Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 19:30

General

  • Target

    e5b044a2518554d03a3908f552c508c6_JaffaCakes118.exe

  • Size

    200KB

  • MD5

    e5b044a2518554d03a3908f552c508c6

  • SHA1

    7eb68a10af049915f240bc43c439863aa1a2d048

  • SHA256

    dda0491a43111958806ee187e77ce78e5b256a37418fcaba2be2ea074a9a3e7b

  • SHA512

    d421cfeaa3f8637945ed7a03ae2ca51d7e6ec843f9d13afb12e6ea9e2d529a06433e236a1be9cfbce4a248088bf5ac57edc38e019bdd9f90635b660bcdacc3e6

  • SSDEEP

    3072:cf5yU0M2ns5X+vbEZammppIXVdiszpVhSURnTP+Z5R:u5yUZAC4MaPKNzDM5R

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.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5b044a2518554d03a3908f552c508c6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e5b044a2518554d03a3908f552c508c6_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4540
    • C:\Users\Admin\AppData\Local\Temp\LFd66D8.exe
      C:\Users\Admin\AppData\Local\Temp\LFd66D8.exe fWaJ2gP6ej6D7Oz6Xsw
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2312
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4572 --field-trial-handle=2320,i,3025503729105798828,9325691672526736153,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4812

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\LFd66D8.exe

      Filesize

      138KB

      MD5

      2a4b204d351086fa72e603143152cb18

      SHA1

      29e71816a74e466c8713eb453a28b63be80c6be9

      SHA256

      2d50c6ac972b1b93d04ac2578d3ce515c706c8241838347b5fe63a481f3da7c9

      SHA512

      2cefcda5769c15d4e5ffeec63193563198c2c75d5e33bdc40859bd731898730a5b85e6c5363532426d8fb3e8e40f2e12dbbd5b61802cee4fb6da2bb166ba786b

    • memory/2312-4-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/2312-5-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/2312-6-0x00000000005C0000-0x00000000005C2000-memory.dmp

      Filesize

      8KB

    • memory/2312-7-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB