Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 04:49

General

  • Target
    2026-08-04_f8bee8612c46098ece46a78894ed2636_cobalt-strike_glassworm_hijackloader_icedid_njrat_ryuk_s.exe
  • Size 1.1MB
  • Sample260804-ffw9wsfr4v
  • SHA256 e9ce58170b05ca8704cbfdf088eb8d9bb56f6b362a6934b04a5014d696b099b6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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\2026-08-04_f8bee8612c46098ece46a78894ed2636_cobalt-strike_glassworm_hijackloader_icedid_njrat_ryuk_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_f8bee8612c46098ece46a78894ed2636_cobalt-strike_glassworm_hijackloader_icedid_njrat_ryuk_s.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4172
    • C:\Users\Admin\Documents\diagnostics\audiodg.exe
      "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
      2⤵
      • Executes dropped EXE
      PID:5692
    • 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:2516
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        PID:4432
    • C:\Users\Admin\AppData\Local\Temp\2026-08-04_f8bee8612c46098ece46a78894ed2636_cobalt-strike_glassworm_hijackloader_icedid_njrat_ryuk_s..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-08-04_f8bee8612c46098ece46a78894ed2636_cobalt-strike_glassworm_hijackloader_icedid_njrat_ryuk_s..exe"
      2⤵
      • Executes dropped EXE
      PID:3940

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCX4F71.tmp

        • Path C:\Program Files\7-Zip\RCX4F71.tmp
        • Size 377KB
        • SHA256 72a190731e66fe1e95363af4974353e05b15be2f9911c5d90d1ce2649fc96aad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-08-04_f8bee8612c46098ece46a78894ed2636_cobalt-strike_glassworm_hijackloader_icedid_njrat_ryuk_s..exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-04_f8bee8612c46098ece46a78894ed2636_cobalt-strike_glassworm_hijackloader_icedid_njrat_ryuk_s..exe
        • Size 752KB
        • SHA256 853f42993aa1f11d04fc04cad6fe69ed18519915cf8b262e7db4f8d60bebec50
        • MD5 SHA1 SHA512 SSDEEP TLSH

        029629433197.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\029629433197.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        039468077899.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\039468077899.ico
        • Size 1KB
        • SHA256 b15cc5b7b654156b96c718da8c6a5402aa2d7afab332ec98038ce8a6b6efd052
        • MD5 SHA1 SHA512 TLSH

        041460578080.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\041460578080.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        112954664987.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\112954664987.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        185950537077.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\185950537077.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        305006766870.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\305006766870.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        384360804457.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\384360804457.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        441219099847.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\441219099847.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        549229164669.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\549229164669.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        748253385449.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\748253385449.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        900797698644.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\900797698644.ico
        • Size 1KB
        • SHA256 99143e3c977916ae0bffcd76fb770cce778f63459bf49ab42b639bb4da8555c6
        • MD5 SHA1 SHA512 TLSH

        957150072107.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\957150072107.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        967077261241.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\967077261241.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 TLSH

        audiodg.exe

        • Path C:\Users\Admin\Documents\diagnostics\audiodg.exe
        • Size 62KB
        • SHA256 b5265ebf73fedc1d0333fd4f72c7021eef1cd8b948b4e41969cdb2a3ef6bd35d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        shost.exe

        • Path C:\Users\Admin\Documents\diagnostics\shost.exe
        • Size 375KB
        • SHA256 31b75d348274e4cfd2793c52d52945e40b2b5ee6d7a6965553fadcf062865f39
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 4KB
        • SHA256 9f10e88e603f75057b3b8fb17f5a4a5311fd2c3ef46d85a51d74f9d8a46030b2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4432-325-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

        memory/4432-128-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

        memory/5692-329-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp

        memory/5692-11-0x00007FF83E9BF000-0x00007FF83E9C0000-memory.dmp

        memory/5692-10-0x0000000000440000-0x0000000000456000-memory.dmp

        memory/5692-15-0x00007FF83E830000-0x00007FF83F1D4000-memory.dmp