darkcomet | 59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30

Analysis

max time kernel
189s
max time network
237s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 09:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Size

785KB
MD5

4695d2497f5b72d147ad34dc7b54140d
SHA1

b46f3852b6a164d7de2f2e2a7a536470c4f344ae
SHA256

59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30
SHA512

9daf6e0726d232f3173a9b0ed3f28fccb3310e1e69c132ba5a611db420b15250fe622951ec773819442bbe8a6e17d422f3a9256ce4148d60b1966ae37e3280bd
SSDEEP

12288:te/4ed1gLqODJXXn3n0kZJk+vZi3G0khHCpp1tlAhpxz:4/nsqOJXnkk/k2wW064dlY

Score

10^/10

darkcomet spy persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Spy

127.0.0.1:1604

nibiru3.duckdns.org:1604

nibiru33.duckdns.org:1604

Mutex

DC_MUTEX-QE733CL

Attributes

InstallPath
MSDCSC\Audio Realtek Driver.exe
gencode
R3iDnMXzRFHM
install
true
offline_keylogger
true
persistence
true
reg_key
Audio Realtek Driver

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\\Documents\\MSDCSC\\Audio Realtek Driver.exe"	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe

Executes dropped EXE 2 IoCs

pid	Process
1004	Audio Realtek Driver.exe
540	Audio Realtek Driver.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Audio Realtek Driver = "C:\\Users\\Admin\\Documents\\MSDCSC\\Audio Realtek Driver.exe"	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Audio Realtek Driver = "C:\\Users\\Admin\\Documents\\MSDCSC\\Audio Realtek Driver.exe"	Audio Realtek Driver.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 216 set thread context of 3672	216	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	83
PID 1004 set thread context of 540	1004	Audio Realtek Driver.exe	87

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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

description	pid	Process
Token: SeDebugPrivilege	216	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeIncreaseQuotaPrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeSecurityPrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeTakeOwnershipPrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeLoadDriverPrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeSystemProfilePrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeSystemtimePrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeProfSingleProcessPrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeIncBasePriorityPrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeCreatePagefilePrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeBackupPrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeRestorePrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeShutdownPrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeDebugPrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeSystemEnvironmentPrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeChangeNotifyPrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeRemoteShutdownPrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeUndockPrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeManageVolumePrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeImpersonatePrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeCreateGlobalPrivilege	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: 33	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: 34	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: 35	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: 36	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
Token: SeDebugPrivilege	1004	Audio Realtek Driver.exe
Token: SeIncreaseQuotaPrivilege	540	Audio Realtek Driver.exe
Token: SeSecurityPrivilege	540	Audio Realtek Driver.exe
Token: SeTakeOwnershipPrivilege	540	Audio Realtek Driver.exe
Token: SeLoadDriverPrivilege	540	Audio Realtek Driver.exe
Token: SeSystemProfilePrivilege	540	Audio Realtek Driver.exe
Token: SeSystemtimePrivilege	540	Audio Realtek Driver.exe
Token: SeProfSingleProcessPrivilege	540	Audio Realtek Driver.exe
Token: SeIncBasePriorityPrivilege	540	Audio Realtek Driver.exe
Token: SeCreatePagefilePrivilege	540	Audio Realtek Driver.exe
Token: SeBackupPrivilege	540	Audio Realtek Driver.exe
Token: SeRestorePrivilege	540	Audio Realtek Driver.exe
Token: SeShutdownPrivilege	540	Audio Realtek Driver.exe
Token: SeDebugPrivilege	540	Audio Realtek Driver.exe
Token: SeSystemEnvironmentPrivilege	540	Audio Realtek Driver.exe
Token: SeChangeNotifyPrivilege	540	Audio Realtek Driver.exe
Token: SeRemoteShutdownPrivilege	540	Audio Realtek Driver.exe
Token: SeUndockPrivilege	540	Audio Realtek Driver.exe
Token: SeManageVolumePrivilege	540	Audio Realtek Driver.exe
Token: SeImpersonatePrivilege	540	Audio Realtek Driver.exe
Token: SeCreateGlobalPrivilege	540	Audio Realtek Driver.exe
Token: 33	540	Audio Realtek Driver.exe
Token: 34	540	Audio Realtek Driver.exe
Token: 35	540	Audio Realtek Driver.exe
Token: 36	540	Audio Realtek Driver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
540	Audio Realtek Driver.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 216 wrote to memory of 3672	216	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	83
PID 216 wrote to memory of 3672	216	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	83
PID 216 wrote to memory of 3672	216	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	83
PID 216 wrote to memory of 3672	216	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	83
PID 216 wrote to memory of 3672	216	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	83
PID 216 wrote to memory of 3672	216	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	83
PID 216 wrote to memory of 3672	216	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	83
PID 216 wrote to memory of 3672	216	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	83
PID 216 wrote to memory of 3672	216	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	83
PID 216 wrote to memory of 3672	216	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	83
PID 216 wrote to memory of 3672	216	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	83
PID 216 wrote to memory of 3672	216	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	83
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 5008	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	84
PID 3672 wrote to memory of 1004	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	86
PID 3672 wrote to memory of 1004	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	86
PID 3672 wrote to memory of 1004	3672	59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe	86
PID 1004 wrote to memory of 540	1004	Audio Realtek Driver.exe	87
PID 1004 wrote to memory of 540	1004	Audio Realtek Driver.exe	87
PID 1004 wrote to memory of 540	1004	Audio Realtek Driver.exe	87
PID 1004 wrote to memory of 540	1004	Audio Realtek Driver.exe	87
PID 1004 wrote to memory of 540	1004	Audio Realtek Driver.exe	87
PID 1004 wrote to memory of 540	1004	Audio Realtek Driver.exe	87
PID 1004 wrote to memory of 540	1004	Audio Realtek Driver.exe	87
PID 1004 wrote to memory of 540	1004	Audio Realtek Driver.exe	87
PID 1004 wrote to memory of 540	1004	Audio Realtek Driver.exe	87
PID 1004 wrote to memory of 540	1004	Audio Realtek Driver.exe	87
PID 1004 wrote to memory of 540	1004	Audio Realtek Driver.exe	87
PID 1004 wrote to memory of 540	1004	Audio Realtek Driver.exe	87
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88
PID 540 wrote to memory of 4224	540	Audio Realtek Driver.exe	88

C:\Users\Admin\AppData\Local\Temp\59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
"C:\Users\Admin\AppData\Local\Temp\59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:216
- C:\Users\Admin\AppData\Local\Temp\59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe
  "C:\Users\Admin\AppData\Local\Temp\59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3672
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    PID:5008
- - C:\Users\Admin\Documents\MSDCSC\Audio Realtek Driver.exe
    "C:\Users\Admin\Documents\MSDCSC\Audio Realtek Driver.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1004
  - - C:\Users\Admin\Documents\MSDCSC\Audio Realtek Driver.exe
      "C:\Users\Admin\Documents\MSDCSC\Audio Realtek Driver.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:540
    - - C:\Windows\SysWOW64\notepad.exe
        
        notepad
        5⤵
        
        PID:4224

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\Documents\MSDCSC\Audio Realtek Driver.exe

Filesize
785KB

MD5
4695d2497f5b72d147ad34dc7b54140d

SHA1
b46f3852b6a164d7de2f2e2a7a536470c4f344ae

SHA256
59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30

SHA512
9daf6e0726d232f3173a9b0ed3f28fccb3310e1e69c132ba5a611db420b15250fe622951ec773819442bbe8a6e17d422f3a9256ce4148d60b1966ae37e3280bd

Download Submit
C:\Users\Admin\Documents\MSDCSC\Audio Realtek Driver.exe

Filesize
785KB

MD5
4695d2497f5b72d147ad34dc7b54140d

SHA1
b46f3852b6a164d7de2f2e2a7a536470c4f344ae

SHA256
59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30

SHA512
9daf6e0726d232f3173a9b0ed3f28fccb3310e1e69c132ba5a611db420b15250fe622951ec773819442bbe8a6e17d422f3a9256ce4148d60b1966ae37e3280bd

Download Submit
C:\Users\Admin\Documents\MSDCSC\Audio Realtek Driver.exe

Filesize
785KB

MD5
4695d2497f5b72d147ad34dc7b54140d

SHA1
b46f3852b6a164d7de2f2e2a7a536470c4f344ae

SHA256
59ca328456e4b599732fc4e01a03979a1275c509ccb976758946366e84cb5b30

SHA512
9daf6e0726d232f3173a9b0ed3f28fccb3310e1e69c132ba5a611db420b15250fe622951ec773819442bbe8a6e17d422f3a9256ce4148d60b1966ae37e3280bd

Download Submit
memory/216-133-0x0000000000560000-0x000000000062A000-memory.dmp

Filesize
808KB

Download
memory/540-150-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/540-149-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3672-136-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3672-139-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3672-137-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3672-135-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads