darkcomet | ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663

Analysis

max time kernel
171s
max time network
173s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11-10-2022 19:26

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General

Target

ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Size

658KB
MD5

13be32acc3d6ae3c866094a3bcd853d3
SHA1

83edcb30bb68b3812d26bdcab7759923088cc764
SHA256

ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663
SHA512

123d2d07fe4124f2f82560f6ba79f3107b76b36e20de5bec384c75b52149470cf16599db12385c0d4a3c85d2f9d1f59446bae2578c2bfb2aa123f281c88d2f4e
SSDEEP

12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLd9Ek5C/h3:eZ1xuVVjfFoynPaVBUR8f+kN1PEBt

Score

10^/10

darkcomet guest16_min persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

anbr.no-ip.biz:1604

Mutex

DCMIN_MUTEX-GFJEFSF

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
RutLKXvxgcms
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"	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe

Executes dropped EXE 1 IoCs

pid	Process
1364	IMDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.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	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeSecurityPrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeTakeOwnershipPrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeLoadDriverPrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeSystemProfilePrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeSystemtimePrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeProfSingleProcessPrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeIncBasePriorityPrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeCreatePagefilePrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeBackupPrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeRestorePrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeShutdownPrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeDebugPrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeSystemEnvironmentPrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeChangeNotifyPrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeRemoteShutdownPrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeUndockPrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeManageVolumePrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeImpersonatePrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeCreateGlobalPrivilege	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: 33	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: 34	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: 35	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
Token: SeIncreaseQuotaPrivilege	1364	IMDCSC.exe
Token: SeSecurityPrivilege	1364	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	1364	IMDCSC.exe
Token: SeLoadDriverPrivilege	1364	IMDCSC.exe
Token: SeSystemProfilePrivilege	1364	IMDCSC.exe
Token: SeSystemtimePrivilege	1364	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	1364	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	1364	IMDCSC.exe
Token: SeCreatePagefilePrivilege	1364	IMDCSC.exe
Token: SeBackupPrivilege	1364	IMDCSC.exe
Token: SeRestorePrivilege	1364	IMDCSC.exe
Token: SeShutdownPrivilege	1364	IMDCSC.exe
Token: SeDebugPrivilege	1364	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	1364	IMDCSC.exe
Token: SeChangeNotifyPrivilege	1364	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	1364	IMDCSC.exe
Token: SeUndockPrivilege	1364	IMDCSC.exe
Token: SeManageVolumePrivilege	1364	IMDCSC.exe
Token: SeImpersonatePrivilege	1364	IMDCSC.exe
Token: SeCreateGlobalPrivilege	1364	IMDCSC.exe
Token: 33	1364	IMDCSC.exe
Token: 34	1364	IMDCSC.exe
Token: 35	1364	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1364	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 1364	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe	27
PID 1196 wrote to memory of 1364	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe	27
PID 1196 wrote to memory of 1364	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe	27
PID 1196 wrote to memory of 1364	1196	ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe	27

C:\Users\Admin\AppData\Local\Temp\ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe
"C:\Users\Admin\AppData\Local\Temp\ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1196
- 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:1364

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
13be32acc3d6ae3c866094a3bcd853d3

SHA1
83edcb30bb68b3812d26bdcab7759923088cc764

SHA256
ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663

SHA512
123d2d07fe4124f2f82560f6ba79f3107b76b36e20de5bec384c75b52149470cf16599db12385c0d4a3c85d2f9d1f59446bae2578c2bfb2aa123f281c88d2f4e

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

Filesize
658KB

MD5
13be32acc3d6ae3c866094a3bcd853d3

SHA1
83edcb30bb68b3812d26bdcab7759923088cc764

SHA256
ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663

SHA512
123d2d07fe4124f2f82560f6ba79f3107b76b36e20de5bec384c75b52149470cf16599db12385c0d4a3c85d2f9d1f59446bae2578c2bfb2aa123f281c88d2f4e

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

Filesize
658KB

MD5
13be32acc3d6ae3c866094a3bcd853d3

SHA1
83edcb30bb68b3812d26bdcab7759923088cc764

SHA256
ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663

SHA512
123d2d07fe4124f2f82560f6ba79f3107b76b36e20de5bec384c75b52149470cf16599db12385c0d4a3c85d2f9d1f59446bae2578c2bfb2aa123f281c88d2f4e

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

Filesize
658KB

MD5
13be32acc3d6ae3c866094a3bcd853d3

SHA1
83edcb30bb68b3812d26bdcab7759923088cc764

SHA256
ea0b5518b9786582919612b1f57f93c646791e69a1b0ac9dae23d762d5280663

SHA512
123d2d07fe4124f2f82560f6ba79f3107b76b36e20de5bec384c75b52149470cf16599db12385c0d4a3c85d2f9d1f59446bae2578c2bfb2aa123f281c88d2f4e

Download Submit
memory/1196-54-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

Filesize
8KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads