Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250410-en
  • resource tags

    arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    18/04/2025, 21:52

General

  • Target

    JaffaCakes118_bfe78d863289884c1eb72dd4c17ec33b.exe

  • Size

    1.3MB

  • MD5

    bfe78d863289884c1eb72dd4c17ec33b

  • SHA1

    e004f1d015a7b3259bf1d412f9a01561d2ddc81c

  • SHA256

    ca59df6efbf56fe0a4bdce6782ea7cb03a715e521ee9d1764f03255af0ca1630

  • SHA512

    9ce57085c4f95b6e8237ac50bbd4cba78da8f49bc32620e820ec0a4f93725f69609fe00d8b11c0ad82cbf20effed5919a0aa69db62aacb37c565e89bd8bf3d57

  • SSDEEP

    24576:aV0tD8gqyAHBXP8zcofDuDd0QSZgYpPVbOQE:+0l8TphkhqyXZvPMQE

Malware Config

Extracted

Family

darkcomet

Botnet

Opfer

C2

panzaknacka.hopto.org:1337

Mutex

9DQS7WD

Attributes
  • InstallPath

    MSDCSC\windriver.exe

  • gencode

    GXt9PyrYl0Ye

  • install

    true

  • offline_keylogger

    true

  • password

    twitch

  • persistence

    false

  • reg_key

    windriver

rc4.plain

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Darkcomet family
  • ISR Stealer

    ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

  • ISR Stealer payload 25 IoCs
  • Isrstealer family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Detected Nirsoft tools 2 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • Executes dropped EXE 4 IoCs
  • 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.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bfe78d863289884c1eb72dd4c17ec33b.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bfe78d863289884c1eb72dd4c17ec33b.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Identifies Wine through registry keys
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:6012
    • C:\Users\Admin\AppData\Local\Temp\LEAGUEOFLEGENDS.EXE
      "C:\Users\Admin\AppData\Local\Temp\LEAGUEOFLEGENDS.EXE"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3508
      • C:\Users\Admin\AppData\Local\Temp\LEAGUEOFLEGENDS.EXE
        /scomma "C:\Users\Admin\AppData\Local\Temp\Jc5vSjRA9d.ini"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3960
      • C:\Users\Admin\AppData\Local\Temp\LEAGUEOFLEGENDS.EXE
        /scomma "C:\Users\Admin\AppData\Local\Temp\VCaukDRtQc.ini"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:1932
    • C:\Windows\SysWOW64\MSDCSC\windriver.exe
      "C:\Windows\system32\MSDCSC\windriver.exe"
      2⤵
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4892
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\system32\MSDCSC\windriver.exe
    1⤵
      PID:3180

    Network

    MITRE ATT&CK Enterprise v16

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Jc5vSjRA9d.ini

      Filesize

      5B

      MD5

      d1ea279fb5559c020a1b4137dc4de237

      SHA1

      db6f8988af46b56216a6f0daf95ab8c9bdb57400

      SHA256

      fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba

      SHA512

      720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

    • C:\Users\Admin\AppData\Local\Temp\LEAGUEOFLEGENDS.EXE

      Filesize

      260KB

      MD5

      4ec3a61c143a4c5e3971b6c8e9f0f4fb

      SHA1

      cf847aef12230444c9e877909b5e77d4b0348def

      SHA256

      61bb703efbb4dec300ab8454483b3e543fe884a080bee473df8900480c3ba098

      SHA512

      9f6c42d920b050c6d3062e2a9b06a8ae6d3166bffe5fa7b953315a2c23770d651104544548bf330728592f03d89eda0af8162a41a37aa8a40a3cac48a82242f5

    • C:\Windows\SysWOW64\MSDCSC\windriver.exe

      Filesize

      1.3MB

      MD5

      bfe78d863289884c1eb72dd4c17ec33b

      SHA1

      e004f1d015a7b3259bf1d412f9a01561d2ddc81c

      SHA256

      ca59df6efbf56fe0a4bdce6782ea7cb03a715e521ee9d1764f03255af0ca1630

      SHA512

      9ce57085c4f95b6e8237ac50bbd4cba78da8f49bc32620e820ec0a4f93725f69609fe00d8b11c0ad82cbf20effed5919a0aa69db62aacb37c565e89bd8bf3d57

    • memory/1932-52-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1932-51-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1932-50-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1932-48-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/3960-27-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/3960-31-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/3960-28-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/3960-24-0x0000000000400000-0x0000000000453000-memory.dmp

      Filesize

      332KB

    • memory/4892-57-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/4892-60-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/4892-67-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/4892-66-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/4892-65-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/4892-64-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/4892-44-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/4892-63-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/4892-62-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/4892-61-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/4892-59-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/4892-58-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/4892-56-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/4892-54-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/4892-55-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/6012-1-0x0000000000401000-0x000000000044F000-memory.dmp

      Filesize

      312KB

    • memory/6012-0-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/6012-2-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/6012-3-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/6012-9-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/6012-4-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/6012-6-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/6012-45-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/6012-7-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/6012-33-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/6012-29-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB

    • memory/6012-8-0x0000000000400000-0x000000000068D000-memory.dmp

      Filesize

      2.6MB