Resubmissions

01-12-2024 20:51

241201-znngha1pew 10

15-11-2024 18:52

241115-xh927synds 10

15-11-2024 18:49

241115-xgp1mstkaj 10

15-11-2024 18:48

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15-11-2024 18:45

241115-xd4pmazdkq 10

15-11-2024 16:38

241115-t5f6vsxfjd 10

Analysis

  • max time kernel
    63s
  • max time network
    67s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2024 16:38

Errors

Reason
Machine shutdown

General

  • Target

    XClient.exe

  • Size

    63KB

  • MD5

    babb94ecb1c83f5daa6fbe659eaaa4f9

  • SHA1

    07289ec74f35061c515c6a835160ded06f823305

  • SHA256

    c82bb2bdf2a6a156eaa280eb6cd7f006e5c2421a24490ea017e0048c5e4ab140

  • SHA512

    93fb30710c1194bad4ce6cea55df8cca3b68dcb08a53dfb68f69cf6ca0695a3f89bae0e66d3f142c5d84cb9a03cc32ac65a815c9e859a1e4c39b50dd8609e6ab

  • SSDEEP

    1536:GjFmCqZLnPN/2hFtT/PXl6/3d8/kbS5duRcdjT5WkOLuKZEY:GeZrNMF9/EFAkbS5AKZT5WkOLuI

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:56069

front-applications.gl.at.ply.gg:56069

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Drops startup file 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).

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 49 IoCs
  • Suspicious use of SendNotifyMessage 49 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3156
    • C:\Windows\SYSTEM32\CMD.EXE
      "CMD.EXE"
      2⤵
        PID:4600
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4588

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk

      Filesize

      771B

      MD5

      fcec03df7b6039a864a3a71d828f41d4

      SHA1

      96cdf6c6b9aefb281eda9902d71f3ee422a726e5

      SHA256

      0569541950741222bebb754372b6544ce21d90b6b84c2de5ca510399740118f4

      SHA512

      42d66db221136f559279cc9d95cf5b997794d74e969057eaaf1f6e367f6cd07cb5b2217960f5e03a72661215b0b60cc751c0ba201b4d06c1ab4410828bda8545

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

      Filesize

      63KB

      MD5

      babb94ecb1c83f5daa6fbe659eaaa4f9

      SHA1

      07289ec74f35061c515c6a835160ded06f823305

      SHA256

      c82bb2bdf2a6a156eaa280eb6cd7f006e5c2421a24490ea017e0048c5e4ab140

      SHA512

      93fb30710c1194bad4ce6cea55df8cca3b68dcb08a53dfb68f69cf6ca0695a3f89bae0e66d3f142c5d84cb9a03cc32ac65a815c9e859a1e4c39b50dd8609e6ab

    • memory/3156-1-0x0000000000820000-0x0000000000836000-memory.dmp

      Filesize

      88KB

    • memory/3156-6-0x00007FFD37FB0000-0x00007FFD38A71000-memory.dmp

      Filesize

      10.8MB

    • memory/3156-7-0x00007FFD37FB3000-0x00007FFD37FB5000-memory.dmp

      Filesize

      8KB

    • memory/3156-8-0x00007FFD37FB0000-0x00007FFD38A71000-memory.dmp

      Filesize

      10.8MB

    • memory/3156-0-0x00007FFD37FB3000-0x00007FFD37FB5000-memory.dmp

      Filesize

      8KB

    • memory/3156-27-0x00000000028D0000-0x00000000028DE000-memory.dmp

      Filesize

      56KB

    • memory/3156-25-0x000000001C800000-0x000000001C80A000-memory.dmp

      Filesize

      40KB

    • memory/3156-24-0x000000001B4C0000-0x000000001B4CC000-memory.dmp

      Filesize

      48KB

    • memory/4588-9-0x0000027B12780000-0x0000027B12781000-memory.dmp

      Filesize

      4KB

    • memory/4588-16-0x0000027B12780000-0x0000027B12781000-memory.dmp

      Filesize

      4KB

    • memory/4588-15-0x0000027B12780000-0x0000027B12781000-memory.dmp

      Filesize

      4KB

    • memory/4588-21-0x0000027B12780000-0x0000027B12781000-memory.dmp

      Filesize

      4KB

    • memory/4588-20-0x0000027B12780000-0x0000027B12781000-memory.dmp

      Filesize

      4KB

    • memory/4588-17-0x0000027B12780000-0x0000027B12781000-memory.dmp

      Filesize

      4KB

    • memory/4588-19-0x0000027B12780000-0x0000027B12781000-memory.dmp

      Filesize

      4KB

    • memory/4588-18-0x0000027B12780000-0x0000027B12781000-memory.dmp

      Filesize

      4KB

    • memory/4588-11-0x0000027B12780000-0x0000027B12781000-memory.dmp

      Filesize

      4KB

    • memory/4588-10-0x0000027B12780000-0x0000027B12781000-memory.dmp

      Filesize

      4KB