Analysis

  • max time kernel
    140s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2024, 13:51

General

  • Target

    bbfef3790bfe7832acc3ee92d0bb40dc_JaffaCakes118.exe

  • Size

    207KB

  • MD5

    bbfef3790bfe7832acc3ee92d0bb40dc

  • SHA1

    e029d79c980d2f9da32ae391c314090c5e12b49c

  • SHA256

    60e57e487f0080889c39be9976acad1f0d672ade61b99ed9cd6fc77d803b06c5

  • SHA512

    2b6ad41305c0bba9ed74c8022f58fb652e435c88801a7ffde3b8571e5f5dd18c1ab13f71378025f4716f17dcf8791764d9319361f18ff9c9cc97dc5e0c684a76

  • SSDEEP

    3072:CZipq+BgM2OWVWE7XGcjN9iZm9GcFP1H5HLOIc1h3SubWJkfefDEZE:xpbaeyWECcp9AcFJ5qIUWJ2ef

Malware Config

Signatures

  • UPX packed file 5 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.

  • Drops file in Program Files directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bbfef3790bfe7832acc3ee92d0bb40dc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bbfef3790bfe7832acc3ee92d0bb40dc_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    PID:1140
  • 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 --field-trial-handle=4352,i,2727319350781907497,7925939240893079607,262144 --variations-seed-version --mojo-platform-channel-handle=3952 /prefetch:8
    1⤵
      PID:3748

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1140-0-0x0000000000400000-0x0000000000475000-memory.dmp

            Filesize

            468KB

          • memory/1140-11-0x0000000000400000-0x0000000000475000-memory.dmp

            Filesize

            468KB

          • memory/1140-12-0x0000000000400000-0x0000000000475000-memory.dmp

            Filesize

            468KB

          • memory/1140-17-0x0000000000400000-0x0000000000475000-memory.dmp

            Filesize

            468KB

          • memory/1140-19-0x0000000000400000-0x0000000000475000-memory.dmp

            Filesize

            468KB