darkcomet | dd854470625e083c3c2c03f54b0298d9f1afdbf2b6ada4eba2cf75178a33ec48

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 06:09

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General

Target

yara_detected/092.exe
Size

658KB
MD5

91478eaa8eec1087df8b4a7650cbbd5c
SHA1

cbc5c097c8a254232aac8b130798aac322524085
SHA256

203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1
SHA512

9b4bbc8275b3c9d0604272a1d94cf8adec0be70120ff039af363a307271881384addf481c9a6c667354a36cb368e369680d0db245d3b4f86f178f9eb5e27cdb7
SSDEEP

12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hs:eZ1xuVVjfFoynPaVBUR8f+kN10EBi

Score

10^/10

darkcomet mikebail discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

mikebail

99.235.66.71:1604

Mutex

DCMIN_MUTEX-XRCKYMB

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
ho2A6rzZ04Hk
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

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\\DCSCMIN\\IMDCSC.exe"	092.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	092.exe

Executes dropped EXE 1 IoCs

pid	Process
4152	IMDCSC.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	092.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	092.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4120	092.exe
Token: SeSecurityPrivilege	4120	092.exe
Token: SeTakeOwnershipPrivilege	4120	092.exe
Token: SeLoadDriverPrivilege	4120	092.exe
Token: SeSystemProfilePrivilege	4120	092.exe
Token: SeSystemtimePrivilege	4120	092.exe
Token: SeProfSingleProcessPrivilege	4120	092.exe
Token: SeIncBasePriorityPrivilege	4120	092.exe
Token: SeCreatePagefilePrivilege	4120	092.exe
Token: SeBackupPrivilege	4120	092.exe
Token: SeRestorePrivilege	4120	092.exe
Token: SeShutdownPrivilege	4120	092.exe
Token: SeDebugPrivilege	4120	092.exe
Token: SeSystemEnvironmentPrivilege	4120	092.exe
Token: SeChangeNotifyPrivilege	4120	092.exe
Token: SeRemoteShutdownPrivilege	4120	092.exe
Token: SeUndockPrivilege	4120	092.exe
Token: SeManageVolumePrivilege	4120	092.exe
Token: SeImpersonatePrivilege	4120	092.exe
Token: SeCreateGlobalPrivilege	4120	092.exe
Token: 33	4120	092.exe
Token: 34	4120	092.exe
Token: 35	4120	092.exe
Token: 36	4120	092.exe
Token: SeIncreaseQuotaPrivilege	4152	IMDCSC.exe
Token: SeSecurityPrivilege	4152	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	4152	IMDCSC.exe
Token: SeLoadDriverPrivilege	4152	IMDCSC.exe
Token: SeSystemProfilePrivilege	4152	IMDCSC.exe
Token: SeSystemtimePrivilege	4152	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	4152	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	4152	IMDCSC.exe
Token: SeCreatePagefilePrivilege	4152	IMDCSC.exe
Token: SeBackupPrivilege	4152	IMDCSC.exe
Token: SeRestorePrivilege	4152	IMDCSC.exe
Token: SeShutdownPrivilege	4152	IMDCSC.exe
Token: SeDebugPrivilege	4152	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	4152	IMDCSC.exe
Token: SeChangeNotifyPrivilege	4152	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	4152	IMDCSC.exe
Token: SeUndockPrivilege	4152	IMDCSC.exe
Token: SeManageVolumePrivilege	4152	IMDCSC.exe
Token: SeImpersonatePrivilege	4152	IMDCSC.exe
Token: SeCreateGlobalPrivilege	4152	IMDCSC.exe
Token: 33	4152	IMDCSC.exe
Token: 34	4152	IMDCSC.exe
Token: 35	4152	IMDCSC.exe
Token: 36	4152	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4152	IMDCSC.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 4152	4120	092.exe	82
PID 4120 wrote to memory of 4152	4120	092.exe	82
PID 4120 wrote to memory of 4152	4120	092.exe	82

C:\Users\Admin\AppData\Local\Temp\yara_detected\092.exe
"C:\Users\Admin\AppData\Local\Temp\yara_detected\092.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4120
- C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
  "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
658KB

MD5
91478eaa8eec1087df8b4a7650cbbd5c

SHA1
cbc5c097c8a254232aac8b130798aac322524085

SHA256
203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1

SHA512
9b4bbc8275b3c9d0604272a1d94cf8adec0be70120ff039af363a307271881384addf481c9a6c667354a36cb368e369680d0db245d3b4f86f178f9eb5e27cdb7

Download Submit
memory/4120-0-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/4120-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4152-12-0x00000000021D0000-0x00000000021D1000-memory.dmp

Filesize
4KB

Download
memory/4152-15-0x00000000021D0000-0x00000000021D1000-memory.dmp

Filesize
4KB

Download
memory/4152-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4152-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads