darkcomet | 1a29bb4d7510af7ddc962ee6bfcebf56eace4eea9ec32b10e3540d81ab5926a1

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2025, 00:40

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General

Target

JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Size

660KB
MD5

76a1e8958e7dd2305ea7b7418d716460
SHA1

32fef7cf68bac0b07ddea566e133b1b675feed6f
SHA256

1a29bb4d7510af7ddc962ee6bfcebf56eace4eea9ec32b10e3540d81ab5926a1
SHA512

140b935f6ecedcab3dd4edd7b5f950a5e6c7ebd6db5829480143b2df71743070bd86b51c7a2808f22edc1208ac268af1c1116d70357a9da6f8334b70ea41fff5
SSDEEP

12288:UXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452U1:CnAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jl

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

statixrat.no-ip.info:4444

Mutex

DC_MUTEX-F54S21D

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
bsjvNpURtHvd
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"	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.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	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe

Deletes itself 1 IoCs

pid	Process
4944	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
1656	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"	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.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	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.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\	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeSecurityPrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeTakeOwnershipPrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeLoadDriverPrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeSystemProfilePrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeSystemtimePrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeProfSingleProcessPrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeIncBasePriorityPrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeCreatePagefilePrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeBackupPrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeRestorePrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeShutdownPrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeDebugPrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeSystemEnvironmentPrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeChangeNotifyPrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeRemoteShutdownPrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeUndockPrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeManageVolumePrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeImpersonatePrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeCreateGlobalPrivilege	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: 33	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: 34	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: 35	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: 36	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
Token: SeIncreaseQuotaPrivilege	1656	msdcsc.exe
Token: SeSecurityPrivilege	1656	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1656	msdcsc.exe
Token: SeLoadDriverPrivilege	1656	msdcsc.exe
Token: SeSystemProfilePrivilege	1656	msdcsc.exe
Token: SeSystemtimePrivilege	1656	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1656	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1656	msdcsc.exe
Token: SeCreatePagefilePrivilege	1656	msdcsc.exe
Token: SeBackupPrivilege	1656	msdcsc.exe
Token: SeRestorePrivilege	1656	msdcsc.exe
Token: SeShutdownPrivilege	1656	msdcsc.exe
Token: SeDebugPrivilege	1656	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1656	msdcsc.exe
Token: SeChangeNotifyPrivilege	1656	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1656	msdcsc.exe
Token: SeUndockPrivilege	1656	msdcsc.exe
Token: SeManageVolumePrivilege	1656	msdcsc.exe
Token: SeImpersonatePrivilege	1656	msdcsc.exe
Token: SeCreateGlobalPrivilege	1656	msdcsc.exe
Token: 33	1656	msdcsc.exe
Token: 34	1656	msdcsc.exe
Token: 35	1656	msdcsc.exe
Token: 36	1656	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1656	msdcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 4944	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	83
PID 4368 wrote to memory of 1656	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	84
PID 4368 wrote to memory of 1656	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	84
PID 4368 wrote to memory of 1656	4368	JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76a1e8958e7dd2305ea7b7418d716460.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:4368
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4944
- 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:1656

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
660KB

MD5
76a1e8958e7dd2305ea7b7418d716460

SHA1
32fef7cf68bac0b07ddea566e133b1b675feed6f

SHA256
1a29bb4d7510af7ddc962ee6bfcebf56eace4eea9ec32b10e3540d81ab5926a1

SHA512
140b935f6ecedcab3dd4edd7b5f950a5e6c7ebd6db5829480143b2df71743070bd86b51c7a2808f22edc1208ac268af1c1116d70357a9da6f8334b70ea41fff5

Download Submit
memory/1656-72-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1656-71-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1656-62-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/1656-78-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1656-65-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1656-66-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1656-67-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1656-68-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1656-77-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1656-69-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1656-70-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1656-76-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1656-73-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1656-74-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1656-75-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4368-0-0x0000000002380000-0x0000000002381000-memory.dmp

Filesize
4KB

Download
memory/4368-63-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4944-3-0x0000000001070000-0x0000000001071000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads