Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 04:01

General

  • Target

    fbe0c9640b433cf9a929ae22c8acbce4_JaffaCakes118.exe

  • Size

    338KB

  • MD5

    fbe0c9640b433cf9a929ae22c8acbce4

  • SHA1

    f338e8fb205bca0ebfa1287790d4c44b9a877bad

  • SHA256

    12ab39319c724cc2d869ee9eb59e9809b548cbc4ac26321105d838fe270046b4

  • SHA512

    c7eeaf7bf7e1eed510d6c6d2f6fb3762b69353c99d96b84eeb01cc0510dbe8e639795e8ec69580fb7c189b222a645cba3ae38866a8bb4b1c12976d723ceb014b

  • SSDEEP

    6144:jA5wVdCy6wrbDY0rDqTWC4zEDzKuTrSbxc97c79YtQpy2pBgs2AnmmDLS+g:jjyy64VrDqTWIzW+9Y621Bn4my+g

Malware Config

Signatures

  • UPX packed file 3 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\fbe0c9640b433cf9a929ae22c8acbce4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fbe0c9640b433cf9a929ae22c8acbce4_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Modifies system certificate store
    PID:5088
  • 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=3592 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3092

    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/5088-0-0x0000000000400000-0x00000000004BE000-memory.dmp
      Filesize

      760KB

    • memory/5088-1-0x0000000000400000-0x00000000004BE000-memory.dmp
      Filesize

      760KB

    • memory/5088-15-0x0000000000400000-0x00000000004BE000-memory.dmp
      Filesize

      760KB