darkcomet | bbca032c041e362e0e16fa9feb8d4f922302cbedd37d7a82723d9f48c4942e07

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2025, 18:51

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General

Target

JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Size

4.3MB
MD5

92f1fec21358cd78e8e4ac141f306a51
SHA1

bb04365c02979696b716ff338b4c753ed6b9216c
SHA256

bbca032c041e362e0e16fa9feb8d4f922302cbedd37d7a82723d9f48c4942e07
SHA512

c30225b9e9b1a9eef4d4bb91a769ae9fc18122e85764a76ff173626dcb04591c35400fc452a4da572930df02caa1c1b2ca521154947c6faf609e465a7de52065
SSDEEP

98304:9N9i17FiopkxhnabECb3bgr7nbmD2dXol+7r7QpV3FU/x8:rQ17FimkatgvHJol07ud

Score

10^/10

darkcomet rat5 defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

rat5

hacker1qaz.no-ip.org:4445

Mutex

DC_MUTEX-D9Y8Z5C

Attributes

InstallPath
ysdcsc.exe
gencode
wdiS39FWlk0u
install
true
offline_keylogger
false
persistence
true
reg_key
MicosoftUpdate

rc4.plain

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\\ysdcsc.exe"	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	ysdcsc.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-1-5-21-1062200478-553497403-3857448183-1000\Control Panel\International\Geo\Nation	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe

Executes dropped EXE 1 IoCs

pid	Process
5892	ysdcsc.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Software\Wine	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Key opened	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Software\Wine	ysdcsc.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-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicosoftUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\ysdcsc.exe"	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicosoftUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\ysdcsc.exe"	ysdcsc.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
5892	ysdcsc.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 2 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_92f1fec21358cd78e8e4ac141f306a51.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ysdcsc.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
5892	ysdcsc.exe
5892	ysdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeSecurityPrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeTakeOwnershipPrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeLoadDriverPrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeSystemProfilePrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeSystemtimePrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeProfSingleProcessPrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeIncBasePriorityPrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeCreatePagefilePrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeBackupPrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeRestorePrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeShutdownPrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeDebugPrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeSystemEnvironmentPrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeChangeNotifyPrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeRemoteShutdownPrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeUndockPrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeManageVolumePrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeImpersonatePrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeCreateGlobalPrivilege	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: 33	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: 34	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: 35	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: 36	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
Token: SeIncreaseQuotaPrivilege	5892	ysdcsc.exe
Token: SeSecurityPrivilege	5892	ysdcsc.exe
Token: SeTakeOwnershipPrivilege	5892	ysdcsc.exe
Token: SeLoadDriverPrivilege	5892	ysdcsc.exe
Token: SeSystemProfilePrivilege	5892	ysdcsc.exe
Token: SeSystemtimePrivilege	5892	ysdcsc.exe
Token: SeProfSingleProcessPrivilege	5892	ysdcsc.exe
Token: SeIncBasePriorityPrivilege	5892	ysdcsc.exe
Token: SeCreatePagefilePrivilege	5892	ysdcsc.exe
Token: SeBackupPrivilege	5892	ysdcsc.exe
Token: SeRestorePrivilege	5892	ysdcsc.exe
Token: SeShutdownPrivilege	5892	ysdcsc.exe
Token: SeDebugPrivilege	5892	ysdcsc.exe
Token: SeSystemEnvironmentPrivilege	5892	ysdcsc.exe
Token: SeChangeNotifyPrivilege	5892	ysdcsc.exe
Token: SeRemoteShutdownPrivilege	5892	ysdcsc.exe
Token: SeUndockPrivilege	5892	ysdcsc.exe
Token: SeManageVolumePrivilege	5892	ysdcsc.exe
Token: SeImpersonatePrivilege	5892	ysdcsc.exe
Token: SeCreateGlobalPrivilege	5892	ysdcsc.exe
Token: 33	5892	ysdcsc.exe
Token: 34	5892	ysdcsc.exe
Token: 35	5892	ysdcsc.exe
Token: 36	5892	ysdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5764 wrote to memory of 5892	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe	92
PID 5764 wrote to memory of 5892	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe	92
PID 5764 wrote to memory of 5892	5764	JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92f1fec21358cd78e8e4ac141f306a51.exe"
1⤵
- Modifies WinLogon for persistence
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks computer location settings
- Identifies Wine through registry keys
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5764
- C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
  "C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5892

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
1⤵
PID:1956

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
1⤵
PID:6120

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
1⤵
PID:4008

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
1⤵
PID:2948

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
1⤵
PID:5712

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
1⤵
PID:5728

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
1⤵
PID:852

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
1⤵
PID:5932

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
1⤵
PID:2960

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
1⤵
PID:5092

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
1⤵
PID:5228

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
1⤵
PID:888

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
1⤵
PID:3020

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
1⤵
PID:440

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
1⤵
PID:4608

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe
1⤵
PID:4748

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

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\ysdcsc.exe

Filesize
4.3MB

MD5
92f1fec21358cd78e8e4ac141f306a51

SHA1
bb04365c02979696b716ff338b4c753ed6b9216c

SHA256
bbca032c041e362e0e16fa9feb8d4f922302cbedd37d7a82723d9f48c4942e07

SHA512
c30225b9e9b1a9eef4d4bb91a769ae9fc18122e85764a76ff173626dcb04591c35400fc452a4da572930df02caa1c1b2ca521154947c6faf609e465a7de52065

Download Submit
memory/5764-0-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5764-1-0x00000000779D4000-0x00000000779D6000-memory.dmp

Filesize
8KB

Download
memory/5764-2-0x0000000000401000-0x000000000044E000-memory.dmp

Filesize
308KB

Download
memory/5764-3-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5764-4-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5764-5-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5764-8-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5764-15-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-78-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-84-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-71-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-72-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-73-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-74-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-75-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-76-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-77-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-69-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-79-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-80-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-81-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-82-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-83-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-70-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-85-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-86-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-87-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-88-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-89-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-90-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-91-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-92-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-93-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-94-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-95-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-96-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-97-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download
memory/5892-98-0x0000000000400000-0x0000000000D44000-memory.dmp

Filesize
9.3MB

Download