Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 10:36

General

  • Target

    5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe

  • Size

    724KB

  • MD5

    8e55bf75f4c476a962dce1015f5ffcb6

  • SHA1

    c4d98f982e78cd04cd075e4692b7e83a23f4f939

  • SHA256

    5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557

  • SHA512

    95256ac59e72c12ece1e662c43d4ed52c365e41be68852eaad6832c44ac9fb3f2474bfc832a57b55c185ef4cc2195ded4e174b660fbad577a6b27700fade0100

  • SSDEEP

    12288:SDzWNjpkskxRDqaCgqaR5F6HkkoFK/iZ1PzHnHlbxd3PIdfq2VaVWswQhvi6sul7:SDzWNjpkskxRDqaCgqaR+tM9zHnHlbxU

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 2 TTPs

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

  • 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 SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe
    "C:\Users\Admin\AppData\Local\Temp\5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Users\Admin\AppData\Local\Temp\5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe
      "C:\Users\Admin\AppData\Local\Temp\5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe"
      2⤵
        PID:2576
      • C:\Users\Admin\AppData\Local\Temp\5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe
        "C:\Users\Admin\AppData\Local\Temp\5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2596

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1660-0-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

            Filesize

            4KB

          • memory/1660-1-0x00000000008A0000-0x000000000095C000-memory.dmp

            Filesize

            752KB

          • memory/1660-2-0x0000000074A20000-0x000000007510E000-memory.dmp

            Filesize

            6.9MB

          • memory/1660-3-0x0000000000290000-0x00000000002B0000-memory.dmp

            Filesize

            128KB

          • memory/1660-4-0x00000000002C0000-0x00000000002D0000-memory.dmp

            Filesize

            64KB

          • memory/1660-5-0x00000000002D0000-0x00000000002E6000-memory.dmp

            Filesize

            88KB

          • memory/1660-6-0x0000000005500000-0x0000000005584000-memory.dmp

            Filesize

            528KB

          • memory/1660-18-0x0000000074A20000-0x000000007510E000-memory.dmp

            Filesize

            6.9MB

          • memory/2596-9-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2596-7-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2596-13-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2596-17-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2596-15-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2596-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2596-10-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2596-8-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2596-19-0x0000000074A20000-0x000000007510E000-memory.dmp

            Filesize

            6.9MB

          • memory/2596-20-0x0000000074A20000-0x000000007510E000-memory.dmp

            Filesize

            6.9MB

          • memory/2596-21-0x0000000074A20000-0x000000007510E000-memory.dmp

            Filesize

            6.9MB