darkcomet | 8ecb10af9238d2b7b2739d8294d2d817e1c90e801787b39c353f24e955d7889d

Analysis

max time kernel
43s
max time network
48s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17/11/2024, 03:45

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General

Target

yooooooooooooooooooooooooooo.exe
Size

658KB
MD5

16970261ab090fc0df7e9124f9758d5c
SHA1

04316b859eaa6b0894c5eb749a618ddc86d31ea5
SHA256

8ecb10af9238d2b7b2739d8294d2d817e1c90e801787b39c353f24e955d7889d
SHA512

31096688a7b24636eb39d21660a40749d26783ed90c279647bbb29a04bc2548bda9fe08a6f9d2de9a41802db3c9f3693fb68c6ddeb8daa3bf8b0ceb52578ec4c
SSDEEP

12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hV:eZ1xuVVjfFoynPaVBUR8f+kN10EBD

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

181.215.176.83:1604

Mutex

DCMIN_MUTEX-36BW6A0

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
6NrT9l1sLVPo
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"	yooooooooooooooooooooooooooo.exe

Executes dropped EXE 1 IoCs

pid	Process
1732	IMDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
2100	yooooooooooooooooooooooooooo.exe
2100	yooooooooooooooooooooooooooo.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	yooooooooooooooooooooooooooo.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	yooooooooooooooooooooooooooo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeSecurityPrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeTakeOwnershipPrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeLoadDriverPrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeSystemProfilePrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeSystemtimePrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeProfSingleProcessPrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeIncBasePriorityPrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeCreatePagefilePrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeBackupPrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeRestorePrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeShutdownPrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeDebugPrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeSystemEnvironmentPrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeChangeNotifyPrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeRemoteShutdownPrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeUndockPrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeManageVolumePrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeImpersonatePrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: SeCreateGlobalPrivilege	2100	yooooooooooooooooooooooooooo.exe
Token: 33	2100	yooooooooooooooooooooooooooo.exe
Token: 34	2100	yooooooooooooooooooooooooooo.exe
Token: 35	2100	yooooooooooooooooooooooooooo.exe
Token: SeIncreaseQuotaPrivilege	1732	IMDCSC.exe
Token: SeSecurityPrivilege	1732	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	1732	IMDCSC.exe
Token: SeLoadDriverPrivilege	1732	IMDCSC.exe
Token: SeSystemProfilePrivilege	1732	IMDCSC.exe
Token: SeSystemtimePrivilege	1732	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	1732	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	1732	IMDCSC.exe
Token: SeCreatePagefilePrivilege	1732	IMDCSC.exe
Token: SeBackupPrivilege	1732	IMDCSC.exe
Token: SeRestorePrivilege	1732	IMDCSC.exe
Token: SeShutdownPrivilege	1732	IMDCSC.exe
Token: SeDebugPrivilege	1732	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	1732	IMDCSC.exe
Token: SeChangeNotifyPrivilege	1732	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	1732	IMDCSC.exe
Token: SeUndockPrivilege	1732	IMDCSC.exe
Token: SeManageVolumePrivilege	1732	IMDCSC.exe
Token: SeImpersonatePrivilege	1732	IMDCSC.exe
Token: SeCreateGlobalPrivilege	1732	IMDCSC.exe
Token: 33	1732	IMDCSC.exe
Token: 34	1732	IMDCSC.exe
Token: 35	1732	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1732	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 1732	2100	yooooooooooooooooooooooooooo.exe	31
PID 2100 wrote to memory of 1732	2100	yooooooooooooooooooooooooooo.exe	31
PID 2100 wrote to memory of 1732	2100	yooooooooooooooooooooooooooo.exe	31
PID 2100 wrote to memory of 1732	2100	yooooooooooooooooooooooooooo.exe	31

C:\Users\Admin\AppData\Local\Temp\yooooooooooooooooooooooooooo.exe
"C:\Users\Admin\AppData\Local\Temp\yooooooooooooooooooooooooooo.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:2100
- 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:1732

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

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

Filesize
658KB

MD5
16970261ab090fc0df7e9124f9758d5c

SHA1
04316b859eaa6b0894c5eb749a618ddc86d31ea5

SHA256
8ecb10af9238d2b7b2739d8294d2d817e1c90e801787b39c353f24e955d7889d

SHA512
31096688a7b24636eb39d21660a40749d26783ed90c279647bbb29a04bc2548bda9fe08a6f9d2de9a41802db3c9f3693fb68c6ddeb8daa3bf8b0ceb52578ec4c

Download Submit
memory/1732-10-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/1732-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1732-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1732-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2100-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2100-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads