darkcomet | 3c6458d4198685245d3d9e84728605fe1828ce58b4dfe3bc3877f36147d010ca

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
23/02/2025, 08:27

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General

Target

JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Size

692KB
MD5

1fa63b91fdf9b131613425603f53e4c4
SHA1

22604ae2ea1f289123effacaab65c9f2e53aacd0
SHA256

3c6458d4198685245d3d9e84728605fe1828ce58b4dfe3bc3877f36147d010ca
SHA512

745f40dcbbccfe109fd6abee1c92e6ca293193a726919a689f05af6bf18ac4b746264701ba45a9a52449221ead3b94a6c24b1b280a639b2f231b94cc38ca1755
SSDEEP

12288:YXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Uy:enAw2WWeFcfbP9VPSPMTSPL/rWvzq4JC

Score

10^/10

darkcomet serveur1 defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

serveur1

mtltesthost.no-ip.biz:81

mtltesthost.no-ip.biz:1604

Mutex

DC_MUTEX-MURFSM7

Attributes

InstallPath
MSDCSC\winupdate.exe
gencode
tQLs41ntgNEp
install
true
offline_keylogger
true
password
dandy.s.am
persistence
true
reg_key
winupdate

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:\\Windows\\MSDCSC\\winupdate.exe"	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe

Modifies security service 2 TTPs 1 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	winupdate.exe

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winupdate.exe

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2768	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2944	winupdate.exe

Loads dropped DLL 4 IoCs

pid	Process
2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
2944	winupdate.exe
2944	winupdate.exe
2944	winupdate.exe

Windows security modification 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winupdate.exe

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-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdate = "C:\\Windows\\MSDCSC\\winupdate.exe"	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdate = "C:\\Windows\\MSDCSC\\winupdate.exe"	winupdate.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\MSDCSC\winupdate.exe	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
File opened for modification	C:\Windows\MSDCSC\winupdate.exe	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
File opened for modification	C:\Windows\MSDCSC\	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.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 5 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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.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	winupdate.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeSecurityPrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeTakeOwnershipPrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeLoadDriverPrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeSystemProfilePrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeSystemtimePrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeProfSingleProcessPrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeIncBasePriorityPrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeCreatePagefilePrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeBackupPrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeRestorePrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeShutdownPrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeDebugPrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeSystemEnvironmentPrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeChangeNotifyPrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeRemoteShutdownPrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeUndockPrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeManageVolumePrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeImpersonatePrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeCreateGlobalPrivilege	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: 33	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: 34	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: 35	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
Token: SeIncreaseQuotaPrivilege	2944	winupdate.exe
Token: SeSecurityPrivilege	2944	winupdate.exe
Token: SeTakeOwnershipPrivilege	2944	winupdate.exe
Token: SeLoadDriverPrivilege	2944	winupdate.exe
Token: SeSystemProfilePrivilege	2944	winupdate.exe
Token: SeSystemtimePrivilege	2944	winupdate.exe
Token: SeProfSingleProcessPrivilege	2944	winupdate.exe
Token: SeIncBasePriorityPrivilege	2944	winupdate.exe
Token: SeCreatePagefilePrivilege	2944	winupdate.exe
Token: SeBackupPrivilege	2944	winupdate.exe
Token: SeRestorePrivilege	2944	winupdate.exe
Token: SeShutdownPrivilege	2944	winupdate.exe
Token: SeDebugPrivilege	2944	winupdate.exe
Token: SeSystemEnvironmentPrivilege	2944	winupdate.exe
Token: SeChangeNotifyPrivilege	2944	winupdate.exe
Token: SeRemoteShutdownPrivilege	2944	winupdate.exe
Token: SeUndockPrivilege	2944	winupdate.exe
Token: SeManageVolumePrivilege	2944	winupdate.exe
Token: SeImpersonatePrivilege	2944	winupdate.exe
Token: SeCreateGlobalPrivilege	2944	winupdate.exe
Token: 33	2944	winupdate.exe
Token: 34	2944	winupdate.exe
Token: 35	2944	winupdate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2944	winupdate.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 1712	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe	31
PID 2076 wrote to memory of 1712	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe	31
PID 2076 wrote to memory of 1712	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe	31
PID 2076 wrote to memory of 1712	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe	31
PID 1712 wrote to memory of 2768	1712	cmd.exe	33
PID 1712 wrote to memory of 2768	1712	cmd.exe	33
PID 1712 wrote to memory of 2768	1712	cmd.exe	33
PID 1712 wrote to memory of 2768	1712	cmd.exe	33
PID 2076 wrote to memory of 2944	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe	34
PID 2076 wrote to memory of 2944	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe	34
PID 2076 wrote to memory of 2944	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe	34
PID 2076 wrote to memory of 2944	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe	34
PID 2076 wrote to memory of 2944	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe	34
PID 2076 wrote to memory of 2944	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe	34
PID 2076 wrote to memory of 2944	2076	JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe	34
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35
PID 2944 wrote to memory of 2684	2944	winupdate.exe	35

System policy modification 1 TTPs 3 IoCs

defense_evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	winupdate.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	winupdate.exe

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2768	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fa63b91fdf9b131613425603f53e4c4.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1712
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2768
- C:\Windows\MSDCSC\winupdate.exe
  "C:\Windows\MSDCSC\winupdate.exe"
  2⤵
  - Modifies security service
  - Windows security bypass
  - Executes dropped EXE
  - Loads dropped DLL
  - Windows security modification
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2944
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2684

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\MSDCSC\winupdate.exe

Filesize
692KB

MD5
1fa63b91fdf9b131613425603f53e4c4

SHA1
22604ae2ea1f289123effacaab65c9f2e53aacd0

SHA256
3c6458d4198685245d3d9e84728605fe1828ce58b4dfe3bc3877f36147d010ca

SHA512
745f40dcbbccfe109fd6abee1c92e6ca293193a726919a689f05af6bf18ac4b746264701ba45a9a52449221ead3b94a6c24b1b280a639b2f231b94cc38ca1755

Download Submit
memory/2076-0-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2076-9-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2684-13-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2684-51-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2944-55-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2944-59-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2944-54-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2944-52-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2944-56-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2944-57-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2944-58-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2944-53-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2944-60-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2944-61-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2944-62-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2944-63-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2944-64-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2944-65-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads