Analysis

  • max time kernel
    16s
  • max time network
    20s
  • 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, 09:46

Errors

Reason
Machine shutdown

General

  • Target
    2026-08-03_c85f7e54fdea2638bbfb58112737a9ca_cloudeye_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 842KB
  • Sample260804-lr3hyacl5t
  • SHA256 9cd123b595e7da54d0e0dbe2391785ce067cdd11442ab7792c6805eaca74de24
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects Windows executables referencing non-Windows User-Agents 4 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 7 IoCs
  • Modifies system executable filetype association 2 TTPs 6 IoCs
  • Enumerates connected drives 3 TTPs 2 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 3 IoCs

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

  • NSIS installer 2 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies data under HKEY_USERS 4 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_c85f7e54fdea2638bbfb58112737a9ca_cloudeye_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_c85f7e54fdea2638bbfb58112737a9ca_cloudeye_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5920
    • C:\Users\Admin\Documents\diagnostics\audiodg.exe
      "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
      2⤵
      • Executes dropped EXE
      PID:4364
    • 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:4584
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        PID:5776
    • C:\Users\Admin\AppData\Local\Temp\2026-08-03_c85f7e54fdea2638bbfb58112737a9ca_cloudeye_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-08-03_c85f7e54fdea2638bbfb58112737a9ca_cloudeye_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:944
      • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
        "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1456
        • C:\Windows\SysWOW64\taskkill.exe
          "C:\Windows\system32\taskkill.exe" /im loopBeAudio.exe /f /t
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:5172
        • C:\Users\Admin\AppData\Local\Temp\nsk500C.tmp\drvinst.exe
          "C:\Users\Admin\AppData\Local\Temp\nsk500C.tmp\drvinst.exe" "C:\Users\Admin\AppData\Local\Temp\nsk500C.tmp\loopBeAu.inf" *LoopBeAu uninstall
          4⤵
          • Executes dropped EXE
          PID:4548
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa3a2c855 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    PID:3456
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k CameraMonitor
    1⤵
      PID:3432

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          RCX4ABE.tmp

          • Path C:\Program Files\7-Zip\RCX4ABE.tmp
          • Size 377KB
          • SHA256 4894a51c53b29a222c641d16b482e839ba61836fb2301d78958be4be8390aaa5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          2026-08-03_c85f7e54fdea2638bbfb58112737a9ca_cloudeye_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe

          • Path C:\Users\Admin\AppData\Local\Temp\2026-08-03_c85f7e54fdea2638bbfb58112737a9ca_cloudeye_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm..exe
          • Size 466KB
          • SHA256 438f0f7d5e8b7fabe1bfa8ff2e072965ec1f444cf91c85390fb9d49e1b1834b0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          123720943609.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\123720943609.ico
          • Size 1KB
          • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
          • MD5 SHA1 SHA512 TLSH

          196758250036.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\196758250036.ico
          • Size 1KB
          • SHA256 99143e3c977916ae0bffcd76fb770cce778f63459bf49ab42b639bb4da8555c6
          • MD5 SHA1 SHA512 TLSH

          244208372304.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\244208372304.ico
          • Size 1KB
          • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
          • MD5 SHA1 SHA512 TLSH

          418823061555.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\418823061555.ico
          • Size 1KB
          • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
          • MD5 SHA1 SHA512 TLSH

          693944429844.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\693944429844.ico
          • Size 1KB
          • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
          • MD5 SHA1 SHA512 TLSH

          923635415481.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\923635415481.ico
          • Size 1KB
          • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
          • MD5 SHA1 SHA512 TLSH

          InstallOptions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsk500C.tmp\InstallOptions.dll
          • Size 14KB
          • SHA256 c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsk500C.tmp\System.dll
          • Size 11KB
          • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          drvinst.exe

          • Path C:\Users\Admin\AppData\Local\Temp\nsk500C.tmp\drvinst.exe
          • Size 209KB
          • SHA256 9f8e20e94add395570dc2178d755e131ce47dff7f7dab2a899e7f06609fec847
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ioSpecial.ini

          • Path C:\Users\Admin\AppData\Local\Temp\nsk500C.tmp\ioSpecial.ini
          • Size 700B
          • SHA256 3388aa3f52e9a3e00d525127e2341875a4a7cf1f4df4f742fb50ab1acfec6e4a
          • MD5 SHA1 SHA512 TLSH

          ioSpecial.ini

          • Path C:\Users\Admin\AppData\Local\Temp\nsk500C.tmp\ioSpecial.ini
          • Size 878B
          • SHA256 d9f006cf257bd19d1616820f3859a2a025fc919788eff994860bfb87b39cfa56
          • MD5 SHA1 SHA512 TLSH

          ioSpecial.ini

          • Path C:\Users\Admin\AppData\Local\Temp\nsk500C.tmp\ioSpecial.ini
          • Size 739B
          • SHA256 93ac1760aaa2f2fe5e1810c804463ede08c1c012885796351899facc9f3a0c3e
          • MD5 SHA1 SHA512 TLSH

          nsExec.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsk500C.tmp\nsExec.dll
          • Size 6KB
          • SHA256 168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          audiodg.exe

          • Path C:\Users\Admin\Documents\diagnostics\audiodg.exe
          • Size 62KB
          • SHA256 e59adaa13fdbaa2c529e536fc46c13a7287d6507be398cb36705907513dc6420
          • MD5 SHA1 SHA512 SSDEEP TLSH

          shost.exe

          • Path C:\Users\Admin\Documents\diagnostics\shost.exe
          • Size 375KB
          • SHA256 6e5cd9cf3d24743235fbfeb1e2975cfb880b337e7310643d1870403bfd4bacc6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          logs.txt

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

          memory/4364-336-0x00007FFD1D700000-0x00007FFD1E0A4000-memory.dmp

          memory/4364-77-0x00007FFD1D700000-0x00007FFD1E0A4000-memory.dmp

          memory/4364-51-0x00007FFD1D700000-0x00007FFD1E0A4000-memory.dmp

          memory/4364-13-0x00007FFD1D88F000-0x00007FFD1D890000-memory.dmp

          memory/5776-155-0x00007FFD1D700000-0x00007FFD1E0A4000-memory.dmp

          memory/5776-137-0x00007FFD1D700000-0x00007FFD1E0A4000-memory.dmp

          memory/5776-17-0x0000000000260000-0x0000000000276000-memory.dmp