Analysis

  • max time kernel
    132s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    13-01-2021 07:43

General

  • Target

    urgent specification request.exe

  • Size

    1.0MB

  • MD5

    72a9c8f82996953e9fa72e5e0b85afca

  • SHA1

    33f74928d66e687c2f981f9219a92d936152cbaf

  • SHA256

    931f6aeff35cea88af521bc2cdca24164113c47ab3153e148e33d5bce66313f4

  • SHA512

    ed85947f1b9f04e1d84646386b635c05dce66f063b3095b9873adbfa5b6c14b7f4bcc385aa14c0a2da4efd772e9278a517f58ff6b31d7f654d325d2efd0fdddd

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 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of UnmapMainImage
    PID:2784
    • C:\Users\Admin\AppData\Local\Temp\urgent specification request.exe
      "C:\Users\Admin\AppData\Local\Temp\urgent specification request.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:988
      • C:\Users\Admin\AppData\Local\Temp\urgent specification request.exe
        "C:\Users\Admin\AppData\Local\Temp\urgent specification request.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2236

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/988-2-0x0000000073800000-0x0000000073EEE000-memory.dmp
    Filesize

    6.9MB

  • memory/988-3-0x0000000000560000-0x0000000000561000-memory.dmp
    Filesize

    4KB

  • memory/988-5-0x0000000004EF0000-0x0000000004EF1000-memory.dmp
    Filesize

    4KB

  • memory/988-6-0x00000000054F0000-0x00000000054F1000-memory.dmp
    Filesize

    4KB

  • memory/988-7-0x0000000004FF0000-0x0000000004FF1000-memory.dmp
    Filesize

    4KB

  • memory/988-8-0x0000000004E70000-0x0000000004E71000-memory.dmp
    Filesize

    4KB

  • memory/988-9-0x00000000051C0000-0x00000000051C1000-memory.dmp
    Filesize

    4KB

  • memory/988-10-0x0000000004EB0000-0x0000000004EC2000-memory.dmp
    Filesize

    72KB

  • memory/988-11-0x0000000005D40000-0x0000000005DAB000-memory.dmp
    Filesize

    428KB

  • memory/2236-12-0x0000000000400000-0x000000000042E000-memory.dmp
    Filesize

    184KB

  • memory/2236-13-0x000000000041EB40-mapping.dmp