Analysis

  • max time kernel
    151s
  • max time network
    92s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    01/06/2021, 21:47

General

  • Target
    SecuriteInfo.com.Mal.Generic-S.4772.26142.exe
  • Size 230KB
  • Sample210601-6bs28d34ps
  • SHA256 d885a2034e825199486fbe2eecbf1098e07c8ba36ffe3cca2518e3f332c48f28
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

C2
  • http://www.rvs2gospecials.com/fmjo/

Decoy
  • healthlifepoint.com

  • filmhidrosoluble.com

  • lissagesurmesure.com

  • luxurylathers.com

  • universidadeempreendedor.com

  • chekkehpub.com

  • craigmcoscarelli.com

  • wolfperry.club

  • academiaolymp.online

  • tokuzoublog.com

  • 2505588.com

  • crispychickenmerrylands.com

  • goldcrowncreations.com

  • stiliter.com

  • zombies.technology

  • roll-up.pro

  • yourinfoman.com

  • jumtix.xyz

  • alaskavotenoon2.com

  • maisondesmigrants.com

Signatures

  • Formbook

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

  • Formbook Payload 1 IoCs
  • Loads dropped DLL 2 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Mal.Generic-S.4772.26142.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Mal.Generic-S.4772.26142.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Mal.Generic-S.4772.26142.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Mal.Generic-S.4772.26142.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1624

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/756-60-0x00000000750C1000-0x00000000750C3000-memory.dmp

        memory/1624-64-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/1624-65-0x0000000000770000-0x0000000000A73000-memory.dmp