Analysis

  • max time kernel
    148s
  • max time network
    131s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/08/2026, 22:10

General

  • Target
    2026-08-17_5ec0f21733a1448c0fa2a348f33de038_cobalt-strike_glassworm_hijackloader_icedid_njrat_ryuk_s.exe
  • Size 617KB
  • Sample260817-13ecta1ajf
  • SHA256 fcbc7fac04884e408a47f7ab0f3691e8525629a6aad9a120729ba70856eab1a5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

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 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\2026-08-17_5ec0f21733a1448c0fa2a348f33de038_cobalt-strike_glassworm_hijackloader_icedid_njrat_ryuk_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-17_5ec0f21733a1448c0fa2a348f33de038_cobalt-strike_glassworm_hijackloader_icedid_njrat_ryuk_s.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4300
    • C:\Users\Admin\Documents\diagnostics\audiodg.exe
      "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
      2⤵
      • Executes dropped EXE
      PID:2612
    • 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:3884
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        PID:4008
    • C:\Users\Admin\AppData\Local\Temp\2026-08-17_5ec0f21733a1448c0fa2a348f33de038_cobalt-strike_glassworm_hijackloader_icedid_njrat_ryuk_s..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-08-17_5ec0f21733a1448c0fa2a348f33de038_cobalt-strike_glassworm_hijackloader_icedid_njrat_ryuk_s..exe"
      2⤵
      • Executes dropped EXE
      PID:252

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCXB88B.tmp

        • Path C:\Program Files\7-Zip\RCXB88B.tmp
        • Size 377KB
        • SHA256 3b156291d5d557e71b0b09ad16d03bbdda1384bf1f4c63053ded2e27d50cdfc5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-08-17_5ec0f21733a1448c0fa2a348f33de038_cobalt-strike_glassworm_hijackloader_icedid_njrat_ryuk_s..exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-17_5ec0f21733a1448c0fa2a348f33de038_cobalt-strike_glassworm_hijackloader_icedid_njrat_ryuk_s..exe
        • Size 241KB
        • SHA256 f475543b557bc06efd97cc8fa728de4dccb250bcdd36e74df6511128ab9f439d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        062619020139.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\062619020139.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        071678866178.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\071678866178.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        304103872592.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\304103872592.ico
        • Size 1KB
        • SHA256 99143e3c977916ae0bffcd76fb770cce778f63459bf49ab42b639bb4da8555c6
        • MD5 SHA1 SHA512 TLSH

        343473547872.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\343473547872.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        395951785496.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\395951785496.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        537446187740.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\537446187740.ico
        • Size 1KB
        • SHA256 b15cc5b7b654156b96c718da8c6a5402aa2d7afab332ec98038ce8a6b6efd052
        • MD5 SHA1 SHA512 TLSH

        543049954980.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\543049954980.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        587098622895.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\587098622895.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        754495908899.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\754495908899.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 TLSH

        758607847068.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\758607847068.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        813129935957.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\813129935957.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        864478289388.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\864478289388.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        867275621547.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\867275621547.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        audiodg.exe

        • Path C:\Users\Admin\Documents\diagnostics\audiodg.exe
        • Size 62KB
        • SHA256 4fb072cd5e2bc7a1e8ffe3f12ee9a77b48bbf747e188ef21bd4b512342fe7611
        • MD5 SHA1 SHA512 SSDEEP TLSH

        shost.exe

        • Path C:\Users\Admin\Documents\diagnostics\shost.exe
        • Size 375KB
        • SHA256 9031ae233cfacf96d44dcf1c9a49efa2d15bf90a19b91b84647bc9543f175a13
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.txt

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

        memory/2612-278-0x00007FFB52720000-0x00007FFB530C4000-memory.dmp

        memory/2612-74-0x00007FFB52720000-0x00007FFB530C4000-memory.dmp

        memory/2612-36-0x00007FFB52720000-0x00007FFB530C4000-memory.dmp

        memory/2612-21-0x0000000000E00000-0x0000000000E16000-memory.dmp

        memory/2612-10-0x00007FFB528AF000-0x00007FFB528B0000-memory.dmp