Analysis

  • max time kernel
    167s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    17/02/2022, 07:30

General

  • Target
    ORDER_96.exe
  • Size 292KB
  • Sample220217-jbvr2sbgbp
  • SHA256 e9fe0fe5cd5d59f973f1ea299c3476fbbd9e6a95f44509854286f584a313837c
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • xloader

Version
  • 2.5

Campaign
  • uar3

Decoy
  • sgadvocats.com

  • mjscannabus.com

  • hilldaley.com

  • ksdollhouse.com

  • hotgiftboutique.com

  • purebloodsmeet.com

  • relaunched.info

  • cap-glove.com

  • productcollection.store

  • fulikyy.xyz

  • remoteaviationjobs.com

  • bestcleancrystal.com

  • virtualorganizationpartner.com

  • bookgocar.com

  • hattuafhv.quest

  • makonigroup.com

  • officecom-myaccount.com

  • malgorzata-lac.com

  • e-learningeducators.com

  • hygilaur.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 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 49 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of UnmapMainImage 1 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 UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Users\Admin\AppData\Local\Temp\ORDER_96.exe
      "C:\Users\Admin\AppData\Local\Temp\ORDER_96.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2800
      • C:\Users\Admin\AppData\Local\Temp\xzwgzw.exe
        C:\Users\Admin\AppData\Local\Temp\xzwgzw.exe C:\Users\Admin\AppData\Local\Temp\mxshkert
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3472
        • C:\Users\Admin\AppData\Local\Temp\xzwgzw.exe
          C:\Users\Admin\AppData\Local\Temp\xzwgzw.exe C:\Users\Admin\AppData\Local\Temp\mxshkert
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:3056
    • 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:2480
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\xzwgzw.exe"
        3⤵
          PID:1360
    • C:\Windows\system32\MusNotifyIcon.exe
      %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
      1⤵
      • Checks processor information in registry
      PID:1936
    • 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:1852
    • 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:1336

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/2412-146-0x0000000008990000-0x0000000008B16000-memory.dmp

          memory/2412-141-0x0000000008DA0000-0x0000000008F49000-memory.dmp

          memory/2480-142-0x0000000000E60000-0x0000000000E66000-memory.dmp

          memory/2480-145-0x0000000004EE0000-0x0000000004F70000-memory.dmp

          memory/2480-144-0x00000000050B0000-0x00000000053FA000-memory.dmp

          memory/2480-143-0x0000000002F70000-0x0000000002F99000-memory.dmp

          memory/3056-139-0x000000000041D000-0x000000000041E000-memory.dmp

          memory/3056-140-0x00000000008E0000-0x00000000008F1000-memory.dmp

          memory/3056-137-0x0000000000970000-0x0000000000CBA000-memory.dmp

          memory/3056-135-0x0000000000400000-0x0000000000429000-memory.dmp

          memory/3472-134-0x0000000000470000-0x0000000000472000-memory.dmp