darkcomet | 27c5ea836ffb52bf22df29e039b102a7f1a402ff3e0d7a6925a628999fe575a2

Analysis

max time kernel
150s
max time network
128s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29/03/2025, 18:11

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_9069fa248edbd51b9843512162454a21.exe
Size

1.8MB
MD5

9069fa248edbd51b9843512162454a21
SHA1

523ba0b8402e82e1686e38ba53f8c76fd77565e6
SHA256

27c5ea836ffb52bf22df29e039b102a7f1a402ff3e0d7a6925a628999fe575a2
SHA512

f6b3b9bc5b262d47f366763045d3f2fc166bd6a7140f70599c9cab94106643f4071784618d5f58c95490bc2fb60bcca0b61f859a415d7d19ce21347125537899
SSDEEP

12288:s64Kj0aD6XuBq9LZZwnIOGyU2FeAN6Ypbf1qAm0gW7SllD6WKFGv8X34G4OjcIps:36+cSFt5SWGycIjgH0HZsVQN6

Score

10^/10

darkcomet guest16 defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

servicedevice.no-ip.org:1232

Mutex

DC_MUTEX-2T9L5UJ

Attributes

InstallPath
MSoft\smss.exe
gencode
j6TrhCffXJTX
install
true
offline_keylogger
true
password
123456789
persistence
false
reg_key
Microsoft � Co- operation �

rc4.plain

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\\AppData\\Local\\Temp\\MSoft\\smss.exe"	947.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2620	attrib.exe
2808	attrib.exe

Executes dropped EXE 2 IoCs

pid	Process
2200	947.exe
2704	smss.exe

Loads dropped DLL 2 IoCs

pid	Process
2200	947.exe
2200	947.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft ® Co- operation © = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSoft\\smss.exe"	947.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 2656	2704	smss.exe	39

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\installer\{ac76ba86-7ad7-1033-7b44-a90000000001}\pdffile_8.ico	explorer.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 8 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	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	947.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	smss.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2836	explorer.exe
2656	iexplore.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2200	947.exe
Token: SeSecurityPrivilege	2200	947.exe
Token: SeTakeOwnershipPrivilege	2200	947.exe
Token: SeLoadDriverPrivilege	2200	947.exe
Token: SeSystemProfilePrivilege	2200	947.exe
Token: SeSystemtimePrivilege	2200	947.exe
Token: SeProfSingleProcessPrivilege	2200	947.exe
Token: SeIncBasePriorityPrivilege	2200	947.exe
Token: SeCreatePagefilePrivilege	2200	947.exe
Token: SeBackupPrivilege	2200	947.exe
Token: SeRestorePrivilege	2200	947.exe
Token: SeShutdownPrivilege	2200	947.exe
Token: SeDebugPrivilege	2200	947.exe
Token: SeSystemEnvironmentPrivilege	2200	947.exe
Token: SeChangeNotifyPrivilege	2200	947.exe
Token: SeRemoteShutdownPrivilege	2200	947.exe
Token: SeUndockPrivilege	2200	947.exe
Token: SeManageVolumePrivilege	2200	947.exe
Token: SeImpersonatePrivilege	2200	947.exe
Token: SeCreateGlobalPrivilege	2200	947.exe
Token: 33	2200	947.exe
Token: 34	2200	947.exe
Token: 35	2200	947.exe
Token: SeIncreaseQuotaPrivilege	2704	smss.exe
Token: SeSecurityPrivilege	2704	smss.exe
Token: SeTakeOwnershipPrivilege	2704	smss.exe
Token: SeLoadDriverPrivilege	2704	smss.exe
Token: SeSystemProfilePrivilege	2704	smss.exe
Token: SeSystemtimePrivilege	2704	smss.exe
Token: SeProfSingleProcessPrivilege	2704	smss.exe
Token: SeIncBasePriorityPrivilege	2704	smss.exe
Token: SeCreatePagefilePrivilege	2704	smss.exe
Token: SeBackupPrivilege	2704	smss.exe
Token: SeRestorePrivilege	2704	smss.exe
Token: SeShutdownPrivilege	2704	smss.exe
Token: SeDebugPrivilege	2704	smss.exe
Token: SeSystemEnvironmentPrivilege	2704	smss.exe
Token: SeChangeNotifyPrivilege	2704	smss.exe
Token: SeRemoteShutdownPrivilege	2704	smss.exe
Token: SeUndockPrivilege	2704	smss.exe
Token: SeManageVolumePrivilege	2704	smss.exe
Token: SeImpersonatePrivilege	2704	smss.exe
Token: SeCreateGlobalPrivilege	2704	smss.exe
Token: 33	2704	smss.exe
Token: 34	2704	smss.exe
Token: 35	2704	smss.exe
Token: SeIncreaseQuotaPrivilege	2656	iexplore.exe
Token: SeSecurityPrivilege	2656	iexplore.exe
Token: SeTakeOwnershipPrivilege	2656	iexplore.exe
Token: SeLoadDriverPrivilege	2656	iexplore.exe
Token: SeSystemProfilePrivilege	2656	iexplore.exe
Token: SeSystemtimePrivilege	2656	iexplore.exe
Token: SeProfSingleProcessPrivilege	2656	iexplore.exe
Token: SeIncBasePriorityPrivilege	2656	iexplore.exe
Token: SeCreatePagefilePrivilege	2656	iexplore.exe
Token: SeBackupPrivilege	2656	iexplore.exe
Token: SeRestorePrivilege	2656	iexplore.exe
Token: SeShutdownPrivilege	2656	iexplore.exe
Token: SeDebugPrivilege	2656	iexplore.exe
Token: SeSystemEnvironmentPrivilege	2656	iexplore.exe
Token: SeChangeNotifyPrivilege	2656	iexplore.exe
Token: SeRemoteShutdownPrivilege	2656	iexplore.exe
Token: SeUndockPrivilege	2656	iexplore.exe
Token: SeManageVolumePrivilege	2656	iexplore.exe

