Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    17-02-2022 09:45

General

  • Target

    listaXdeXmuestrasXdeXproductosXpdf.exe

  • Size

    817KB

  • MD5

    c73964ca2586c536052df6cd230f4320

  • SHA1

    c3cfcc93528063a54dc0a1efdf76ecb3d6e8e8dc

  • SHA256

    79655e0deb2223be705fe64c7abde57e3d815e70a28ad51cae43703641e4c543

  • SHA512

    cae18eb6137593f8fcf2b633ecc29355f1aa47e88cf8e1dc5e97ebc6713280dbb88bf5ca2b830cda197451842e992a28df992be8a56defe70384a50f8fee82b1

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

pvxz

Decoy

imt-token.club

abravewayocen.online

shcloudcar.com

mshoppingworld.online

ncgf08.xyz

stuinfo.xyz

wesavetheplanetofficial.com

tourbox.xyz

believeinyourselftraining.com

jsboyat.com

aaeconomy.info

9etmorea.info

purosepeti7.com

goticketly.com

pinkmemorypt.com

mylifewellnesscentre.com

iridina.online

petrestore.online

neema.xyz

novelfooditalia.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
  • Blocklisted process makes network request 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 54 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 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:2324
    • C:\Users\Admin\AppData\Local\Temp\listaXdeXmuestrasXdeXproductosXpdf.exe
      "C:\Users\Admin\AppData\Local\Temp\listaXdeXmuestrasXdeXproductosXpdf.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:564
      • C:\Windows\SysWOW64\logagent.exe
        C:\Windows\System32\logagent.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1900
    • C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      2⤵
        PID:3300
      • C:\Windows\SysWOW64\msiexec.exe
        "C:\Windows\SysWOW64\msiexec.exe"
        2⤵
        • Blocklisted process makes network request
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1088
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Windows\SysWOW64\logagent.exe"
          3⤵
            PID:1828
      • C:\Windows\system32\MusNotifyIcon.exe
        %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
        1⤵
        • Checks processor information in registry
        PID:3772
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k NetworkService -p
        1⤵
        • Drops file in Windows directory
        • Modifies data under HKEY_USERS
        PID:3956
      • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
        C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
        1⤵
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        PID:3024

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      1
      T1112

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/564-133-0x0000000003B96000-0x0000000003B97000-memory.dmp
        Filesize

        4KB

      • memory/564-130-0x00000000024D0000-0x00000000024D1000-memory.dmp
        Filesize

        4KB

      • memory/1088-143-0x0000000000470000-0x0000000000482000-memory.dmp
        Filesize

        72KB

      • memory/1088-146-0x0000000004450000-0x00000000044E0000-memory.dmp
        Filesize

        576KB

      • memory/1088-145-0x00000000046C0000-0x0000000004A0A000-memory.dmp
        Filesize

        3.3MB

      • memory/1088-144-0x0000000002510000-0x0000000002539000-memory.dmp
        Filesize

        164KB

      • memory/1900-136-0x0000000072480000-0x00000000724A9000-memory.dmp
        Filesize

        164KB

      • memory/1900-139-0x0000000002A20000-0x0000000002A31000-memory.dmp
        Filesize

        68KB

      • memory/1900-135-0x00000000003E0000-0x00000000003E1000-memory.dmp
        Filesize

        4KB

      • memory/1900-137-0x0000000004580000-0x00000000048CA000-memory.dmp
        Filesize

        3.3MB

      • memory/1900-138-0x000000007249D000-0x000000007249E000-memory.dmp
        Filesize

        4KB

      • memory/1900-134-0x0000000072480000-0x00000000724A9000-memory.dmp
        Filesize

        164KB

      • memory/2324-140-0x0000000007D80000-0x0000000007F1C000-memory.dmp
        Filesize

        1.6MB

      • memory/2324-147-0x0000000008280000-0x00000000083D3000-memory.dmp
        Filesize

        1.3MB