darkcomet | 3fcd38543946990afe3e33779c23c2dff9481cec20db42e181d522604a1e6e87

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
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

Checks computer location settings 2 TTPs 1 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	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe

Executes dropped EXE 1 IoCs

pid	Process
1712	svchost.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\svchost.exe"	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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
1712	svchost.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeSecurityPrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeTakeOwnershipPrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeLoadDriverPrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeSystemProfilePrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeSystemtimePrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeProfSingleProcessPrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeIncBasePriorityPrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeCreatePagefilePrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeBackupPrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeRestorePrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeShutdownPrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeDebugPrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeSystemEnvironmentPrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeChangeNotifyPrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeRemoteShutdownPrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeUndockPrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeManageVolumePrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeImpersonatePrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeCreateGlobalPrivilege	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: 33	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: 34	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: 35	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: 36	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
Token: SeIncreaseQuotaPrivilege	1712	svchost.exe
Token: SeSecurityPrivilege	1712	svchost.exe
Token: SeTakeOwnershipPrivilege	1712	svchost.exe
Token: SeLoadDriverPrivilege	1712	svchost.exe
Token: SeSystemProfilePrivilege	1712	svchost.exe
Token: SeSystemtimePrivilege	1712	svchost.exe
Token: SeProfSingleProcessPrivilege	1712	svchost.exe
Token: SeIncBasePriorityPrivilege	1712	svchost.exe
Token: SeCreatePagefilePrivilege	1712	svchost.exe
Token: SeBackupPrivilege	1712	svchost.exe
Token: SeRestorePrivilege	1712	svchost.exe
Token: SeShutdownPrivilege	1712	svchost.exe
Token: SeDebugPrivilege	1712	svchost.exe
Token: SeSystemEnvironmentPrivilege	1712	svchost.exe
Token: SeChangeNotifyPrivilege	1712	svchost.exe
Token: SeRemoteShutdownPrivilege	1712	svchost.exe
Token: SeUndockPrivilege	1712	svchost.exe
Token: SeManageVolumePrivilege	1712	svchost.exe
Token: SeImpersonatePrivilege	1712	svchost.exe
Token: SeCreateGlobalPrivilege	1712	svchost.exe
Token: 33	1712	svchost.exe
Token: 34	1712	svchost.exe
Token: 35	1712	svchost.exe
Token: 36	1712	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1712	svchost.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 1712	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe	82
PID 4224 wrote to memory of 1712	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe	82
PID 4224 wrote to memory of 1712	4224	JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe	82
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83
PID 1712 wrote to memory of 1732	1712	svchost.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e88c32f0b1369e3b8fe915c4ce9695d.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4224
- 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:1712
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1732

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

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\Local\Temp\MSDCSC\svchost.exe

Filesize
658KB

MD5
6e88c32f0b1369e3b8fe915c4ce9695d

SHA1
6a19811861c193ba2cac395107e748f5b79e0bb8

SHA256
3fcd38543946990afe3e33779c23c2dff9481cec20db42e181d522604a1e6e87

SHA512
f5cf99f320c6c1fb04a9292a5f5d0bc5f52750c0fc046d97cf05d8f2851d65920bb77a23f416ff14663d825d1112cc5131da23b7ff8e2530338b9610a80c4a4c

Download Submit
memory/1712-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1712-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1712-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1712-30-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1712-17-0x0000000002AE0000-0x0000000002AE1000-memory.dmp

Filesize
4KB

Download
memory/1712-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1712-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1712-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1712-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1712-14-0x0000000002AE0000-0x0000000002AE1000-memory.dmp

Filesize
4KB

Download
memory/1712-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1712-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1712-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1712-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1712-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1712-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1732-15-0x0000000001120000-0x0000000001121000-memory.dmp

Filesize
4KB

Download
memory/4224-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4224-0-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads