Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/04/2024, 18:46

General

  • Target

    a3b1446fd4500f7460180df5cb6f11b6_JaffaCakes118.exe

  • Size

    64KB

  • MD5

    a3b1446fd4500f7460180df5cb6f11b6

  • SHA1

    1844eda1ba9e31a1a7b240b6b57953780aa3f182

  • SHA256

    0af60ba74492baa301258fb783bdd28b2b9b0594985f0eefd2aea353082bd18c

  • SHA512

    8bcd1d4e6a9e425d83f42e251b6cd9a84548dbf6b9d3a7e52890c6bb6c9d69482b0d39f79041b6beaffc1656b90043e4478a6923bd7726863b66c3dd457d3c3a

  • SSDEEP

    1536:BAayJc/J4gaLMtIlYPnQR8P5UTfl1fMO7WHNfWUX:BAayE40IqB5ULl1fMO7WFWUX

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 5 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3b1446fd4500f7460180df5cb6f11b6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a3b1446fd4500f7460180df5cb6f11b6_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Windows\outlook.exe
      C:\Windows\outlook.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:852

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\outlook.exe

          Filesize

          49KB

          MD5

          0e9379e357aba95f8b9883af9b67675e

          SHA1

          280a174a414e5b8588f42b6328af2c8c8ff4394f

          SHA256

          96b9c4ead67d03eb2c69103a983274e013e3466e80d8f95bd7cf3aea8be05b28

          SHA512

          6cc383806882729cd889b025802ac0d5e1c55a74b3e7d7c98932644e8802fe52b5b14a886eff70ab7deaa70fb60bb9898e55b5cd83b5b99e2a2d107dce367784

        • memory/852-40-0x0000000000400000-0x000000000047E000-memory.dmp

          Filesize

          504KB

        • memory/852-54-0x0000000000400000-0x000000000047E000-memory.dmp

          Filesize

          504KB

        • memory/852-66-0x0000000000400000-0x000000000047E000-memory.dmp

          Filesize

          504KB

        • memory/852-70-0x0000000000400000-0x000000000047E000-memory.dmp

          Filesize

          504KB

        • memory/852-71-0x0000000000400000-0x000000000047E000-memory.dmp

          Filesize

          504KB

        • memory/1712-0-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/1712-15-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB