Analysis

  • max time kernel
    134s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 12:13

General

  • Target

    7570c31605abf49645648f82901f9af2_JaffaCakes118.exe

  • Size

    341KB

  • MD5

    7570c31605abf49645648f82901f9af2

  • SHA1

    3173c3551d2aa5d5fd68d506c44514d2beada0eb

  • SHA256

    20398da8aa1cedbcba160736ff1c8099e26c5112edafa4a8ac92d50808dab2fb

  • SHA512

    3f5b4a38e62ee9872a37908e180021bc77903dd83c4af547bee1be642854a7b1bf497159c9e17ab347c29682c6ba972d40c86fa1d4c4bb5502f941b4ba01d5ae

  • SSDEEP

    6144:0fZ/nwzIhoZib9i0ju9BKVoEZUWyNbvchWXyn4pOakMVIFw7AQ:0fpPOZiBiq3zxyNbvchWX5OTMuFwJ

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7570c31605abf49645648f82901f9af2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7570c31605abf49645648f82901f9af2_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Modifies system certificate store
    PID:3968
  • 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 --field-trial-handle=4240,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4184 /prefetch:8
    1⤵
      PID:1992

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3968-0-0x0000000000400000-0x00000000004BF000-memory.dmp

      Filesize

      764KB

    • memory/3968-6-0x0000000000400000-0x00000000004BF000-memory.dmp

      Filesize

      764KB