Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/10/2026, 08:52

General

  • Target
    2026-10-23_a82675a581e09537c3bcbe98c1fcbe55_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 428KB
  • Sample261023-ks6fjsxta1
  • SHA256 16b410809c4736c6910f288a55d3b6705956254e1591a597b4ad4274b0d7f202
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects Windows executables referencing non-Windows User-Agents 8 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 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).

  • 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 7 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-23_a82675a581e09537c3bcbe98c1fcbe55_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-23_a82675a581e09537c3bcbe98c1fcbe55_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:468
    • 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:1652
    • 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:4876
      • 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:2760
    • C:\Users\Admin\AppData\Local\Temp\2026-10-23_a82675a581e09537c3bcbe98c1fcbe55_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-10-23_a82675a581e09537c3bcbe98c1fcbe55_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:6064
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3876

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          RdrCEF.exe

          • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
          • Size 9.7MB
          • SHA256 afb061dc17f0a9ab4300cc6c9e3da48303804ec360ff278b55636c1bf76be198
          • MD5 SHA1 SHA512 SSDEEP TLSH

          acrord32.exe

          • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\acrord32.exe
          • Size 2.8MB
          • SHA256 deb11dab95f39eb439193419549ac5fad1371ef05c945cc16ce268621b3548d3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          32BitMAPIBroker.exe

          • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe
          • Size 478KB
          • SHA256 9be26e77784ec42e1e8b878908ec0e4abce400020cdb22a115a881dd45adcd44
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RCXAB3C.tmp

          • Path C:\Program Files\7-Zip\RCXAB3C.tmp
          • Size 377KB
          • SHA256 f5a2203133c91a28f35db4d690ad4f7e01559e2b2f6037b3b58fbd91cdcb1c89
          • MD5 SHA1 SHA512 SSDEEP TLSH

          2026-10-23_a82675a581e09537c3bcbe98c1fcbe55_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm..exe

          • Path C:\Users\Admin\AppData\Local\Temp\2026-10-23_a82675a581e09537c3bcbe98c1fcbe55_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm..exe
          • Size 52KB
          • SHA256 5f4d2a8fbb89ed9ce2c38630bbb1d3f11cec09f871b7ee7a6d6bd1e2ba8c5415
          • MD5 SHA1 SHA512 SSDEEP TLSH

          010357463307.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\010357463307.ico
          • Size 1KB
          • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
          • MD5 SHA1 SHA512 TLSH

          122615263081.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\122615263081.ico
          • Size 1KB
          • SHA256 b15cc5b7b654156b96c718da8c6a5402aa2d7afab332ec98038ce8a6b6efd052
          • MD5 SHA1 SHA512 TLSH

          193407813561.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\193407813561.ico
          • Size 1KB
          • SHA256 5d0ddd51604345a2d39f5008290607d8af6bfd8d17c1f4eb914b8cc0d2953da4
          • MD5 SHA1 SHA512 TLSH

          253695435994.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\253695435994.ico
          • Size 1KB
          • SHA256 18749bf7cbeaf430807c30dca88b7b7514a65e8c5170f1bcabb548f375e493fe
          • MD5 SHA1 SHA512 TLSH

          308355904036.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\308355904036.ico
          • Size 1KB
          • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
          • MD5 SHA1 SHA512 TLSH

          314397459979.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\314397459979.ico
          • Size 1KB
          • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
          • MD5 SHA1 SHA512 TLSH

          369909629639.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\369909629639.ico
          • Size 1KB
          • SHA256 0eecaeef9593a8bdab3aaaf9fdcf9cd4d312fb5c2015b1e12533dbfdfc9e2e58
          • MD5 SHA1 SHA512 TLSH

          383923462759.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\383923462759.ico
          • Size 1KB
          • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
          • MD5 SHA1 SHA512 TLSH

          414857791463.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\414857791463.ico
          • Size 1KB
          • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
          • MD5 SHA1 SHA512 TLSH

          430180717079.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\430180717079.ico
          • Size 1KB
          • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
          • MD5 SHA1 SHA512 TLSH

          546669255429.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\546669255429.ico
          • Size 1KB
          • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
          • MD5 SHA1 SHA512 TLSH

          562681910076.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\562681910076.ico
          • Size 1KB
          • SHA256 99143e3c977916ae0bffcd76fb770cce778f63459bf49ab42b639bb4da8555c6
          • MD5 SHA1 SHA512 TLSH

          619223733956.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\619223733956.ico
          • Size 1KB
          • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
          • MD5 SHA1 SHA512 TLSH

          837865300158.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\837865300158.ico
          • Size 1KB
          • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
          • MD5 SHA1 SHA512 TLSH

          870141460858.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\870141460858.ico
          • Size 1KB
          • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
          • MD5 SHA1 SHA512 TLSH

          872731646295.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\872731646295.ico
          • Size 1KB
          • SHA256 a742238dacdff4363a430dacedb364ff073cd4c1f1799badcc88f3b681d565ca
          • MD5 SHA1 SHA512 TLSH

          899441254127.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\899441254127.ico
          • Size 1KB
          • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
          • MD5 SHA1 SHA512 TLSH

          946738612893.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\946738612893.ico
          • Size 1KB
          • SHA256 c87216c7ca4c6510e0957de46c989ec10827b6b03b4bd518cf81c7ea2a140b8b
          • MD5 SHA1 SHA512 TLSH

          978602863431.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\978602863431.ico
          • Size 1KB
          • SHA256 1c413336445e2b6d1de737844f2a298eb8eed23eb6a0671cefeb15caeb8eaef9
          • MD5 SHA1 SHA512 TLSH

          995202818754.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\995202818754.ico
          • Size 1KB
          • SHA256 9a6584c0e0a8cf98d3d7bd968a9ae54141256e454f1d7dabbc1e59b02be3f016
          • 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 e27bd8430b34b37261d38b2b9e26b860c1fba64496cd3a53cdab41b1a32866ef
          • MD5 SHA1 SHA512 SSDEEP TLSH

          logs.txt

          • Path C:\Users\Admin\Documents\logs.txt
          • Size 3KB
          • SHA256 f938484809025b9ee65dfa3c8d68a08658a5ab0218a8b8d2167ab06ca48a8d65
          • MD5 SHA1 SHA512 TLSH

          logs.txt

          • Path C:\Users\Admin\Documents\logs.txt
          • Size 3KB
          • SHA256 f20f0ea2fabae1ba66d907aa89deeda1728dc9aaa2dbec8c902ce37aead76274
          • MD5 SHA1 SHA512 TLSH

          logs.txt

          • Path C:\Users\Admin\Documents\logs.txt
          • Size 4KB
          • SHA256 22bad45bf0767ed691f8db5cb0dcc12159c539cf740b9cab4963ad5dee63d46a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          logs.txt

          • Path C:\Users\Admin\Documents\logs.txt
          • Size 4KB
          • SHA256 ca022efa263b4840966f4e0af9e6655149fe78fc33fb2f233853dcb113f97c0e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          InitializeApprove.exe

          • Path C:\Users\Admin\Downloads\InitializeApprove.exe
          • Size 918KB
          • SHA256 db36a4fed0e56c1500ba5db6870e3b158c5d39d0c8940ba7812775fec4028d8b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1652-370-0x00007FFED5C80000-0x00007FFED6624000-memory.dmp

          memory/1652-13-0x00007FFED5C80000-0x00007FFED6624000-memory.dmp

          memory/1652-11-0x00007FFED5E0F000-0x00007FFED5E10000-memory.dmp

          memory/1652-10-0x0000000000090000-0x00000000000A6000-memory.dmp

          memory/2760-339-0x00007FFED5C80000-0x00007FFED6624000-memory.dmp

          memory/2760-129-0x00007FFED5C80000-0x00007FFED6624000-memory.dmp