darkcomet | e65037238450eabc137cd356dcc62b16db53db61531154e64ca00acfd00e0213

Analysis

max time kernel
30s
max time network
32s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-11-2024 03:38

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General

Target

yooo.exe
Size

658KB
MD5

677d14c29be05629a77415b842492b76
SHA1

6b491eca627cb457414262cc9d417fab81b4db67
SHA256

e65037238450eabc137cd356dcc62b16db53db61531154e64ca00acfd00e0213
SHA512

de64f10a8c41488d3c88bd5edeaf530954a762a0ee1b49873b82a45604a7e7eb91c18569f8dec23e1129f9b52a312b9992508d948e60ee85dc71f2d498285f3f
SSDEEP

12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h3:+Z1xuVVjfFoynPaVBUR8f+kN10EB5

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

10.211.55.25:1604

Mutex

DCMIN_MUTEX-410US0Y

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
41iAjvfv0Zir
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"	yooo.exe

Executes dropped EXE 1 IoCs

pid	Process
2480	IMDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
1628	yooo.exe
1628	yooo.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"	yooo.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	yooo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1628	yooo.exe
Token: SeSecurityPrivilege	1628	yooo.exe
Token: SeTakeOwnershipPrivilege	1628	yooo.exe
Token: SeLoadDriverPrivilege	1628	yooo.exe
Token: SeSystemProfilePrivilege	1628	yooo.exe
Token: SeSystemtimePrivilege	1628	yooo.exe
Token: SeProfSingleProcessPrivilege	1628	yooo.exe
Token: SeIncBasePriorityPrivilege	1628	yooo.exe
Token: SeCreatePagefilePrivilege	1628	yooo.exe
Token: SeBackupPrivilege	1628	yooo.exe
Token: SeRestorePrivilege	1628	yooo.exe
Token: SeShutdownPrivilege	1628	yooo.exe
Token: SeDebugPrivilege	1628	yooo.exe
Token: SeSystemEnvironmentPrivilege	1628	yooo.exe
Token: SeChangeNotifyPrivilege	1628	yooo.exe
Token: SeRemoteShutdownPrivilege	1628	yooo.exe
Token: SeUndockPrivilege	1628	yooo.exe
Token: SeManageVolumePrivilege	1628	yooo.exe
Token: SeImpersonatePrivilege	1628	yooo.exe
Token: SeCreateGlobalPrivilege	1628	yooo.exe
Token: 33	1628	yooo.exe
Token: 34	1628	yooo.exe
Token: 35	1628	yooo.exe
Token: SeIncreaseQuotaPrivilege	2480	IMDCSC.exe
Token: SeSecurityPrivilege	2480	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2480	IMDCSC.exe
Token: SeLoadDriverPrivilege	2480	IMDCSC.exe
Token: SeSystemProfilePrivilege	2480	IMDCSC.exe
Token: SeSystemtimePrivilege	2480	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2480	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2480	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2480	IMDCSC.exe
Token: SeBackupPrivilege	2480	IMDCSC.exe
Token: SeRestorePrivilege	2480	IMDCSC.exe
Token: SeShutdownPrivilege	2480	IMDCSC.exe
Token: SeDebugPrivilege	2480	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2480	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2480	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2480	IMDCSC.exe
Token: SeUndockPrivilege	2480	IMDCSC.exe
Token: SeManageVolumePrivilege	2480	IMDCSC.exe
Token: SeImpersonatePrivilege	2480	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2480	IMDCSC.exe
Token: 33	2480	IMDCSC.exe
Token: 34	2480	IMDCSC.exe
Token: 35	2480	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2480	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2480	1628	yooo.exe	31
PID 1628 wrote to memory of 2480	1628	yooo.exe	31
PID 1628 wrote to memory of 2480	1628	yooo.exe	31
PID 1628 wrote to memory of 2480	1628	yooo.exe	31

C:\Users\Admin\AppData\Local\Temp\yooo.exe
"C:\Users\Admin\AppData\Local\Temp\yooo.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:1628
- 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:2480

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
677d14c29be05629a77415b842492b76

SHA1
6b491eca627cb457414262cc9d417fab81b4db67

SHA256
e65037238450eabc137cd356dcc62b16db53db61531154e64ca00acfd00e0213

SHA512
de64f10a8c41488d3c88bd5edeaf530954a762a0ee1b49873b82a45604a7e7eb91c18569f8dec23e1129f9b52a312b9992508d948e60ee85dc71f2d498285f3f

Download Submit
memory/1628-0-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1628-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2480-10-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2480-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2480-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads