

MD5
1a35d962d2a525e0fddf7759dc427ac3

SHA1
458b85dcdaf3f8519d53d79e45d110e15e61213e

SHA256
e35a989e764b96036d184eed4e97c193bb36a709b28971f34d6415ac63472511

SHA512
e813a29a4bc511c6479ca3e8a6b34404779a22ff09f79b4069b4b45c5f402e471d629fd078ca893f441f1808e0c0d52d264f7a155b3aaebec15396ba42fdd19a

Download Submit
C:\Users\Admin\AppData\Local\Temp\v25nsgua.xlsm
Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
memory/1192-133-0x0000000000000000-mapping.dmp

Download
memory/4540-137-0x00007FF848730000-0x00007FF848740000-memory.dmp

Filesize
64KB

Download
memory/4540-140-0x00007FF848730000-0x00007FF848740000-memory.dmp

Filesize
64KB

Download
memory/4540-139-0x00007FF848730000-0x00007FF848740000-memory.dmp

Filesize
64KB

Download
memory/4540-138-0x00007FF848730000-0x00007FF848740000-memory.dmp

Filesize
64KB

Download
memory/4540-136-0x00007FF848730000-0x00007FF848740000-memory.dmp

Filesize
64KB

Download
memory/4540-141-0x00007FF845FE0000-0x00007FF845FF0000-memory.dmp

Filesize
64KB

Download
memory/4540-142-0x00007FF845FE0000-0x00007FF845FF0000-memory.dmp

Filesize
64KB

Download
memory/5068-130-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads