darkcomet | f5a7df928fc8e2744b73b472387241dee8b487fdca53899066efb17f1e06bc99

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-10-2024 07:46

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General

Target

787f6e986c6f9c6c2afc48c3df3e83a6_JaffaCakes118.exe
Size

1.1MB
MD5

787f6e986c6f9c6c2afc48c3df3e83a6
SHA1

4d2e1b35b7c4769a9ed93b1a0e4cd3cfbb5e6af3
SHA256

f5a7df928fc8e2744b73b472387241dee8b487fdca53899066efb17f1e06bc99
SHA512

8e8859c8332f6ce074c74ae8d505494732e1acf1dc47ac075ba0efa38e6c99c0499cbdc2426958ad1d14f3731ca98b912165d59019ccfa11f27a51343ecb4cf6
SSDEEP

24576:Djl2k75OW1o6XUT78wHhXXPnCDK8W7sAvV+5Y6UaldoL:DjlPOW+O4o+hXXvCDKzIAc5FTY

Score

10^/10

darkcomet guest16 discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

moovlin.zapto.org:5150

moovlin.zapto.org:1604

Mutex

DC_MUTEX-0EHRVAE

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
8zYLczTosGzD
install
true
offline_keylogger
true
password
Beastmood
persistence
false
reg_key
MicroUpdate

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\\Documents\\MSDCSC\\msdcsc.exe"	12.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2012	attrib.exe
3280	attrib.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	787f6e986c6f9c6c2afc48c3df3e83a6_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	12.exe

Executes dropped EXE 2 IoCs

pid	Process
1436	12.exe
5092	msdcsc.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	12.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 7 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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	12.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.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

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1436	12.exe
Token: SeSecurityPrivilege	1436	12.exe
Token: SeTakeOwnershipPrivilege	1436	12.exe
Token: SeLoadDriverPrivilege	1436	12.exe
Token: SeSystemProfilePrivilege	1436	12.exe
Token: SeSystemtimePrivilege	1436	12.exe
Token: SeProfSingleProcessPrivilege	1436	12.exe
Token: SeIncBasePriorityPrivilege	1436	12.exe
Token: SeCreatePagefilePrivilege	1436	12.exe
Token: SeBackupPrivilege	1436	12.exe
Token: SeRestorePrivilege	1436	12.exe
Token: SeShutdownPrivilege	1436	12.exe
Token: SeDebugPrivilege	1436	12.exe
Token: SeSystemEnvironmentPrivilege	1436	12.exe
Token: SeChangeNotifyPrivilege	1436	12.exe
Token: SeRemoteShutdownPrivilege	1436	12.exe
Token: SeUndockPrivilege	1436	12.exe
Token: SeManageVolumePrivilege	1436	12.exe
Token: SeImpersonatePrivilege	1436	12.exe
Token: SeCreateGlobalPrivilege	1436	12.exe
Token: 33	1436	12.exe
Token: 34	1436	12.exe
Token: 35	1436	12.exe
Token: 36	1436	12.exe
Token: SeIncreaseQuotaPrivilege	5092	msdcsc.exe
Token: SeSecurityPrivilege	5092	msdcsc.exe
Token: SeTakeOwnershipPrivilege	5092	msdcsc.exe
Token: SeLoadDriverPrivilege	5092	msdcsc.exe
Token: SeSystemProfilePrivilege	5092	msdcsc.exe
Token: SeSystemtimePrivilege	5092	msdcsc.exe
Token: SeProfSingleProcessPrivilege	5092	msdcsc.exe
Token: SeIncBasePriorityPrivilege	5092	msdcsc.exe
Token: SeCreatePagefilePrivilege	5092	msdcsc.exe
Token: SeBackupPrivilege	5092	msdcsc.exe
Token: SeRestorePrivilege	5092	msdcsc.exe
Token: SeShutdownPrivilege	5092	msdcsc.exe
Token: SeDebugPrivilege	5092	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	5092	msdcsc.exe
Token: SeChangeNotifyPrivilege	5092	msdcsc.exe
Token: SeRemoteShutdownPrivilege	5092	msdcsc.exe
Token: SeUndockPrivilege	5092	msdcsc.exe
Token: SeManageVolumePrivilege	5092	msdcsc.exe
Token: SeImpersonatePrivilege	5092	msdcsc.exe
Token: SeCreateGlobalPrivilege	5092	msdcsc.exe
Token: 33	5092	msdcsc.exe
Token: 34	5092	msdcsc.exe
Token: 35	5092	msdcsc.exe
Token: 36	5092	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5092	msdcsc.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 1436	1404	787f6e986c6f9c6c2afc48c3df3e83a6_JaffaCakes118.exe	85
PID 1404 wrote to memory of 1436	1404	787f6e986c6f9c6c2afc48c3df3e83a6_JaffaCakes118.exe	85
PID 1404 wrote to memory of 1436	1404	787f6e986c6f9c6c2afc48c3df3e83a6_JaffaCakes118.exe	85
PID 1436 wrote to memory of 3576	1436	12.exe	88
PID 1436 wrote to memory of 3576	1436	12.exe	88
PID 1436 wrote to memory of 3576	1436	12.exe	88
PID 1436 wrote to memory of 856	1436	12.exe	90
PID 1436 wrote to memory of 856	1436	12.exe	90
PID 1436 wrote to memory of 856	1436	12.exe	90
PID 1436 wrote to memory of 5092	1436	12.exe	92
PID 1436 wrote to memory of 5092	1436	12.exe	92
PID 1436 wrote to memory of 5092	1436	12.exe	92
PID 3576 wrote to memory of 2012	3576	cmd.exe	93
PID 3576 wrote to memory of 2012	3576	cmd.exe	93
PID 3576 wrote to memory of 2012	3576	cmd.exe	93
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 5092 wrote to memory of 1156	5092	msdcsc.exe	94
PID 856 wrote to memory of 3280	856	cmd.exe	95
PID 856 wrote to memory of 3280	856	cmd.exe	95
PID 856 wrote to memory of 3280	856	cmd.exe	95

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2012	attrib.exe
3280	attrib.exe

C:\Users\Admin\AppData\Local\Temp\787f6e986c6f9c6c2afc48c3df3e83a6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\787f6e986c6f9c6c2afc48c3df3e83a6_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Users\Admin\AppData\Roaming\12.exe
  "C:\Users\Admin\AppData\Roaming\12.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1436
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Roaming\12.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3576
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Roaming\12.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2012
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Roaming" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:856
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Roaming" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:3280
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:5092
  - - C:\Windows\SysWOW64\notepad.exe
      notepad
      4⤵
      System Location Discovery: System Language Discovery
      PID:1156

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

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

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Downloads

C:\Users\Admin\AppData\Roaming\12.exe

Filesize
658KB

MD5
5f2b8a8d2df0438bfed5fea72634b145

SHA1
97988f9d0a35c52dcfb8977934f4af45ef496a94

SHA256
7fd2a953c959fcad6919d74ff8cca375ef04ec54071b58a0120e067f067ded7c

SHA512
3130e979f473f02ac82f47a9b34012fd10f41a995555f74efdad28b89f61043fcff3e8de31850844233cc3ce7e119b2a7e45f3bd1b4b9ac177c0cffc267802c2

Download Submit
memory/1156-30-0x00000000012D0000-0x00000000012D1000-memory.dmp

Filesize
4KB

Download
memory/1404-0-0x00007FF9184C3000-0x00007FF9184C5000-memory.dmp

Filesize
8KB

Download
memory/1404-1-0x0000000000FD0000-0x0000000000FFE000-memory.dmp

Filesize
184KB

Download
memory/1404-2-0x00007FF9184C0000-0x00007FF918F81000-memory.dmp

Filesize
10.8MB

Download
memory/1404-16-0x00007FF9184C0000-0x00007FF918F81000-memory.dmp

Filesize
10.8MB

Download
memory/1436-17-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download
memory/1436-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5092-34-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5092-39-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5092-32-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5092-35-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5092-36-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5092-37-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5092-38-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5092-33-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5092-40-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5092-41-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5092-42-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5092-43-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5092-44-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5092-45-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads