darkcomet | ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a

Analysis

max time kernel
153s
max time network
31s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01/12/2022, 00:04

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General

Target

ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Size

658KB
MD5

6743c3af23a7b9cde82f9da7e5e1ebf0
SHA1

a7459a29a14d3b0928d92c21ebcfcbfc59075552
SHA256

ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a
SHA512

7fefd9bd0a8ebf0d558999e8a708d537742eb17e6cf25c1d8a070ab93f0c11e0715d8620e840041fa2539332372743eab0421203fb82f9eead612e390af800e2
SSDEEP

12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hW:eZ1xuVVjfFoynPaVBUR8f+kN10EB0

Score

10^/10

darkcomet guest16_min persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

sadaasdsa.zapto.org:1604

Mutex

DCMIN_MUTEX-TG2ME37

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
sralynTxJKJH
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

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\\DCSCMIN\\IMDCSC.exe"	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe

Executes dropped EXE 1 IoCs

pid	Process
1140	IMDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeSecurityPrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeTakeOwnershipPrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeLoadDriverPrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeSystemProfilePrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeSystemtimePrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeProfSingleProcessPrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeIncBasePriorityPrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeCreatePagefilePrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeBackupPrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeRestorePrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeShutdownPrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeDebugPrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeSystemEnvironmentPrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeChangeNotifyPrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeRemoteShutdownPrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeUndockPrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeManageVolumePrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeImpersonatePrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeCreateGlobalPrivilege	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: 33	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: 34	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: 35	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
Token: SeIncreaseQuotaPrivilege	1140	IMDCSC.exe
Token: SeSecurityPrivilege	1140	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	1140	IMDCSC.exe
Token: SeLoadDriverPrivilege	1140	IMDCSC.exe
Token: SeSystemProfilePrivilege	1140	IMDCSC.exe
Token: SeSystemtimePrivilege	1140	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	1140	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	1140	IMDCSC.exe
Token: SeCreatePagefilePrivilege	1140	IMDCSC.exe
Token: SeBackupPrivilege	1140	IMDCSC.exe
Token: SeRestorePrivilege	1140	IMDCSC.exe
Token: SeShutdownPrivilege	1140	IMDCSC.exe
Token: SeDebugPrivilege	1140	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	1140	IMDCSC.exe
Token: SeChangeNotifyPrivilege	1140	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	1140	IMDCSC.exe
Token: SeUndockPrivilege	1140	IMDCSC.exe
Token: SeManageVolumePrivilege	1140	IMDCSC.exe
Token: SeImpersonatePrivilege	1140	IMDCSC.exe
Token: SeCreateGlobalPrivilege	1140	IMDCSC.exe
Token: 33	1140	IMDCSC.exe
Token: 34	1140	IMDCSC.exe
Token: 35	1140	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1140	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 1140	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe	28
PID 1104 wrote to memory of 1140	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe	28
PID 1104 wrote to memory of 1140	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe	28
PID 1104 wrote to memory of 1140	1104	ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe	28

C:\Users\Admin\AppData\Local\Temp\ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe
"C:\Users\Admin\AppData\Local\Temp\ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
  "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1140

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
658KB

MD5
6743c3af23a7b9cde82f9da7e5e1ebf0

SHA1
a7459a29a14d3b0928d92c21ebcfcbfc59075552

SHA256
ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a

SHA512
7fefd9bd0a8ebf0d558999e8a708d537742eb17e6cf25c1d8a070ab93f0c11e0715d8620e840041fa2539332372743eab0421203fb82f9eead612e390af800e2

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

Filesize
658KB

MD5
6743c3af23a7b9cde82f9da7e5e1ebf0

SHA1
a7459a29a14d3b0928d92c21ebcfcbfc59075552

SHA256
ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a

SHA512
7fefd9bd0a8ebf0d558999e8a708d537742eb17e6cf25c1d8a070ab93f0c11e0715d8620e840041fa2539332372743eab0421203fb82f9eead612e390af800e2

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

Filesize
658KB

MD5
6743c3af23a7b9cde82f9da7e5e1ebf0

SHA1
a7459a29a14d3b0928d92c21ebcfcbfc59075552

SHA256
ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a

SHA512
7fefd9bd0a8ebf0d558999e8a708d537742eb17e6cf25c1d8a070ab93f0c11e0715d8620e840041fa2539332372743eab0421203fb82f9eead612e390af800e2

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

Filesize
658KB

MD5
6743c3af23a7b9cde82f9da7e5e1ebf0

SHA1
a7459a29a14d3b0928d92c21ebcfcbfc59075552

SHA256
ef52cf9250deb3bec8caa37697234766f689fd63107c88fd87ba49888121bd5a

SHA512
7fefd9bd0a8ebf0d558999e8a708d537742eb17e6cf25c1d8a070ab93f0c11e0715d8620e840041fa2539332372743eab0421203fb82f9eead612e390af800e2

Download Submit
memory/1104-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads