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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
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-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
  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 64 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 system certificate store 2 TTPs 3 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83d7d8431c1055df21e81daa45f67e9b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\83d7d8431c1055df21e81daa45f67e9b_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2184
    • 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
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      • 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 system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1908
      • C:\Program Files (x86)\Common Files\System\cftmon.exe
        "C:\Program Files (x86)\Common Files\System\cftmon.exe" stay_alive -in
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2796
        • 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:2972
      • 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
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Suspicious behavior: EnumeratesProcesses
        PID:2560

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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  • C:\Users\Admin\AppData\Local\Temp\Tar3D07.tmp
    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    Download Submit

  • 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/2184-0-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

    Download