Analysis

  • max time kernel
    154s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08/07/2022, 15:11

General

  • Target
    b1136341dce035655548d5c78daca86e.exe
  • Size 384KB
  • Sample220708-skk4mshee4
  • SHA256 e4368355994cacf472d053ff31a672820b4a293b7f7cff9eb1347dbe5335c9d7
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Family
  • xloader

Version
  • 2.6

Campaign
  • mt88

Decoy
  • syzbf32.xyz

  • pertlines.com

  • vybaveniprocyklostezky.com

  • elianmsalas.tech

  • a-snag-tokei-kaitori.com

  • tuvistaing.com

  • whoyoucall.net

  • l8e9gr.xyz

  • sophrologuemontevrain77.com

  • ciclean.com

  • the-roel.com

  • campgreencove.com

  • foremostbookkeeping.com

  • zamanscorner.com

  • efeturozemniyet.com

  • penelope.team

  • murata.life

  • solfuls.com

  • tradefitinvesting.com

  • skinbid.pro

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader payload 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3084
    • C:\Users\Admin\AppData\Local\Temp\b1136341dce035655548d5c78daca86e.exe
      "C:\Users\Admin\AppData\Local\Temp\b1136341dce035655548d5c78daca86e.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4744
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
        3⤵
          PID:2532
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:4872
      • C:\Windows\SysWOW64\colorcpl.exe
        "C:\Windows\SysWOW64\colorcpl.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2812
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
          3⤵
            PID:4248

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            memory/2812-143-0x0000000002960000-0x0000000002CAA000-memory.dmp

            memory/2812-146-0x00000000008E0000-0x000000000090B000-memory.dmp

            memory/2812-144-0x00000000026B0000-0x0000000002740000-memory.dmp

            memory/2812-142-0x00000000008E0000-0x000000000090B000-memory.dmp

            memory/2812-141-0x0000000000330000-0x0000000000349000-memory.dmp

            memory/3084-147-0x0000000008460000-0x0000000008579000-memory.dmp

            memory/3084-145-0x0000000008460000-0x0000000008579000-memory.dmp

            memory/3084-137-0x0000000002B10000-0x0000000002CAF000-memory.dmp

            memory/4744-130-0x00000000007B0000-0x0000000000812000-memory.dmp

            memory/4872-135-0x0000000001040000-0x000000000138A000-memory.dmp

            memory/4872-139-0x0000000000400000-0x000000000042B000-memory.dmp

            memory/4872-136-0x0000000000B40000-0x0000000000B51000-memory.dmp

            memory/4872-133-0x0000000000400000-0x000000000042B000-memory.dmp