Analysis

  • max time kernel
    153s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    16-05-2022 16:54

General

  • Target

    catzx.exe

  • Size

    556KB

  • MD5

    a505757fb36d0c2945985135b1de90cb

  • SHA1

    0f90b28aa225725493ef72a9915bf0c5082ff992

  • SHA256

    13bd267ca3d7af495f8cd8f72daf3ea997312671eafe9992a88768e4f3ecc601

  • SHA512

    37d993fcb3774673a840d4e13e768c7160120c04746972f8efed6c4687e9872fcc175849193510190fbc5047ce89abcce5c3457955b85e7912c09c12b1f0f011

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

r007

Decoy

trashpandaservice.com

mobileads.network

ascolstore.com

gelsinextra.com

bonestell.net

heitoll.xyz

ceapgis.com

mon-lapin.biz

miq-eva.com

rematedesillas.com

playingonline.xyz

hausense.quest

tnyzw.com

appsdial.com

addcolor.city

hagenoblog.com

michaelwesleyj.com

she-zain.com

lorhsems.com

karmaserena.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Xloader Payload 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Users\Admin\AppData\Local\Temp\catzx.exe
      "C:\Users\Admin\AppData\Local\Temp\catzx.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Users\Admin\AppData\Local\Temp\catzx.exe
        "C:\Users\Admin\AppData\Local\Temp\catzx.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:4104
    • C:\Windows\SysWOW64\msdt.exe
      "C:\Windows\SysWOW64\msdt.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3428
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\catzx.exe"
        3⤵
          PID:2152

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1984-131-0x0000000005980000-0x0000000005F24000-memory.dmp
      Filesize

      5.6MB

    • memory/1984-132-0x0000000005290000-0x0000000005322000-memory.dmp
      Filesize

      584KB

    • memory/1984-133-0x00000000053D0000-0x000000000546C000-memory.dmp
      Filesize

      624KB

    • memory/1984-134-0x0000000005240000-0x000000000524A000-memory.dmp
      Filesize

      40KB

    • memory/1984-135-0x0000000007530000-0x0000000007596000-memory.dmp
      Filesize

      408KB

    • memory/1984-130-0x0000000000800000-0x0000000000890000-memory.dmp
      Filesize

      576KB

    • memory/2152-146-0x0000000000000000-mapping.dmp
    • memory/3044-141-0x0000000007CA0000-0x0000000007E29000-memory.dmp
      Filesize

      1.5MB

    • memory/3044-148-0x0000000007E30000-0x0000000007F2B000-memory.dmp
      Filesize

      1004KB

    • memory/3428-144-0x00000000007B0000-0x00000000007DA000-memory.dmp
      Filesize

      168KB

    • memory/3428-142-0x0000000000000000-mapping.dmp
    • memory/3428-143-0x0000000000730000-0x0000000000787000-memory.dmp
      Filesize

      348KB

    • memory/3428-145-0x0000000002920000-0x0000000002C6A000-memory.dmp
      Filesize

      3.3MB

    • memory/3428-147-0x0000000002820000-0x00000000028B0000-memory.dmp
      Filesize

      576KB

    • memory/4104-140-0x0000000001020000-0x0000000001031000-memory.dmp
      Filesize

      68KB

    • memory/4104-139-0x0000000001060000-0x00000000013AA000-memory.dmp
      Filesize

      3.3MB

    • memory/4104-137-0x0000000000400000-0x000000000042A000-memory.dmp
      Filesize

      168KB

    • memory/4104-136-0x0000000000000000-mapping.dmp