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Overview

overview

10

Static

static

5

83d7d8431c...18.exe

windows7-x64

10

83d7d8431c...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    83d7d8431c1055df21e81daa45f67e9b_JaffaCakes118

  • Size

    595KB

  • Sample

    240530-l4pgvadg6s

  • MD5

    83d7d8431c1055df21e81daa45f67e9b

  • SHA1

    1366bb8e8fbcbcaaf11658c4b33e9e7dcc5b2690

  • SHA256

    36f8ae17a6942261e7ee83e17b5d32ae6d2b943c7da5d2d3e9fcaa5733a1fee3

  • SHA512

    c824b97d889b6dc42dfe719464e543f1cd95b2492bb501cf80107e004e6d28e5266aba54f6f6a40dec0c5008e0803f4143d1b08a117912bc879aa89373afe4f2

  • SSDEEP

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

Score
10/10
evasionpersistence

Malware Config

Targets

    • Target

      83d7d8431c1055df21e81daa45f67e9b_JaffaCakes118

    • Size

      595KB

    • MD5

      83d7d8431c1055df21e81daa45f67e9b

    • SHA1

      1366bb8e8fbcbcaaf11658c4b33e9e7dcc5b2690

    • SHA256

      36f8ae17a6942261e7ee83e17b5d32ae6d2b943c7da5d2d3e9fcaa5733a1fee3

    • SHA512

      c824b97d889b6dc42dfe719464e543f1cd95b2492bb501cf80107e004e6d28e5266aba54f6f6a40dec0c5008e0803f4143d1b08a117912bc879aa89373afe4f2

    • SSDEEP

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

    Score
    10/10
    evasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Sets file execution options in registry

      persistence

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops autorun.inf file

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks