Analysis

  • max time kernel
    148s
  • max time network
    172s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    13/06/2021, 08:30

General

  • Target
    54333218976.exe
  • Size 236KB
  • Sample210613-qpy1e5fp86
  • SHA256 5e6b89915432b64a3205f68d49db2ffc02007600a2a82a439aff431a95fcbeef
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

C2
  • http://www.111bjs.com/ccr/

Decoy
  • abdullahlodhi.com

  • jevya.com

  • knoxvillerestaurant.com

  • mekarauroko7389.com

  • cricketspowder.net

  • johannchirinos.com

  • orangeorganical.com

  • libero-tt.com

  • lorenaegianluca.com

  • wintab.net

  • modernmillievintage.com

  • zgdqcyw.com

  • jeffabildgaardmd.com

  • nurulfikrimakassar.com

  • findyourchef.com

  • innovationsservicegroup.com

  • destek-taleplerimiz.com

  • whfqqco.icu

  • kosmetikmadeingermany.com

  • dieteticos.net

Signatures

  • Formbook

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

  • Formbook Payload 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 35 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Users\Admin\AppData\Local\Temp\54333218976.exe
      "C:\Users\Admin\AppData\Local\Temp\54333218976.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1116
      • C:\Users\Admin\AppData\Local\Temp\54333218976.exe
        "C:\Users\Admin\AppData\Local\Temp\54333218976.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1984
    • C:\Windows\SysWOW64\cscript.exe
      "C:\Windows\SysWOW64\cscript.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1788
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\54333218976.exe"
        3⤵
        • Deletes itself
        PID:1660

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1116-59-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

        memory/1288-66-0x0000000006C40000-0x0000000006DB1000-memory.dmp

        memory/1288-73-0x0000000003BD0000-0x0000000003C8F000-memory.dmp

        memory/1788-69-0x0000000000D80000-0x0000000000DA2000-memory.dmp

        memory/1788-70-0x0000000000070000-0x000000000009E000-memory.dmp

        memory/1788-71-0x00000000021B0000-0x00000000024B3000-memory.dmp

        memory/1788-72-0x0000000000520000-0x00000000005B3000-memory.dmp

        memory/1984-65-0x00000000002C0000-0x00000000002D4000-memory.dmp

        memory/1984-64-0x0000000000820000-0x0000000000B23000-memory.dmp

        memory/1984-63-0x0000000000400000-0x000000000042E000-memory.dmp