Analysis

  • max time kernel
    139s
  • max time network
    168s
  • 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 09:26

General

  • Target

    fc7062b2fd0a3f731584287cdbe5b0f9_JaffaCakes118.exe

  • Size

    338KB

  • MD5

    fc7062b2fd0a3f731584287cdbe5b0f9

  • SHA1

    59fbe3e739ec9fb65a1ee5d44ef969f8214918b5

  • SHA256

    3de8f030695e5a9601dc0234258bddef4bcf08781df9a24e63a27e9e9f1ebd53

  • SHA512

    7c82f227f89ea87e599c4904fa0d2ecf32301b7fedc777dfb892dfb4277129a345dbdb12127a48209200d08efa501efdd653a2711971a7726f9a373a53f9f1fc

  • SSDEEP

    6144:NA5wVdCy6wrbDY0rDqTWC4zEDzKuTrSbxc97c3DkfoXGmPq2wKv07EVQmczEysIr:Njyy64VrDqTWIzW+9YzkgXGm9h0K3c+S

Malware Config

Signatures

  • UPX packed file 5 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\fc7062b2fd0a3f731584287cdbe5b0f9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fc7062b2fd0a3f731584287cdbe5b0f9_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Modifies system certificate store
    PID:2828
  • 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=4116 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1696

    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/2828-0-0x0000000000400000-0x00000000004BE000-memory.dmp
      Filesize

      760KB

    • memory/2828-1-0x0000000000400000-0x00000000004BE000-memory.dmp
      Filesize

      760KB

    • memory/2828-2-0x0000000000400000-0x00000000004BE000-memory.dmp
      Filesize

      760KB

    • memory/2828-16-0x0000000000400000-0x00000000004BE000-memory.dmp
      Filesize

      760KB

    • memory/2828-17-0x0000000000400000-0x00000000004BE000-memory.dmp
      Filesize

      760KB