Analysis

  • max time kernel
    158s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    20/09/2021, 06:20

General

  • Target
    Noua comanda atasata.exe
  • Size 684KB
  • Sample210920-g3rtcsdbc7
  • SHA256 d21cbbc50e85c872732a119f1c0d567a54cd6a75c512c3bf84baba8a8fbfc97d
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • bc3s

C2
  • http://www.topei-products.com/bc3s/

Decoy
  • anna-ng.com

  • mariangelamata.com

  • szqnbl.com

  • nesherguitars.com

  • mysekrit.com

  • againbeautyviensui.xyz

  • appf.life

  • bilalsolution.com

  • technoratii.com

  • 11restoran.com

  • birthingly.com

  • crystalcarrillo.com

  • cohenasset.info

  • bunchofdesign.com

  • highstreetmag.com

  • talentkerning.com

  • outdoor-glassesadvice.com

  • aliceeety.com

  • habbuhot.info

  • pao91.com

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Users\Admin\AppData\Local\Temp\Noua comanda atasata.exe
      "C:\Users\Admin\AppData\Local\Temp\Noua comanda atasata.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:908
      • C:\Windows\SysWOW64\mobsync.exe
        C:\Windows\System32\mobsync.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3376
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3004
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\mobsync.exe"
        3⤵
          PID:1664

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/908-114-0x00000000023E0000-0x00000000023E1000-memory.dmp

          memory/2644-128-0x00000000052D0000-0x00000000053B7000-memory.dmp

          memory/2644-121-0x0000000002C20000-0x0000000002D17000-memory.dmp

          memory/3004-123-0x0000000000AE0000-0x0000000000B07000-memory.dmp

          memory/3004-127-0x0000000004340000-0x00000000043D3000-memory.dmp

          memory/3004-125-0x00000000044E0000-0x0000000004800000-memory.dmp

          memory/3004-124-0x0000000000370000-0x000000000039E000-memory.dmp

          memory/3376-117-0x0000000003000000-0x0000000003001000-memory.dmp

          memory/3376-120-0x0000000004DA0000-0x0000000004DB4000-memory.dmp

          memory/3376-119-0x0000000004EC0000-0x00000000051E0000-memory.dmp

          memory/3376-118-0x0000000010410000-0x000000001043E000-memory.dmp