Analysis

  • max time kernel
    179s
  • max time network
    201s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    10/02/2022, 07:26

General

  • Target
    Proforma Fatura Siparisi.exe
  • Size 961KB
  • Sample220210-h9rbvagbd2
  • SHA256 31fa37041b3f218ac8e44e16ae4bc549e962ce1cda58a1df870179ee94ed1753
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • xloader

Version
  • 2.5

Campaign
  • euv4

Decoy
  • anniebapartments.com

  • hagenbicycles.com

  • herbalist101.com

  • southerncorrosion.net

  • kuechenpruefer.com

  • tajniezdrzi.quest

  • segurofunerarioar.com

  • boardsandbeamsdecor.com

  • alifdanismanlik.com

  • pkem.top

  • mddc.clinic

  • handejqr.com

  • crux-at.com

  • awp.email

  • hugsforbubbs.com

  • cielotherepy.com

  • turkcuyuz.com

  • teamidc.com

  • lankasirinspa.com

  • 68135.online

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Users\Admin\AppData\Local\Temp\Proforma Fatura Siparisi.exe
      "C:\Users\Admin\AppData\Local\Temp\Proforma Fatura Siparisi.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4728
      • 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:4196
    • C:\Windows\SysWOW64\cmstp.exe
      "C:\Windows\SysWOW64\cmstp.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2384
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\logagent.exe"
        3⤵
          PID:2228
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1700
    • 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:4204

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1700-140-0x00000243D2320000-0x00000243D2330000-memory.dmp

          memory/1700-145-0x00000243D4A40000-0x00000243D4A44000-memory.dmp

          memory/1700-141-0x00000243D2380000-0x00000243D2390000-memory.dmp

          memory/2384-146-0x0000000002560000-0x00000000025F0000-memory.dmp

          memory/2384-144-0x0000000002800000-0x0000000002B4A000-memory.dmp

          memory/2384-143-0x0000000000850000-0x0000000000879000-memory.dmp

          memory/2384-142-0x0000000000260000-0x0000000000276000-memory.dmp

          memory/2620-139-0x00000000090C0000-0x00000000091D7000-memory.dmp

          memory/2620-147-0x00000000094A0000-0x000000000960A000-memory.dmp

          memory/4196-138-0x0000000002E60000-0x0000000002E71000-memory.dmp

          memory/4196-137-0x000000007249D000-0x000000007249E000-memory.dmp

          memory/4196-135-0x0000000003060000-0x00000000033AA000-memory.dmp

          memory/4196-134-0x0000000072480000-0x00000000724A9000-memory.dmp

          memory/4196-133-0x0000000001060000-0x0000000001061000-memory.dmp

          memory/4728-131-0x0000000000810000-0x0000000000811000-memory.dmp