Analysis

  • max time kernel
    152s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 03:37

General

  • Target

    AntivirusDefender-main/JigsawRansomware/JigsawRansomware/JigsawRansomware/obj/Release/JigsawRansomware.exe

  • Size

    60KB

  • MD5

    14a2065165fca7f48b20123ea1ca8d2d

  • SHA1

    f6371909e9b9751d3f7539a75ec0f024cd3094bf

  • SHA256

    cb8068f6f5623b19fea0e5e8657ea059283dc7fbb04ac61c204b8fcf9b09cc3c

  • SHA512

    eadd1e658b19805cc64a8a9a391f42fcae5c410c89b95a1b2e5d8615aadc1e873fb67e214fff5f96163b8340bc37443cfbb4d50eccd2b8e06b6294f503adf103

  • SSDEEP

    1536:f2Dyv30ZpBzKmGIZUY1sIzYi7D10Py7j:+Dy2pBzbZUYxYID6a

Malware Config

Signatures

  • Jigsaw Ransomware

    Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.

  • Renames multiple (244) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AntivirusDefender-main\JigsawRansomware\JigsawRansomware\JigsawRansomware\obj\Release\JigsawRansomware.exe
    "C:\Users\Admin\AppData\Local\Temp\AntivirusDefender-main\JigsawRansomware\JigsawRansomware\JigsawRansomware\obj\Release\JigsawRansomware.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4916
    • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
      "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\AntivirusDefender-main\JigsawRansomware\JigsawRansomware\JigsawRansomware\obj\Release\JigsawRansomware.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:3328
  • 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=2756 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:5040

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe

      Filesize

      60KB

      MD5

      14a2065165fca7f48b20123ea1ca8d2d

      SHA1

      f6371909e9b9751d3f7539a75ec0f024cd3094bf

      SHA256

      cb8068f6f5623b19fea0e5e8657ea059283dc7fbb04ac61c204b8fcf9b09cc3c

      SHA512

      eadd1e658b19805cc64a8a9a391f42fcae5c410c89b95a1b2e5d8615aadc1e873fb67e214fff5f96163b8340bc37443cfbb4d50eccd2b8e06b6294f503adf103

    • memory/3328-16-0x00007FFBEE7B0000-0x00007FFBEF271000-memory.dmp

      Filesize

      10.8MB

    • memory/3328-17-0x000001C64EB00000-0x000001C64EB10000-memory.dmp

      Filesize

      64KB

    • memory/3328-42-0x00007FFBEE7B0000-0x00007FFBEF271000-memory.dmp

      Filesize

      10.8MB

    • memory/3328-43-0x000001C64EB00000-0x000001C64EB10000-memory.dmp

      Filesize

      64KB

    • memory/4916-0-0x00000141A3960000-0x00000141A3976000-memory.dmp

      Filesize

      88KB

    • memory/4916-1-0x00007FFBEE7B0000-0x00007FFBEF271000-memory.dmp

      Filesize

      10.8MB

    • memory/4916-15-0x00007FFBEE7B0000-0x00007FFBEF271000-memory.dmp

      Filesize

      10.8MB