Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    22/03/2021, 07:35

General

  • Target
    MACHINE SPECIFICATION.exe
  • Size 141KB
  • Sample210322-dsytqpfncx
  • SHA256 fd32e6bad3561c5fe9dcb7cc9429fb110fea37c843753f33f453b18df751520e
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Family
  • xloader

C2
  • http://www.dubainights.net/rrrq/

Decoy
  • sdlcutps.com

  • novieffendi.com

  • highpointedu.com

  • sagaming.today

  • charlottesteer.com

  • kilopapa.net

  • prime-executive.com

  • 8893270.com

  • gorillaikka.com

  • coynesgastropub.com

  • sun9376.xyz

  • coolkilo.com

  • 1clickdoc.online

  • fosa.info

  • smileburgerdelivery.com

  • ronpaulmessge17.com

  • sqwigs.com

  • xn--c1ajbkdnb9b0g.xn--p1acf

  • gelzers.info

  • banpluspay.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Users\Admin\AppData\Local\Temp\MACHINE SPECIFICATION.exe
      "C:\Users\Admin\AppData\Local\Temp\MACHINE SPECIFICATION.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4020
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout 1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4084
        • C:\Windows\SysWOW64\timeout.exe
          timeout 1
          4⤵
          • Delays execution with timeout.exe
          PID:4028
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\applaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\applaunch.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3164
    • C:\Windows\SysWOW64\cscript.exe
      "C:\Windows\SysWOW64\cscript.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:200
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\applaunch.exe"
        3⤵
          PID:3636

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/200-25-0x0000000004980000-0x0000000004A0F000-memory.dmp

          memory/200-24-0x0000000004B20000-0x0000000004E40000-memory.dmp

          memory/200-23-0x0000000000850000-0x0000000000878000-memory.dmp

          memory/200-22-0x0000000000990000-0x00000000009B7000-memory.dmp

          memory/3128-19-0x00000000032B0000-0x0000000003378000-memory.dmp

          memory/3128-26-0x00000000058D0000-0x0000000005A05000-memory.dmp

          memory/3164-18-0x0000000001290000-0x00000000012A0000-memory.dmp

          memory/3164-13-0x0000000000400000-0x0000000000429000-memory.dmp

          memory/3164-17-0x0000000005720000-0x0000000005A40000-memory.dmp

          memory/4020-2-0x0000000073CA0000-0x000000007438E000-memory.dmp

          memory/4020-12-0x0000000007CC0000-0x0000000007CC1000-memory.dmp

          memory/4020-9-0x00000000012D0000-0x0000000001308000-memory.dmp

          memory/4020-6-0x0000000007280000-0x0000000007281000-memory.dmp

          memory/4020-5-0x0000000005890000-0x0000000005891000-memory.dmp

          memory/4020-3-0x0000000000B70000-0x0000000000B71000-memory.dmp