Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/09/2026, 21:15

General

  • Target
    rust-bot.exe
  • Size 5.0MB
  • Sample260916-z4cd6sec89
  • SHA256 b74531a8016f391896b8fce0c999974f94fe1675ca7faa5760e19ac19dfad29f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 14 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rust-bot.exe
    "C:\Users\Admin\AppData\Local\Temp\rust-bot.exe"
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:6020
    • C:\Windows\system32\cmd.exe
      "cmd" /S /C "reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v lsasshost /t REG_SZ /d \"C:\Users\Admin\AppData\Roaming\lsasshost.exe\" /f"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4240
      • C:\Windows\system32\reg.exe
        reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v lsasshost /t REG_SZ /d \"C:\Users\Admin\AppData\Roaming\lsasshost.exe\" /f
        3⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:4324
  • C:\Users\Admin\AppData\Roaming\lsasshost.exe
    "C:\Users\Admin\AppData\Roaming\lsasshost.exe"
    1⤵
    • Executes dropped EXE
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Windows\system32\diskpart.exe
      "diskpart" /s "select disk 0 clean"
      2⤵
        PID:4688
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:4892
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:5028

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            .syslock

            • Path C:\Users\Admin\AppData\Roaming\.syslock
            • Size 1B
            • SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
            • MD5 SHA1 SHA512

            lsasshost.exe

            • Path C:\Users\Admin\AppData\Roaming\lsasshost.exe
            • Size 5.0MB
            • SHA256 b74531a8016f391896b8fce0c999974f94fe1675ca7faa5760e19ac19dfad29f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1172-2314-0x00007FF65ADD0000-0x00007FF65C117000-memory.dmp

            memory/1172-2312-0x00007FF65ADD0000-0x00007FF65C117000-memory.dmp

            memory/1172-2308-0x00007FF65ADD0000-0x00007FF65C117000-memory.dmp

            memory/6020-4-0x00007FF6D99C0000-0x00007FF6DAD07000-memory.dmp

            memory/6020-12-0x00007FF6D99C0000-0x00007FF6DAD07000-memory.dmp

            memory/6020-16-0x00007FF6D99C0000-0x00007FF6DAD07000-memory.dmp

            memory/6020-7-0x00007FF6D99C0000-0x00007FF6DAD07000-memory.dmp

            memory/6020-6-0x00007FF6D99C0000-0x00007FF6DAD07000-memory.dmp

            memory/6020-0-0x00007FF6D99C0000-0x00007FF6DAD07000-memory.dmp

            memory/6020-2310-0x00007FF6D99C0000-0x00007FF6DAD07000-memory.dmp

            memory/6020-3-0x00007FF6D99C0000-0x00007FF6DAD07000-memory.dmp

            memory/6020-2313-0x00007FF6D99C0000-0x00007FF6DAD07000-memory.dmp

            memory/6020-2-0x00007FF6D99C0000-0x00007FF6DAD07000-memory.dmp