Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/09/2026, 10:43

General

  • Target
    2026-09-21_b26891f69aae3051aa195118de0efb38_agent-tesla_amadey_cloudeye_cobalt-strike_elex_hijackloa.exe
  • Size 11.1MB
  • Sample260922-msbx2stfmd
  • SHA256 4d3faf992727833c4781d7b20e38a922317c5f9871563e5c13c09bf2072495f4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • AutoIT Executable 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 22 IoCs
  • Drops file in Program Files directory 22 IoCs
  • Drops file in Windows 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 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-21_b26891f69aae3051aa195118de0efb38_agent-tesla_amadey_cloudeye_cobalt-strike_elex_hijackloa.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-21_b26891f69aae3051aa195118de0efb38_agent-tesla_amadey_cloudeye_cobalt-strike_elex_hijackloa.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4064
    • C:\Windows\SysWOW64\msmsgrs.exe
      "C:\Windows\SysWOW64\msmsgrs.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3940
  • C:\Windows\explorer.exe
    Explorer.exe msmsgrs.exe
    1⤵
      PID:1420
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:5412

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          setup.exe

          • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe
          • Size 17.1MB
          • SHA256 5a6e2167b6dd9b21f6b2b742b11992f87c8e5c34d55a4756161952f42503faed
          • MD5 SHA1 SHA512 SSDEEP TLSH

          xcrqrfu

          • Path C:\Users\Admin\AppData\Local\Temp\xcrqrfu
          • Size 22KB
          • SHA256 8424e23b2d98476d141b375b715dead8f9792166379cb001355db32d152fc185
          • MD5 SHA1 SHA512 SSDEEP TLSH

          history.log

          • Path C:\Windows\SysWOW64\history.log
          • Size 4KB
          • SHA256 b365d569e78f47b7a9b5c9451ea3f12a144f158849d9b13434eac033e2f9e1a3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          history.log

          • Path C:\Windows\SysWOW64\history.log
          • Size 231B
          • SHA256 ebfcad1a226fc529caa5920b47c8e051b1b64386bbe477c78186cdf18713fb3f
          • MD5 SHA1 SHA512 TLSH

          memory/4064-0-0x0000000000400000-0x00000000004AF000-memory.dmp

          memory/4064-8-0x0000000000400000-0x00000000004AF000-memory.dmp