Analysis

  • max time kernel
    38s
  • max time network
    116s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    19-01-2021 07:07

General

  • Target

    b55b31cbefb2c6334eab9e955a208803.exe

  • Size

    1.4MB

  • MD5

    b55b31cbefb2c6334eab9e955a208803

  • SHA1

    855712c2caa34130c687c32fbc80eb0308b6131e

  • SHA256

    410e324656b57d2eb5e1c0eabbdbda34d787f346ab817f1afbc388ea615c2585

  • SHA512

    7f895a902c0383d109fa7c6ed49658c3cf605b053e435360eca962265feb9efd503b02faf9606dc474f157ab2d0eb558471da267510e56464a0a3548c5d97b5b

Malware Config

Extracted

Family

formbook

C2

http://www.theatomicshots.com/xle/

Decoy

tknbr.com

loyaloneconstruction.com

what-where.com

matebacapital.com

marriedandmore.com

qiemfsolutions.com

graececonsulting.com

www7456.com

littlefreecherokeelibrary.com

tailgatepawkinglot.com

musheet.com

tesfamariamtb.com

1728025.com

xceltechuae.com

harperandchloe.com

thepamperedbarber.com

5050alberta.com

supplychainstrainer.com

lacorte.group

ringingbear.com

Signatures

  • Formbook

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

  • Formbook Payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b55b31cbefb2c6334eab9e955a208803.exe
    "C:\Users\Admin\AppData\Local\Temp\b55b31cbefb2c6334eab9e955a208803.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:984
    • C:\Users\Admin\AppData\Local\Temp\b55b31cbefb2c6334eab9e955a208803.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2336

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/984-2-0x0000000073300000-0x00000000739EE000-memory.dmp
    Filesize

    6.9MB

  • memory/984-3-0x0000000000520000-0x0000000000521000-memory.dmp
    Filesize

    4KB

  • memory/984-5-0x00000000074A0000-0x000000000751D000-memory.dmp
    Filesize

    500KB

  • memory/984-6-0x000000000AC20000-0x000000000AC21000-memory.dmp
    Filesize

    4KB

  • memory/984-7-0x000000000A8C0000-0x000000000A8C1000-memory.dmp
    Filesize

    4KB

  • memory/984-8-0x0000000001150000-0x0000000001151000-memory.dmp
    Filesize

    4KB

  • memory/984-9-0x000000000A820000-0x000000000A821000-memory.dmp
    Filesize

    4KB

  • memory/984-10-0x000000000AA40000-0x000000000AA4E000-memory.dmp
    Filesize

    56KB

  • memory/984-11-0x000000000C410000-0x000000000C46B000-memory.dmp
    Filesize

    364KB

  • memory/984-12-0x000000000C510000-0x000000000C511000-memory.dmp
    Filesize

    4KB

  • memory/2336-13-0x0000000000400000-0x000000000042E000-memory.dmp
    Filesize

    184KB

  • memory/2336-14-0x000000000041EB90-mapping.dmp
  • memory/2336-16-0x00000000010F0000-0x0000000001410000-memory.dmp
    Filesize

    3.1MB