Analysis

  • max time kernel
    169s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 16:13

General

  • Target

    faacf1a558d5e7816984986cc0856549_JaffaCakes118.exe

  • Size

    327KB

  • MD5

    faacf1a558d5e7816984986cc0856549

  • SHA1

    3e1d90b53e36de1cae15752c355013d82f60b148

  • SHA256

    28be97f1b6c301469fab22e503708cb5fc873b1db72ac8f7ada98c5729bd2340

  • SHA512

    78fe58c7e87ac9d412a4cc445ed411deefd14f5b55046062ff3b1f72ee21f50cc63049484ee9da3ad76412d1bec3299b38803abbe4ad2fa632e42527aff0915a

  • SSDEEP

    6144:4iNuj4umPkObyGibna8Ch/nV8sk+Ceobh8eF12jiR47Dlj25Hr+eInC/6vb:s3u/l8ch98VNeobNF12A47Dlj2Jiex/I

Malware Config

Signatures

  • UPX packed file 8 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
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\faacf1a558d5e7816984986cc0856549_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\faacf1a558d5e7816984986cc0856549_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:2520
  • 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=4060 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:408

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Pre-OS Boot

    1
    T1542

    Bootkit

    1
    T1542.003

    Defense Evasion

    Pre-OS Boot

    1
    T1542

    Bootkit

    1
    T1542.003

    Subvert Trust Controls

    1
    T1553

    Install Root Certificate

    1
    T1553.004

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2520-0-0x0000000000400000-0x00000000004BC000-memory.dmp
      Filesize

      752KB

    • memory/2520-1-0x0000000000400000-0x00000000004BC000-memory.dmp
      Filesize

      752KB

    • memory/2520-2-0x0000000000400000-0x00000000004BC000-memory.dmp
      Filesize

      752KB

    • memory/2520-3-0x0000000000400000-0x00000000004BC000-memory.dmp
      Filesize

      752KB

    • memory/2520-4-0x0000000000400000-0x00000000004BC000-memory.dmp
      Filesize

      752KB

    • memory/2520-5-0x0000000000400000-0x00000000004BC000-memory.dmp
      Filesize

      752KB

    • memory/2520-22-0x0000000000400000-0x00000000004BC000-memory.dmp
      Filesize

      752KB

    • memory/2520-28-0x0000000000400000-0x00000000004BC000-memory.dmp
      Filesize

      752KB