Analysis

  • max time kernel
    128s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/03/2025, 22:29

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 5 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 10 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 51 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:2920
    • C:\Users\Admin\AppData\Local\Temp\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe
      "C:\Users\Admin\AppData\Local\Temp\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2564
      • 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:2808
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 512
      2⤵
      • Program crash
      PID:2856
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F83D0C2D-C537-4389-B21B-EE5794AD9609} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe
      C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1416
      • C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe
        "C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2640
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1416 -s 512
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2904
    • C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe
      C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1592
      • C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe
        "C:\Users\Admin\AppData\Roaming\dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2296
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 508
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    277KB

    MD5

    d1458dc39b290683cefbb01cc5b0991a

    SHA1

    e9749971be9d943cb2a62e2be5eb442161876ec6

    SHA256

    dc7d690adb8ea5ab1a9b1f65fc3a62b35d9ae4c57a7806ccb226b825f1465f2d

    SHA512

    f90bc037576ee1205fa260d5b6b05c95f930025bc40f541b92f39b845b8e9a90a59ec18ef0be1ab5cf7bb74ed6a6222fc1a882df894ba8e1e722d671aef37e35

  • memory/1416-28-0x0000000000830000-0x000000000087E000-memory.dmp

    Filesize

    312KB

  • memory/1592-49-0x00000000002E0000-0x000000000032E000-memory.dmp

    Filesize

    312KB

  • memory/2296-59-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2564-6-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2564-17-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2564-10-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2564-16-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2564-14-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2564-12-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2564-9-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2564-7-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2564-25-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2564-8-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2564-18-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2640-38-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2920-22-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/2920-23-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2920-24-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2920-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/2920-5-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2920-4-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2920-2-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2920-1-0x0000000000DC0000-0x0000000000E0E000-memory.dmp

    Filesize

    312KB