Suspicious use of FindShellTrayWindow 29 IoCs

pid	Process
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe

Suspicious use of SendNotifyMessage 22 IoCs

pid	Process
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2656	iexplore.exe

Suspicious use of WriteProcessMemory 53 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2200	2536	JaffaCakes118_9069fa248edbd51b9843512162454a21.exe	31
PID 2536 wrote to memory of 2200	2536	JaffaCakes118_9069fa248edbd51b9843512162454a21.exe	31
PID 2536 wrote to memory of 2200	2536	JaffaCakes118_9069fa248edbd51b9843512162454a21.exe	31
PID 2536 wrote to memory of 2200	2536	JaffaCakes118_9069fa248edbd51b9843512162454a21.exe	31
PID 2200 wrote to memory of 2868	2200	947.exe	32
PID 2200 wrote to memory of 2868	2200	947.exe	32
PID 2200 wrote to memory of 2868	2200	947.exe	32
PID 2200 wrote to memory of 2868	2200	947.exe	32
PID 2200 wrote to memory of 2752	2200	947.exe	34
PID 2200 wrote to memory of 2752	2200	947.exe	34
PID 2200 wrote to memory of 2752	2200	947.exe	34
PID 2200 wrote to memory of 2752	2200	947.exe	34
PID 2752 wrote to memory of 2620	2752	cmd.exe	36
PID 2752 wrote to memory of 2620	2752	cmd.exe	36
PID 2752 wrote to memory of 2620	2752	cmd.exe	36
PID 2752 wrote to memory of 2620	2752	cmd.exe	36
PID 2868 wrote to memory of 2808	2868	cmd.exe	37
PID 2868 wrote to memory of 2808	2868	cmd.exe	37
PID 2868 wrote to memory of 2808	2868	cmd.exe	37
PID 2868 wrote to memory of 2808	2868	cmd.exe	37
PID 2200 wrote to memory of 2704	2200	947.exe	38
PID 2200 wrote to memory of 2704	2200	947.exe	38
PID 2200 wrote to memory of 2704	2200	947.exe	38
PID 2200 wrote to memory of 2704	2200	947.exe	38
PID 2704 wrote to memory of 2656	2704	smss.exe	39
PID 2704 wrote to memory of 2656	2704	smss.exe	39
PID 2704 wrote to memory of 2656	2704	smss.exe	39
PID 2704 wrote to memory of 2656	2704	smss.exe	39
PID 2704 wrote to memory of 2656	2704	smss.exe	39
PID 2704 wrote to memory of 2656	2704	smss.exe	39
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40
PID 2656 wrote to memory of 3060	2656	iexplore.exe	40

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2620	attrib.exe
2808	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9069fa248edbd51b9843512162454a21.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9069fa248edbd51b9843512162454a21.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Local\Temp\947.exe
  C:\Users\Admin\AppData\Local\Temp\947.exe
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\947.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2868
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\947.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2808
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2752
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2620
- - C:\Users\Admin\AppData\Local\Temp\MSoft\smss.exe
    "C:\Users\Admin\AppData\Local\Temp\MSoft\smss.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2704
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2656
    - - C:\Windows\SysWOW64\notepad.exe
        
        notepad
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3060

C:\Windows\explorer.exe
explorer.exe
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\947.exe

Filesize
690KB

MD5
b8ca3366ae8d8fcad042a9adc8849090

SHA1
8549b049837d20014c5835063e946eef0bba7366

SHA256
4135bf82080ae54c4187f155142824b544f707b927f7ea1667d273a8d0fb9a3c

SHA512
029ade93e6f92275f289103f3d863ed025c7a72685825b2340cd42080e4259eeec698bd5a7637804eea83b95bc493c3783a699eaed619e01456a2b99b3cc9770

Download Submit
memory/2200-9-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2200-25-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2536-0-0x000007FEF58FE000-0x000007FEF58FF000-memory.dmp

Filesize
4KB

Download
memory/2536-2-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2536-8-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2536-13-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2656-23-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2704-24-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2836-68-0x0000000002780000-0x0000000002790000-memory.dmp

Filesize
64KB

Download
memory/3060-26-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/3060-64-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads