Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/05/2026, 09:03

General

  • Target
    x05c447991e72795eb4d07628cece0cc317cc0d6b0857a9693fca75104be3c1e7.exe
  • Size 13.9MB
  • Sample260503-k1fvvset51
  • SHA256 05c447991e72795eb4d07628cece0cc317cc0d6b0857a9693fca75104be3c1e7
  • 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 3 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).

  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\x05c447991e72795eb4d07628cece0cc317cc0d6b0857a9693fca75104be3c1e7.exe
    "C:\Users\Admin\AppData\Local\Temp\x05c447991e72795eb4d07628cece0cc317cc0d6b0857a9693fca75104be3c1e7.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1064
    • 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:5280
    • 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:2820
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:5044

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCX5C.tmp

        • Path C:\Program Files\7-Zip\RCX5C.tmp
        • Size 377KB
        • SHA256 5adff66fb2cf618832f3dd3d324d475ee3189ca3772e06df7fe9ebfb09e05410
        • MD5 SHA1 SHA512 SSDEEP TLSH

        032100860224.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\032100860224.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 TLSH

        121391716611..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\121391716611..exe
        • Size 1.4MB
        • SHA256 1724f2173c7307bea75bb4621bf7f52b673393f8bd2b77ee8308d3061eabe271
        • MD5 SHA1 SHA512 SSDEEP TLSH

        148494955487..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\148494955487..exe
        • Size 107KB
        • SHA256 16f7ddaa4944632505f557d45ade328911169a7af17599a71ffe7edfa5eb5f51
        • MD5 SHA1 SHA512 SSDEEP TLSH

        250471968375.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\250471968375.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        254364510665.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\254364510665.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        272064795102.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\272064795102.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        324202976563.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\324202976563.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        423923912003.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\423923912003.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        517522053941.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\517522053941.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        680459769562.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\680459769562.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        715572055520.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\715572055520.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        776637811897.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\776637811897.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        799932843029..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\799932843029..exe
        • Size 1.4MB
        • SHA256 e6adb24c63c2622f76ed91b2def9498074716f5e154dd483b3469848e38174af
        • MD5 SHA1 SHA512 SSDEEP TLSH

        852500326444..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\852500326444..exe
        • Size 263KB
        • SHA256 66bf24b6a4a645bb814a8d44de5cb98ff544aa24c8acc843d21337260f6f5d43
        • MD5 SHA1 SHA512 SSDEEP TLSH

        865634319562.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\865634319562.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        981176124564.exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\981176124564.exe
        • Size 4.1MB
        • SHA256 78425e626d0830c35ee05307ad6958055493acebbb8a2548ba3de4af6d6378f7
        • 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 e4956e3eea7716d488281acc0384d5bc60477ed9532fcebd47404bb440517091
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 4KB
        • SHA256 5307453d773f5c80fa29669a1aeacf948ffa2cfec6eb944c6e56906b63feb429
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5044-1488-0x000000001AF80000-0x000000001AF8C000-memory.dmp

        memory/5280-4047-0x000000001AF60000-0x000000001AF6C000-memory.dmp

        memory/5280-4055-0x000000001CB70000-0x000000001CB82000-memory.dmp

        memory/5280-4050-0x000000001C450000-0x000000001C526000-memory.dmp

        memory/5280-5-0x00000000003E0000-0x00000000003F6000-memory.dmp