Analysis

  • max time kernel
    140s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-08-2024 18:22

General

  • Target

    b48854db5ce721587646a194ed3ecba6_JaffaCakes118.exe

  • Size

    205KB

  • MD5

    b48854db5ce721587646a194ed3ecba6

  • SHA1

    dcee3f912db91148c0718b58d3faab50899e8b06

  • SHA256

    11c722f7ee88487d58bf1bf670ba9b0921a41c749c238dbd4f7b076eba1db23d

  • SHA512

    c21805d5c8cc65863b6f537d10b666b06fb34dffe11005247353338eb590402d51a2154659f48bac9687217d1d12c447495df7d3d5118aa99fb418922eda44d7

  • SSDEEP

    6144:gKqQGZ33GYS29XS3FsJeYFLJ5c2uc0RWp638RV9M:Pq1Z3S2WoJtuXWp6sdM

Malware Config

Signatures

  • UPX packed file 6 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\b48854db5ce721587646a194ed3ecba6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b48854db5ce721587646a194ed3ecba6_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:4940
  • 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=4148,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=3804 /prefetch:8
    1⤵
      PID:3176

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4940-0-0x0000000000400000-0x0000000000475000-memory.dmp

      Filesize

      468KB

    • memory/4940-11-0x0000000000400000-0x0000000000475000-memory.dmp

      Filesize

      468KB

    • memory/4940-15-0x0000000000400000-0x0000000000475000-memory.dmp

      Filesize

      468KB

    • memory/4940-17-0x0000000000400000-0x0000000000475000-memory.dmp

      Filesize

      468KB

    • memory/4940-19-0x0000000000400000-0x0000000000475000-memory.dmp

      Filesize

      468KB

    • memory/4940-23-0x0000000000400000-0x0000000000475000-memory.dmp

      Filesize

      468KB