darkcomet | bab4f183d78fb2db25d4576ce132c730778973969dcc539caca18ecbc0e29025

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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
2124	attrib.exe
264	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2172	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.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-1-5-21-3551809350-4263495960-1443967649-1000\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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeSecurityPrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeTakeOwnershipPrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeLoadDriverPrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeSystemProfilePrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeSystemtimePrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeProfSingleProcessPrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeIncBasePriorityPrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeCreatePagefilePrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeBackupPrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeRestorePrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeShutdownPrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeDebugPrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeSystemEnvironmentPrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeChangeNotifyPrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeRemoteShutdownPrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeUndockPrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeManageVolumePrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeImpersonatePrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeCreateGlobalPrivilege	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: 33	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: 34	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: 35	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe
Token: SeIncreaseQuotaPrivilege	2172	msdcsc.exe
Token: SeSecurityPrivilege	2172	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2172	msdcsc.exe
Token: SeLoadDriverPrivilege	2172	msdcsc.exe
Token: SeSystemProfilePrivilege	2172	msdcsc.exe
Token: SeSystemtimePrivilege	2172	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2172	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2172	msdcsc.exe
Token: SeCreatePagefilePrivilege	2172	msdcsc.exe
Token: SeBackupPrivilege	2172	msdcsc.exe
Token: SeRestorePrivilege	2172	msdcsc.exe
Token: SeShutdownPrivilege	2172	msdcsc.exe
Token: SeDebugPrivilege	2172	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2172	msdcsc.exe
Token: SeChangeNotifyPrivilege	2172	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2172	msdcsc.exe
Token: SeUndockPrivilege	2172	msdcsc.exe
Token: SeManageVolumePrivilege	2172	msdcsc.exe
Token: SeImpersonatePrivilege	2172	msdcsc.exe
Token: SeCreateGlobalPrivilege	2172	msdcsc.exe
Token: 33	2172	msdcsc.exe
Token: 34	2172	msdcsc.exe
Token: 35	2172	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2172	msdcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 1976	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	31
PID 2552 wrote to memory of 1976	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	31
PID 2552 wrote to memory of 1976	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	31
PID 2552 wrote to memory of 1976	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	31
PID 2552 wrote to memory of 1836	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	32
PID 2552 wrote to memory of 1836	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	32
PID 2552 wrote to memory of 1836	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	32
PID 2552 wrote to memory of 1836	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	32
PID 1976 wrote to memory of 264	1976	cmd.exe	35
PID 1976 wrote to memory of 264	1976	cmd.exe	35
PID 1976 wrote to memory of 264	1976	cmd.exe	35
PID 1976 wrote to memory of 264	1976	cmd.exe	35
PID 1836 wrote to memory of 2124	1836	cmd.exe	36
PID 1836 wrote to memory of 2124	1836	cmd.exe	36
PID 1836 wrote to memory of 2124	1836	cmd.exe	36
PID 1836 wrote to memory of 2124	1836	cmd.exe	36
PID 2552 wrote to memory of 2172	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	37
PID 2552 wrote to memory of 2172	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	37
PID 2552 wrote to memory of 2172	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	37
PID 2552 wrote to memory of 2172	2552	JaffaCakes118_6322d517520829f4f5e5d69ec7ba9cb0.exe	37

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2124	attrib.exe
264	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
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2552
- 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:1976
- - 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:264
- 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:1836
- - 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:2124
- 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:2172

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

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/2172-18-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2172-17-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2172-13-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2172-14-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2172-19-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2172-16-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2172-26-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2172-25-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2172-15-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2172-20-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2172-21-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2172-22-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2172-23-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2172-24-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2552-0-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2552-12-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads