Analysis

  • max time kernel
    149s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/04/2026, 04:29

General

  • Target
    2026-04-23_0f9585c9abe5fdba816a75661e9168a7_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 424KB
  • Sample260423-e4akcsgz2r
  • SHA256 ea2dbeec97f80a697378c26e0720c4ebe312276e51cbadde22a72216ff7248fe
  • 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
  • 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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-23_0f9585c9abe5fdba816a75661e9168a7_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-23_0f9585c9abe5fdba816a75661e9168a7_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4520
    • 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:4676
    • 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:5096
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1764
    • C:\Users\Admin\AppData\Local\Temp\2026-04-23_0f9585c9abe5fdba816a75661e9168a7_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-04-23_0f9585c9abe5fdba816a75661e9168a7_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      PID:4428

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 375KB
        • SHA256 8f6ec2e2dcd0054b1d7a6cf3620efb63f1ccd215ecf6443e5848aa6b15c9b29a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX1E54.tmp

        • Path C:\Program Files\7-Zip\RCX1E54.tmp
        • Size 377KB
        • SHA256 37c42a3c0f4d8a2dc4d74a01ab0b60e3f4737c4c08f53e2af045b9147364896a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-04-23_0f9585c9abe5fdba816a75661e9168a7_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-04-23_0f9585c9abe5fdba816a75661e9168a7_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe
        • Size 49KB
        • SHA256 8cc37c841c6734ee11ec48cf7e06859d6d1165179c235c361a74cb9aaf14e208
        • MD5 SHA1 SHA512 SSDEEP TLSH

        062025871932.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\062025871932.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        078697294988..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\078697294988..exe
        • Size 109KB
        • SHA256 108818ed973cfd2d73c374f6cb461639f39caf52bc28f8b7ceb7eab13d5d7b37
        • MD5 SHA1 SHA512 SSDEEP TLSH

        218234397268..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\218234397268..exe
        • Size 3.3MB
        • SHA256 be28b354497c31f2813a97217a3d61e075b03439d4d055c2ce904913de7080be
        • MD5 SHA1 SHA512 SSDEEP TLSH

        286098417845..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\286098417845..exe
        • Size 574KB
        • SHA256 a4f22b40651e87830c2ac8f40b9c84d94bda6fe3a54641625b600c3ce2d7d8be
        • MD5 SHA1 SHA512 SSDEEP TLSH

        343805826059.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\343805826059.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 TLSH

        431268628127.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\431268628127.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        443846522943.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\443846522943.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        447999302145.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\447999302145.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        502708533462.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\502708533462.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        568171230237..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\568171230237..exe
        • Size 2.4MB
        • SHA256 de9903082cdf397fc2f6cb24ba226a61b4cc2e402d1ffa99c37f8871be53d1ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        605838803569.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\605838803569.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        664558658760..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\664558658760..exe
        • Size 268KB
        • SHA256 a7f1ec482233f03892d238d24504f2950d583cf580c39acb9bdcbe928066cef1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        686839688358..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\686839688358..exe
        • Size 9.9MB
        • SHA256 2892c988e54ab035646f9538f7493b0ddfe4541c358de28fb4a02fc32d8bdce0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        749636852923.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\749636852923.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        801336037082.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\801336037082.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        812245354269.exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\812245354269.exe
        • Size 4.1MB
        • SHA256 78425e626d0830c35ee05307ad6958055493acebbb8a2548ba3de4af6d6378f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        848013235728.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\848013235728.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        900973262311.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\900973262311.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        audiodg.exe

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

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 4KB
        • SHA256 56a09bc6faa171dd19ece921767faad0a4cf9866d3774e4f28777842b5d4bf81
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1764-1063-0x0000000000E70000-0x0000000000E7C000-memory.dmp

        memory/4676-19-0x0000000000AE0000-0x0000000000AF6000-memory.dmp

        memory/4676-3103-0x0000000001290000-0x000000000129C000-memory.dmp