darkcomet | bab4f183d78fb2db25d4576ce132c730778973969dcc539caca18ecbc0e29025

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 06:10

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General

Target

JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Size

674KB
MD5

6322d517520829f4f5e5d69ec7ba9cb0
SHA1

27cb2952f384302ef3e0907b2e17063872e4e019
SHA256

bab4f183d78fb2db25d4576ce132c730778973969dcc539caca18ecbc0e29025
SHA512

6513e8ac6181c1039c010c749e1fce3ca5f35ce245e730edeee1dffcc1d97f126e32210a0120ee6ebc5cdd2d31c66d3ba9f767e329d31f77119d2fb2e5156156
SSDEEP

12288:Y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hy6:MZ1xuVVjfFoynPaVBUR8f+kN10EB1

Score

10^/10

darkcomet guest16 discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

5pud.no-ip.org:1604

Mutex

DC_MUTEX-V4ELZGD

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
tCFYURiQNrDh
install
true
offline_keylogger
true
persistence
false
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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe"	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	msdcsc.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
1384	attrib.exe
4476	attrib.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe

Executes dropped EXE 1 IoCs

pid	Process
2100	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe"	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.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 6 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_6322d517520829f4f5e5d69ec7ba9cb0.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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeSecurityPrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeTakeOwnershipPrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeLoadDriverPrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeSystemProfilePrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeSystemtimePrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeProfSingleProcessPrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeIncBasePriorityPrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeCreatePagefilePrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeBackupPrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeRestorePrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeShutdownPrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeDebugPrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeSystemEnvironmentPrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeChangeNotifyPrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeRemoteShutdownPrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeUndockPrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeManageVolumePrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeImpersonatePrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeCreateGlobalPrivilege	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: 33	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: 34	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: 35	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: 36	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeIncreaseQuotaPrivilege	2100	msdcsc.exe
Token: SeSecurityPrivilege	2100	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2100	msdcsc.exe
Token: SeLoadDriverPrivilege	2100	msdcsc.exe
Token: SeSystemProfilePrivilege	2100	msdcsc.exe
Token: SeSystemtimePrivilege	2100	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2100	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2100	msdcsc.exe
Token: SeCreatePagefilePrivilege	2100	msdcsc.exe
Token: SeBackupPrivilege	2100	msdcsc.exe
Token: SeRestorePrivilege	2100	msdcsc.exe
Token: SeShutdownPrivilege	2100	msdcsc.exe
Token: SeDebugPrivilege	2100	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2100	msdcsc.exe
Token: SeChangeNotifyPrivilege	2100	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2100	msdcsc.exe
Token: SeUndockPrivilege	2100	msdcsc.exe
Token: SeManageVolumePrivilege	2100	msdcsc.exe
Token: SeImpersonatePrivilege	2100	msdcsc.exe
Token: SeCreateGlobalPrivilege	2100	msdcsc.exe
Token: 33	2100	msdcsc.exe
Token: 34	2100	msdcsc.exe
Token: 35	2100	msdcsc.exe
Token: 36	2100	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2100	msdcsc.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3924 wrote to memory of 3388	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	92
PID 3924 wrote to memory of 3388	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	92
PID 3924 wrote to memory of 3388	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	92
PID 3924 wrote to memory of 2756	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	94
PID 3924 wrote to memory of 2756	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	94
PID 3924 wrote to memory of 2756	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	94
PID 3388 wrote to memory of 1384	3388	cmd.exe	96
PID 3388 wrote to memory of 1384	3388	cmd.exe	96
PID 3388 wrote to memory of 1384	3388	cmd.exe	96
PID 2756 wrote to memory of 4476	2756	cmd.exe	97
PID 2756 wrote to memory of 4476	2756	cmd.exe	97
PID 2756 wrote to memory of 4476	2756	cmd.exe	97
PID 3924 wrote to memory of 2100	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	98
PID 3924 wrote to memory of 2100	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	98
PID 3924 wrote to memory of 2100	3924	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	98

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1384	attrib.exe
4476	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.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:3924
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3388
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:1384
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2756
- - 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:4476
- C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe
  "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies security service
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2100

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe

Filesize
674KB

MD5
6322d517520829f4f5e5d69ec7ba9cb0

SHA1
27cb2952f384302ef3e0907b2e17063872e4e019

SHA256
bab4f183d78fb2db25d4576ce132c730778973969dcc539caca18ecbc0e29025

SHA512
6513e8ac6181c1039c010c749e1fce3ca5f35ce245e730edeee1dffcc1d97f126e32210a0120ee6ebc5cdd2d31c66d3ba9f767e329d31f77119d2fb2e5156156

Download Submit
memory/2100-67-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2100-73-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2100-69-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2100-70-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2100-64-0x0000000002270000-0x0000000002271000-memory.dmp

Filesize
4KB

Download
memory/2100-65-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2100-66-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2100-68-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2100-77-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2100-76-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2100-63-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2100-71-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2100-72-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2100-61-0x0000000002270000-0x0000000002271000-memory.dmp

Filesize
4KB

Download
memory/2100-74-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2100-75-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/3924-62-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/3924-0-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads