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Overview

overview

10

Static

static

5

83d7d8431c...18.exe

windows7-x64

10

83d7d8431c...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/05/2024, 10:05

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General

  • Target

    83d7d8431c1055df21e81daa45f67e9b_JaffaCakes118.exe

  • Size

    595KB

  • MD5

    83d7d8431c1055df21e81daa45f67e9b

  • SHA1

    1366bb8e8fbcbcaaf11658c4b33e9e7dcc5b2690

  • SHA256

    36f8ae17a6942261e7ee83e17b5d32ae6d2b943c7da5d2d3e9fcaa5733a1fee3

  • SHA512

    c824b97d889b6dc42dfe719464e543f1cd95b2492bb501cf80107e004e6d28e5266aba54f6f6a40dec0c5008e0803f4143d1b08a117912bc879aa89373afe4f2

  • SSDEEP

    6144:jpqoa8aLiC/2OLSAN7gNVpNleQUohBfGPOtQciXeL/XYqGlebojSP2pjNhcAYnCS:jpqiC/2OGAtkCP4cejGSOpRK3CXi

Score
10/10
evasionpersistence

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 4 IoCs
    persistence
  • Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Disables RegEdit via registry modification 2 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Sets file execution options in registry 2 TTPs 48 IoCs
    persistence
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
    persistence
  • Drops desktop.ini file(s) 5 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83d7d8431c1055df21e81daa45f67e9b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\83d7d8431c1055df21e81daa45f67e9b_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4464
    • C:\Users\Admin\AppData\Local\Temp\svchost.com
      "C:\Users\Admin\AppData\Local\Temp\svchost.com"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Sets file execution options in registry
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3616
      • C:\Program Files (x86)\Common Files\System\cftmon.exe
        "C:\Program Files (x86)\Common Files\System\cftmon.exe" stay_alive -in
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:952
        • C:\Program Files (x86)\Common Files\System\cftmon.exe
          "C:\Program Files (x86)\Common Files\System\cftmon.exe" stay_alive -r
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:3728
      • C:\Users\Admin\AppData\Local\Temp\svchost.com
        C:\Users\Admin\AppData\Local\Temp\svchost.com keep_fucking
        3⤵
        • Modifies WinLogon for persistence
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Disables RegEdit via registry modification
        • Sets file execution options in registry
        • Executes dropped EXE
        • Adds Run key to start application
        • Enumerates connected drives
        • Suspicious behavior: EnumeratesProcesses
        PID:4936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\svchost.com
    Filesize

    595KB

    MD5

    83d7d8431c1055df21e81daa45f67e9b

    SHA1

    1366bb8e8fbcbcaaf11658c4b33e9e7dcc5b2690

    SHA256

    36f8ae17a6942261e7ee83e17b5d32ae6d2b943c7da5d2d3e9fcaa5733a1fee3

    SHA512

    c824b97d889b6dc42dfe719464e543f1cd95b2492bb501cf80107e004e6d28e5266aba54f6f6a40dec0c5008e0803f4143d1b08a117912bc879aa89373afe4f2

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  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\cache\desktop.ini
    Filesize

    129B

    MD5

    a526b9e7c716b3489d8cc062fbce4005

    SHA1

    2df502a944ff721241be20a9e449d2acd07e0312

    SHA256

    e1b9ce9b57957b1a0607a72a057d6b7a9b34ea60f3f8aa8f38a3af979bd23066

    SHA512

    d83d4c656c96c3d1809ad06ce78fa09a77781461c99109e4b81d1a186fc533a7e72d65a4cb7edf689eeccda8f687a13d3276f1111a1e72f7c3cd92a49bce0f88

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  • memory/4464-0-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

    Download