darkcomet | f018c0d14c1b9ef5421920538e3e0efe33c91fa3bcd7b56fde9252bf0f5b04ef

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/10/2024, 12:12

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Size 708KB
Sample241016-pdcl5sydnd
SHA256 f018c0d14c1b9ef5421920538e3e0efe33c91fa3bcd7b56fde9252bf0f5b04ef
MD5 4cc6c28d2beacff83e9f12bfc0120565
SHA1 a1c8e595a6d1ac1043fe50e93d87e883d54a3fdf
SHA512 bd8aa7e44c1e780d41af98970073c39fd399145e9cd55d05f69511aa4dcdc6d964844a128c8ea38aab0f9804466c796fec3907186b83cbac68567c035e070fc9
SSDEEP 12288:eIh4EY1awKtBnrtw8bzRpyMObDkeFsB7pyCEbSTiTwRkfy9h4ORA/KjWHZ1dAx9u:eFoXBnpw8bzRhObDkvEbSDKC2UmKaHZd
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

minunip.no-ip.org:99

Mutex

DC_MUTEX-UZ2SU8T

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
zXVjGZvnzDQ0
install
true
offline_keylogger
true
persistence
true
reg_key
rundll32

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:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2824	msdcsc.exe
1120	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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4256 set thread context of 1580	4256	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	87
PID 2824 set thread context of 1120	2824	msdcsc.exe	89

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 4 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	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.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\	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeSecurityPrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeBackupPrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeRestorePrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeShutdownPrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeDebugPrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeUndockPrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: 33	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: 34	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: 35	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: 36	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1120	msdcsc.exe
Token: SeSecurityPrivilege	1120	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1120	msdcsc.exe
Token: SeLoadDriverPrivilege	1120	msdcsc.exe
Token: SeSystemProfilePrivilege	1120	msdcsc.exe
Token: SeSystemtimePrivilege	1120	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1120	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1120	msdcsc.exe
Token: SeCreatePagefilePrivilege	1120	msdcsc.exe
Token: SeBackupPrivilege	1120	msdcsc.exe
Token: SeRestorePrivilege	1120	msdcsc.exe
Token: SeShutdownPrivilege	1120	msdcsc.exe
Token: SeDebugPrivilege	1120	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1120	msdcsc.exe
Token: SeChangeNotifyPrivilege	1120	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1120	msdcsc.exe
Token: SeUndockPrivilege	1120	msdcsc.exe
Token: SeManageVolumePrivilege	1120	msdcsc.exe
Token: SeImpersonatePrivilege	1120	msdcsc.exe
Token: SeCreateGlobalPrivilege	1120	msdcsc.exe
Token: 33	1120	msdcsc.exe
Token: 34	1120	msdcsc.exe
Token: 35	1120	msdcsc.exe
Token: 36	1120	msdcsc.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4256	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
4256	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
2824	msdcsc.exe
2824	msdcsc.exe
1120	msdcsc.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 1580	4256	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	87
PID 4256 wrote to memory of 1580	4256	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	87
PID 4256 wrote to memory of 1580	4256	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	87
PID 4256 wrote to memory of 1580	4256	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	87
PID 4256 wrote to memory of 1580	4256	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	87
PID 4256 wrote to memory of 1580	4256	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	87
PID 4256 wrote to memory of 1580	4256	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	87
PID 4256 wrote to memory of 1580	4256	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	87
PID 4256 wrote to memory of 1580	4256	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	87
PID 4256 wrote to memory of 1580	4256	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	87
PID 4256 wrote to memory of 1580	4256	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	87
PID 4256 wrote to memory of 1580	4256	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	87
PID 4256 wrote to memory of 1580	4256	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	87
PID 1580 wrote to memory of 2824	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	88
PID 1580 wrote to memory of 2824	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	88
PID 1580 wrote to memory of 2824	1580	4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe	88
PID 2824 wrote to memory of 1120	2824	msdcsc.exe	89
PID 2824 wrote to memory of 1120	2824	msdcsc.exe	89
PID 2824 wrote to memory of 1120	2824	msdcsc.exe	89
PID 2824 wrote to memory of 1120	2824	msdcsc.exe	89
PID 2824 wrote to memory of 1120	2824	msdcsc.exe	89
PID 2824 wrote to memory of 1120	2824	msdcsc.exe	89
PID 2824 wrote to memory of 1120	2824	msdcsc.exe	89
PID 2824 wrote to memory of 1120	2824	msdcsc.exe	89
PID 2824 wrote to memory of 1120	2824	msdcsc.exe	89
PID 2824 wrote to memory of 1120	2824	msdcsc.exe	89
PID 2824 wrote to memory of 1120	2824	msdcsc.exe	89
PID 2824 wrote to memory of 1120	2824	msdcsc.exe	89
PID 2824 wrote to memory of 1120	2824	msdcsc.exe	89

C:\Users\Admin\AppData\Local\Temp\4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4256
- C:\Users\Admin\AppData\Local\Temp\4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\4cc6c28d2beacff83e9f12bfc0120565_JaffaCakes118.exe
  2⤵
  - 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:1580
- - C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
    "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2824
  - - C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1120

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

Replay Monitor

Loading Replay Monitor...

Downloads

msdcsc.exe

Path C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
Size 708KB
SHA256 f018c0d14c1b9ef5421920538e3e0efe33c91fa3bcd7b56fde9252bf0f5b04ef
MD5 4cc6c28d2beacff83e9f12bfc0120565
SHA1 a1c8e595a6d1ac1043fe50e93d87e883d54a3fdf
SHA512 bd8aa7e44c1e780d41af98970073c39fd399145e9cd55d05f69511aa4dcdc6d964844a128c8ea38aab0f9804466c796fec3907186b83cbac68567c035e070fc9
SSDEEP 12288:eIh4EY1awKtBnrtw8bzRpyMObDkeFsB7pyCEbSTiTwRkfy9h4ORA/KjWHZ1dAx9u:eFoXBnpw8bzRhObDkvEbSDKC2UmKaHZd
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1120-79-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-90-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-92-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-91-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-89-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-88-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-80-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-87-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-78-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-77-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-81-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-82-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-83-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-84-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-85-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1120-86-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1580-2-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1580-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1580-1-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1580-0-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1580-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

memory/1580-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads