darkcomet | e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56

Resubmissions

05/02/2025, 07:32

250205-jc74rswpdw 10

05/02/2025, 07:10

250205-hzekasxlej 10

01/10/2022, 22:04

221001-1y9cdsafgm 10

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2022, 22:04

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General

Target

e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Size

686KB
MD5

012a1196493ab7f81db07c2bee6a0302
SHA1

4210c6b6036381428c5f74c6ef0eed02fb8926e2
SHA256

e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56
SHA512

60a4b7358df12e759b46632eb20f2c7c2874b8f62cab5b2ff7ea2656ec98257b3165404041c59d57ab4db3ebaef52bc9d01a022594bba8be0d13c67d57a0c3c9
SSDEEP

12288:DsrDj72TynbM+b233JvdepuKGMXO/iXv89/w2t+09F/8bERxYp2cjR/gQQu4cbWh:DYh3b233dKHXcX/w2t+09F/8biDcdglx

Score

10^/10

darkcomet opfer persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Opfer

tima.myftp.biz:1001

Mutex

DCMIN_MUTEX-750S66E

Attributes

InstallPath
Windows\taskhost.exe
gencode
xmB35GD9pqNN
install
true
offline_keylogger
true
persistence
false
reg_key
NT Kernel & Systeam

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\Windows\\taskhost.exe"	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe

Executes dropped EXE 2 IoCs

pid	Process
4724	taskhost.exe
3604	taskhost.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NT Kernel & Systeam = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Windows\\taskhost.exe"	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4204 set thread context of 1392	4204	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	85
PID 4724 set thread context of 3604	4724	taskhost.exe	87

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 50 IoCs

description	pid	Process
Token: SeDebugPrivilege	4204	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeIncreaseQuotaPrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeSecurityPrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeTakeOwnershipPrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeLoadDriverPrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeSystemProfilePrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeSystemtimePrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeProfSingleProcessPrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeIncBasePriorityPrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeCreatePagefilePrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeBackupPrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeRestorePrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeShutdownPrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeDebugPrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeSystemEnvironmentPrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeChangeNotifyPrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeRemoteShutdownPrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeUndockPrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeManageVolumePrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeImpersonatePrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeCreateGlobalPrivilege	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: 33	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: 34	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: 35	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: 36	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
Token: SeDebugPrivilege	4724	taskhost.exe
Token: SeIncreaseQuotaPrivilege	3604	taskhost.exe
Token: SeSecurityPrivilege	3604	taskhost.exe
Token: SeTakeOwnershipPrivilege	3604	taskhost.exe
Token: SeLoadDriverPrivilege	3604	taskhost.exe
Token: SeSystemProfilePrivilege	3604	taskhost.exe
Token: SeSystemtimePrivilege	3604	taskhost.exe
Token: SeProfSingleProcessPrivilege	3604	taskhost.exe
Token: SeIncBasePriorityPrivilege	3604	taskhost.exe
Token: SeCreatePagefilePrivilege	3604	taskhost.exe
Token: SeBackupPrivilege	3604	taskhost.exe
Token: SeRestorePrivilege	3604	taskhost.exe
Token: SeShutdownPrivilege	3604	taskhost.exe
Token: SeDebugPrivilege	3604	taskhost.exe
Token: SeSystemEnvironmentPrivilege	3604	taskhost.exe
Token: SeChangeNotifyPrivilege	3604	taskhost.exe
Token: SeRemoteShutdownPrivilege	3604	taskhost.exe
Token: SeUndockPrivilege	3604	taskhost.exe
Token: SeManageVolumePrivilege	3604	taskhost.exe
Token: SeImpersonatePrivilege	3604	taskhost.exe
Token: SeCreateGlobalPrivilege	3604	taskhost.exe
Token: 33	3604	taskhost.exe
Token: 34	3604	taskhost.exe
Token: 35	3604	taskhost.exe
Token: 36	3604	taskhost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3604	taskhost.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 1392	4204	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	85
PID 4204 wrote to memory of 1392	4204	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	85
PID 4204 wrote to memory of 1392	4204	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	85
PID 4204 wrote to memory of 1392	4204	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	85
PID 4204 wrote to memory of 1392	4204	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	85
PID 4204 wrote to memory of 1392	4204	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	85
PID 4204 wrote to memory of 1392	4204	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	85
PID 4204 wrote to memory of 1392	4204	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	85
PID 4204 wrote to memory of 1392	4204	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	85
PID 4204 wrote to memory of 1392	4204	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	85
PID 4204 wrote to memory of 1392	4204	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	85
PID 4204 wrote to memory of 1392	4204	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	85
PID 4204 wrote to memory of 1392	4204	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	85
PID 4204 wrote to memory of 1392	4204	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	85
PID 1392 wrote to memory of 4724	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 1392 wrote to memory of 4724	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 1392 wrote to memory of 4724	1392	e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe	86
PID 4724 wrote to memory of 3604	4724	taskhost.exe	87
PID 4724 wrote to memory of 3604	4724	taskhost.exe	87
PID 4724 wrote to memory of 3604	4724	taskhost.exe	87
PID 4724 wrote to memory of 3604	4724	taskhost.exe	87
PID 4724 wrote to memory of 3604	4724	taskhost.exe	87
PID 4724 wrote to memory of 3604	4724	taskhost.exe	87
PID 4724 wrote to memory of 3604	4724	taskhost.exe	87
PID 4724 wrote to memory of 3604	4724	taskhost.exe	87
PID 4724 wrote to memory of 3604	4724	taskhost.exe	87
PID 4724 wrote to memory of 3604	4724	taskhost.exe	87
PID 4724 wrote to memory of 3604	4724	taskhost.exe	87
PID 4724 wrote to memory of 3604	4724	taskhost.exe	87
PID 4724 wrote to memory of 3604	4724	taskhost.exe	87
PID 4724 wrote to memory of 3604	4724	taskhost.exe	87

