darkcomet | ecced6fad4fab8949886e0e5322582b4d8f2c507cf608e5225c13433f3aaf3fd

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/01/2025, 21:10

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General

Target

JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Size

865KB
MD5

111d34ac01b045687d936709bce1250e
SHA1

2fa90f830115668ff5262ad8ab3748c419c8c31d
SHA256

ecced6fad4fab8949886e0e5322582b4d8f2c507cf608e5225c13433f3aaf3fd
SHA512

3693815921f78767bffafd8161351916c091ebafb411e418f17425b79152ef1bfe10ef8db133477344a47246a5579091f1e980c00f551be8c17fe7cb2c236a1f
SSDEEP

12288:4X2JVHMRtDaSm3TJvVNvWV5YTsY7tHwbz/htfcoCoK632zb7G/QOOoe:uss2Sm39NNv9wY7tHwbzfIoK6Mo0l

Score

10^/10

darkcomet guest16 defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

127.0.0.1:1604

192.168.2.102:1604

79.220.233.250:1604

Mutex

DC_MUTEX-7AF2NNS

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
boVoHKgbH3xj
install
true
offline_keylogger
true
persistence
false
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\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe

Modifies firewall policy service 3 TTPs 3 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	msdcsc.exe

Windows security bypass 2 TTPs 1 IoCs

defense_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"	msdcsc.exe

Disables RegEdit via registry modification 1 IoCs

defense_evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Disables Task Manager via registry modification
defense_evasion

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2212	attrib.exe
2640	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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe

Executes dropped EXE 2 IoCs

pid	Process
3956	CROSSFIRE-MODS.COM PREMIUM DOWNLOADER BY HORST.EXE
4876	msdcsc.exe

Windows security modification 2 TTPs 1 IoCs

defense_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"	msdcsc.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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_111d34ac01b045687d936709bce1250e.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 8 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	CROSSFIRE-MODS.COM PREMIUM DOWNLOADER BY HORST.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4876	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeSecurityPrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeTakeOwnershipPrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeLoadDriverPrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeSystemProfilePrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeSystemtimePrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeProfSingleProcessPrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeIncBasePriorityPrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeCreatePagefilePrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeBackupPrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeRestorePrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeShutdownPrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeDebugPrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeSystemEnvironmentPrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeChangeNotifyPrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeRemoteShutdownPrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeUndockPrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeManageVolumePrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeImpersonatePrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeCreateGlobalPrivilege	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: 33	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: 34	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: 35	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: 36	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
Token: SeIncreaseQuotaPrivilege	4876	msdcsc.exe
Token: SeSecurityPrivilege	4876	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4876	msdcsc.exe
Token: SeLoadDriverPrivilege	4876	msdcsc.exe
Token: SeSystemProfilePrivilege	4876	msdcsc.exe
Token: SeSystemtimePrivilege	4876	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4876	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4876	msdcsc.exe
Token: SeCreatePagefilePrivilege	4876	msdcsc.exe
Token: SeBackupPrivilege	4876	msdcsc.exe
Token: SeRestorePrivilege	4876	msdcsc.exe
Token: SeShutdownPrivilege	4876	msdcsc.exe
Token: SeDebugPrivilege	4876	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4876	msdcsc.exe
Token: SeChangeNotifyPrivilege	4876	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4876	msdcsc.exe
Token: SeUndockPrivilege	4876	msdcsc.exe
Token: SeManageVolumePrivilege	4876	msdcsc.exe
Token: SeImpersonatePrivilege	4876	msdcsc.exe
Token: SeCreateGlobalPrivilege	4876	msdcsc.exe
Token: 33	4876	msdcsc.exe
Token: 34	4876	msdcsc.exe
Token: 35	4876	msdcsc.exe
Token: 36	4876	msdcsc.exe
Token: SeDebugPrivilege	3956	CROSSFIRE-MODS.COM PREMIUM DOWNLOADER BY HORST.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4876	msdcsc.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 1892	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe	83
PID 2704 wrote to memory of 1892	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe	83
PID 2704 wrote to memory of 1892	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe	83
PID 2704 wrote to memory of 4364	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe	84
PID 2704 wrote to memory of 4364	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe	84
PID 2704 wrote to memory of 4364	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe	84
PID 2704 wrote to memory of 3956	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe	87
PID 2704 wrote to memory of 3956	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe	87
PID 2704 wrote to memory of 3956	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe	87
PID 4364 wrote to memory of 2212	4364	cmd.exe	88
PID 4364 wrote to memory of 2212	4364	cmd.exe	88
PID 4364 wrote to memory of 2212	4364	cmd.exe	88
PID 1892 wrote to memory of 2640	1892	cmd.exe	89
PID 1892 wrote to memory of 2640	1892	cmd.exe	89
PID 1892 wrote to memory of 2640	1892	cmd.exe	89
PID 2704 wrote to memory of 4876	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe	90
PID 2704 wrote to memory of 4876	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe	90
PID 2704 wrote to memory of 4876	2704	JaffaCakes118_111d34ac01b045687d936709bce1250e.exe	90
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91
PID 4876 wrote to memory of 1544	4876	msdcsc.exe	91

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2212	attrib.exe
2640	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_111d34ac01b045687d936709bce1250e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_111d34ac01b045687d936709bce1250e.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:2704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_111d34ac01b045687d936709bce1250e.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1892
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_111d34ac01b045687d936709bce1250e.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2640
- 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:4364
- - 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:2212
- C:\Users\Admin\AppData\Local\Temp\CROSSFIRE-MODS.COM PREMIUM DOWNLOADER BY HORST.EXE
  "C:\Users\Admin\AppData\Local\Temp\CROSSFIRE-MODS.COM PREMIUM DOWNLOADER BY HORST.EXE"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3956
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies firewall policy service
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4876
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1544

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 System Firewall

T1562.004

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\AppData\Local\Temp\CROSSFIRE-MODS.COM PREMIUM DOWNLOADER BY HORST.EXE

Filesize
149KB

MD5
fc53095046954bba3c1ab6ed4e383176

SHA1
5fc97e28a5c6451062f72437bc84b36cec4d8cbe

SHA256
8b40121aee8cee95700b9e88e48def0ce07a921be287b9b39cd690142b298864

SHA512
1b59a269982ecb57204f9c95b1660497e6eea8f3749b3cb0b99d02ee0ad80f1384ce3dcfb62d9c1de5b89b20f6c30688e7d6b15857f7e289499161a1c7d6405f

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
865KB

MD5
111d34ac01b045687d936709bce1250e

SHA1
2fa90f830115668ff5262ad8ab3748c419c8c31d

SHA256
ecced6fad4fab8949886e0e5322582b4d8f2c507cf608e5225c13433f3aaf3fd

SHA512
3693815921f78767bffafd8161351916c091ebafb411e418f17425b79152ef1bfe10ef8db133477344a47246a5579091f1e980c00f551be8c17fe7cb2c236a1f

Download Submit
memory/1544-81-0x0000000000960000-0x0000000000961000-memory.dmp

Filesize
4KB

Download
memory/2704-80-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/2704-0-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/3956-69-0x0000000073060000-0x0000000073810000-memory.dmp

Filesize
7.7MB

Download
memory/3956-83-0x0000000073060000-0x0000000073810000-memory.dmp

Filesize
7.7MB

Download
memory/3956-17-0x00000000052C0000-0x0000000005864000-memory.dmp

Filesize
5.6MB

Download
memory/3956-67-0x0000000004C50000-0x0000000004C5A000-memory.dmp

Filesize
40KB

Download
memory/3956-68-0x0000000004F60000-0x0000000004FB6000-memory.dmp

Filesize
344KB

Download
memory/3956-16-0x0000000004C70000-0x0000000004D0C000-memory.dmp

Filesize
624KB

Download
memory/3956-15-0x00000000003B0000-0x00000000003DE000-memory.dmp

Filesize
184KB

Download
memory/3956-14-0x000000007306E000-0x000000007306F000-memory.dmp

Filesize
4KB

Download
memory/3956-82-0x000000007306E000-0x000000007306F000-memory.dmp

Filesize
4KB

Download
memory/3956-18-0x0000000004D10000-0x0000000004DA2000-memory.dmp

Filesize
584KB

Download
memory/4876-84-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/4876-86-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/4876-88-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/4876-90-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/4876-92-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/4876-93-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/4876-95-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads