Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    19/01/2022, 18:20

General

  • Target
    02e260d43fa91e067838b68b19435124.exe
  • Size 296KB
  • Sample220119-wys8ysccd7
  • SHA256 8392408d685d10ddf024a7e4f47976e03a00fd787bd4ee0932766c4b9b278bc0
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • nk6l

Decoy
  • cbnextra.com

  • entitysystemsinc.com

  • 55midwoodave.com

  • ebelizzi.com

  • khojcity.com

  • 1527brokenoakdrive.site

  • housinghproperties.com

  • ratiousa.com

  • lrcrepresentacoes.net

  • tocoec.net

  • khadamatdemnate.com

  • davidkastner.xyz

  • gardeniaresort.com

  • qiantangguoji.com

  • visaprepaidprocessinq.com

  • cristinamadara.com

  • semapisus.xyz

  • mpwebagency.net

  • alibabasdeli.com

  • gigasupplies.com

Signatures

  • Formbook

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

  • Formbook Payload 1 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\02e260d43fa91e067838b68b19435124.exe
    "C:\Users\Admin\AppData\Local\Temp\02e260d43fa91e067838b68b19435124.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Users\Admin\AppData\Local\Temp\02e260d43fa91e067838b68b19435124.exe
      "C:\Users\Admin\AppData\Local\Temp\02e260d43fa91e067838b68b19435124.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1616

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1616-56-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/1680-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp