darkcomet | 509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497

Analysis

max time kernel
120s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 15:21

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General

Target

509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Size

725KB
MD5

f74b5af14f62bb35a0fee52dce026c95
SHA1

86cebb40fce107ee31313fffe74f477ebaf56cb6
SHA256

509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497
SHA512

bb097e493485d2cafbc4b13496d427545233a5b3747af6ea87b1e33a53047c81db09bce4945f5b4b15f464b97b02b20413e818b147aaca0f7b1fec839e09ca65
SSDEEP

12288:P9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hlKM:5Z1xuVVjfFoynPaVBUR8f+kN10EB9

Score

10^/10

darkcomet harmfulpoop.no-ip.biz discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

harmfulpoop.no-ip.biz

harmfulpoop.no-ip.biz:200

Mutex

DC_MUTEX-WDP20P9

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
R88C5JqV9fKM
install
true
offline_keylogger
true
persistence
true
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"	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe

Deletes itself 1 IoCs

pid	Process
1964	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
1088	msdcsc.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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.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 3 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	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeSecurityPrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeTakeOwnershipPrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeLoadDriverPrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeSystemProfilePrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeSystemtimePrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeProfSingleProcessPrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeIncBasePriorityPrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeCreatePagefilePrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeBackupPrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeRestorePrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeShutdownPrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeDebugPrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeSystemEnvironmentPrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeChangeNotifyPrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeRemoteShutdownPrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeUndockPrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeManageVolumePrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeImpersonatePrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeCreateGlobalPrivilege	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: 33	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: 34	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: 35	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: 36	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
Token: SeIncreaseQuotaPrivilege	1088	msdcsc.exe
Token: SeSecurityPrivilege	1088	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1088	msdcsc.exe
Token: SeLoadDriverPrivilege	1088	msdcsc.exe
Token: SeSystemProfilePrivilege	1088	msdcsc.exe
Token: SeSystemtimePrivilege	1088	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1088	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1088	msdcsc.exe
Token: SeCreatePagefilePrivilege	1088	msdcsc.exe
Token: SeBackupPrivilege	1088	msdcsc.exe
Token: SeRestorePrivilege	1088	msdcsc.exe
Token: SeShutdownPrivilege	1088	msdcsc.exe
Token: SeDebugPrivilege	1088	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1088	msdcsc.exe
Token: SeChangeNotifyPrivilege	1088	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1088	msdcsc.exe
Token: SeUndockPrivilege	1088	msdcsc.exe
Token: SeManageVolumePrivilege	1088	msdcsc.exe
Token: SeImpersonatePrivilege	1088	msdcsc.exe
Token: SeCreateGlobalPrivilege	1088	msdcsc.exe
Token: 33	1088	msdcsc.exe
Token: 34	1088	msdcsc.exe
Token: 35	1088	msdcsc.exe
Token: 36	1088	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1088	msdcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1964	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	84
PID 1532 wrote to memory of 1088	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	85
PID 1532 wrote to memory of 1088	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	85
PID 1532 wrote to memory of 1088	1532	509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe	85

C:\Users\Admin\AppData\Local\Temp\509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.exe
"C:\Users\Admin\AppData\Local\Temp\509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497.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:1532
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1964
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1088

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

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\msdcsc.exe

Filesize
725KB

MD5
f74b5af14f62bb35a0fee52dce026c95

SHA1
86cebb40fce107ee31313fffe74f477ebaf56cb6

SHA256
509f38d2f10000544d741eda3414c1184ada46e5d654729de67fdb025e701497

SHA512
bb097e493485d2cafbc4b13496d427545233a5b3747af6ea87b1e33a53047c81db09bce4945f5b4b15f464b97b02b20413e818b147aaca0f7b1fec839e09ca65

Download Submit
memory/1088-72-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1088-67-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1088-62-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1088-76-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1088-69-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1088-66-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1088-75-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1088-68-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1088-65-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1088-70-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1088-71-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1088-74-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1088-73-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1532-0-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/1532-63-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1964-3-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads