Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/09/2023, 10:17

General

  • Target
    Purchase Samples-404995.exe
  • Size 594KB
  • Sample230911-mbc4safe29
  • SHA256 49c64577ddf3ce2e1f43c7832736e395b7e205132dd13c42e58be6a769a50832
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • hh36

Decoy
  • classyselects.com

  • wwwwesternjournal.com

  • em4466.com

  • youngkin.team

  • zuozhanggui.com

  • 628lakeview.com

  • emporiodaterragourmet.site

  • haferenvironmental.com

  • samgifarm.com

  • forgingbridgeacoramidis.com

  • supervarejobr.com

  • kedstry.xyz

  • ssongg2223.cfd

  • johannesstein.net

  • fastplumber.net

  • codullam.com

  • onemore-ikebukuro.com

  • ingarossi.net

  • calibratedstrengthcoaching.com

  • shisy3.xyz

Signatures

  • Formbook

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

  • Formbook payload 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3160
    • C:\Users\Admin\AppData\Local\Temp\Purchase Samples-404995.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Samples-404995.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3284
      • C:\Users\Admin\AppData\Local\Temp\Purchase Samples-404995.exe
        "C:\Users\Admin\AppData\Local\Temp\Purchase Samples-404995.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2208
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\SysWOW64\netsh.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1676
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Purchase Samples-404995.exe"
        3⤵
          PID:924

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1676-17-0x0000000000930000-0x000000000094E000-memory.dmp

          memory/1676-25-0x00000000011C0000-0x0000000001253000-memory.dmp

          memory/1676-22-0x00000000007D0000-0x00000000007FF000-memory.dmp

          memory/1676-21-0x0000000001350000-0x000000000169A000-memory.dmp

          memory/1676-20-0x00000000007D0000-0x00000000007FF000-memory.dmp

          memory/1676-19-0x0000000000930000-0x000000000094E000-memory.dmp

          memory/2208-15-0x00000000012D0000-0x00000000012E4000-memory.dmp

          memory/2208-9-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/2208-12-0x0000000001360000-0x00000000016AA000-memory.dmp

          memory/2208-14-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/3160-16-0x0000000008B90000-0x0000000008D1F000-memory.dmp

          memory/3160-27-0x0000000008D20000-0x0000000008E56000-memory.dmp

          memory/3160-26-0x0000000008D20000-0x0000000008E56000-memory.dmp

          memory/3160-23-0x0000000008B90000-0x0000000008D1F000-memory.dmp

          memory/3284-6-0x0000000074690000-0x0000000074E40000-memory.dmp

          memory/3284-7-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

          memory/3284-5-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

          memory/3284-4-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

          memory/3284-3-0x0000000005090000-0x0000000005122000-memory.dmp

          memory/3284-2-0x0000000005640000-0x0000000005BE4000-memory.dmp

          memory/3284-1-0x0000000074690000-0x0000000074E40000-memory.dmp

          memory/3284-0-0x0000000000580000-0x000000000061A000-memory.dmp

          memory/3284-11-0x0000000074690000-0x0000000074E40000-memory.dmp

          memory/3284-8-0x0000000008E20000-0x0000000008EBC000-memory.dmp