Analysis

  • max time kernel
    116s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-04-2024 12:35

General

  • Target

    f382924e19db394e90d932fcf734d857_JaffaCakes118.exe

  • Size

    49KB

  • MD5

    f382924e19db394e90d932fcf734d857

  • SHA1

    7dbfc51a31bdfb9ce0aa03ba78892ce8562afe91

  • SHA256

    4ec2fab87341dccecf45fddf7d14465ebb2ba64de8d7c17d603f00dd6853ee36

  • SHA512

    ae9bf261581e84506744b794d9645bbf54ec194c58bd55ec1c0f7d7a749c5ea7b4a8d3d855dd3fb33f1c713a5afd11925ac213ab9eea4468e79817ebf76b381e

  • SSDEEP

    1536:j7GuNur7FJ/WlkAyQqizdPx+W/4laStTHa74Rd21AfNu:XQr7FUlkAyQqiz+W/4laStmgs1gNu

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 9 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f382924e19db394e90d932fcf734d857_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f382924e19db394e90d932fcf734d857_JaffaCakes118.exe"
    1⤵
    • Modifies firewall policy service
    • Checks BIOS information in registry
    • Suspicious use of WriteProcessMemory
    PID:3976
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\F38292~1.EXE00.bat
      2⤵
        PID:2068

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\F38292~1.EXE00.bat

      Filesize

      192B

      MD5

      d47cd8eb5877d791916dfef66f685f75

      SHA1

      bff3e65d315b5a28a24415abe2afca6426fc4307

      SHA256

      3babcfd5510663f17cb382e186e677ecbe32607ae5fb9d885d0e3754927af4b8

      SHA512

      63b56a13ae5252583f23feb3fcfb48de4a570ee2652422abd7b24c19fa1fa25d4860fb65b2c7602855f7f5c3f68e2da4c2603f023c8f494604197b9b36536bea

    • memory/3976-1-0x0000000000400000-0x000000000145B000-memory.dmp

      Filesize

      16.4MB

    • memory/3976-0-0x0000000000400000-0x000000000145B000-memory.dmp

      Filesize

      16.4MB

    • memory/3976-3-0x0000000000400000-0x000000000145B000-memory.dmp

      Filesize

      16.4MB

    • memory/3976-5-0x0000000000400000-0x000000000145B000-memory.dmp

      Filesize

      16.4MB

    • memory/3976-8-0x0000000000400000-0x000000000145B000-memory.dmp

      Filesize

      16.4MB

    • memory/3976-10-0x0000000000400000-0x000000000145B000-memory.dmp

      Filesize

      16.4MB

    • memory/3976-12-0x0000000000400000-0x000000000145B000-memory.dmp

      Filesize

      16.4MB

    • memory/3976-14-0x0000000000400000-0x000000000145B000-memory.dmp

      Filesize

      16.4MB

    • memory/3976-17-0x0000000000400000-0x000000000145B000-memory.dmp

      Filesize

      16.4MB