Analysis

  • max time kernel
    159s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    16/02/2022, 17:22

General

  • Target
    Lista de orden.exe
  • Size 1.0MB
  • Sample220216-vxkdzsdcam
  • SHA256 10b8fbcea2f59c78bdbf498297dbbe4c8156f80b371bf1bee8cedd196e911d27
  • 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.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Xloader Payload 2 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 1 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 Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies data under HKEY_USERS 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 52 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 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:2444
    • C:\Users\Admin\AppData\Local\Temp\Lista de orden.exe
      "C:\Users\Admin\AppData\Local\Temp\Lista de orden.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3144
      • 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:3604
    • C:\Windows\SysWOW64\wlanext.exe
      "C:\Windows\SysWOW64\wlanext.exe"
      2⤵
      • Adds policy Run key to start application
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1752
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\logagent.exe"
        3⤵
          PID:3736
        • C:\Windows\SysWOW64\cmd.exe
          /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
          3⤵
            PID:2604
      • C:\Windows\system32\MusNotifyIcon.exe
        %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
        1⤵
        • Checks processor information in registry
        PID:3420
      • 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:4000
      • 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:3308

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/1752-142-0x00000000026F0000-0x0000000002719000-memory.dmp

            memory/1752-144-0x0000000002C40000-0x0000000002CD0000-memory.dmp

            memory/1752-143-0x0000000002E10000-0x000000000315A000-memory.dmp

            memory/1752-141-0x0000000000320000-0x0000000000337000-memory.dmp

            memory/2444-145-0x0000000008810000-0x0000000008900000-memory.dmp

            memory/2444-140-0x0000000008740000-0x0000000008806000-memory.dmp

            memory/3144-132-0x0000000000406000-0x0000000000407000-memory.dmp

            memory/3144-130-0x0000000000720000-0x0000000000721000-memory.dmp

            memory/3604-135-0x0000000072480000-0x00000000724A9000-memory.dmp

            memory/3604-139-0x0000000002FC0000-0x0000000002FD1000-memory.dmp

            memory/3604-138-0x000000007249D000-0x000000007249E000-memory.dmp

            memory/3604-136-0x0000000004C00000-0x0000000004F4A000-memory.dmp

            memory/3604-134-0x0000000000C70000-0x0000000000C71000-memory.dmp