Analysis

  • max time kernel
    114s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    10-05-2021 13:05

General

  • Target

    0987654345690987654356787654.exe

  • Size

    647KB

  • MD5

    8de5c116b2cde266b707582ade061a55

  • SHA1

    21a6a11acfcd3c975efacf067d8b9db96072246c

  • SHA256

    2efbb8abb0745a78dba6bdd6137619d948b47b352ab95732f00471831f95ad6d

  • SHA512

    f50236d58dfb2c0670101b97e57fb780a48e0cddf34a60d28057f5cf9e6cfe91d1e87851c08de00480750977bb503596aedb51b1c06fea80a2057f4c1f4536fa

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.btyaning.com/mpr/

Decoy

314278.com

tantradarsan.com

benefitlmc.com

enterprisedisruptors.com

shoptesa.com

yourvirtualjob.com

queencz.com

meddypro.com

sarahcasias.com

mhrcbxnuwf.com

elgoldetuvida.com

veeyvmgwh.icu

virtualpos.info

handymanlothian.com

shopbond.com

21att.com

fluffbylaww.com

mcintyreanddodd.com

familycq.com

spareprelude.life

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0987654345690987654356787654.exe
    "C:\Users\Admin\AppData\Local\Temp\0987654345690987654356787654.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Users\Admin\AppData\Local\Temp\0987654345690987654356787654.exe
      "C:\Users\Admin\AppData\Local\Temp\0987654345690987654356787654.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:112

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/112-66-0x000000000041EA90-mapping.dmp
  • memory/112-65-0x0000000000400000-0x000000000042E000-memory.dmp
    Filesize

    184KB

  • memory/112-68-0x0000000000810000-0x0000000000B13000-memory.dmp
    Filesize

    3.0MB

  • memory/540-59-0x00000000002C0000-0x00000000002C1000-memory.dmp
    Filesize

    4KB

  • memory/540-61-0x0000000004C90000-0x0000000004C91000-memory.dmp
    Filesize

    4KB

  • memory/540-62-0x0000000000210000-0x0000000000214000-memory.dmp
    Filesize

    16KB

  • memory/540-63-0x0000000005230000-0x00000000052AD000-memory.dmp
    Filesize

    500KB

  • memory/540-64-0x0000000000410000-0x0000000000448000-memory.dmp
    Filesize

    224KB