Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    24/11/2021, 20:00

General

  • Target
    586f7a1895ea47a462b1d5f6a43fcd33.exe
  • Size 309KB
  • Sample211124-yq1deaggf3
  • SHA256 1358d88e078f1c59b546256968179bf213928f1e6f4e7afa255681b2cd8f92a2
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • vngb

C2
  • http://www.gvlc0.club/vngb/

Decoy
  • omertalasvegas.com

  • payyep.com

  • modasportss.com

  • gestionestrategicadl.com

  • teamolemiss.club

  • geektranslate.com

  • versatileventure.com

  • athletic-hub.com

  • vitanovaretreats.com

  • padison8t.com

  • tutoeasy.com

  • ediblewholesale.com

  • kangrungao.com

  • satode.com

  • prohibitionfeeds.com

  • getmorevacations.com

  • blinkworldbeauty.com

  • kdlabsallr.com

  • almanasef.com

  • transportationservicellc.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook Payload 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\586f7a1895ea47a462b1d5f6a43fcd33.exe
    "C:\Users\Admin\AppData\Local\Temp\586f7a1895ea47a462b1d5f6a43fcd33.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Users\Admin\AppData\Local\Temp\586f7a1895ea47a462b1d5f6a43fcd33.exe
      "C:\Users\Admin\AppData\Local\Temp\586f7a1895ea47a462b1d5f6a43fcd33.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1056

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1056-57-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/1056-59-0x0000000000700000-0x0000000000A03000-memory.dmp

        memory/1900-55-0x0000000075AB1000-0x0000000075AB3000-memory.dmp