darkcomet | 1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149

General

Target

1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Size

1.8MB
MD5

0bc80e3f6ad2c99a3de2b517f92c1e9f
SHA1

9f7c4f75160dc2323ae52e49ea919a9ef877ff94
SHA256

1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149
SHA512

3d53358558212b4e1f445ca4fe966f77a4389f546dc3fe9dfcac6e0043b92e488bb814b2a508a608355e41afc01b119b0694e414870aae3edcabd6d83c9cd6a9
SSDEEP

49152:kbCjPKNqQzMMnWqTMMnWqPMMnWqPMMnWqXHkIWujhKYG:cCjPKNpMMnWqTMMnWqPMMnWqPMMnWqQ

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-WPS720K

Attributes

gencode
T9rQ1w5MJ8Qh
install
false
offline_keylogger
true
persistence
false

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\\SysWOW64\\Userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft Maintenance\\WinData.exe"	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe

Loads dropped DLL 1 IoCs

pid	Process
1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Microsoft Corporation = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Ind\\boot.lnk,explorer.exe"	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Microsoft Corporation = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Ind\\boot.lnk"	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0009000000012326-55.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1352 set thread context of 952	1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe	27

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeSecurityPrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeTakeOwnershipPrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeLoadDriverPrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeSystemProfilePrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeSystemtimePrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeProfSingleProcessPrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeIncBasePriorityPrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeCreatePagefilePrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeBackupPrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeRestorePrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeShutdownPrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeDebugPrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeSystemEnvironmentPrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeChangeNotifyPrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeRemoteShutdownPrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeUndockPrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeManageVolumePrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeImpersonatePrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: SeCreateGlobalPrivilege	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: 33	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: 34	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
Token: 35	952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
952	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 952	1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe	27
PID 1352 wrote to memory of 952	1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe	27
PID 1352 wrote to memory of 952	1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe	27
PID 1352 wrote to memory of 952	1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe	27
PID 1352 wrote to memory of 952	1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe	27
PID 1352 wrote to memory of 952	1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe	27
PID 1352 wrote to memory of 952	1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe	27
PID 1352 wrote to memory of 952	1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe	27
PID 1352 wrote to memory of 952	1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe	27
PID 1352 wrote to memory of 952	1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe	27
PID 1352 wrote to memory of 952	1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe	27
PID 1352 wrote to memory of 952	1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe	27
PID 1352 wrote to memory of 952	1352	1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe	27

C:\Users\Admin\AppData\Local\Temp\1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
"C:\Users\Admin\AppData\Local\Temp\1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Users\Admin\AppData\Local\Temp\1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe
  "C:\Users\Admin\AppData\Local\Temp\1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:952

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\Windows\1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149.exe

Filesize
1.8MB

MD5
0bc80e3f6ad2c99a3de2b517f92c1e9f

SHA1
9f7c4f75160dc2323ae52e49ea919a9ef877ff94

SHA256
1a2dfe526795d8075f4b22d15a3bbc69d460013c4146bb769f9fd2518fbae149

SHA512
3d53358558212b4e1f445ca4fe966f77a4389f546dc3fe9dfcac6e0043b92e488bb814b2a508a608355e41afc01b119b0694e414870aae3edcabd6d83c9cd6a9

Download Submit
memory/952-68-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/952-66-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/952-57-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/952-59-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/952-61-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/952-63-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/952-56-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/952-76-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/952-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/952-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/952-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/952-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/952-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1352-54-0x0000000075071000-0x0000000075073000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads