Analysis

  • max time kernel
    148s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 16:49

General

  • Target
    b0e94f6295e469e77f16759ad1a117e4f5c120455032f375b38660f050bbf9ca.exe
  • Size 627KB
  • Sample260629-vb7bmabx6m
  • 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:1844
    • C:\Users\Admin\AppData\Local\Temp\b0e94f6295e469e77f16759ad1a117e4f5c120455032f375b38660f050bbf9ca.exe
      "C:\Users\Admin\AppData\Local\Temp\b0e94f6295e469e77f16759ad1a117e4f5c120455032f375b38660f050bbf9ca.exe"
      2⤵
        PID:3732
      • 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:6740
        • C:\Users\Admin\AppData\Local\Temp\b0e94f6295e469e77f16759ad1a117e4f5c120455032f375b38660f050bbf9ca.exe
          "C:\Users\Admin\AppData\Local\Temp\b0e94f6295e469e77f16759ad1a117e4f5c120455032f375b38660f050bbf9ca.exe"
          3⤵
            PID:6452

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsb2D12.tmp\System.dll
            • Size 12KB
            • SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1844-13-0x0000000073A55000-0x0000000073A56000-memory.dmp

            memory/6740-14-0x000000007724F000-0x0000000077250000-memory.dmp

            memory/6740-15-0x000000007720D000-0x000000007720E000-memory.dmp

            memory/6740-16-0x00000000772D5000-0x00000000772D6000-memory.dmp

            memory/6740-18-0x00000000771A1000-0x00000000772CF000-memory.dmp

            memory/6740-17-0x0000000000830000-0x0000000001B16000-memory.dmp

            memory/6740-19-0x0000000071FB2000-0x0000000071FB3000-memory.dmp

            memory/6740-20-0x0000000000830000-0x0000000000872000-memory.dmp

            memory/6740-21-0x000000003A0E0000-0x000000003A69A000-memory.dmp

            memory/6740-22-0x0000000039FB0000-0x000000003A016000-memory.dmp

            memory/6740-23-0x0000000071FA0000-0x000000007275C000-memory.dmp

            memory/6740-25-0x000000003B170000-0x000000003B1C0000-memory.dmp

            memory/6740-26-0x000000003B1C0000-0x000000003B252000-memory.dmp

            memory/6740-27-0x000000003B290000-0x000000003B29A000-memory.dmp

            memory/6740-28-0x00000000772D5000-0x00000000772D6000-memory.dmp

            memory/6740-29-0x0000000071FB2000-0x0000000071FB3000-memory.dmp

            memory/6740-30-0x0000000071FA0000-0x000000007275C000-memory.dmp