Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    04/01/2022, 16:18

General

  • Target
    3741dbf3b24224ab2afa902d5aacac15.exe
  • Size 650KB
  • Sample220104-tryhzshfak
  • SHA256 f0427effe53373b51d8b98f19d87a1e39cbcc49201d307526b5ced3406fed4e0
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • mh43

Decoy
  • vhidgaming.com

  • wwwhighmarkgivesthanks.com

  • mucapo.xyz

  • lososossoftball.com

  • southfltitles.com

  • zar-renovations.com

  • armahntrading.com

  • bestnewsoftheday.com

  • kidsnotguns.com

  • gpstephan.com

  • ajaz.xyz

  • metaverserentalsnow.com

  • jacksonholepropertygroup.com

  • dontusetestworkspace2.com

  • fhirblocks.net

  • 101week.com

  • holding-af.com

  • blacksnakemodifications.com

  • opusfile.xyz

  • universalprosperitynetwork.com

Signatures

  • Formbook

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

  • Formbook Payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3741dbf3b24224ab2afa902d5aacac15.exe
    "C:\Users\Admin\AppData\Local\Temp\3741dbf3b24224ab2afa902d5aacac15.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\AppData\Local\Temp\3741dbf3b24224ab2afa902d5aacac15.exe
      "C:\Users\Admin\AppData\Local\Temp\3741dbf3b24224ab2afa902d5aacac15.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:460

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/460-59-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/460-60-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/460-61-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/460-63-0x0000000000970000-0x0000000000C73000-memory.dmp

        memory/1640-54-0x0000000000220000-0x00000000002CA000-memory.dmp

        memory/1640-55-0x0000000000220000-0x00000000002CA000-memory.dmp

        memory/1640-56-0x0000000000320000-0x0000000000332000-memory.dmp

        memory/1640-57-0x0000000004D10000-0x0000000004D11000-memory.dmp

        memory/1640-58-0x0000000004C90000-0x0000000004CF6000-memory.dmp