Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/06/2024, 12:33

General

  • Target
    staff record or employee record.exe
  • Size 1.0MB
  • Sample240604-prnlkagb2v
  • SHA256 261455d96e8709457efeddf1998e7c1f7e6c333551eea1ada7506ffae627003a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • as02

Decoy
  • qwin777.com

  • robinhoods.live

  • h3jh-dal.pics

  • braindeadcopywriting.com

  • kktcbet1000.com

  • mpo0463.cfd

  • raboteshoes.com

  • ab1718.com

  • lowcrusiers.com

  • gregcopelandmusic.com

  • dkfndch.store

  • firstclassuni.com

  • 00ewu1ub.com

  • shunweichemical.com

  • sugarits.com

  • marqify.com

  • mistmajik.com

  • trezip.online

  • tinytables.xyz

  • suestergocoaching.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
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3444
    • C:\Users\Admin\AppData\Local\Temp\staff record or employee record.exe
      "C:\Users\Admin\AppData\Local\Temp\staff record or employee record.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4580
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\staff record or employee record.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:5040
    • C:\Windows\SysWOW64\chkdsk.exe
      "C:\Windows\SysWOW64\chkdsk.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\svchost.exe"
        3⤵
          PID:3712

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          memory/1092-17-0x0000000000FD0000-0x0000000000FDA000-memory.dmp

          memory/1092-19-0x0000000000E70000-0x0000000000E9F000-memory.dmp

          memory/1092-18-0x0000000000FD0000-0x0000000000FDA000-memory.dmp

          memory/3444-21-0x00000000093B0000-0x00000000094E6000-memory.dmp

          memory/3444-16-0x00000000093B0000-0x00000000094E6000-memory.dmp

          memory/3444-24-0x00000000094F0000-0x000000000966E000-memory.dmp

          memory/3444-25-0x00000000094F0000-0x000000000966E000-memory.dmp

          memory/3444-28-0x00000000094F0000-0x000000000966E000-memory.dmp

          memory/4580-10-0x0000000001080000-0x0000000001084000-memory.dmp

          memory/5040-14-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/5040-15-0x00000000015D0000-0x00000000015E5000-memory.dmp

          memory/5040-12-0x0000000001900000-0x0000000001C4A000-memory.dmp

          memory/5040-11-0x0000000000400000-0x000000000042F000-memory.dmp