Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 09:45

General

  • Target
    b0e94f6295e469e77f16759ad1a117e4f5c120455032f375b38660f050bbf9ca.exe
  • Size 627KB
  • Sample260629-lre3mscs4p
  • SHA256 b0e94f6295e469e77f16759ad1a117e4f5c120455032f375b38660f050bbf9ca
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.holzbrenzii.com

  • Port

    21

  • Password

    boygirl123456

Signatures

  • Family: AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Loads dropped DLL 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 1 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0e94f6295e469e77f16759ad1a117e4f5c120455032f375b38660f050bbf9ca.exe
    "C:\Users\Admin\AppData\Local\Temp\b0e94f6295e469e77f16759ad1a117e4f5c120455032f375b38660f050bbf9ca.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2476
    • C:\Users\Admin\AppData\Local\Temp\b0e94f6295e469e77f16759ad1a117e4f5c120455032f375b38660f050bbf9ca.exe
      "C:\Users\Admin\AppData\Local\Temp\b0e94f6295e469e77f16759ad1a117e4f5c120455032f375b38660f050bbf9ca.exe"
      2⤵
        PID:5432
      • C:\Users\Admin\AppData\Local\Temp\b0e94f6295e469e77f16759ad1a117e4f5c120455032f375b38660f050bbf9ca.exe
        "C:\Users\Admin\AppData\Local\Temp\b0e94f6295e469e77f16759ad1a117e4f5c120455032f375b38660f050bbf9ca.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        PID:4596
        • C:\Users\Admin\AppData\Local\Temp\b0e94f6295e469e77f16759ad1a117e4f5c120455032f375b38660f050bbf9ca.exe
          "C:\Users\Admin\AppData\Local\Temp\b0e94f6295e469e77f16759ad1a117e4f5c120455032f375b38660f050bbf9ca.exe"
          3⤵
            PID:5652

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsuCD69.tmp\System.dll
            • Size 12KB
            • SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2476-13-0x0000000073A75000-0x0000000073A76000-memory.dmp

            memory/4596-14-0x000000007726F000-0x0000000077270000-memory.dmp

            memory/4596-15-0x000000007722D000-0x000000007722E000-memory.dmp

            memory/4596-16-0x00000000772F5000-0x00000000772F6000-memory.dmp

            memory/4596-18-0x00000000771C1000-0x00000000772EF000-memory.dmp

            memory/4596-17-0x0000000000830000-0x0000000001B16000-memory.dmp

            memory/4596-19-0x0000000071FD2000-0x0000000071FD3000-memory.dmp

            memory/4596-20-0x0000000000830000-0x0000000000872000-memory.dmp

            memory/4596-21-0x000000003A010000-0x000000003A5CA000-memory.dmp

            memory/4596-22-0x0000000071FC0000-0x000000007277C000-memory.dmp

            memory/4596-23-0x0000000037D60000-0x0000000037DC6000-memory.dmp

            memory/4596-25-0x000000003B030000-0x000000003B080000-memory.dmp

            memory/4596-26-0x000000003B080000-0x000000003B112000-memory.dmp

            memory/4596-27-0x000000003B150000-0x000000003B15A000-memory.dmp

            memory/4596-28-0x00000000772F5000-0x00000000772F6000-memory.dmp

            memory/4596-29-0x0000000071FD2000-0x0000000071FD3000-memory.dmp

            memory/4596-30-0x0000000071FC0000-0x000000007277C000-memory.dmp