Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2024, 13:57

General

  • Target

    WaveCrackedDMP.exe

  • Size

    73KB

  • MD5

    ce4f1a100fd681cfe3d3c9d1b2796f7f

  • SHA1

    fff7ebb099769718af77eb88d20e0a2a643f81fa

  • SHA256

    1aa182ba676ff52db9e4ee9aec4240daf43d3d2db8ed7b2f5c321d14a32167f6

  • SHA512

    fcb297232aa4929e59d1625a0cbd9d840a3858c412e2eb590917f381acd81534d864841bbe5a941504706203411719cd1e52a4290d7cf76a0ffbc68040595803

  • SSDEEP

    1536:tC9LgfUnFsz21dO4tY6KHvc+bPU2USzhO3vvw2j:tC9LsUnJ14bE+bcFS1OH/j

Malware Config

Extracted

Family

xworm

C2

thread-advanced.gl.at.ply.gg:4794

Attributes
  • Install_directory

    %AppData%

  • install_file

    WaveCrackDMP.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • 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 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\WaveCrackedDMP.exe
    "C:\Users\Admin\AppData\Local\Temp\WaveCrackedDMP.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3860
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "WaveCrackDMP" /tr "C:\Users\Admin\AppData\Roaming\WaveCrackDMP.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4156
  • C:\Users\Admin\AppData\Roaming\WaveCrackDMP.exe
    C:\Users\Admin\AppData\Roaming\WaveCrackDMP.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3460
  • C:\Users\Admin\AppData\Roaming\WaveCrackDMP.exe
    C:\Users\Admin\AppData\Roaming\WaveCrackDMP.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4132

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          654B

          MD5

          2ff39f6c7249774be85fd60a8f9a245e

          SHA1

          684ff36b31aedc1e587c8496c02722c6698c1c4e

          SHA256

          e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

          SHA512

          1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

          Filesize

          73KB

          MD5

          ce4f1a100fd681cfe3d3c9d1b2796f7f

          SHA1

          fff7ebb099769718af77eb88d20e0a2a643f81fa

          SHA256

          1aa182ba676ff52db9e4ee9aec4240daf43d3d2db8ed7b2f5c321d14a32167f6

          SHA512

          fcb297232aa4929e59d1625a0cbd9d840a3858c412e2eb590917f381acd81534d864841bbe5a941504706203411719cd1e52a4290d7cf76a0ffbc68040595803

        • memory/3460-12-0x00007FFB05A90000-0x00007FFB06551000-memory.dmp

          Filesize

          10.8MB

        • memory/3460-14-0x00007FFB05A90000-0x00007FFB06551000-memory.dmp

          Filesize

          10.8MB

        • memory/3860-0-0x00007FFB05A93000-0x00007FFB05A95000-memory.dmp

          Filesize

          8KB

        • memory/3860-1-0x0000000000B80000-0x0000000000B98000-memory.dmp

          Filesize

          96KB

        • memory/3860-6-0x00007FFB05A90000-0x00007FFB06551000-memory.dmp

          Filesize

          10.8MB

        • memory/3860-7-0x00007FFB05A93000-0x00007FFB05A95000-memory.dmp

          Filesize

          8KB

        • memory/3860-8-0x00007FFB05A90000-0x00007FFB06551000-memory.dmp

          Filesize

          10.8MB