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Analysis

  • max time kernel
    16s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    12/09/2024, 02:35

General

  • Target

    dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe

  • Size

    18KB

  • MD5

    dba938da217e84374b4328240ddf9af5

  • SHA1

    ba41ad9236e2155177201fb33bc13628988e1799

  • SHA256

    acca2af7e073b279dbafb4e4e893518c78bbcb7da8290608e5103f6f953978ce

  • SHA512

    f72b2d8e845972495f5ebe5b6c4a055832405c527841b1ee68e685a2cc3175037a136ee729142c2c2c2978e9e22815d08f0abd5589a5ee661c661d894898864a

  • SSDEEP

    384:Ld6gB3AOzuO106w8+lOq718ulyrjbXfPcxcxQGdFn0RB5:hWOKpoj01mLkOQG30RB

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 9 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dba938da217e84374b4328240ddf9af5_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c self.bat
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\self.bat

    Filesize

    211B

    MD5

    afcfed044314c67385232dee9d3b68cc

    SHA1

    2d2a38f8573d54354fe3dd22330d0b5f250cb9ff

    SHA256

    a88df36741aca04695b79c7e055e847a12d2b76b232521bb9b571fc1929a55b1

    SHA512

    828bbd894015630a5f325c358e5ac3dd8ecfb5c76c05c805aaffeb74dfc870e95fca9bb195c92422a474aae0359a6883caf74a6720d6332985d840994bb88a85

  • \Windows\SysWOW64\hkb0622a101.dll

    Filesize

    32KB

    MD5

    5fa02caa08274399b25e473c554a2165

    SHA1

    aef27f2f7cf44ecd812025a8ca4632cf9f55e5bb

    SHA256

    4a9c3b737eb782834c037865d07c013dcbfcfebc436e40c772db97f14504e4fe

    SHA512

    37c9f6ea6a7c8afd76f1b4ed000277f4a72d02f76b568ef4a715fa1b16f970dd9a99d9cc86325b06a16a719fb227156c51a86512ae73a79feffaaea5e4bfec68

  • memory/1724-0-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1724-12-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB