darkcomet | f5a7df928fc8e2744b73b472387241dee8b487fdca53899066efb17f1e06bc99

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
1012	attrib.exe
1232	attrib.exe

Executes dropped EXE 2 IoCs

pid	Process
2680	12.exe
1340	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2680	12.exe
2680	12.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-1-5-21-2872745919-2748461613-2989606286-1000\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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
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

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2680	12.exe
Token: SeSecurityPrivilege	2680	12.exe
Token: SeTakeOwnershipPrivilege	2680	12.exe
Token: SeLoadDriverPrivilege	2680	12.exe
Token: SeSystemProfilePrivilege	2680	12.exe
Token: SeSystemtimePrivilege	2680	12.exe
Token: SeProfSingleProcessPrivilege	2680	12.exe
Token: SeIncBasePriorityPrivilege	2680	12.exe
Token: SeCreatePagefilePrivilege	2680	12.exe
Token: SeBackupPrivilege	2680	12.exe
Token: SeRestorePrivilege	2680	12.exe
Token: SeShutdownPrivilege	2680	12.exe
Token: SeDebugPrivilege	2680	12.exe
Token: SeSystemEnvironmentPrivilege	2680	12.exe
Token: SeChangeNotifyPrivilege	2680	12.exe
Token: SeRemoteShutdownPrivilege	2680	12.exe
Token: SeUndockPrivilege	2680	12.exe
Token: SeManageVolumePrivilege	2680	12.exe
Token: SeImpersonatePrivilege	2680	12.exe
Token: SeCreateGlobalPrivilege	2680	12.exe
Token: 33	2680	12.exe
Token: 34	2680	12.exe
Token: 35	2680	12.exe
Token: SeIncreaseQuotaPrivilege	1340	msdcsc.exe
Token: SeSecurityPrivilege	1340	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1340	msdcsc.exe
Token: SeLoadDriverPrivilege	1340	msdcsc.exe
Token: SeSystemProfilePrivilege	1340	msdcsc.exe
Token: SeSystemtimePrivilege	1340	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1340	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1340	msdcsc.exe
Token: SeCreatePagefilePrivilege	1340	msdcsc.exe
Token: SeBackupPrivilege	1340	msdcsc.exe
Token: SeRestorePrivilege	1340	msdcsc.exe
Token: SeShutdownPrivilege	1340	msdcsc.exe
Token: SeDebugPrivilege	1340	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1340	msdcsc.exe
Token: SeChangeNotifyPrivilege	1340	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1340	msdcsc.exe
Token: SeUndockPrivilege	1340	msdcsc.exe
Token: SeManageVolumePrivilege	1340	msdcsc.exe
Token: SeImpersonatePrivilege	1340	msdcsc.exe
Token: SeCreateGlobalPrivilege	1340	msdcsc.exe
Token: 33	1340	msdcsc.exe
Token: 34	1340	msdcsc.exe
Token: 35	1340	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1340	msdcsc.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 2680	1352	787f6e986c6f9c6c2afc48c3df3e83a6_JaffaCakes118.exe	30
PID 1352 wrote to memory of 2680	1352	787f6e986c6f9c6c2afc48c3df3e83a6_JaffaCakes118.exe	30
PID 1352 wrote to memory of 2680	1352	787f6e986c6f9c6c2afc48c3df3e83a6_JaffaCakes118.exe	30
PID 1352 wrote to memory of 2680	1352	787f6e986c6f9c6c2afc48c3df3e83a6_JaffaCakes118.exe	30
PID 2680 wrote to memory of 3016	2680	12.exe	32
PID 2680 wrote to memory of 3016	2680	12.exe	32
PID 2680 wrote to memory of 3016	2680	12.exe	32
PID 2680 wrote to memory of 3016	2680	12.exe	32
PID 2680 wrote to memory of 2880	2680	12.exe	33
PID 2680 wrote to memory of 2880	2680	12.exe	33
PID 2680 wrote to memory of 2880	2680	12.exe	33
PID 2680 wrote to memory of 2880	2680	12.exe	33
PID 2680 wrote to memory of 1340	2680	12.exe	34
PID 2680 wrote to memory of 1340	2680	12.exe	34
PID 2680 wrote to memory of 1340	2680	12.exe	34
PID 2680 wrote to memory of 1340	2680	12.exe	34
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 1340 wrote to memory of 2712	1340	msdcsc.exe	37
PID 2880 wrote to memory of 1012	2880	cmd.exe	38
PID 2880 wrote to memory of 1012	2880	cmd.exe	38
PID 2880 wrote to memory of 1012	2880	cmd.exe	38
PID 2880 wrote to memory of 1012	2880	cmd.exe	38
PID 3016 wrote to memory of 1232	3016	cmd.exe	39
PID 3016 wrote to memory of 1232	3016	cmd.exe	39
PID 3016 wrote to memory of 1232	3016	cmd.exe	39
PID 3016 wrote to memory of 1232	3016	cmd.exe	39

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1012	attrib.exe
1232	attrib.exe

C:\Users\Admin\AppData\Local\Temp\787f6e986c6f9c6c2afc48c3df3e83a6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\787f6e986c6f9c6c2afc48c3df3e83a6_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Users\Admin\AppData\Roaming\12.exe
  "C:\Users\Admin\AppData\Roaming\12.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:2680
- - 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:3016
  - - 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:1232
- - 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:2880
  - - 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:1012
- - 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:1340
  - - C:\Windows\SysWOW64\notepad.exe
      notepad
      4⤵
      System Location Discovery: System Language Discovery
      PID:2712

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

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/1340-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1340-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1340-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1340-68-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1340-78-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1340-77-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1340-76-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1340-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1340-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1340-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1340-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1340-79-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1340-66-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1340-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1352-1-0x0000000000220000-0x000000000024E000-memory.dmp

Filesize
184KB

Download
memory/1352-2-0x000007FEF6260000-0x000007FEF6C4C000-memory.dmp

Filesize
9.9MB

Download
memory/1352-0-0x000007FEF6263000-0x000007FEF6264000-memory.dmp

Filesize
4KB

Download
memory/1352-24-0x000007FEF6260000-0x000007FEF6C4C000-memory.dmp

Filesize
9.9MB

Download
memory/1352-12-0x000000001A750000-0x000000001A760000-memory.dmp

Filesize
64KB

Download
memory/2680-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2680-11-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2712-26-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2712-64-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads