darkcomet | 418740d0bbbdc900894a3de2b4c2896c2b4543193c0a3a51e0c7f0bcc8e16792

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
12-12-2024 09:23

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General

Target

e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Size

756KB
MD5

e5b8400ac68b0749202bb46d6d105f72
SHA1

6af923fd0225eaf469fd5d907c922cbbb53043fd
SHA256

418740d0bbbdc900894a3de2b4c2896c2b4543193c0a3a51e0c7f0bcc8e16792
SHA512

0adf194cc9923a64b1b59fc56d6d989d24cd853242b8bef421fc331a2f4d0a277e9e817f08516539f573005ec0e4d8802ccb3dbc1a1b8d1cb862e86a1699dda2
SSDEEP

12288:79HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hobZR7:1Z1xuVVjfFoynPaVBUR8f+kN10EBgZR7

Score

10^/10

darkcomet guest16 discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

jemjem787.no-ip.org:200

Mutex

DC_MUTEX-KPNBLJ3

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
KarCEp7ccZHl
install
true
offline_keylogger
true
persistence
true
reg_key
rundll32

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\\MSDCSC\\msdcsc.exe"	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

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

Windows security bypass 2 TTPs 1 IoCs

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"	msdcsc.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
2816	attrib.exe
2152	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2920	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe

Windows security modification 2 TTPs 1 IoCs

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"	msdcsc.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	msdcsc.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	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2920	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeSecurityPrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeBackupPrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeRestorePrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeShutdownPrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeDebugPrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeUndockPrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: 33	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: 34	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: 35	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2920	msdcsc.exe
Token: SeSecurityPrivilege	2920	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2920	msdcsc.exe
Token: SeLoadDriverPrivilege	2920	msdcsc.exe
Token: SeSystemProfilePrivilege	2920	msdcsc.exe
Token: SeSystemtimePrivilege	2920	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2920	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2920	msdcsc.exe
Token: SeCreatePagefilePrivilege	2920	msdcsc.exe
Token: SeBackupPrivilege	2920	msdcsc.exe
Token: SeRestorePrivilege	2920	msdcsc.exe
Token: SeShutdownPrivilege	2920	msdcsc.exe
Token: SeDebugPrivilege	2920	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2920	msdcsc.exe
Token: SeChangeNotifyPrivilege	2920	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2920	msdcsc.exe
Token: SeUndockPrivilege	2920	msdcsc.exe
Token: SeManageVolumePrivilege	2920	msdcsc.exe
Token: SeImpersonatePrivilege	2920	msdcsc.exe
Token: SeCreateGlobalPrivilege	2920	msdcsc.exe
Token: 33	2920	msdcsc.exe
Token: 34	2920	msdcsc.exe
Token: 35	2920	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2920	msdcsc.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2668	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2668	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2668	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2668	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2700	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe	32
PID 2148 wrote to memory of 2700	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe	32
PID 2148 wrote to memory of 2700	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe	32
PID 2148 wrote to memory of 2700	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe	32
PID 2700 wrote to memory of 2152	2700	cmd.exe	35
PID 2700 wrote to memory of 2152	2700	cmd.exe	35
PID 2700 wrote to memory of 2152	2700	cmd.exe	35
PID 2700 wrote to memory of 2152	2700	cmd.exe	35
PID 2668 wrote to memory of 2816	2668	cmd.exe	36
PID 2668 wrote to memory of 2816	2668	cmd.exe	36
PID 2668 wrote to memory of 2816	2668	cmd.exe	36
PID 2668 wrote to memory of 2816	2668	cmd.exe	36
PID 2148 wrote to memory of 2920	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe	37
PID 2148 wrote to memory of 2920	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe	37
PID 2148 wrote to memory of 2920	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe	37
PID 2148 wrote to memory of 2920	2148	e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe	37
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38
PID 2920 wrote to memory of 2604	2920	msdcsc.exe	38

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2816	attrib.exe
2152	attrib.exe

C:\Users\Admin\AppData\Local\Temp\e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2668
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\e5b8400ac68b0749202bb46d6d105f72_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2816
- 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:2700
- - 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:2152
- C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
  "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies security service
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2604

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

C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe

Filesize
756KB

MD5
e5b8400ac68b0749202bb46d6d105f72

SHA1
6af923fd0225eaf469fd5d907c922cbbb53043fd

SHA256
418740d0bbbdc900894a3de2b4c2896c2b4543193c0a3a51e0c7f0bcc8e16792

SHA512
0adf194cc9923a64b1b59fc56d6d989d24cd853242b8bef421fc331a2f4d0a277e9e817f08516539f573005ec0e4d8802ccb3dbc1a1b8d1cb862e86a1699dda2

Download Submit
memory/2148-0-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2148-52-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2604-51-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/2604-13-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2920-56-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2920-60-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2920-55-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2920-53-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2920-57-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2920-58-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2920-59-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2920-54-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2920-61-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2920-62-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2920-63-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2920-64-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2920-65-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2920-66-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads