Analysis

  • max time kernel
    148s
  • max time network
    133s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/09/2026, 22:27

General

  • Target
    2026-09-22_104e4b11276fd327e9faa6631a19a4fb_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 380KB
  • Sample260922-2c418azybw
  • SHA256 43b6d3116b79a54298ce6836fd0ee4c399bf8cc93f640fbf95f8d120f5e811b4
  • 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
  • Detects Windows executables referencing non-Windows User-Agents 4 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-22_104e4b11276fd327e9faa6631a19a4fb_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-22_104e4b11276fd327e9faa6631a19a4fb_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Users\Admin\Documents\diagnostics\audiodg.exe
      "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
      2⤵
      • Executes dropped EXE
      PID:4380
    • 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:2392
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        PID:5688

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCXF3B5.tmp

        • Path C:\Program Files\7-Zip\RCXF3B5.tmp
        • Size 377KB
        • SHA256 0f91c9e4d6abeecc73fbfd549de8b9e34f84487819c50b7fa4210026f34103c0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        154148924398.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\154148924398.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        176761263029.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\176761263029.ico
        • Size 1KB
        • SHA256 99143e3c977916ae0bffcd76fb770cce778f63459bf49ab42b639bb4da8555c6
        • MD5 SHA1 SHA512 TLSH

        251333692370.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\251333692370.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        381702466314.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\381702466314.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        384739268274.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\384739268274.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        401473769688.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\401473769688.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 TLSH

        479233083630.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\479233083630.ico
        • Size 1KB
        • SHA256 b15cc5b7b654156b96c718da8c6a5402aa2d7afab332ec98038ce8a6b6efd052
        • MD5 SHA1 SHA512 TLSH

        549991806484.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\549991806484.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        554208566709.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\554208566709.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        610258780938.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\610258780938.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        662158363822.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\662158363822.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        709681741170.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\709681741170.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        978030894742.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\978030894742.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        audiodg.exe

        • Path C:\Users\Admin\Documents\diagnostics\audiodg.exe
        • Size 62KB
        • SHA256 8a6c33b5b22ef135cf207a056b7e6b12c65932d5b0656ea8ed49028bcac459d5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        shost.exe

        • Path C:\Users\Admin\Documents\diagnostics\shost.exe
        • Size 375KB
        • SHA256 8c3b767e32a73c8769940203d82a1f77c5018eea7775667a6b4750510d40ffd5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 3KB
        • SHA256 01e9cfd9f689e9840067ba96b569383cc023ff314817cf72e17d735af1b11b92
        • MD5 SHA1 SHA512 TLSH

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 4KB
        • SHA256 5fbf191875921ac5b946de1eb18b6f7d28f2dbfe41fed6d1163841aa81d94884
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4380-515-0x00007FFF186D0000-0x00007FFF19074000-memory.dmp

        memory/4380-51-0x00007FFF186D0000-0x00007FFF19074000-memory.dmp

        memory/4380-13-0x0000000000070000-0x0000000000086000-memory.dmp

        memory/4380-11-0x00007FFF1885F000-0x00007FFF18860000-memory.dmp

        memory/5688-482-0x00007FFF186D0000-0x00007FFF19074000-memory.dmp

        memory/5688-223-0x00007FFF186D0000-0x00007FFF19074000-memory.dmp