Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/03/2025, 03:51

General

  • Target

    dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe

  • Size

    277KB

  • MD5

    d1458dc39b290683cefbb01cc5b0991a

  • SHA1

    e9749971be9d943cb2a62e2be5eb442161876ec6

  • SHA256

    dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d

  • SHA512

    f90bc037576ee1205fa260d5b6b05c95f930025bc40f541b92f39b845b8e9a90a59ec18ef0be1ab5cf7bb74ed6a6222fc1a882df894ba8e1e722d671aef37e35

  • SSDEEP

    6144:mncN0em3ZxfIiz1uE9FT6gLc/wtgdmvRvtsUuVGh+/Kq3u:P0dfJ8E9d6gLMaDvzsVu+d+

Malware Config

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe
    "C:\Users\Admin\AppData\Local\Temp\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1040
    • C:\Users\Admin\AppData\Local\Temp\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe
      "C:\Users\Admin\AppData\Local\Temp\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3904
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d" /tr "C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1040 -s 808
      2⤵
      • Program crash
      PID:3292
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1040 -ip 1040
    1⤵
      PID:4456
    • C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe
      C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5096
      • C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe
        "C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:796
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 800
        2⤵
        • Program crash
        PID:4964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 5096 -ip 5096
      1⤵
        PID:4144
      • C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe
        C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1240
        • C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe
          "C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4500
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 752
          2⤵
          • Program crash
          PID:1924
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1240 -ip 1240
        1⤵
          PID:4540

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe.log

          Filesize

          944B

          MD5

          5e94b238b014b2475a606db72c39b60f

          SHA1

          a6a2b64884f1a2bb82c0ee7fe0682f9c2c619ed9

          SHA256

          15f497aea89068cc4068fc495ecc93a4e5b6325423d6bf576cb73cae7ff86e48

          SHA512

          f57b4921101ee4c473af007d9eaf502c38681b3249bd8765156a741788b3b672687c0f06b31029aa09e6a8f3159666de6ed5e221fa5188ca7d5ca1c05e992896

        • C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe

          Filesize

          277KB

          MD5

          d1458dc39b290683cefbb01cc5b0991a

          SHA1

          e9749971be9d943cb2a62e2be5eb442161876ec6

          SHA256

          dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d

          SHA512

          f90bc037576ee1205fa260d5b6b05c95f930025bc40f541b92f39b845b8e9a90a59ec18ef0be1ab5cf7bb74ed6a6222fc1a882df894ba8e1e722d671aef37e35

        • memory/1040-9-0x0000000074950000-0x0000000075100000-memory.dmp

          Filesize

          7.7MB

        • memory/1040-1-0x0000000000D60000-0x0000000000DAE000-memory.dmp

          Filesize

          312KB

        • memory/1040-2-0x0000000005E70000-0x0000000006414000-memory.dmp

          Filesize

          5.6MB

        • memory/1040-3-0x0000000074950000-0x0000000075100000-memory.dmp

          Filesize

          7.7MB

        • memory/1040-0-0x000000007495E000-0x000000007495F000-memory.dmp

          Filesize

          4KB

        • memory/1040-6-0x0000000074950000-0x0000000075100000-memory.dmp

          Filesize

          7.7MB

        • memory/3904-5-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/3904-10-0x0000000074950000-0x0000000075100000-memory.dmp

          Filesize

          7.7MB

        • memory/3904-14-0x0000000074950000-0x0000000075100000-memory.dmp

          Filesize

          7.7MB

        • memory/3904-8-0x0000000005560000-0x00000000055FC000-memory.dmp

          Filesize

          624KB

        • memory/3904-7-0x0000000074950000-0x0000000075100000-memory.dmp

          Filesize

          7.7MB

        • memory/5096-17-0x0000000074950000-0x0000000075100000-memory.dmp

          Filesize

          7.7MB

        • memory/5096-18-0x0000000074950000-0x0000000075100000-memory.dmp

          Filesize

          7.7MB

        • memory/5096-19-0x0000000074950000-0x0000000075100000-memory.dmp

          Filesize

          7.7MB

        • memory/5096-21-0x0000000074950000-0x0000000075100000-memory.dmp

          Filesize

          7.7MB

        • memory/5096-24-0x0000000074950000-0x0000000075100000-memory.dmp

          Filesize

          7.7MB