darkcomet | 357cab69819115cbaa0b38d28475a482bef7413833192ec69356c224b39ca055

Analysis

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

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
21/03/2025, 13:43

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General

Target

JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Size

696KB
MD5

837395f66820a07b284bd9387b23acbd
SHA1

07bd605188d23001fe41f509b6ce8b88de5ee7f7
SHA256

357cab69819115cbaa0b38d28475a482bef7413833192ec69356c224b39ca055
SHA512

83add26a8f343e8679bee578e6dd00c1c6e111f2afaa100bc74427adb2d8954f93fa8522f3c5d1f3b9191776d138f653ebfca5a91cdaaf4a0df853ae8474adfe
SSDEEP

12288:Y9Ih4EY1awKtBnrtw8bzRpyMObDkeFsB7pyCEbSTiTwRkfy9h4ORA/KjWHZHdAxa:Y9FoXBnpw8bzRhObDkvEbSDKC2UmKaH/

Score

10^/10

darkcomet guest1 defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest1

127.0.0.1:

lilith.no-ip.biz:200

Mutex

DC_MUTEX-V5BBYPM

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
dBdrsjk8vnMY
install
true
offline_keylogger
true
persistence
true
reg_key
rundll32

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:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4704	attrib.exe
3844	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-1-5-21-814918696-1585701690-3140955116-1000\Control Panel\International\Geo\Nation	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe

Executes dropped EXE 2 IoCs

pid	Process
4824	msdcsc.exe
4916	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-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5668 set thread context of 1732	5668	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	89
PID 4824 set thread context of 4916	4824	msdcsc.exe	97

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 9 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_837395f66820a07b284bd9387b23acbd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_837395f66820a07b284bd9387b23acbd.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_837395f66820a07b284bd9387b23acbd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4916	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeSecurityPrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeTakeOwnershipPrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeLoadDriverPrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeSystemProfilePrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeSystemtimePrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeProfSingleProcessPrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeIncBasePriorityPrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeCreatePagefilePrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeBackupPrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeRestorePrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeShutdownPrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeDebugPrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeSystemEnvironmentPrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeChangeNotifyPrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeRemoteShutdownPrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeUndockPrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeManageVolumePrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeImpersonatePrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeCreateGlobalPrivilege	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: 33	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: 34	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: 35	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: 36	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeIncreaseQuotaPrivilege	4916	msdcsc.exe
Token: SeSecurityPrivilege	4916	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4916	msdcsc.exe
Token: SeLoadDriverPrivilege	4916	msdcsc.exe
Token: SeSystemProfilePrivilege	4916	msdcsc.exe
Token: SeSystemtimePrivilege	4916	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4916	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4916	msdcsc.exe
Token: SeCreatePagefilePrivilege	4916	msdcsc.exe
Token: SeBackupPrivilege	4916	msdcsc.exe
Token: SeRestorePrivilege	4916	msdcsc.exe
Token: SeShutdownPrivilege	4916	msdcsc.exe
Token: SeDebugPrivilege	4916	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4916	msdcsc.exe
Token: SeChangeNotifyPrivilege	4916	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4916	msdcsc.exe
Token: SeUndockPrivilege	4916	msdcsc.exe
Token: SeManageVolumePrivilege	4916	msdcsc.exe
Token: SeImpersonatePrivilege	4916	msdcsc.exe
Token: SeCreateGlobalPrivilege	4916	msdcsc.exe
Token: 33	4916	msdcsc.exe
Token: 34	4916	msdcsc.exe
Token: 35	4916	msdcsc.exe
Token: 36	4916	msdcsc.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5668	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
5668	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
4824	msdcsc.exe
4824	msdcsc.exe
4916	msdcsc.exe

Suspicious use of WriteProcessMemory 63 IoCs

description	pid	Process	procid_target
PID 5668 wrote to memory of 1732	5668	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	89
PID 5668 wrote to memory of 1732	5668	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	89
PID 5668 wrote to memory of 1732	5668	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	89
PID 5668 wrote to memory of 1732	5668	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	89
PID 5668 wrote to memory of 1732	5668	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	89
PID 5668 wrote to memory of 1732	5668	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	89
PID 5668 wrote to memory of 1732	5668	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	89
PID 5668 wrote to memory of 1732	5668	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	89
PID 5668 wrote to memory of 1732	5668	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	89
PID 5668 wrote to memory of 1732	5668	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	89
PID 5668 wrote to memory of 1732	5668	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	89
PID 5668 wrote to memory of 1732	5668	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	89
PID 5668 wrote to memory of 1732	5668	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	89
PID 1732 wrote to memory of 2016	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	90
PID 1732 wrote to memory of 2016	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	90
PID 1732 wrote to memory of 2016	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	90
PID 1732 wrote to memory of 3060	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	92
PID 1732 wrote to memory of 3060	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	92
PID 1732 wrote to memory of 3060	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	92
PID 2016 wrote to memory of 3844	2016	cmd.exe	94
PID 2016 wrote to memory of 3844	2016	cmd.exe	94
PID 2016 wrote to memory of 3844	2016	cmd.exe	94
PID 3060 wrote to memory of 4704	3060	cmd.exe	95
PID 3060 wrote to memory of 4704	3060	cmd.exe	95
PID 3060 wrote to memory of 4704	3060	cmd.exe	95
PID 1732 wrote to memory of 4824	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	96
PID 1732 wrote to memory of 4824	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	96
PID 1732 wrote to memory of 4824	1732	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	96
PID 4824 wrote to memory of 4916	4824	msdcsc.exe	97
PID 4824 wrote to memory of 4916	4824	msdcsc.exe	97
PID 4824 wrote to memory of 4916	4824	msdcsc.exe	97
PID 4824 wrote to memory of 4916	4824	msdcsc.exe	97
PID 4824 wrote to memory of 4916	4824	msdcsc.exe	97
PID 4824 wrote to memory of 4916	4824	msdcsc.exe	97
PID 4824 wrote to memory of 4916	4824	msdcsc.exe	97
PID 4824 wrote to memory of 4916	4824	msdcsc.exe	97
PID 4824 wrote to memory of 4916	4824	msdcsc.exe	97
PID 4824 wrote to memory of 4916	4824	msdcsc.exe	97
PID 4824 wrote to memory of 4916	4824	msdcsc.exe	97
PID 4824 wrote to memory of 4916	4824	msdcsc.exe	97
PID 4824 wrote to memory of 4916	4824	msdcsc.exe	97
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98
PID 4916 wrote to memory of 5084	4916	msdcsc.exe	98

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
3844	attrib.exe
4704	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5668
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_837395f66820a07b284bd9387b23acbd.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:1732
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2016
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:3844
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3060
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:4704
- - 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:4824
  - - 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 behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4916
    - - C:\Windows\SysWOW64\notepad.exe
        
        notepad
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:5084

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

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:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe

Filesize
696KB

MD5
837395f66820a07b284bd9387b23acbd

SHA1
07bd605188d23001fe41f509b6ce8b88de5ee7f7

SHA256
357cab69819115cbaa0b38d28475a482bef7413833192ec69356c224b39ca055

SHA512
83add26a8f343e8679bee578e6dd00c1c6e111f2afaa100bc74427adb2d8954f93fa8522f3c5d1f3b9191776d138f653ebfca5a91cdaaf4a0df853ae8474adfe

Download Submit
memory/1732-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1732-0-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1732-2-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1732-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1732-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1732-1-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4916-79-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4916-78-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4916-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4916-89-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4916-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4916-76-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4916-77-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4916-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4916-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4916-81-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4916-84-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4916-85-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4916-86-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4916-87-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5084-71-0x0000000000C10000-0x0000000000C11000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads