Analysis

  • max time kernel
    140s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 06:46

General

  • Target

    eac95b7809fe32fca4899229cc0846d6_JaffaCakes118.exe

  • Size

    236KB

  • MD5

    eac95b7809fe32fca4899229cc0846d6

  • SHA1

    cde15aeeaf4f2eae0b2e34042c94de6de2fb957c

  • SHA256

    47c87491be5ee5b2f6f9cc05f5f2a27b938b86abe617ad2bbfaa8243b424bdcc

  • SHA512

    17b6a78fc9f567ddffb8371223e81b1f1e464d49c6bc2ffe54ad6c513edf7a48683dad890cd2fb743dba37c9720534ab9bda48f59714766d708b31de83f5b24f

  • SSDEEP

    6144:6MuppdFWUb19E+TaPSwH1nqTINZs9IOVdkyKY79QVj:6M8pdFx1u+uPSwH1niQZsuOVdkyt79Q1

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\eac95b7809fe32fca4899229cc0846d6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eac95b7809fe32fca4899229cc0846d6_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:5744
  • 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=4768,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=4360 /prefetch:8
    1⤵
      PID:2984

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/5744-0-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/5744-11-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/5744-13-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/5744-14-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/5744-17-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/5744-20-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB