Analysis

  • max time kernel
    144s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 04:59

General

  • Target

    7464ba4c64661ddc5d961529750e3527_JaffaCakes118.exe

  • Size

    225KB

  • MD5

    7464ba4c64661ddc5d961529750e3527

  • SHA1

    f1d01e9ddf451cb2bb18641ba522d419e9952a15

  • SHA256

    12c620d10294b15a4a12317a87179eeccc2ab57496f55bfaf7415a6f016bb0ab

  • SHA512

    3558582e74f799c5e57a667d660684b516bcbf7cf938dbd8f5d22401b4d8d557a23fd9956d26fda4451c532eb8d959ca237f2094efb8b9a96ec0f0c7f0430f55

  • SSDEEP

    6144:aPGBcCnqewhEr/T3B1TpLmEVmqPbFy424qdrwwsHPY34M:QdCnqw7R1Ni+PbM4Krw9Yt

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\7464ba4c64661ddc5d961529750e3527_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7464ba4c64661ddc5d961529750e3527_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:5064
  • 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=4240 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3264

    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/5064-0-0x0000000000400000-0x0000000000486000-memory.dmp
      Filesize

      536KB

    • memory/5064-1-0x0000000000400000-0x0000000000486000-memory.dmp
      Filesize

      536KB

    • memory/5064-20-0x0000000000400000-0x0000000000486000-memory.dmp
      Filesize

      536KB

    • memory/5064-21-0x0000000000400000-0x0000000000486000-memory.dmp
      Filesize

      536KB

    • memory/5064-24-0x0000000000400000-0x0000000000486000-memory.dmp
      Filesize

      536KB

    • memory/5064-26-0x0000000000400000-0x0000000000486000-memory.dmp
      Filesize

      536KB

    • memory/5064-27-0x0000000000400000-0x0000000000486000-memory.dmp
      Filesize

      536KB

    • memory/5064-28-0x0000000000400000-0x0000000000486000-memory.dmp
      Filesize

      536KB