Analysis

  • max time kernel
    203s
  • max time network
    225s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    16-05-2022 12:10

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 4 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1252
    • 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:904
      • 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:1096
    • C:\Windows\SysWOW64\cmmon32.exe
      "C:\Windows\SysWOW64\cmmon32.exe"
      2⤵
        PID:564
      • 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:2020
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\catzx.exe"
          3⤵
          • Deletes itself
          PID:1016

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/904-55-0x00000000752B1000-0x00000000752B3000-memory.dmp
      Filesize

      8KB

    • memory/904-56-0x0000000004D70000-0x0000000004DE8000-memory.dmp
      Filesize

      480KB

    • memory/904-57-0x00000000002C0000-0x00000000002CA000-memory.dmp
      Filesize

      40KB

    • memory/904-58-0x0000000005490000-0x0000000005512000-memory.dmp
      Filesize

      520KB

    • memory/904-59-0x0000000000BE0000-0x0000000000C10000-memory.dmp
      Filesize

      192KB

    • memory/904-54-0x0000000000EC0000-0x0000000000F50000-memory.dmp
      Filesize

      576KB

    • memory/1016-75-0x0000000000000000-mapping.dmp
    • memory/1096-64-0x000000000041D9B0-mapping.dmp
    • memory/1096-61-0x0000000000400000-0x000000000042A000-memory.dmp
      Filesize

      168KB

    • memory/1096-60-0x0000000000400000-0x000000000042A000-memory.dmp
      Filesize

      168KB

    • memory/1096-66-0x0000000000400000-0x000000000042A000-memory.dmp
      Filesize

      168KB

    • memory/1096-67-0x0000000000860000-0x0000000000B63000-memory.dmp
      Filesize

      3.0MB

    • memory/1096-63-0x0000000000400000-0x000000000042A000-memory.dmp
      Filesize

      168KB

    • memory/1096-69-0x0000000000230000-0x0000000000241000-memory.dmp
      Filesize

      68KB

    • memory/1096-71-0x0000000000270000-0x0000000000281000-memory.dmp
      Filesize

      68KB

    • memory/1252-73-0x00000000079F0000-0x0000000007B5F000-memory.dmp
      Filesize

      1.4MB

    • memory/1252-72-0x0000000007380000-0x0000000007390000-memory.dmp
      Filesize

      64KB

    • memory/1252-68-0x0000000007890000-0x00000000079EE000-memory.dmp
      Filesize

      1.4MB

    • memory/1252-80-0x0000000004B70000-0x0000000004C5A000-memory.dmp
      Filesize

      936KB

    • memory/2020-74-0x0000000000000000-mapping.dmp
    • memory/2020-76-0x00000000009D0000-0x00000000009EB000-memory.dmp
      Filesize

      108KB

    • memory/2020-77-0x0000000000080000-0x00000000000AA000-memory.dmp
      Filesize

      168KB

    • memory/2020-78-0x00000000020C0000-0x00000000023C3000-memory.dmp
      Filesize

      3.0MB

    • memory/2020-79-0x0000000001E80000-0x0000000001F10000-memory.dmp
      Filesize

      576KB