darkcomet | 27e663cc439cf3ff7b2f66260a851c8cf0ea5292d259bd1c22171685017dbd4c

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05/02/2025, 19:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Size

828KB
MD5

a31d59e190008f0a3a2abc334c6ce9f9
SHA1

37456e8559512dff814b09f9ca3710517148f8f2
SHA256

27e663cc439cf3ff7b2f66260a851c8cf0ea5292d259bd1c22171685017dbd4c
SHA512

47bdeb93ec8e8b659d3279c43524b4410bb91fc8b96e6f3a8044f189d91269b9e0d3fa236063f2fc05c12cf73777079f6e84f4b935e8122c095e85e525b49d75
SSDEEP

24576:Gqv5LEymyQvPvS8cZTouk1wRhZ2Bq8aChQ:GqBL1AXvA0B1lw8/hQ

Score

10^/10

darkcomet bootkit discovery persistence rat trojan

Malware Config

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"	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe

Executes dropped EXE 3 IoCs

pid	Process
2688	msdcsc.exe
2680	msdcsc.exe
692	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.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\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
File opened for modification	\??\PhysicalDrive0	msdcsc.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 3036	1996	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	29
PID 3036 set thread context of 2792	3036	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	30
PID 2688 set thread context of 2680	2688	msdcsc.exe	32
PID 2680 set thread context of 692	2680	msdcsc.exe	33

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 6 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	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeSecurityPrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeTakeOwnershipPrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeLoadDriverPrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeSystemProfilePrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeSystemtimePrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeProfSingleProcessPrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeIncBasePriorityPrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeCreatePagefilePrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeBackupPrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeRestorePrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeShutdownPrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeDebugPrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeSystemEnvironmentPrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeChangeNotifyPrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeRemoteShutdownPrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeUndockPrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeManageVolumePrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeImpersonatePrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeCreateGlobalPrivilege	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: 33	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: 34	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: 35	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
Token: SeIncreaseQuotaPrivilege	692	msdcsc.exe
Token: SeSecurityPrivilege	692	msdcsc.exe
Token: SeTakeOwnershipPrivilege	692	msdcsc.exe
Token: SeLoadDriverPrivilege	692	msdcsc.exe
Token: SeSystemProfilePrivilege	692	msdcsc.exe
Token: SeSystemtimePrivilege	692	msdcsc.exe
Token: SeProfSingleProcessPrivilege	692	msdcsc.exe
Token: SeIncBasePriorityPrivilege	692	msdcsc.exe
Token: SeCreatePagefilePrivilege	692	msdcsc.exe
Token: SeBackupPrivilege	692	msdcsc.exe
Token: SeRestorePrivilege	692	msdcsc.exe
Token: SeShutdownPrivilege	692	msdcsc.exe
Token: SeDebugPrivilege	692	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	692	msdcsc.exe
Token: SeChangeNotifyPrivilege	692	msdcsc.exe
Token: SeRemoteShutdownPrivilege	692	msdcsc.exe
Token: SeUndockPrivilege	692	msdcsc.exe
Token: SeManageVolumePrivilege	692	msdcsc.exe
Token: SeImpersonatePrivilege	692	msdcsc.exe
Token: SeCreateGlobalPrivilege	692	msdcsc.exe
Token: 33	692	msdcsc.exe
Token: 34	692	msdcsc.exe
Token: 35	692	msdcsc.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1996	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
3036	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
2688	msdcsc.exe
2680	msdcsc.exe
692	msdcsc.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 3036	1996	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	29
PID 1996 wrote to memory of 3036	1996	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	29
PID 1996 wrote to memory of 3036	1996	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	29
PID 1996 wrote to memory of 3036	1996	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	29
PID 1996 wrote to memory of 3036	1996	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	29
PID 1996 wrote to memory of 3036	1996	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	29
PID 1996 wrote to memory of 3036	1996	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	29
PID 1996 wrote to memory of 3036	1996	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	29
PID 1996 wrote to memory of 3036	1996	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	29
PID 3036 wrote to memory of 2792	3036	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	30
PID 3036 wrote to memory of 2792	3036	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	30
PID 3036 wrote to memory of 2792	3036	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	30
PID 3036 wrote to memory of 2792	3036	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	30
PID 3036 wrote to memory of 2792	3036	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	30
PID 3036 wrote to memory of 2792	3036	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	30
PID 3036 wrote to memory of 2792	3036	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	30
PID 3036 wrote to memory of 2792	3036	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	30
PID 3036 wrote to memory of 2792	3036	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	30
PID 3036 wrote to memory of 2792	3036	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	30
PID 3036 wrote to memory of 2792	3036	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	30
PID 3036 wrote to memory of 2792	3036	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	30
PID 3036 wrote to memory of 2792	3036	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	30
PID 2792 wrote to memory of 2688	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	31
PID 2792 wrote to memory of 2688	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	31
PID 2792 wrote to memory of 2688	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	31
PID 2792 wrote to memory of 2688	2792	JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe	31
PID 2688 wrote to memory of 2680	2688	msdcsc.exe	32
PID 2688 wrote to memory of 2680	2688	msdcsc.exe	32
PID 2688 wrote to memory of 2680	2688	msdcsc.exe	32
PID 2688 wrote to memory of 2680	2688	msdcsc.exe	32
PID 2688 wrote to memory of 2680	2688	msdcsc.exe	32
PID 2688 wrote to memory of 2680	2688	msdcsc.exe	32
PID 2688 wrote to memory of 2680	2688	msdcsc.exe	32
PID 2688 wrote to memory of 2680	2688	msdcsc.exe	32
PID 2688 wrote to memory of 2680	2688	msdcsc.exe	32
PID 2680 wrote to memory of 692	2680	msdcsc.exe	33
PID 2680 wrote to memory of 692	2680	msdcsc.exe	33
PID 2680 wrote to memory of 692	2680	msdcsc.exe	33
PID 2680 wrote to memory of 692	2680	msdcsc.exe	33
PID 2680 wrote to memory of 692	2680	msdcsc.exe	33
PID 2680 wrote to memory of 692	2680	msdcsc.exe	33
PID 2680 wrote to memory of 692	2680	msdcsc.exe	33
PID 2680 wrote to memory of 692	2680	msdcsc.exe	33
PID 2680 wrote to memory of 692	2680	msdcsc.exe	33
PID 2680 wrote to memory of 692	2680	msdcsc.exe	33
PID 2680 wrote to memory of 692	2680	msdcsc.exe	33
PID 2680 wrote to memory of 692	2680	msdcsc.exe	33
PID 2680 wrote to memory of 692	2680	msdcsc.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe"
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3036
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a31d59e190008f0a3a2abc334c6ce9f9.exe"
    3⤵
    - 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:2792
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2688
    - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        
        "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
        5⤵
        Executes dropped EXE
        Writes to the Master Boot Record (MBR)
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:2680
      - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        
        "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:692

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

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

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

\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
828KB

MD5
a31d59e190008f0a3a2abc334c6ce9f9

SHA1
37456e8559512dff814b09f9ca3710517148f8f2

SHA256
27e663cc439cf3ff7b2f66260a851c8cf0ea5292d259bd1c22171685017dbd4c

SHA512
47bdeb93ec8e8b659d3279c43524b4410bb91fc8b96e6f3a8044f189d91269b9e0d3fa236063f2fc05c12cf73777079f6e84f4b935e8122c095e85e525b49d75

Download Submit
memory/692-103-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/692-99-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2680-98-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/2792-31-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2792-37-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2792-19-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2792-21-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2792-23-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2792-17-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2792-27-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2792-36-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2792-53-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2792-29-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2792-25-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2792-35-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2792-41-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2792-42-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3036-40-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/3036-2-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/3036-6-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/3036-4-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/3036-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3036-12-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/3036-14-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads