Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 02:55

General

  • Target
    x2077898fbe34d060ff9364af198e147a7275068d402fe544abc21dff6346323f.exe
  • Size 961KB
  • Sample260602-des5qsct21
  • SHA256 2077898fbe34d060ff9364af198e147a7275068d402fe544abc21dff6346323f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • XWorm V5.6

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    USB.exe

  • pastebin_url

    https://pastebin.com/raw/Fxzr3jeT

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 4 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Modifies system executable filetype association 2 TTPs 6 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\x2077898fbe34d060ff9364af198e147a7275068d402fe544abc21dff6346323f.exe
    "C:\Users\Admin\AppData\Local\Temp\x2077898fbe34d060ff9364af198e147a7275068d402fe544abc21dff6346323f.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4660
    • C:\Users\Admin\Documents\diagnostics\audiodg.exe
      "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      PID:3448
    • C:\Users\Admin\Documents\diagnostics\shost.exe
      "C:\Users\Admin\Documents\diagnostics\shost.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4180
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4572
    • C:\Users\Admin\AppData\Local\Temp\x2077898fbe34d060ff9364af198e147a7275068d402fe544abc21dff6346323f..exe
      "C:\Users\Admin\AppData\Local\Temp\x2077898fbe34d060ff9364af198e147a7275068d402fe544abc21dff6346323f..exe"
      2⤵
      • Executes dropped EXE
      PID:4920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 8
        3⤵
        • Program crash
        PID:4120
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4920 -ip 4920
    1⤵
      PID:1092

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          RCX3007.tmp

          • Path C:\Program Files\7-Zip\RCX3007.tmp
          • Size 377KB
          • SHA256 d61452523443430b4e4fd5dd479907c66f333bbaa805383165873305ffe98e83
          • MD5 SHA1 SHA512 SSDEEP TLSH

          093536856411.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\093536856411.ico
          • Size 1KB
          • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
          • MD5 SHA1 SHA512 TLSH

          100312832075.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\100312832075.ico
          • Size 1KB
          • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
          • MD5 SHA1 SHA512 TLSH

          140578328143..exe

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\140578328143..exe
          • Size 263KB
          • SHA256 66bf24b6a4a645bb814a8d44de5cb98ff544aa24c8acc843d21337260f6f5d43
          • MD5 SHA1 SHA512 SSDEEP TLSH

          215072886009.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\215072886009.ico
          • Size 1KB
          • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
          • MD5 SHA1 SHA512 TLSH

          255315376865..exe

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\255315376865..exe
          • Size 107KB
          • SHA256 16f7ddaa4944632505f557d45ade328911169a7af17599a71ffe7edfa5eb5f51
          • MD5 SHA1 SHA512 SSDEEP TLSH

          375212552187.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\375212552187.ico
          • Size 1KB
          • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
          • MD5 SHA1 SHA512 TLSH

          423226666715.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\423226666715.ico
          • Size 1KB
          • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
          • MD5 SHA1 SHA512 TLSH

          454995605023.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\454995605023.ico
          • Size 1KB
          • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
          • MD5 SHA1 SHA512 TLSH

          514416135021.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\514416135021.ico
          • Size 1KB
          • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
          • MD5 SHA1 SHA512 TLSH

          541296700604..exe

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\541296700604..exe
          • Size 1.4MB
          • SHA256 e6adb24c63c2622f76ed91b2def9498074716f5e154dd483b3469848e38174af
          • MD5 SHA1 SHA512 SSDEEP TLSH

          629661767994.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\629661767994.ico
          • Size 1KB
          • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
          • MD5 SHA1 SHA512 TLSH

          693438204619.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\693438204619.ico
          • Size 1KB
          • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
          • MD5 SHA1 SHA512 TLSH

          700351603311.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\700351603311.ico
          • Size 1KB
          • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
          • MD5 SHA1 SHA512 TLSH

          773604744232.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\773604744232.ico
          • Size 1KB
          • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
          • MD5 SHA1 SHA512 TLSH

          964710302705.exe

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\964710302705.exe
          • Size 4.1MB
          • SHA256 78425e626d0830c35ee05307ad6958055493acebbb8a2548ba3de4af6d6378f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          993032811333..exe

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\993032811333..exe
          • Size 1.4MB
          • SHA256 1724f2173c7307bea75bb4621bf7f52b673393f8bd2b77ee8308d3061eabe271
          • MD5 SHA1 SHA512 SSDEEP TLSH

          x2077898fbe34d060ff9364af198e147a7275068d402fe544abc21dff6346323f..exe

          • Path C:\Users\Admin\AppData\Local\Temp\x2077898fbe34d060ff9364af198e147a7275068d402fe544abc21dff6346323f..exe
          • Size 585KB
          • SHA256 766791aaca197d93c8b7249d0b9a218c7232da1b1527954452900b2d543a2119
          • MD5 SHA1 SHA512 SSDEEP TLSH

          audiodg.exe

          • Path C:\Users\Admin\Documents\diagnostics\audiodg.exe
          • Size 62KB
          • SHA256 76957a7db92abf1667474a4e45477cea7297e9a25c78c1fadd94795fc5390833
          • MD5 SHA1 SHA512 SSDEEP TLSH

          shost.exe

          • Path C:\Users\Admin\Documents\diagnostics\shost.exe
          • Size 375KB
          • SHA256 d2499624a15f09d05e72ee9139d712d015b1a6ea69b3e5432f9bd1474f4cf0f0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          logs.txt

          • Path C:\Users\Admin\Documents\logs.txt
          • Size 4KB
          • SHA256 2a01d8e8e9e7688baae182d41336e8dc6229551a7c10305cade0b0b6eaa2d54d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3448-14-0x0000000000AA0000-0x0000000000AB6000-memory.dmp