Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-01-2021 04:58

General

  • Target

    15012021.exe

  • Size

    896KB

  • MD5

    49eaef0a7cb0cb134803b5f0697dde4b

  • SHA1

    74c9d06f4ffb47f349e68aeafa7d599ce240815b

  • SHA256

    9a9ac9671ba6e6954776498cf28264d6c1742bc52fb070d7736d83a3582a14c8

  • SHA512

    6d03e0521eac228a5077a2c994a2d3a6660940b2415c3e5f2642baeddbc7ff2f814c11f99e16a43c11f62dca5a0ced647d903ff4a75cedfd792e7d98cf1b66c9

Malware Config

Extracted

Family

formbook

C2

http://www.timoniks.com/rbg/

Decoy

fingermode.com

parkplace.finance

hollandgreen2020.com

starbets.site

vehiculesfrigorifiques.com

sydiifinancial.com

rpivuenation.com

freesubdirectory.com

independencepartynyc.com

dogruparti.info

independencecountyclub.com

midnightlashesbykim.com

digitalsept.com

whatilikeabouttoday.com

marktplaatsaccount.info

13400667334.com

xinwei-ge.com

login-appleid.info

momashands.com

kennyxpress.com

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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:3040
    • C:\Users\Admin\AppData\Local\Temp\15012021.exe
      "C:\Users\Admin\AppData\Local\Temp\15012021.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:576
      • C:\Users\Admin\AppData\Local\Temp\15012021.exe
        "C:\Users\Admin\AppData\Local\Temp\15012021.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1524
    • C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      2⤵
        PID:4056
      • 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:3600
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\15012021.exe"
          3⤵
            PID:1336

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/576-11-0x0000000005810000-0x0000000005875000-memory.dmp
        Filesize

        404KB

      • memory/576-9-0x0000000005550000-0x0000000005551000-memory.dmp
        Filesize

        4KB

      • memory/576-5-0x00000000052F0000-0x00000000052F1000-memory.dmp
        Filesize

        4KB

      • memory/576-6-0x0000000005890000-0x0000000005891000-memory.dmp
        Filesize

        4KB

      • memory/576-2-0x0000000073190000-0x000000007387E000-memory.dmp
        Filesize

        6.9MB

      • memory/576-8-0x0000000005270000-0x0000000005271000-memory.dmp
        Filesize

        4KB

      • memory/576-3-0x0000000000970000-0x0000000000971000-memory.dmp
        Filesize

        4KB

      • memory/576-10-0x00000000052B0000-0x00000000052C2000-memory.dmp
        Filesize

        72KB

      • memory/576-7-0x0000000005390000-0x0000000005391000-memory.dmp
        Filesize

        4KB

      • memory/1336-17-0x0000000000000000-mapping.dmp
      • memory/1524-12-0x0000000000400000-0x000000000042E000-memory.dmp
        Filesize

        184KB

      • memory/1524-13-0x000000000041EB40-mapping.dmp
      • memory/3600-14-0x0000000000000000-mapping.dmp
      • memory/3600-15-0x00000000013C0000-0x00000000013E7000-memory.dmp
        Filesize

        156KB

      • memory/3600-16-0x00000000013C0000-0x00000000013E7000-memory.dmp
        Filesize

        156KB

      • memory/3600-18-0x00000000056E0000-0x00000000057C8000-memory.dmp
        Filesize

        928KB