Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    15/04/2026, 04:09

General

  • Target
    2026-04-15_81c0de8cdbbbd5c924170262d84893e2_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 396KB
  • Sample260415-eq4w2sev2m
  • SHA256 5470ce8bb9f276ea228ab5879a623fcb2c631cbf8f6f042b187ea3c07c48f567
  • 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
  • Custom signature
    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\2026-04-15_81c0de8cdbbbd5c924170262d84893e2_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-15_81c0de8cdbbbd5c924170262d84893e2_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1880
    • 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:1264
    • 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:3312
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4680
    • C:\Users\Admin\AppData\Local\Temp\2026-04-15_81c0de8cdbbbd5c924170262d84893e2_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-04-15_81c0de8cdbbbd5c924170262d84893e2_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      PID:4632

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX30E2.tmp

        • Path C:\Program Files\7-Zip\RCX30E2.tmp
        • Size 377KB
        • SHA256 290179e7bd2e7910acfb98b8c0c01a3e0e660abc2fa2d938f6ba356258562e95
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-04-15_81c0de8cdbbbd5c924170262d84893e2_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-04-15_81c0de8cdbbbd5c924170262d84893e2_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe
        • Size 20KB
        • SHA256 3f877bd030209e600ab40c090610d1908a6bebbf937b0b7150db4f6e9295af23
        • MD5 SHA1 SHA512 SSDEEP TLSH

        064742314927..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\064742314927..exe
        • Size 268KB
        • SHA256 a7f1ec482233f03892d238d24504f2950d583cf580c39acb9bdcbe928066cef1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        119233432598..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\119233432598..exe
        • Size 9.9MB
        • SHA256 2892c988e54ab035646f9538f7493b0ddfe4541c358de28fb4a02fc32d8bdce0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        167966509441..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\167966509441..exe
        • Size 109KB
        • SHA256 108818ed973cfd2d73c374f6cb461639f39caf52bc28f8b7ceb7eab13d5d7b37
        • MD5 SHA1 SHA512 SSDEEP TLSH

        202369356474.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\202369356474.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        280675665613.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\280675665613.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        295135039879.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\295135039879.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        326340869544.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\326340869544.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        420046237878..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\420046237878..exe
        • Size 3.3MB
        • SHA256 be28b354497c31f2813a97217a3d61e075b03439d4d055c2ce904913de7080be
        • MD5 SHA1 SHA512 SSDEEP TLSH

        480523652721.exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\480523652721.exe
        • Size 4.1MB
        • SHA256 78425e626d0830c35ee05307ad6958055493acebbb8a2548ba3de4af6d6378f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        525791619495.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\525791619495.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        533301753609.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\533301753609.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        619600763431.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\619600763431.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        643077259003.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\643077259003.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        810478165550.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\810478165550.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        856898311674..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\856898311674..exe
        • Size 2.4MB
        • SHA256 de9903082cdf397fc2f6cb24ba226a61b4cc2e402d1ffa99c37f8871be53d1ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        900241144546..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\900241144546..exe
        • Size 574KB
        • SHA256 a4f22b40651e87830c2ac8f40b9c84d94bda6fe3a54641625b600c3ce2d7d8be
        • MD5 SHA1 SHA512 SSDEEP TLSH

        925050154323.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\925050154323.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        967268730892.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\967268730892.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 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 f5b2ff5f789d67c68887a8a60b0d4f7eb4bdb9a3525930b4211898b9f1953f82
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 4KB
        • SHA256 7333e0c489a9e7fc683a60d707fdfd25e97a79183055cbc3027fd77c01463e19
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1264-3841-0x00000000010A0000-0x00000000010AC000-memory.dmp

        memory/1264-1979-0x0000000002890000-0x00000000028A0000-memory.dmp

        memory/1264-5050-0x0000000002890000-0x00000000028A0000-memory.dmp

        memory/1264-15-0x00000000007D0000-0x00000000007E6000-memory.dmp

        memory/4680-1625-0x0000000000A90000-0x0000000000A9C000-memory.dmp