Analysis

  • max time kernel
    151s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    09/04/2022, 07:23

General

  • Target
    c5c4d1d50862215ec715be1def000f3a.exe
  • Size 780KB
  • Sample220409-h7sf5afba2
  • SHA256 da3faf405c8673426db7d5e6a59fb74f2cb6e0362b6e280a09024ba97dc98dc7
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • r2y0

Decoy
  • arzoneproperty.com

  • pathtopronetwork.com

  • jasasumurborjawatimur.com

  • albertliang.info

  • subvipndg.site

  • fzmtzs.com

  • qianguodong.xyz

  • artifact-label.com

  • fuss-about.com

  • denimfactorylb.com

  • sbsmwkdnc.com

  • cdspaint.com

  • iloveyour.info

  • ballantineshotels.com

  • infoxcore.com

  • advisorlove.com

  • frauimmond.com

  • vibeplot.com

  • toje2523.xyz

  • masterbetting125.com

Signatures

  • Formbook

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5c4d1d50862215ec715be1def000f3a.exe
    "C:\Users\Admin\AppData\Local\Temp\c5c4d1d50862215ec715be1def000f3a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4364
    • C:\Users\Admin\AppData\Local\Temp\c5c4d1d50862215ec715be1def000f3a.exe
      "C:\Users\Admin\AppData\Local\Temp\c5c4d1d50862215ec715be1def000f3a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2612

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2612-131-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/2612-132-0x0000000001400000-0x000000000174A000-memory.dmp

        memory/4364-124-0x0000000000D90000-0x0000000000E5C000-memory.dmp

        memory/4364-125-0x0000000005E90000-0x0000000006434000-memory.dmp

        memory/4364-126-0x00000000057E0000-0x0000000005872000-memory.dmp

        memory/4364-127-0x0000000005990000-0x0000000005A2C000-memory.dmp

        memory/4364-128-0x0000000005890000-0x000000000589A000-memory.dmp

        memory/4364-129-0x0000000001370000-0x00000000013D6000-memory.dmp