darkcomet | b71286dde4c3dea69fe3ede8454f86c3286d382b225356363689fe49869851e4

Analysis

max time kernel
149s
max time network
147s
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 06:34

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General

Target

JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Size

659KB
MD5

6acf31a2679075f63a56ed9ec4095005
SHA1

14975eeb6e29bf25953beec986720034a15da55a
SHA256

b71286dde4c3dea69fe3ede8454f86c3286d382b225356363689fe49869851e4
SHA512

18e438bc0e951daec4af070e6d3756a5d8e9bfeafea1abf349214878134dcad4d8e241a5e606fa3e4a10cabb945a2584a1d810ded2d4313e92fbfcacd1ac4946
SSDEEP

12288:W9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hE:yZ1xuVVjfFoynPaVBUR8f+kN10EBa

Score

10^/10

darkcomet guest16 discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

minecraftserver1010.no-ip.biz:1604

Mutex

DC_MUTEX-C678ZLF

Attributes

InstallPath
MSDCSC\server.exe
gencode
RnwrbmubV1LH
install
true
offline_keylogger
true
persistence
true
reg_key
Server

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\\server.exe"	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.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"	server.exe

Windows security bypass 2 TTPs 2 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\UpdatesDisableNotify = "1"	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	server.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	server.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
1000	attrib.exe
3764	attrib.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe

Executes dropped EXE 1 IoCs

pid	Process
2932	server.exe

Windows security modification 2 TTPs 2 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"	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	server.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Server = "C:\\Users\\Admin\\Documents\\MSDCSC\\server.exe"	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Server = "C:\\Users\\Admin\\Documents\\MSDCSC\\server.exe"	server.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	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	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2932	server.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeSecurityPrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeTakeOwnershipPrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeLoadDriverPrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeSystemProfilePrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeSystemtimePrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeProfSingleProcessPrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeIncBasePriorityPrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeCreatePagefilePrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeBackupPrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeRestorePrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeShutdownPrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeDebugPrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeSystemEnvironmentPrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeChangeNotifyPrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeRemoteShutdownPrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeUndockPrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeManageVolumePrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeImpersonatePrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeCreateGlobalPrivilege	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: 33	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: 34	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: 35	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: 36	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
Token: SeIncreaseQuotaPrivilege	2932	server.exe
Token: SeSecurityPrivilege	2932	server.exe
Token: SeTakeOwnershipPrivilege	2932	server.exe
Token: SeLoadDriverPrivilege	2932	server.exe
Token: SeSystemProfilePrivilege	2932	server.exe
Token: SeSystemtimePrivilege	2932	server.exe
Token: SeProfSingleProcessPrivilege	2932	server.exe
Token: SeIncBasePriorityPrivilege	2932	server.exe
Token: SeCreatePagefilePrivilege	2932	server.exe
Token: SeBackupPrivilege	2932	server.exe
Token: SeRestorePrivilege	2932	server.exe
Token: SeShutdownPrivilege	2932	server.exe
Token: SeDebugPrivilege	2932	server.exe
Token: SeSystemEnvironmentPrivilege	2932	server.exe
Token: SeChangeNotifyPrivilege	2932	server.exe
Token: SeRemoteShutdownPrivilege	2932	server.exe
Token: SeUndockPrivilege	2932	server.exe
Token: SeManageVolumePrivilege	2932	server.exe
Token: SeImpersonatePrivilege	2932	server.exe
Token: SeCreateGlobalPrivilege	2932	server.exe
Token: 33	2932	server.exe
Token: 34	2932	server.exe
Token: 35	2932	server.exe
Token: 36	2932	server.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2932	server.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 2872	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe	90
PID 1260 wrote to memory of 2872	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe	90
PID 1260 wrote to memory of 2872	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe	90
PID 1260 wrote to memory of 620	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe	92
PID 1260 wrote to memory of 620	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe	92
PID 1260 wrote to memory of 620	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe	92
PID 2872 wrote to memory of 1000	2872	cmd.exe	94
PID 2872 wrote to memory of 1000	2872	cmd.exe	94
PID 2872 wrote to memory of 1000	2872	cmd.exe	94
PID 620 wrote to memory of 3764	620	cmd.exe	95
PID 620 wrote to memory of 3764	620	cmd.exe	95
PID 620 wrote to memory of 3764	620	cmd.exe	95
PID 1260 wrote to memory of 2932	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe	96
PID 1260 wrote to memory of 2932	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe	96
PID 1260 wrote to memory of 2932	1260	JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe	96
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97
PID 2932 wrote to memory of 3572	2932	server.exe	97

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	server.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	server.exe

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1000	attrib.exe
3764	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6acf31a2679075f63a56ed9ec4095005.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:1000
- 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:620
- - 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:3764
- C:\Users\Admin\Documents\MSDCSC\server.exe
  "C:\Users\Admin\Documents\MSDCSC\server.exe"
  2⤵
  - Modifies security service
  - Windows security bypass
  - Disables RegEdit via registry modification
  - 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
  - System policy modification
  PID:2932
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3572

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

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\Documents\MSDCSC\server.exe

Filesize
659KB

MD5
6acf31a2679075f63a56ed9ec4095005

SHA1
14975eeb6e29bf25953beec986720034a15da55a

SHA256
b71286dde4c3dea69fe3ede8454f86c3286d382b225356363689fe49869851e4

SHA512
18e438bc0e951daec4af070e6d3756a5d8e9bfeafea1abf349214878134dcad4d8e241a5e606fa3e4a10cabb945a2584a1d810ded2d4313e92fbfcacd1ac4946

Download Submit
memory/1260-0-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/1260-63-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2932-61-0x00000000023C0000-0x00000000023C1000-memory.dmp

Filesize
4KB

Download
memory/2932-64-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2932-66-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3572-62-0x0000000001010000-0x0000000001011000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads