darkcomet | 23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7

Analysis

max time kernel
120s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-01-2025 05:07

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General

Target

23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.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"	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.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-1-5-21-3533259084-2542256011-65585152-1000\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
2844	attrib.exe
2812	attrib.exe

Deletes itself 1 IoCs

pid	Process
1844	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
2860	101system.exe

Loads dropped DLL 2 IoCs

pid	Process
2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\systemstartupkey10123 = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\START\\101system.exe"	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	101system.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2860	101system.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeSecurityPrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeTakeOwnershipPrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeLoadDriverPrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeSystemProfilePrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeSystemtimePrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeProfSingleProcessPrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeIncBasePriorityPrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeCreatePagefilePrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeBackupPrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeRestorePrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeShutdownPrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeDebugPrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeSystemEnvironmentPrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeChangeNotifyPrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeRemoteShutdownPrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeUndockPrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeManageVolumePrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeImpersonatePrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeCreateGlobalPrivilege	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: 33	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: 34	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: 35	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
Token: SeIncreaseQuotaPrivilege	2860	101system.exe
Token: SeSecurityPrivilege	2860	101system.exe
Token: SeTakeOwnershipPrivilege	2860	101system.exe
Token: SeLoadDriverPrivilege	2860	101system.exe
Token: SeSystemProfilePrivilege	2860	101system.exe
Token: SeSystemtimePrivilege	2860	101system.exe
Token: SeProfSingleProcessPrivilege	2860	101system.exe
Token: SeIncBasePriorityPrivilege	2860	101system.exe
Token: SeCreatePagefilePrivilege	2860	101system.exe
Token: SeBackupPrivilege	2860	101system.exe
Token: SeRestorePrivilege	2860	101system.exe
Token: SeShutdownPrivilege	2860	101system.exe
Token: SeDebugPrivilege	2860	101system.exe
Token: SeSystemEnvironmentPrivilege	2860	101system.exe
Token: SeChangeNotifyPrivilege	2860	101system.exe
Token: SeRemoteShutdownPrivilege	2860	101system.exe
Token: SeUndockPrivilege	2860	101system.exe
Token: SeManageVolumePrivilege	2860	101system.exe
Token: SeImpersonatePrivilege	2860	101system.exe
Token: SeCreateGlobalPrivilege	2860	101system.exe
Token: 33	2860	101system.exe
Token: 34	2860	101system.exe
Token: 35	2860	101system.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2860	101system.exe

Suspicious use of WriteProcessMemory 61 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 108	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	30
PID 2380 wrote to memory of 108	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	30
PID 2380 wrote to memory of 108	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	30
PID 2380 wrote to memory of 108	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	30
PID 2380 wrote to memory of 2884	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	31
PID 2380 wrote to memory of 2884	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	31
PID 2380 wrote to memory of 2884	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	31
PID 2380 wrote to memory of 2884	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	31
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 2380 wrote to memory of 1844	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	33
PID 108 wrote to memory of 2812	108	cmd.exe	35
PID 108 wrote to memory of 2812	108	cmd.exe	35
PID 108 wrote to memory of 2812	108	cmd.exe	35
PID 108 wrote to memory of 2812	108	cmd.exe	35
PID 2884 wrote to memory of 2844	2884	cmd.exe	36
PID 2884 wrote to memory of 2844	2884	cmd.exe	36
PID 2884 wrote to memory of 2844	2884	cmd.exe	36
PID 2884 wrote to memory of 2844	2884	cmd.exe	36
PID 2380 wrote to memory of 2860	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	37
PID 2380 wrote to memory of 2860	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	37
PID 2380 wrote to memory of 2860	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	37
PID 2380 wrote to memory of 2860	2380	23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe	37
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38
PID 2860 wrote to memory of 2960	2860	101system.exe	38

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2844	attrib.exe
2812	attrib.exe

C:\Users\Admin\AppData\Local\Temp\23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe
"C:\Users\Admin\AppData\Local\Temp\23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:108
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7N.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2812
- 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:2884
- - 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:2844
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1844
- 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:2860
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2960

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

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

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

Filesize
658KB

MD5
6ec5d4fc88ead2a9a651e35606197000

SHA1
b792ecbef1aaf60634935d82f80902505efa9fc5

SHA256
23fc9af3a752163d802c57f08c51426180b9688ac794bc7e47cff334b749dcb7

SHA512
6750c5247f50d50b5def1b94efab6392d94aa25eaecc78b135d6ecc28bf1f20c2bdefa82b285fe22271e5d459395461acc43d7cecaaebf036c8cb3e537b4f039

Download Submit
memory/1844-3-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/1844-19-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2380-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2380-68-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2860-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2860-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2860-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2860-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2860-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2860-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2960-67-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads