darkcomet | 485b3329b5c2bf40e1bab2be8807d7a4188d60a46e3a70b8fd55a26242fe1178

Analysis

max time kernel
150s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07/02/2025, 05:19

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General

Target

JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe
Size

935KB
MD5

b36cd4b822dbcb20f49566deccbd1e11
SHA1

37e196dd4bd86d86dadbf17f0bcbc6667913ec53
SHA256

485b3329b5c2bf40e1bab2be8807d7a4188d60a46e3a70b8fd55a26242fe1178
SHA512

6671e6869df42caf466dcd8beedbb7aa6d15d91ca3c972d1d10599849a1f7db572d6949e0a238060125beb4c4e13a735d2e20d32712626bbd52e9f99ffdaae09
SSDEEP

12288:eEdgu2FYiQTF79G6F1t1kAAWE6g17ev8WlpCtZznOVh88UVAoQi2CMte/V5B0Z6F:e1dIV8iDVG8K4iV3V78MM7inh3kh

Score

10^/10

darkcomet guest16 defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

127.0.0.1:1604

192.168.1.79:1604

213.112.166.118:1604

Mutex

DC_MUTEX-7XQ1YGV

Attributes

gencode
2U78e65S33pt
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

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	vbc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	vbc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	vbc.exe

Modifies security service 2 TTPs 1 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	vbc.exe

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

Disables RegEdit via registry modification 1 IoCs

defense_evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	vbc.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
1784	attrib.exe
3172	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	vbc.exe

Executes dropped EXE 1 IoCs

pid	Process
5088	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Windows security modification 2 TTPs 2 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\AntiVirusDisableNotify = "1"	vbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	vbc.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe"	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1296 set thread context of 5088	1296	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe	82

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	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5088	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	5088	vbc.exe
Token: SeSecurityPrivilege	5088	vbc.exe
Token: SeTakeOwnershipPrivilege	5088	vbc.exe
Token: SeLoadDriverPrivilege	5088	vbc.exe
Token: SeSystemProfilePrivilege	5088	vbc.exe
Token: SeSystemtimePrivilege	5088	vbc.exe
Token: SeProfSingleProcessPrivilege	5088	vbc.exe
Token: SeIncBasePriorityPrivilege	5088	vbc.exe
Token: SeCreatePagefilePrivilege	5088	vbc.exe
Token: SeBackupPrivilege	5088	vbc.exe
Token: SeRestorePrivilege	5088	vbc.exe
Token: SeShutdownPrivilege	5088	vbc.exe
Token: SeDebugPrivilege	5088	vbc.exe
Token: SeSystemEnvironmentPrivilege	5088	vbc.exe
Token: SeChangeNotifyPrivilege	5088	vbc.exe
Token: SeRemoteShutdownPrivilege	5088	vbc.exe
Token: SeUndockPrivilege	5088	vbc.exe
Token: SeManageVolumePrivilege	5088	vbc.exe
Token: SeImpersonatePrivilege	5088	vbc.exe
Token: SeCreateGlobalPrivilege	5088	vbc.exe
Token: 33	5088	vbc.exe
Token: 34	5088	vbc.exe
Token: 35	5088	vbc.exe
Token: 36	5088	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5088	vbc.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 1296 wrote to memory of 5088	1296	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe	82
PID 1296 wrote to memory of 5088	1296	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe	82
PID 1296 wrote to memory of 5088	1296	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe	82
PID 1296 wrote to memory of 5088	1296	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe	82
PID 1296 wrote to memory of 5088	1296	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe	82
PID 1296 wrote to memory of 5088	1296	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe	82
PID 1296 wrote to memory of 5088	1296	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe	82
PID 1296 wrote to memory of 5088	1296	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe	82
PID 1296 wrote to memory of 5088	1296	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe	82
PID 1296 wrote to memory of 5088	1296	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe	82
PID 1296 wrote to memory of 5088	1296	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe	82
PID 1296 wrote to memory of 5088	1296	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe	82
PID 1296 wrote to memory of 5088	1296	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe	82
PID 1296 wrote to memory of 5088	1296	JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe	82
PID 5088 wrote to memory of 4856	5088	vbc.exe	83
PID 5088 wrote to memory of 4856	5088	vbc.exe	83
PID 5088 wrote to memory of 4856	5088	vbc.exe	83
PID 5088 wrote to memory of 3188	5088	vbc.exe	84
PID 5088 wrote to memory of 3188	5088	vbc.exe	84
PID 5088 wrote to memory of 3188	5088	vbc.exe	84
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 5088 wrote to memory of 4052	5088	vbc.exe	85
PID 4856 wrote to memory of 1784	4856	cmd.exe	88
PID 4856 wrote to memory of 1784	4856	cmd.exe	88
PID 4856 wrote to memory of 1784	4856	cmd.exe	88
PID 3188 wrote to memory of 3172	3188	cmd.exe	89
PID 3188 wrote to memory of 3172	3188	cmd.exe	89
PID 3188 wrote to memory of 3172	3188	cmd.exe	89

System policy modification 1 TTPs 3 IoCs

defense_evasion

Modify Registry

T1112

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

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1784	attrib.exe
3172	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b36cd4b822dbcb20f49566deccbd1e11.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Checks computer location settings
  - 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
  - System policy modification
  PID:5088
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\vbc.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4856
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\vbc.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:1784
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3188
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:3172
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

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\vbc.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/1296-0-0x00000000745F2000-0x00000000745F3000-memory.dmp

Filesize
4KB

Download
memory/1296-1-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/1296-2-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/1296-16-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/4052-18-0x00000000011D0000-0x00000000011D1000-memory.dmp

Filesize
4KB

Download
memory/5088-15-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/5088-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5088-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5088-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5088-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5088-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5088-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5088-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5088-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5088-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5088-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5088-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads