darkcomet | 3fcd38543946990afe3e33779c23c2dff9481cec20db42e181d522604a1e6e87

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/01/2025, 18:14

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General

Target

JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Size

658KB
MD5

6e88c32f0b1369e3b8fe915c4ce9695d
SHA1

6a19811861c193ba2cac395107e748f5b79e0bb8
SHA256

3fcd38543946990afe3e33779c23c2dff9481cec20db42e181d522604a1e6e87
SHA512

f5cf99f320c6c1fb04a9292a5f5d0bc5f52750c0fc046d97cf05d8f2851d65920bb77a23f416ff14663d825d1112cc5131da23b7ff8e2530338b9610a80c4a4c
SSDEEP

12288:e9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hC:qZ1xuVVjfFoynPaVBUR8f+kN10EBU

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

donatas1.no-ip.biz:1604

Mutex

DC_MUTEX-9D9P6SH

Attributes

InstallPath
MSDCSC\svchost.exe
gencode
UhZ0ESjQBiJy
install
true
offline_keylogger
true
persistence
true
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\\AppData\\Local\\Temp\\MSDCSC\\svchost.exe"	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe

Executes dropped EXE 1 IoCs

pid	Process
2896	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\svchost.exe"	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\svchost.exe"	svchost.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 3 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_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2896	svchost.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeSecurityPrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeTakeOwnershipPrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeLoadDriverPrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeSystemProfilePrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeSystemtimePrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeProfSingleProcessPrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeIncBasePriorityPrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeCreatePagefilePrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeBackupPrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeRestorePrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeShutdownPrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeDebugPrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeSystemEnvironmentPrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeChangeNotifyPrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeRemoteShutdownPrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeUndockPrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeManageVolumePrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeImpersonatePrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeCreateGlobalPrivilege	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: 33	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: 34	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: 35	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeIncreaseQuotaPrivilege	2896	svchost.exe
Token: SeSecurityPrivilege	2896	svchost.exe
Token: SeTakeOwnershipPrivilege	2896	svchost.exe
Token: SeLoadDriverPrivilege	2896	svchost.exe
Token: SeSystemProfilePrivilege	2896	svchost.exe
Token: SeSystemtimePrivilege	2896	svchost.exe
Token: SeProfSingleProcessPrivilege	2896	svchost.exe
Token: SeIncBasePriorityPrivilege	2896	svchost.exe
Token: SeCreatePagefilePrivilege	2896	svchost.exe
Token: SeBackupPrivilege	2896	svchost.exe
Token: SeRestorePrivilege	2896	svchost.exe
Token: SeShutdownPrivilege	2896	svchost.exe
Token: SeDebugPrivilege	2896	svchost.exe
Token: SeSystemEnvironmentPrivilege	2896	svchost.exe
Token: SeChangeNotifyPrivilege	2896	svchost.exe
Token: SeRemoteShutdownPrivilege	2896	svchost.exe
Token: SeUndockPrivilege	2896	svchost.exe
Token: SeManageVolumePrivilege	2896	svchost.exe
Token: SeImpersonatePrivilege	2896	svchost.exe
Token: SeCreateGlobalPrivilege	2896	svchost.exe
Token: 33	2896	svchost.exe
Token: 34	2896	svchost.exe
Token: 35	2896	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2896	svchost.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2896	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe	30
PID 2192 wrote to memory of 2896	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe	30
PID 2192 wrote to memory of 2896	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe	30
PID 2192 wrote to memory of 2896	2192	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe	30
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31
PID 2896 wrote to memory of 2616	2896	svchost.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.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:2192
- C:\Users\Admin\AppData\Local\Temp\MSDCSC\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\MSDCSC\svchost.exe"
  2⤵
  - Executes dropped EXE
  - 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:2896
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2616

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

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\svchost.exe

Filesize
658KB

MD5
6e88c32f0b1369e3b8fe915c4ce9695d

SHA1
6a19811861c193ba2cac395107e748f5b79e0bb8

SHA256
3fcd38543946990afe3e33779c23c2dff9481cec20db42e181d522604a1e6e87

SHA512
f5cf99f320c6c1fb04a9292a5f5d0bc5f52750c0fc046d97cf05d8f2851d65920bb77a23f416ff14663d825d1112cc5131da23b7ff8e2530338b9610a80c4a4c

Download Submit
memory/2192-40-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2192-0-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2616-14-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2616-39-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2896-45-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2896-47-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2896-42-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2896-43-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2896-44-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2896-12-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2896-46-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2896-41-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2896-48-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2896-49-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2896-50-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2896-51-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2896-52-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2896-53-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2896-54-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads