Resubmissions

08-03-2024 15:04

240308-sfnzqsaa47 10

Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-04-2024 11:53

General

  • Target

    bb8fce33b3478355c5a6c4f52f6ff83b.exe

  • Size

    1.1MB

  • MD5

    bb8fce33b3478355c5a6c4f52f6ff83b

  • SHA1

    81ed80cb69b5c6e65bff71b8c53160a467099475

  • SHA256

    6192163bbb9343a274904093b94d6b12111a88bf24b58cbf9ed2c1463503e022

  • SHA512

    a1f9bad36ff0a866db0aaf918cd70ed235c1bf1679dbadea8a5e2746686e2736833e7fe10d6caec459106e90ad9efdd55ca2b66afb1b2f7c507cd46363cbed69

  • SSDEEP

    24576:UlTshPoDiXbNSXIN6L/Y1ja1zwdY4k2A/QaFcEYZFj:UshPjNSXGic+FwTbA4SR2

Malware Config

Signatures

  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

  • UPX packed file 21 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb8fce33b3478355c5a6c4f52f6ff83b.exe
    "C:\Users\Admin\AppData\Local\Temp\bb8fce33b3478355c5a6c4f52f6ff83b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    PID:1620
  • 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=1348 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2836

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1620-0-0x00000000023A0000-0x0000000002475000-memory.dmp

      Filesize

      852KB

    • memory/1620-1-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-2-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-3-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-4-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-5-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-6-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-11-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-12-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-13-0x00000000023A0000-0x0000000002475000-memory.dmp

      Filesize

      852KB

    • memory/1620-14-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-15-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-16-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-17-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-18-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-21-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-22-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-23-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-24-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-25-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-26-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-27-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB

    • memory/1620-28-0x0000000000400000-0x0000000000608000-memory.dmp

      Filesize

      2.0MB