darkcomet | 48cdd4b24a56ca0e6ff30aa00eb3d6532484357e931a8f5899fb60471e43eaa5

Analysis

max time kernel
298s
max time network
205s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/10/2024, 15:07

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General

Target

KaanAbiPlzDene.exe
Size

658KB
MD5

90d939df124d1c82d76426280b1fa2c9
SHA1

47f728df8000c0900e6d690f2dec80a6ac05acd6
SHA256

48cdd4b24a56ca0e6ff30aa00eb3d6532484357e931a8f5899fb60471e43eaa5
SHA512

4c4497b206ddedfe9cd80bb0fddf91a7f792843a2f24e4bdd3fb9a6f11485d1d4ab5abc3120216306b75a232e051fdeb30c796d9d6ee26c87eef1344e368f451
SSDEEP

12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hA:KZ1xuVVjfFoynPaVBUR8f+kN10EBC

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

onsj8tw.localto.net:4441

Mutex

DC_MUTEX-TE42XFY

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
bK7rR71v3MxK
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

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:\\Windows\\MSDCSC\\msdcsc.exe"	KaanAbiPlzDene.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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	KaanAbiPlzDene.exe

Deletes itself 1 IoCs

pid	Process
3048	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
1148	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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe"	KaanAbiPlzDene.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\MSDCSC\msdcsc.exe	KaanAbiPlzDene.exe
File opened for modification	C:\Windows\MSDCSC\	KaanAbiPlzDene.exe
File created	C:\Windows\MSDCSC\msdcsc.exe	KaanAbiPlzDene.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	KaanAbiPlzDene.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\	KaanAbiPlzDene.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3420	KaanAbiPlzDene.exe
Token: SeSecurityPrivilege	3420	KaanAbiPlzDene.exe
Token: SeTakeOwnershipPrivilege	3420	KaanAbiPlzDene.exe
Token: SeLoadDriverPrivilege	3420	KaanAbiPlzDene.exe
Token: SeSystemProfilePrivilege	3420	KaanAbiPlzDene.exe
Token: SeSystemtimePrivilege	3420	KaanAbiPlzDene.exe
Token: SeProfSingleProcessPrivilege	3420	KaanAbiPlzDene.exe
Token: SeIncBasePriorityPrivilege	3420	KaanAbiPlzDene.exe
Token: SeCreatePagefilePrivilege	3420	KaanAbiPlzDene.exe
Token: SeBackupPrivilege	3420	KaanAbiPlzDene.exe
Token: SeRestorePrivilege	3420	KaanAbiPlzDene.exe
Token: SeShutdownPrivilege	3420	KaanAbiPlzDene.exe
Token: SeDebugPrivilege	3420	KaanAbiPlzDene.exe
Token: SeSystemEnvironmentPrivilege	3420	KaanAbiPlzDene.exe
Token: SeChangeNotifyPrivilege	3420	KaanAbiPlzDene.exe
Token: SeRemoteShutdownPrivilege	3420	KaanAbiPlzDene.exe
Token: SeUndockPrivilege	3420	KaanAbiPlzDene.exe
Token: SeManageVolumePrivilege	3420	KaanAbiPlzDene.exe
Token: SeImpersonatePrivilege	3420	KaanAbiPlzDene.exe
Token: SeCreateGlobalPrivilege	3420	KaanAbiPlzDene.exe
Token: 33	3420	KaanAbiPlzDene.exe
Token: 34	3420	KaanAbiPlzDene.exe
Token: 35	3420	KaanAbiPlzDene.exe
Token: 36	3420	KaanAbiPlzDene.exe
Token: SeIncreaseQuotaPrivilege	1148	msdcsc.exe
Token: SeSecurityPrivilege	1148	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1148	msdcsc.exe
Token: SeLoadDriverPrivilege	1148	msdcsc.exe
Token: SeSystemProfilePrivilege	1148	msdcsc.exe
Token: SeSystemtimePrivilege	1148	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1148	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1148	msdcsc.exe
Token: SeCreatePagefilePrivilege	1148	msdcsc.exe
Token: SeBackupPrivilege	1148	msdcsc.exe
Token: SeRestorePrivilege	1148	msdcsc.exe
Token: SeShutdownPrivilege	1148	msdcsc.exe
Token: SeDebugPrivilege	1148	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1148	msdcsc.exe
Token: SeChangeNotifyPrivilege	1148	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1148	msdcsc.exe
Token: SeUndockPrivilege	1148	msdcsc.exe
Token: SeManageVolumePrivilege	1148	msdcsc.exe
Token: SeImpersonatePrivilege	1148	msdcsc.exe
Token: SeCreateGlobalPrivilege	1148	msdcsc.exe
Token: 33	1148	msdcsc.exe
Token: 34	1148	msdcsc.exe
Token: 35	1148	msdcsc.exe
Token: 36	1148	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1148	msdcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 3048	3420	KaanAbiPlzDene.exe	82
PID 3420 wrote to memory of 1148	3420	KaanAbiPlzDene.exe	83
PID 3420 wrote to memory of 1148	3420	KaanAbiPlzDene.exe	83
PID 3420 wrote to memory of 1148	3420	KaanAbiPlzDene.exe	83

C:\Users\Admin\AppData\Local\Temp\KaanAbiPlzDene.exe
"C:\Users\Admin\AppData\Local\Temp\KaanAbiPlzDene.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3048
- C:\Windows\MSDCSC\msdcsc.exe
  "C:\Windows\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:1148

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:\Windows\MSDCSC\msdcsc.exe

Filesize
658KB

MD5
90d939df124d1c82d76426280b1fa2c9

SHA1
47f728df8000c0900e6d690f2dec80a6ac05acd6

SHA256
48cdd4b24a56ca0e6ff30aa00eb3d6532484357e931a8f5899fb60471e43eaa5

SHA512
4c4497b206ddedfe9cd80bb0fddf91a7f792843a2f24e4bdd3fb9a6f11485d1d4ab5abc3120216306b75a232e051fdeb30c796d9d6ee26c87eef1344e368f451

Download Submit
memory/1148-62-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/1148-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1148-66-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/3048-3-0x0000000000950000-0x0000000000951000-memory.dmp

Filesize
4KB

Download
memory/3420-0-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/3420-63-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads