Analysis

  • max time kernel
    245s
  • max time network
    223s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-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 3 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Users\Admin\AppData\Local\Temp\catzx.exe
      "C:\Users\Admin\AppData\Local\Temp\catzx.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:100
      • 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:4912
      • C:\Users\Admin\AppData\Local\Temp\catzx.exe
        "C:\Users\Admin\AppData\Local\Temp\catzx.exe"
        3⤵
          PID:2024
      • C:\Windows\SysWOW64\autofmt.exe
        "C:\Windows\SysWOW64\autofmt.exe"
        2⤵
          PID:4944
        • C:\Windows\SysWOW64\systray.exe
          "C:\Windows\SysWOW64\systray.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1792
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\catzx.exe"
            3⤵
              PID:2328

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/100-130-0x0000000000E00000-0x0000000000E90000-memory.dmp
          Filesize

          576KB

        • memory/100-131-0x00000000060A0000-0x0000000006644000-memory.dmp
          Filesize

          5.6MB

        • memory/100-132-0x0000000005830000-0x00000000058C2000-memory.dmp
          Filesize

          584KB

        • memory/100-133-0x0000000005990000-0x0000000005A2C000-memory.dmp
          Filesize

          624KB

        • memory/100-134-0x00000000058D0000-0x00000000058DA000-memory.dmp
          Filesize

          40KB

        • memory/100-135-0x0000000007E70000-0x0000000007ED6000-memory.dmp
          Filesize

          408KB

        • memory/1792-146-0x0000000000000000-mapping.dmp
        • memory/1792-147-0x0000000000C20000-0x0000000000C26000-memory.dmp
          Filesize

          24KB

        • memory/1792-151-0x0000000002A10000-0x0000000002AA0000-memory.dmp
          Filesize

          576KB

        • memory/1792-149-0x0000000002B00000-0x0000000002E4A000-memory.dmp
          Filesize

          3.3MB

        • memory/1792-148-0x0000000000C80000-0x0000000000CAA000-memory.dmp
          Filesize

          168KB

        • memory/2024-136-0x0000000000000000-mapping.dmp
        • memory/2148-142-0x0000000002930000-0x0000000002AB9000-memory.dmp
          Filesize

          1.5MB

        • memory/2148-152-0x0000000002E00000-0x0000000002ED1000-memory.dmp
          Filesize

          836KB

        • memory/2148-145-0x0000000008690000-0x00000000087F9000-memory.dmp
          Filesize

          1.4MB

        • memory/2328-150-0x0000000000000000-mapping.dmp
        • memory/4912-141-0x0000000001240000-0x0000000001251000-memory.dmp
          Filesize

          68KB

        • memory/4912-137-0x0000000000000000-mapping.dmp
        • memory/4912-144-0x00000000012A0000-0x00000000012B1000-memory.dmp
          Filesize

          68KB

        • memory/4912-143-0x0000000000400000-0x000000000042A000-memory.dmp
          Filesize

          168KB

        • memory/4912-140-0x0000000000ED0000-0x000000000121A000-memory.dmp
          Filesize

          3.3MB

        • memory/4912-138-0x0000000000400000-0x000000000042A000-memory.dmp
          Filesize

          168KB