Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    19-01-2021 07:36

General

  • Target

    vbc.exe

  • Size

    1.4MB

  • MD5

    7d752130c300fcf1d2cd1668fc29ae28

  • SHA1

    ec52bc66ee4f080618fdc06aa994765c0adc6dee

  • SHA256

    7a434269888c9382307a609aceba2b185542ab901cda169d761c2650c84f2f4e

  • SHA512

    72d0a485ee362f5c1688c5dc2e6507ecaa18f574e73ef8b9e9d71b94179f361ed106e05824c43e5f3eeda8bcc9c1b8c471bd2dac94f4497388b5cf78681aa928

Malware Config

Extracted

Family

formbook

C2

http://www.aftabzahur.com/wgn/

Decoy

kokokara-life-blog.com

faswear.com

futureleadershiptoday.com

date4done.xyz

thecouponinn.com

bbeycarpetsf.com

propolisnasalspray.com

jinjudiamond.com

goodevectors.com

nehyam.com

evalinkapuppets.com

what-if-statistics.com

rateofrisk.com

impacttestonlinne.com

servis-kaydet.info

coloniacafe.com

marcemarketing.com

aarigging.com

goddesswitchery.com

jasqblo.icu

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 49 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Users\Admin\AppData\Local\Temp\vbc.exe
      "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:796
      • C:\Users\Admin\AppData\Local\Temp\vbc.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1436
    • C:\Windows\SysWOW64\colorcpl.exe
      "C:\Windows\SysWOW64\colorcpl.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2716
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
        3⤵
          PID:3928

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/796-2-0x00000000730E0000-0x00000000737CE000-memory.dmp

      Filesize

      6.9MB

    • memory/796-3-0x0000000000340000-0x0000000000341000-memory.dmp

      Filesize

      4KB

    • memory/796-5-0x0000000007140000-0x00000000071BE000-memory.dmp

      Filesize

      504KB

    • memory/796-6-0x000000000A9C0000-0x000000000A9C1000-memory.dmp

      Filesize

      4KB

    • memory/796-7-0x000000000A560000-0x000000000A561000-memory.dmp

      Filesize

      4KB

    • memory/796-8-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

      Filesize

      4KB

    • memory/796-9-0x000000000A530000-0x000000000A531000-memory.dmp

      Filesize

      4KB

    • memory/796-10-0x000000000A970000-0x000000000A97E000-memory.dmp

      Filesize

      56KB

    • memory/796-11-0x0000000004DC0000-0x0000000004E1B000-memory.dmp

      Filesize

      364KB

    • memory/796-12-0x0000000004ED0000-0x0000000004ED1000-memory.dmp

      Filesize

      4KB

    • memory/1436-13-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1436-14-0x000000000041EAC0-mapping.dmp

    • memory/1436-17-0x0000000000BB0000-0x0000000000BC4000-memory.dmp

      Filesize

      80KB

    • memory/1436-16-0x0000000001050000-0x0000000001370000-memory.dmp

      Filesize

      3.1MB

    • memory/2716-19-0x0000000000000000-mapping.dmp

    • memory/2716-21-0x00000000028F0000-0x000000000291E000-memory.dmp

      Filesize

      184KB

    • memory/2716-22-0x00000000043E0000-0x0000000004700000-memory.dmp

      Filesize

      3.1MB

    • memory/2716-20-0x0000000000200000-0x0000000000219000-memory.dmp

      Filesize

      100KB

    • memory/2716-24-0x00000000047A0000-0x0000000004833000-memory.dmp

      Filesize

      588KB

    • memory/2968-18-0x0000000005AC0000-0x0000000005BAD000-memory.dmp

      Filesize

      948KB

    • memory/2968-25-0x0000000005BB0000-0x0000000005C9F000-memory.dmp

      Filesize

      956KB

    • memory/3928-23-0x0000000000000000-mapping.dmp