darkcomet | 42c9607f6336c880104a8e3e0b7ae046bf3d3547a904309e825c9f9bf01621b8

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18/03/2024, 15:15

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General

Target

d3d4a5e352ca9a305869985b29c8ae9c.exe
Size

456KB
MD5

d3d4a5e352ca9a305869985b29c8ae9c
SHA1

e6a10118e625382062ddefe47a0cdb8c29f44918
SHA256

42c9607f6336c880104a8e3e0b7ae046bf3d3547a904309e825c9f9bf01621b8
SHA512

5ff327bb312e4ac18fb23b641215bb3006398af7bcae9280d7743c4c5cec1542d87f046b10a1ea1fb15fc378697cda235c61a70c39a0f42d820b016796c8cfd4
SSDEEP

6144:lsHE8LiVlRm/2/0aRrsqvZqYB4Vl7LXPw6YFCTHJnm7fhhmjPGy6OKGF:yNGVlRmDadv0TV9Lfw3F0pmuaq

Score

10^/10

darkcomet persistence rat trojan upx

Malware Config

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

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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\Windows Live\\Push.exe"	d3d4a5e352ca9a305869985b29c8ae9c.exe

Executes dropped EXE 2 IoCs

pid	Process
2196	Push.exe
2500	Push.exe

Loads dropped DLL 2 IoCs

pid	Process
2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
2516	d3d4a5e352ca9a305869985b29c8ae9c.exe

UPX packed file 32 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2516-4-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2516-6-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2516-10-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2516-12-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2516-13-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2516-15-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2516-16-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2516-28-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-43-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-44-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-46-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-45-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-48-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-49-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-50-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-51-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-52-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-53-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-54-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-55-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-57-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-58-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-59-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-60-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-61-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-62-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-63-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-64-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-65-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-66-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-67-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2500-68-0x0000000000400000-0x00000000004C9000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\Apple Update = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\Windows Live\\Push.exe"	d3d4a5e352ca9a305869985b29c8ae9c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\Apple Update = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\Windows Live\\Push.exe"	Push.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2244 set thread context of 2516	2244	d3d4a5e352ca9a305869985b29c8ae9c.exe	28
PID 2196 set thread context of 2500	2196	Push.exe	30

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2500	Push.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeSecurityPrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeTakeOwnershipPrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeLoadDriverPrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeSystemProfilePrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeSystemtimePrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeProfSingleProcessPrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeIncBasePriorityPrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeCreatePagefilePrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeBackupPrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeRestorePrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeShutdownPrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeDebugPrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeSystemEnvironmentPrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeChangeNotifyPrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeRemoteShutdownPrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeUndockPrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeManageVolumePrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeImpersonatePrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeCreateGlobalPrivilege	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: 33	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: 34	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: 35	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe
Token: SeIncreaseQuotaPrivilege	2500	Push.exe
Token: SeSecurityPrivilege	2500	Push.exe
Token: SeTakeOwnershipPrivilege	2500	Push.exe
Token: SeLoadDriverPrivilege	2500	Push.exe
Token: SeSystemProfilePrivilege	2500	Push.exe
Token: SeSystemtimePrivilege	2500	Push.exe
Token: SeProfSingleProcessPrivilege	2500	Push.exe
Token: SeIncBasePriorityPrivilege	2500	Push.exe
Token: SeCreatePagefilePrivilege	2500	Push.exe
Token: SeBackupPrivilege	2500	Push.exe
Token: SeRestorePrivilege	2500	Push.exe
Token: SeShutdownPrivilege	2500	Push.exe
Token: SeDebugPrivilege	2500	Push.exe
Token: SeSystemEnvironmentPrivilege	2500	Push.exe
Token: SeChangeNotifyPrivilege	2500	Push.exe
Token: SeRemoteShutdownPrivilege	2500	Push.exe
Token: SeUndockPrivilege	2500	Push.exe
Token: SeManageVolumePrivilege	2500	Push.exe
Token: SeImpersonatePrivilege	2500	Push.exe
Token: SeCreateGlobalPrivilege	2500	Push.exe
Token: 33	2500	Push.exe
Token: 34	2500	Push.exe
Token: 35	2500	Push.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2244	d3d4a5e352ca9a305869985b29c8ae9c.exe
2196	Push.exe
2500	Push.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2516	2244	d3d4a5e352ca9a305869985b29c8ae9c.exe	28
PID 2244 wrote to memory of 2516	2244	d3d4a5e352ca9a305869985b29c8ae9c.exe	28
PID 2244 wrote to memory of 2516	2244	d3d4a5e352ca9a305869985b29c8ae9c.exe	28
PID 2244 wrote to memory of 2516	2244	d3d4a5e352ca9a305869985b29c8ae9c.exe	28
PID 2244 wrote to memory of 2516	2244	d3d4a5e352ca9a305869985b29c8ae9c.exe	28
PID 2244 wrote to memory of 2516	2244	d3d4a5e352ca9a305869985b29c8ae9c.exe	28
PID 2244 wrote to memory of 2516	2244	d3d4a5e352ca9a305869985b29c8ae9c.exe	28
PID 2244 wrote to memory of 2516	2244	d3d4a5e352ca9a305869985b29c8ae9c.exe	28
PID 2516 wrote to memory of 2196	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe	29
PID 2516 wrote to memory of 2196	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe	29
PID 2516 wrote to memory of 2196	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe	29
PID 2516 wrote to memory of 2196	2516	d3d4a5e352ca9a305869985b29c8ae9c.exe	29
PID 2196 wrote to memory of 2500	2196	Push.exe	30
PID 2196 wrote to memory of 2500	2196	Push.exe	30
PID 2196 wrote to memory of 2500	2196	Push.exe	30
PID 2196 wrote to memory of 2500	2196	Push.exe	30
PID 2196 wrote to memory of 2500	2196	Push.exe	30
PID 2196 wrote to memory of 2500	2196	Push.exe	30
PID 2196 wrote to memory of 2500	2196	Push.exe	30
PID 2196 wrote to memory of 2500	2196	Push.exe	30

C:\Users\Admin\AppData\Local\Temp\d3d4a5e352ca9a305869985b29c8ae9c.exe
"C:\Users\Admin\AppData\Local\Temp\d3d4a5e352ca9a305869985b29c8ae9c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\d3d4a5e352ca9a305869985b29c8ae9c.exe
  C:\Users\Admin\AppData\Local\Temp\d3d4a5e352ca9a305869985b29c8ae9c.exe
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Windows Live\Push.exe
    "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Windows Live\Push.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2196
  - - C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Windows Live\Push.exe
      "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Windows Live\Push.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2500

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Windows Live\Push.exe

Filesize
456KB

MD5
d3d4a5e352ca9a305869985b29c8ae9c

SHA1
e6a10118e625382062ddefe47a0cdb8c29f44918

SHA256
42c9607f6336c880104a8e3e0b7ae046bf3d3547a904309e825c9f9bf01621b8

SHA512
5ff327bb312e4ac18fb23b641215bb3006398af7bcae9280d7743c4c5cec1542d87f046b10a1ea1fb15fc378697cda235c61a70c39a0f42d820b016796c8cfd4

Download Submit
memory/2500-58-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-60-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-68-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-67-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-66-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-52-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-65-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-64-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-63-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-62-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-61-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-43-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-44-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-46-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-45-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-47-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2500-48-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-49-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-50-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-51-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-59-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-53-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-54-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-55-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2500-56-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2500-57-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2516-2-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2516-13-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2516-6-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2516-28-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2516-4-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2516-17-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2516-16-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2516-15-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2516-12-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2516-10-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2516-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads