Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    15/10/2020, 11:40

General

  • Target
    Quote Order #103888864.exe
  • Size 496KB
  • Sample201015-7534686flx
  • SHA256 6bb732e1c22295b2fa6970a286225d14bd7c6fabef714f9b20c3a622bb8e7645
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

C2
  • http://www.stocksmusic.com/svh9/

Decoy
  • jejupassive.com

  • schoolrepetit.site

  • ganfraud.com

  • kuoretkauppa.com

  • bgdocs.online

  • climatechampionsfund.info

  • lamaletadeagustin.com

  • jessicaolear.com

  • oncologyacademe.com

  • aurum.academy

  • thaliasoap.com

  • tempeindo.online

  • alnajem-law.com

  • eracab.com

  • ozerk.site

  • 3drinkmin.com

  • synergygroup.fitness

  • foundyourlabel.info

  • bonniebagay.com

  • wcncusa.com

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Looks for VMWare Tools registry key 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 4 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Local\Temp\Quote Order #103888864.exe
      "C:\Users\Admin\AppData\Local\Temp\Quote Order #103888864.exe"
      2⤵
      • Checks BIOS information in registry
      • Maps connected drives based on registry
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:648
      • C:\Users\Admin\AppData\Local\Temp\Quote Order #103888864.exe
        "C:\Users\Admin\AppData\Local\Temp\Quote Order #103888864.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3716
    • C:\Windows\SysWOW64\autofmt.exe
      "C:\Windows\SysWOW64\autofmt.exe"
      2⤵
        PID:2920
      • C:\Windows\SysWOW64\ipconfig.exe
        "C:\Windows\SysWOW64\ipconfig.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Gathers network information
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4060
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\Quote Order #103888864.exe"
          3⤵
            PID:3348

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/648-9-0x00000000057B0000-0x00000000057BB000-memory.dmp

            memory/648-11-0x00000000067B0000-0x00000000067E0000-memory.dmp

            memory/648-3-0x00000000055B0000-0x00000000055B1000-memory.dmp

            memory/648-4-0x0000000005B50000-0x0000000005B51000-memory.dmp

            memory/648-5-0x0000000005650000-0x0000000005651000-memory.dmp

            memory/648-6-0x0000000005530000-0x0000000005531000-memory.dmp

            memory/648-7-0x0000000005860000-0x0000000005861000-memory.dmp

            memory/648-8-0x0000000006050000-0x0000000006051000-memory.dmp

            memory/648-1-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

            memory/648-0-0x00000000735C0000-0x0000000073CAE000-memory.dmp

            memory/648-10-0x0000000006740000-0x00000000067A5000-memory.dmp

            memory/648-12-0x00000000068A0000-0x00000000068A1000-memory.dmp

            memory/3716-13-0x0000000000400000-0x000000000042E000-memory.dmp

            memory/4060-17-0x0000000000840000-0x000000000084B000-memory.dmp

            memory/4060-18-0x0000000000840000-0x000000000084B000-memory.dmp