darkcomet | 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7

Analysis

max time kernel
150s
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 18:51

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General

Target

JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Size

658KB
MD5

6ec5d4fc88ead2a9a651e35606197000
SHA1

b792ecbef1aaf60634935d82f80902505efa9fc5
SHA256

23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7
SHA512

6750c5247f50d50b5def1b94efab6392d94aa25eaecc78b135d6ecc28bf1f20c2bdefa82b285fe22271e5d459395461acc43d7cecaaebf036c8cb3e537b4f039
SSDEEP

12288:e9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hze:qZ1xuVVjfFoynPaVBUR8f+kN10EB9e

Score

10^/10

darkcomet colt discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Colt

dcnigga.ddns.net:420

Mutex

DC_MUTEX-CN26RWY

Attributes

InstallPath
START\101system.exe
gencode
6k0zU9mKsLnB
install
true
offline_keylogger
true
password
imagod420
persistence
true
reg_key
systemstartupkey10123

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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\START\\101system.exe"	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe

Modifies firewall policy service 3 TTPs 3 IoCs

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	101system.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	101system.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	101system.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	101system.exe

Disables Task Manager via registry modification
evasion

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
4672	attrib.exe
3812	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe

Deletes itself 1 IoCs

pid	Process
4124	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
4852	101system.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\systemstartupkey10123 = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\START\\101system.exe"	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\systemstartupkey10123 = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\START\\101system.exe"	101system.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	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.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	attrib.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	101system.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4852	101system.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeSecurityPrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeTakeOwnershipPrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeLoadDriverPrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeSystemProfilePrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeSystemtimePrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeProfSingleProcessPrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeIncBasePriorityPrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeCreatePagefilePrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeBackupPrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeRestorePrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeShutdownPrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeDebugPrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeSystemEnvironmentPrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeChangeNotifyPrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeRemoteShutdownPrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeUndockPrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeManageVolumePrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeImpersonatePrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeCreateGlobalPrivilege	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: 33	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: 34	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: 35	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: 36	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
Token: SeIncreaseQuotaPrivilege	4852	101system.exe
Token: SeSecurityPrivilege	4852	101system.exe
Token: SeTakeOwnershipPrivilege	4852	101system.exe
Token: SeLoadDriverPrivilege	4852	101system.exe
Token: SeSystemProfilePrivilege	4852	101system.exe
Token: SeSystemtimePrivilege	4852	101system.exe
Token: SeProfSingleProcessPrivilege	4852	101system.exe
Token: SeIncBasePriorityPrivilege	4852	101system.exe
Token: SeCreatePagefilePrivilege	4852	101system.exe
Token: SeBackupPrivilege	4852	101system.exe
Token: SeRestorePrivilege	4852	101system.exe
Token: SeShutdownPrivilege	4852	101system.exe
Token: SeDebugPrivilege	4852	101system.exe
Token: SeSystemEnvironmentPrivilege	4852	101system.exe
Token: SeChangeNotifyPrivilege	4852	101system.exe
Token: SeRemoteShutdownPrivilege	4852	101system.exe
Token: SeUndockPrivilege	4852	101system.exe
Token: SeManageVolumePrivilege	4852	101system.exe
Token: SeImpersonatePrivilege	4852	101system.exe
Token: SeCreateGlobalPrivilege	4852	101system.exe
Token: 33	4852	101system.exe
Token: 34	4852	101system.exe
Token: 35	4852	101system.exe
Token: 36	4852	101system.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4852	101system.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 536	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	83
PID 3448 wrote to memory of 536	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	83
PID 3448 wrote to memory of 536	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	83
PID 3448 wrote to memory of 4944	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	85
PID 3448 wrote to memory of 4944	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	85
PID 3448 wrote to memory of 4944	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	85
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 3448 wrote to memory of 4124	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	86
PID 536 wrote to memory of 4672	536	cmd.exe	88
PID 536 wrote to memory of 4672	536	cmd.exe	88
PID 536 wrote to memory of 4672	536	cmd.exe	88
PID 4944 wrote to memory of 3812	4944	cmd.exe	89
PID 4944 wrote to memory of 3812	4944	cmd.exe	89
PID 4944 wrote to memory of 3812	4944	cmd.exe	89
PID 3448 wrote to memory of 4852	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	90
PID 3448 wrote to memory of 4852	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	90
PID 3448 wrote to memory of 4852	3448	JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe	90
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91
PID 4852 wrote to memory of 1372	4852	101system.exe	91

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4672	attrib.exe
3812	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.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:3448
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:536
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ec5d4fc88ead2a9a651e35606197000.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:4672
- 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:4944
- - 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:3812
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4124
- C:\ProgramData\Microsoft\Windows\Start Menu\START\101system.exe
  "C:\ProgramData\Microsoft\Windows\Start Menu\START\101system.exe"
  2⤵
  - Modifies firewall policy service
  - Disables RegEdit via registry modification
  - 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:4852
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1372

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

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:\ProgramData\Microsoft\Windows\Start Menu\START\101system.exe

Filesize
658KB

MD5
6ec5d4fc88ead2a9a651e35606197000

SHA1
b792ecbef1aaf60634935d82f80902505efa9fc5

SHA256
23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7

SHA512
6750c5247f50d50b5def1b94efab6392d94aa25eaecc78b135d6ecc28bf1f20c2bdefa82b285fe22271e5d459395461acc43d7cecaaebf036c8cb3e537b4f039

Download Submit
memory/1372-62-0x0000000000A90000-0x0000000000A91000-memory.dmp

Filesize
4KB

Download
memory/3448-0-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/3448-63-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4124-3-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download
memory/4852-68-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4852-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4852-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4852-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4852-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4852-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4852-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4852-66-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4852-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4852-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4852-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4852-76-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4852-77-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4852-78-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads