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
    26/10/2026, 12:20

General

  • Target
    2026-10-25_cb17a6d38198124f6a1f48b3ae223a0d_cobalt-strike_glassworm_hijackloader_icedid_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 417KB
  • Sample261026-phw7caba89
  • SHA256 693360327b9ea977b588c92ed02c906bda83d85c6f6a2bc2eb0e59d15914a047
  • 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 a file named after a Windows system binary 1 TTPs 2 IoCs

    The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

  • 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.

  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-25_cb17a6d38198124f6a1f48b3ae223a0d_cobalt-strike_glassworm_hijackloader_icedid_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-25_cb17a6d38198124f6a1f48b3ae223a0d_cobalt-strike_glassworm_hijackloader_icedid_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4312
    • C:\Users\Admin\Documents\diagnostics\audiodg.exe
      "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
      2⤵
      • Executes a file named after a Windows system binary
      • Executes dropped EXE
      PID:4372
    • 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:4788
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes a file named after a Windows system binary
        • Executes dropped EXE
        PID:1464
    • C:\Users\Admin\AppData\Local\Temp\2026-10-25_cb17a6d38198124f6a1f48b3ae223a0d_cobalt-strike_glassworm_hijackloader_icedid_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-10-25_cb17a6d38198124f6a1f48b3ae223a0d_cobalt-strike_glassworm_hijackloader_icedid_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      PID:3612

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCX32DB.tmp

        • Path C:\Program Files\7-Zip\RCX32DB.tmp
        • Size 377KB
        • SHA256 13fb7253971ddbbe073834204ce95dbab2cd298fed2feaa728ae8148aa49e4f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-10-25_cb17a6d38198124f6a1f48b3ae223a0d_cobalt-strike_glassworm_hijackloader_icedid_ryuk_satacom_stealc_vidar_xworm..exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-10-25_cb17a6d38198124f6a1f48b3ae223a0d_cobalt-strike_glassworm_hijackloader_icedid_ryuk_satacom_stealc_vidar_xworm..exe
        • Size 41KB
        • SHA256 ca70db00555683fdc153d38bbce1dc1cc9d7b50f20588e6ca9055a552393268d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        027702083884.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\027702083884.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        105982915452.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\105982915452.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        108853132232.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\108853132232.ico
        • Size 1KB
        • SHA256 a742238dacdff4363a430dacedb364ff073cd4c1f1799badcc88f3b681d565ca
        • MD5 SHA1 SHA512 TLSH

        127921479477.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\127921479477.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        173231638464.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\173231638464.ico
        • Size 1KB
        • SHA256 0eecaeef9593a8bdab3aaaf9fdcf9cd4d312fb5c2015b1e12533dbfdfc9e2e58
        • MD5 SHA1 SHA512 TLSH

        266340301635.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\266340301635.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        305747002180.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\305747002180.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        376318937029.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\376318937029.ico
        • Size 1KB
        • SHA256 99143e3c977916ae0bffcd76fb770cce778f63459bf49ab42b639bb4da8555c6
        • MD5 SHA1 SHA512 TLSH

        385430621245.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\385430621245.ico
        • Size 1KB
        • SHA256 c87216c7ca4c6510e0957de46c989ec10827b6b03b4bd518cf81c7ea2a140b8b
        • MD5 SHA1 SHA512 TLSH

        467195634435.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\467195634435.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        554527644016.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\554527644016.ico
        • Size 1KB
        • SHA256 5d0ddd51604345a2d39f5008290607d8af6bfd8d17c1f4eb914b8cc0d2953da4
        • MD5 SHA1 SHA512 TLSH

        557521039568.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\557521039568.ico
        • Size 1KB
        • SHA256 1c413336445e2b6d1de737844f2a298eb8eed23eb6a0671cefeb15caeb8eaef9
        • MD5 SHA1 SHA512 TLSH

        580554271967.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\580554271967.ico
        • Size 1KB
        • SHA256 b15cc5b7b654156b96c718da8c6a5402aa2d7afab332ec98038ce8a6b6efd052
        • MD5 SHA1 SHA512 TLSH

        586357091465.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\586357091465.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        597507585975.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\597507585975.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        608716099489.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\608716099489.ico
        • Size 1KB
        • SHA256 18749bf7cbeaf430807c30dca88b7b7514a65e8c5170f1bcabb548f375e493fe
        • MD5 SHA1 SHA512 TLSH

        626724566486.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\626724566486.ico
        • Size 1KB
        • SHA256 9a6584c0e0a8cf98d3d7bd968a9ae54141256e454f1d7dabbc1e59b02be3f016
        • MD5 SHA1 SHA512 TLSH

        682870937137.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\682870937137.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 TLSH

        887918623630.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\887918623630.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        921183047367.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\921183047367.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        audiodg.exe

        • Path C:\Users\Admin\Documents\diagnostics\audiodg.exe
        • Size 62KB
        • SHA256 7e5a39a84a4e6fa368650cd74a600d37064344fde4d32d8ed52937f84b58d49e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        shost.exe

        • Path C:\Users\Admin\Documents\diagnostics\shost.exe
        • Size 375KB
        • SHA256 23f1e27eb240919a6cb47bd977bd9ab6b436f842957516b891201b7c3b94aa39
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 2KB
        • SHA256 42aaaf44ff5c97334ea524d4b2d73742397099e4c0a4786d7894a4a9fb61016b
        • MD5 SHA1 SHA512 TLSH

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 4KB
        • SHA256 24e291c1a0b0a3ff6089a1cd4269f11c758c543fda2e5e98f81748e30282c600
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1464-380-0x00007FFB01FA0000-0x00007FFB02944000-memory.dmp

        memory/1464-138-0x00007FFB01FA0000-0x00007FFB02944000-memory.dmp

        memory/4372-20-0x00007FFB01FA0000-0x00007FFB02944000-memory.dmp

        memory/4372-489-0x00007FFB01FA0000-0x00007FFB02944000-memory.dmp

        memory/4372-15-0x00007FFB01FA0000-0x00007FFB02944000-memory.dmp

        memory/4372-11-0x00000000005A0000-0x00000000005B6000-memory.dmp

        memory/4372-10-0x00007FFB0212F000-0x00007FFB02130000-memory.dmp