Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/10/2026, 04:37

General

  • Target
    2026-10-26_e172ac3aff1405d23c4a828f0cdc827c_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 423KB
  • Sample261027-e87ewsav9w
  • SHA256 0e0067a1e633131e0f4c89bb6131b1638bd59d401034f10bd960c8dfe8cce10c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects Windows executables referencing non-Windows User-Agents 7 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
  • 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\2026-10-26_e172ac3aff1405d23c4a828f0cdc827c_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-26_e172ac3aff1405d23c4a828f0cdc827c_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5788
    • 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:5140
    • 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:3400
      • 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:3520
    • C:\Users\Admin\AppData\Local\Temp\2026-10-26_e172ac3aff1405d23c4a828f0cdc827c_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-10-26_e172ac3aff1405d23c4a828f0cdc827c_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2832

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCX4A8E.tmp

        • Path C:\Program Files\7-Zip\RCX4A8E.tmp
        • Size 377KB
        • SHA256 6b80a5c1a3840e3fb3b45bc314a3475fdcb823fa00104f936482aab18b6f9ca2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-10-26_e172ac3aff1405d23c4a828f0cdc827c_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm..exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-10-26_e172ac3aff1405d23c4a828f0cdc827c_cobalt-strike_icedid_ryuk_satacom_stealc_vidar_xworm..exe
        • Size 47KB
        • SHA256 3ebecd0aff2662c2c3bc4dd2718b10286967ad7166880b9cd65012081abf8cd2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        021129190874.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\021129190874.ico
        • Size 1KB
        • SHA256 99143e3c977916ae0bffcd76fb770cce778f63459bf49ab42b639bb4da8555c6
        • MD5 SHA1 SHA512 TLSH

        022283213315.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\022283213315.ico
        • Size 1KB
        • SHA256 9a6584c0e0a8cf98d3d7bd968a9ae54141256e454f1d7dabbc1e59b02be3f016
        • MD5 SHA1 SHA512 TLSH

        076124545548.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\076124545548.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        091924931371.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\091924931371.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        127678891864.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\127678891864.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 TLSH

        149311258913.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\149311258913.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        261358272927.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\261358272927.ico
        • Size 1KB
        • SHA256 1c413336445e2b6d1de737844f2a298eb8eed23eb6a0671cefeb15caeb8eaef9
        • MD5 SHA1 SHA512 TLSH

        342393255260.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\342393255260.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        375149315409.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\375149315409.ico
        • Size 1KB
        • SHA256 18749bf7cbeaf430807c30dca88b7b7514a65e8c5170f1bcabb548f375e493fe
        • MD5 SHA1 SHA512 TLSH

        377975869724.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\377975869724.ico
        • Size 1KB
        • SHA256 0eecaeef9593a8bdab3aaaf9fdcf9cd4d312fb5c2015b1e12533dbfdfc9e2e58
        • MD5 SHA1 SHA512 TLSH

        436054085298.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\436054085298.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        477818198126.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\477818198126.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        493623647756.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\493623647756.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        577449925262.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\577449925262.ico
        • Size 1KB
        • SHA256 5d0ddd51604345a2d39f5008290607d8af6bfd8d17c1f4eb914b8cc0d2953da4
        • MD5 SHA1 SHA512 TLSH

        665565060942.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\665565060942.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        713177681507.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\713177681507.ico
        • Size 1KB
        • SHA256 a742238dacdff4363a430dacedb364ff073cd4c1f1799badcc88f3b681d565ca
        • MD5 SHA1 SHA512 TLSH

        818886901856.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\818886901856.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        881334062444.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\881334062444.ico
        • Size 1KB
        • SHA256 c87216c7ca4c6510e0957de46c989ec10827b6b03b4bd518cf81c7ea2a140b8b
        • MD5 SHA1 SHA512 TLSH

        923005811315.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\923005811315.ico
        • Size 1KB
        • SHA256 b15cc5b7b654156b96c718da8c6a5402aa2d7afab332ec98038ce8a6b6efd052
        • MD5 SHA1 SHA512 TLSH

        961470795674.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\961470795674.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • 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 fe61a6cdf1e346bd4abc6a4fd7ffd56b58a12fe22e6c9f1a216565529db9cf43
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 2KB
        • SHA256 40423abe5f53ee92b266934f2f19250d1d9daac6f270680ae1d44ddad0a94a1b
        • MD5 SHA1 SHA512 TLSH

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 4KB
        • SHA256 24e291c1a0b0a3ff6089a1cd4269f11c758c543fda2e5e98f81748e30282c600
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ExportLock.exe

        • Path C:\Users\Admin\Downloads\ExportLock.exe
        • Size 770KB
        • SHA256 c6150cf34a05db4ffe721481e67a5d45b73540f3a0d55dc8118ba7b1f4857dc8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ExportLock.exe

        • Path C:\Users\Admin\Downloads\ExportLock.exe
        • Size 770KB
        • SHA256 c6150cf34a05db4ffe721481e67a5d45b73540f3a0d55dc8118ba7b1f4857dc8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ExportLock.exe

        • Path C:\Users\Admin\Downloads\ExportLock.exe
        • Size 375KB
        • SHA256 fe61a6cdf1e346bd4abc6a4fd7ffd56b58a12fe22e6c9f1a216565529db9cf43
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5140-256-0x00007FFDEEC40000-0x00007FFDEF5E4000-memory.dmp

        memory/5140-10-0x00007FFDEEDCF000-0x00007FFDEEDD0000-memory.dmp

        memory/5140-11-0x0000000000750000-0x0000000000766000-memory.dmp

        memory/5140-20-0x00007FFDEEC40000-0x00007FFDEF5E4000-memory.dmp