darkcomet | 53f2fc167c09f0f67f21c539b1b3e6c2f640dccc417348eed63881d4bdd122ea

Analysis

max time kernel
148s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
12/10/2026, 23:52

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General

Target
jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Size 658KB
Sample261012-3wzfhsff24
SHA256 53f2fc167c09f0f67f21c539b1b3e6c2f640dccc417348eed63881d4bdd122ea
MD5 6c4e07dae0c57952cbb2b537c6c621d0
SHA1 d93853aaebb4370e82df00971ba3bdedb30ff025
SHA512 349b37a20788577cd722335784c9c94517af3f836aa9f14abc6642736783546a4eb0eb5cbca7dc365a3170aa9b63ce4bd6743a05771479aef8686e8d95eca44f
SSDEEP 12288:S9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFh:+iBIGkbxqEcjsWiDxguehC2SO
TLSH
T1CBE48E31F2808837D9721A788C5B92E5943A7E202E39754B76E62F4C5F3D6C239263D7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

all defense_evasion discovery execution darkcomet persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

:1604

Mutex

DC_MUTEX-U0DM7GE

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
KUiN9kpfaemv
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

rc4.plain

Signatures

Family: Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat 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\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe

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
2228	attrib.exe
3376	attrib.exe

Executes dropped EXE 2 IoCs

pid	Process
5480	msdcsc.exe
2220	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-1-5-21-696679853-3915825385-3233721679-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-696679853-3915825385-3233721679-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4520	cmd.exe
1460	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	msdcsc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	msdcsc.exe

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_Backdoor.Win32.DarkKomet.aagr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5480	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeSecurityPrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeTakeOwnershipPrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeLoadDriverPrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeSystemProfilePrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeSystemtimePrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeProfSingleProcessPrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeIncBasePriorityPrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeCreatePagefilePrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeBackupPrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeRestorePrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeShutdownPrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeDebugPrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeSystemEnvironmentPrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeChangeNotifyPrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeRemoteShutdownPrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeUndockPrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeManageVolumePrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeImpersonatePrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeCreateGlobalPrivilege	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: 33	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: 34	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: 35	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: 36	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
Token: SeIncreaseQuotaPrivilege	5480	msdcsc.exe
Token: SeSecurityPrivilege	5480	msdcsc.exe
Token: SeTakeOwnershipPrivilege	5480	msdcsc.exe
Token: SeLoadDriverPrivilege	5480	msdcsc.exe
Token: SeSystemProfilePrivilege	5480	msdcsc.exe
Token: SeSystemtimePrivilege	5480	msdcsc.exe
Token: SeProfSingleProcessPrivilege	5480	msdcsc.exe
Token: SeIncBasePriorityPrivilege	5480	msdcsc.exe
Token: SeCreatePagefilePrivilege	5480	msdcsc.exe
Token: SeBackupPrivilege	5480	msdcsc.exe
Token: SeRestorePrivilege	5480	msdcsc.exe
Token: SeShutdownPrivilege	5480	msdcsc.exe
Token: SeDebugPrivilege	5480	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	5480	msdcsc.exe
Token: SeChangeNotifyPrivilege	5480	msdcsc.exe
Token: SeRemoteShutdownPrivilege	5480	msdcsc.exe
Token: SeUndockPrivilege	5480	msdcsc.exe
Token: SeManageVolumePrivilege	5480	msdcsc.exe
Token: SeImpersonatePrivilege	5480	msdcsc.exe
Token: SeCreateGlobalPrivilege	5480	msdcsc.exe
Token: 33	5480	msdcsc.exe
Token: 34	5480	msdcsc.exe
Token: 35	5480	msdcsc.exe
Token: 36	5480	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	2220	msdcsc.exe
Token: SeSecurityPrivilege	2220	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2220	msdcsc.exe
Token: SeLoadDriverPrivilege	2220	msdcsc.exe
Token: SeSystemProfilePrivilege	2220	msdcsc.exe
Token: SeSystemtimePrivilege	2220	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2220	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2220	msdcsc.exe
Token: SeCreatePagefilePrivilege	2220	msdcsc.exe
Token: SeBackupPrivilege	2220	msdcsc.exe
Token: SeRestorePrivilege	2220	msdcsc.exe
Token: SeShutdownPrivilege	2220	msdcsc.exe
Token: SeDebugPrivilege	2220	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2220	msdcsc.exe
Token: SeChangeNotifyPrivilege	2220	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2220	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5480	msdcsc.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 4520	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe	90
PID 3420 wrote to memory of 1460	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe	92
PID 5480 wrote to memory of 3416	5480	msdcsc.exe	95
PID 5480 wrote to memory of 3416	5480	msdcsc.exe	95
PID 4520 wrote to memory of 2228	4520	cmd.exe	96
PID 1460 wrote to memory of 3376	1460	cmd.exe	97
PID 3420 wrote to memory of 2220	3420	jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe	98

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2228	attrib.exe
3376	attrib.exe

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe" +s +h
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4520
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.DarkKomet.aagr.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2228
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1460
- - 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:3376
- C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
  "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2220

C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
1⤵
- Executes dropped EXE
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5480
- C:\Windows\notepad.exe
  notepad
  2⤵
  PID:3416

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

msdcsc.exe

Path C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
Size 658KB
SHA256 53f2fc167c09f0f67f21c539b1b3e6c2f640dccc417348eed63881d4bdd122ea
MD5 6c4e07dae0c57952cbb2b537c6c621d0
SHA1 d93853aaebb4370e82df00971ba3bdedb30ff025
SHA512 349b37a20788577cd722335784c9c94517af3f836aa9f14abc6642736783546a4eb0eb5cbca7dc365a3170aa9b63ce4bd6743a05771479aef8686e8d95eca44f
SSDEEP 12288:S9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFh:+iBIGkbxqEcjsWiDxguehC2SO
TLSH
T1CBE48E31F2808837D9721A788C5B92E5943A7E202E39754B76E62F4C5F3D6C239263D7
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2220-5-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/3420-0-0x000000000049D000-0x000000000049F000-memory.dmp

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memory/3420-1-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/3420-7-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/5480-3-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/5480-8-0x0000000000400000-0x00000000004B2000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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