Analysis

  • max time kernel
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/10/2026, 14:10

General

  • Target
    2026-09-30_567491ab5a788abc1a39c834ffa1fa28_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 670KB
  • Sample261001-rgrxcadf52
  • SHA256 424ddde0a0d88787662729a5cba681cc29b48cb8cc260b2ffab5c37422eb21ca
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-30_567491ab5a788abc1a39c834ffa1fa28_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-30_567491ab5a788abc1a39c834ffa1fa28_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4188
    • 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:3216
    • 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:4488
      • 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:5812
    • C:\Users\Admin\AppData\Local\Temp\2026-09-30_567491ab5a788abc1a39c834ffa1fa28_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-09-30_567491ab5a788abc1a39c834ffa1fa28_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3556
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3556 -s 440
        3⤵
        • Program crash
        PID:5420
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 228 -p 3556 -ip 3556
    1⤵
      PID:5312

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          RCX7038.tmp

          • Path C:\Program Files\7-Zip\RCX7038.tmp
          • Size 377KB
          • SHA256 7f8bd09cf7b68b261be63e62b2fe6b2c78cede8f5245198608c85b6628aa3f7a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          2026-09-30_567491ab5a788abc1a39c834ffa1fa28_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe

          • Path C:\Users\Admin\AppData\Local\Temp\2026-09-30_567491ab5a788abc1a39c834ffa1fa28_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe
          • Size 294KB
          • SHA256 f1c1777f103fc8e2f0ff6e4b299a7898a54628a602763eba6ed8faca7f511cbb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          035161719616.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\035161719616.ico
          • Size 1KB
          • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
          • MD5 SHA1 SHA512 TLSH

          144277936657.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\144277936657.ico
          • Size 1KB
          • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
          • MD5 SHA1 SHA512 TLSH

          180675793544.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\180675793544.ico
          • Size 1KB
          • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
          • MD5 SHA1 SHA512 TLSH

          196981930832.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\196981930832.ico
          • Size 1KB
          • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
          • MD5 SHA1 SHA512 TLSH

          229039129066.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\229039129066.ico
          • Size 1KB
          • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
          • MD5 SHA1 SHA512 TLSH

          267963375460.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\267963375460.ico
          • Size 1KB
          • SHA256 b15cc5b7b654156b96c718da8c6a5402aa2d7afab332ec98038ce8a6b6efd052
          • MD5 SHA1 SHA512 TLSH

          360125112325.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\360125112325.ico
          • Size 1KB
          • SHA256 99143e3c977916ae0bffcd76fb770cce778f63459bf49ab42b639bb4da8555c6
          • MD5 SHA1 SHA512 TLSH

          418371102962.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\418371102962.ico
          • Size 1KB
          • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
          • MD5 SHA1 SHA512 TLSH

          436557764903.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\436557764903.ico
          • Size 1KB
          • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
          • MD5 SHA1 SHA512 TLSH

          514959183314.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\514959183314.ico
          • Size 1KB
          • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
          • MD5 SHA1 SHA512 TLSH

          578293963001.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\578293963001.ico
          • Size 1KB
          • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
          • MD5 SHA1 SHA512 TLSH

          973877111049.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\973877111049.ico
          • Size 1KB
          • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
          • MD5 SHA1 SHA512 TLSH

          998066109535.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\998066109535.ico
          • Size 1KB
          • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
          • 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 f16aa7a21ccf4a21606254eff99f358e2387bbfffaa9fe9ccd2be240751d78ab
          • MD5 SHA1 SHA512 SSDEEP TLSH

          logs.txt

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

          memory/3216-19-0x00007FFC67110000-0x00007FFC67AB4000-memory.dmp

          memory/3216-14-0x0000000000140000-0x0000000000156000-memory.dmp

          memory/3216-246-0x00007FFC67110000-0x00007FFC67AB4000-memory.dmp

          memory/3216-15-0x00007FFC67110000-0x00007FFC67AB4000-memory.dmp

          memory/3216-10-0x00007FFC6729F000-0x00007FFC672A0000-memory.dmp

          memory/5812-245-0x00007FFC67110000-0x00007FFC67AB4000-memory.dmp

          memory/5812-130-0x00007FFC67110000-0x00007FFC67AB4000-memory.dmp