darkcomet | dd854470625e083c3c2c03f54b0298d9f1afdbf2b6ada4eba2cf75178a33ec48

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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

Executes dropped EXE 1 IoCs

pid	Process
2680	IMDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
2820	092.exe
2820	092.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-1-5-21-312935884-697965778-3955649944-1000\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 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2820	092.exe
Token: SeSecurityPrivilege	2820	092.exe
Token: SeTakeOwnershipPrivilege	2820	092.exe
Token: SeLoadDriverPrivilege	2820	092.exe
Token: SeSystemProfilePrivilege	2820	092.exe
Token: SeSystemtimePrivilege	2820	092.exe
Token: SeProfSingleProcessPrivilege	2820	092.exe
Token: SeIncBasePriorityPrivilege	2820	092.exe
Token: SeCreatePagefilePrivilege	2820	092.exe
Token: SeBackupPrivilege	2820	092.exe
Token: SeRestorePrivilege	2820	092.exe
Token: SeShutdownPrivilege	2820	092.exe
Token: SeDebugPrivilege	2820	092.exe
Token: SeSystemEnvironmentPrivilege	2820	092.exe
Token: SeChangeNotifyPrivilege	2820	092.exe
Token: SeRemoteShutdownPrivilege	2820	092.exe
Token: SeUndockPrivilege	2820	092.exe
Token: SeManageVolumePrivilege	2820	092.exe
Token: SeImpersonatePrivilege	2820	092.exe
Token: SeCreateGlobalPrivilege	2820	092.exe
Token: 33	2820	092.exe
Token: 34	2820	092.exe
Token: 35	2820	092.exe
Token: SeIncreaseQuotaPrivilege	2680	IMDCSC.exe
Token: SeSecurityPrivilege	2680	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2680	IMDCSC.exe
Token: SeLoadDriverPrivilege	2680	IMDCSC.exe
Token: SeSystemProfilePrivilege	2680	IMDCSC.exe
Token: SeSystemtimePrivilege	2680	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2680	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2680	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2680	IMDCSC.exe
Token: SeBackupPrivilege	2680	IMDCSC.exe
Token: SeRestorePrivilege	2680	IMDCSC.exe
Token: SeShutdownPrivilege	2680	IMDCSC.exe
Token: SeDebugPrivilege	2680	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2680	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2680	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2680	IMDCSC.exe
Token: SeUndockPrivilege	2680	IMDCSC.exe
Token: SeManageVolumePrivilege	2680	IMDCSC.exe
Token: SeImpersonatePrivilege	2680	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2680	IMDCSC.exe
Token: 33	2680	IMDCSC.exe
Token: 34	2680	IMDCSC.exe
Token: 35	2680	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2680	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 2680	2820	092.exe	30
PID 2820 wrote to memory of 2680	2820	092.exe	30
PID 2820 wrote to memory of 2680	2820	092.exe	30
PID 2820 wrote to memory of 2680	2820	092.exe	30

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
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2820
- 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:2680

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

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/2680-10-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2680-14-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2680-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2680-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2820-0-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2820-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads