Analysis

  • max time kernel
    148s
  • max time network
    131s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 05:03

General

  • Target
    2026-09-29_177b933217361f1216fc03957294d1e4_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 396KB
  • Sample260930-fpndcavsey
  • SHA256 c13beb927b4b5fbdad1b886d79b5a279f7130d337d39dcb20b60d0bedeb9b59f
  • 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
  • Modifies registry class 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-29_177b933217361f1216fc03957294d1e4_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-29_177b933217361f1216fc03957294d1e4_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2108
    • 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:1312
    • 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:4104
      • 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:4176
    • C:\Users\Admin\AppData\Local\Temp\2026-09-29_177b933217361f1216fc03957294d1e4_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-09-29_177b933217361f1216fc03957294d1e4_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      PID:800

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCX19EA.tmp

        • Path C:\Program Files\7-Zip\RCX19EA.tmp
        • Size 377KB
        • SHA256 418e540fd2305963500a4d2316bad92341dff7977a2f9655f50cb2d16d9ce581
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-09-29_177b933217361f1216fc03957294d1e4_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm..exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-09-29_177b933217361f1216fc03957294d1e4_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm..exe
        • Size 20KB
        • SHA256 d01d604c900e7b3049857fe1c771eb2acc4a4126382e764cb5c2104ffff76240
        • MD5 SHA1 SHA512 SSDEEP TLSH

        082561392449.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\082561392449.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        088620146801.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\088620146801.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        169897817945.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\169897817945.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        296144112585.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\296144112585.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        464763067634.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\464763067634.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 TLSH

        476682880237.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\476682880237.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        493140140957.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\493140140957.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        499801558116.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\499801558116.ico
        • Size 1KB
        • SHA256 b15cc5b7b654156b96c718da8c6a5402aa2d7afab332ec98038ce8a6b6efd052
        • MD5 SHA1 SHA512 TLSH

        542567858582.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\542567858582.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        544982921232.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\544982921232.ico
        • Size 1KB
        • SHA256 99143e3c977916ae0bffcd76fb770cce778f63459bf49ab42b639bb4da8555c6
        • MD5 SHA1 SHA512 TLSH

        730781707950.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\730781707950.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        774021422490.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\774021422490.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        833447693011.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\833447693011.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        audiodg.exe

        • Path C:\Users\Admin\Documents\diagnostics\audiodg.exe
        • Size 62KB
        • SHA256 b152811df5aac79a3cfdf5ea04e3d66705cd70852e80a335a40f9ba1d2bcb6ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        shost.exe

        • Path C:\Users\Admin\Documents\diagnostics\shost.exe
        • Size 375KB
        • SHA256 029164071d8123024a62422bad6354f7b961f9577255bcbc280dcfc88c46947c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.txt

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

        memory/1312-10-0x00000000005B0000-0x00000000005C6000-memory.dmp

        memory/1312-15-0x00007FFD5E6C0000-0x00007FFD5F064000-memory.dmp

        memory/1312-306-0x00007FFD5E6C0000-0x00007FFD5F064000-memory.dmp

        memory/1312-11-0x00007FFD5E84F000-0x00007FFD5E850000-memory.dmp

        memory/4176-316-0x00007FFD5E6C0000-0x00007FFD5F064000-memory.dmp

        memory/4176-136-0x00007FFD5E6C0000-0x00007FFD5F064000-memory.dmp