C:\Users\Admin\AppData\Local\Temp\e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
"C:\Users\Admin\AppData\Local\Temp\e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4204
- C:\Users\Admin\AppData\Local\Temp\e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1392
- - C:\Users\Admin\AppData\Local\Temp\Windows\taskhost.exe
    "C:\Users\Admin\AppData\Local\Temp\Windows\taskhost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4724
  - - C:\Users\Admin\AppData\Local\Temp\Windows\taskhost.exe
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:3604

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Windows\taskhost.exe

Filesize
686KB

MD5
012a1196493ab7f81db07c2bee6a0302

SHA1
4210c6b6036381428c5f74c6ef0eed02fb8926e2

SHA256
e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56

SHA512
60a4b7358df12e759b46632eb20f2c7c2874b8f62cab5b2ff7ea2656ec98257b3165404041c59d57ab4db3ebaef52bc9d01a022594bba8be0d13c67d57a0c3c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Windows\taskhost.exe

Filesize
686KB

MD5
012a1196493ab7f81db07c2bee6a0302

SHA1
4210c6b6036381428c5f74c6ef0eed02fb8926e2

SHA256
e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56

SHA512
60a4b7358df12e759b46632eb20f2c7c2874b8f62cab5b2ff7ea2656ec98257b3165404041c59d57ab4db3ebaef52bc9d01a022594bba8be0d13c67d57a0c3c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Windows\taskhost.exe

Filesize
686KB

MD5
012a1196493ab7f81db07c2bee6a0302

SHA1
4210c6b6036381428c5f74c6ef0eed02fb8926e2

SHA256
e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56

SHA512
60a4b7358df12e759b46632eb20f2c7c2874b8f62cab5b2ff7ea2656ec98257b3165404041c59d57ab4db3ebaef52bc9d01a022594bba8be0d13c67d57a0c3c9

Download Submit
memory/1392-139-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1392-147-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1392-133-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1392-140-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1392-141-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1392-144-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1392-145-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1392-134-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1392-137-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1392-135-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3604-164-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3604-166-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3604-167-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4204-146-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/4204-132-0x00000000752B0000-0x0000000075861000-memory.dmp

Filesize
5.7MB

Download
memory/4724-165-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads