Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 01:59

General

  • Target

    ae56de5b8d4d89c0644b5dca19f74228561188657b2c6b034837c6c51572ff8a.exe

  • Size

    712KB

  • MD5

    d1022b868084f1b66bfa7886d99beb6a

  • SHA1

    260ea9ea5fc5169f4e0c4801cf1bbb8f1b77c2d2

  • SHA256

    ae56de5b8d4d89c0644b5dca19f74228561188657b2c6b034837c6c51572ff8a

  • SHA512

    6b59f5edcf84ce66f40e26fc8bba0f913ca2a21b909fa55e6071bfe0342b42b5f75a1e89c87b8178979f8cb39be253272b3959154af8ba12a8ece63d5f782620

  • SSDEEP

    12288:LaCR5leZlN2EwXWoS+fTRzbiuaGvIAs7BMCqjXfaCmiikzaG8liSeXgj3HRYojzN:G+ergZWo31G/JdEjXfa/P6unLHh/F

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 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 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae56de5b8d4d89c0644b5dca19f74228561188657b2c6b034837c6c51572ff8a.exe
    "C:\Users\Admin\AppData\Local\Temp\ae56de5b8d4d89c0644b5dca19f74228561188657b2c6b034837c6c51572ff8a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Users\Admin\AppData\Local\Temp\ae56de5b8d4d89c0644b5dca19f74228561188657b2c6b034837c6c51572ff8a.exe
      "C:\Users\Admin\AppData\Local\Temp\ae56de5b8d4d89c0644b5dca19f74228561188657b2c6b034837c6c51572ff8a.exe"
      2⤵
        PID:2924
      • C:\Users\Admin\AppData\Local\Temp\ae56de5b8d4d89c0644b5dca19f74228561188657b2c6b034837c6c51572ff8a.exe
        "C:\Users\Admin\AppData\Local\Temp\ae56de5b8d4d89c0644b5dca19f74228561188657b2c6b034837c6c51572ff8a.exe"
        2⤵
          PID:3052
        • C:\Users\Admin\AppData\Local\Temp\ae56de5b8d4d89c0644b5dca19f74228561188657b2c6b034837c6c51572ff8a.exe
          "C:\Users\Admin\AppData\Local\Temp\ae56de5b8d4d89c0644b5dca19f74228561188657b2c6b034837c6c51572ff8a.exe"
          2⤵
            PID:3020
          • C:\Users\Admin\AppData\Local\Temp\ae56de5b8d4d89c0644b5dca19f74228561188657b2c6b034837c6c51572ff8a.exe
            "C:\Users\Admin\AppData\Local\Temp\ae56de5b8d4d89c0644b5dca19f74228561188657b2c6b034837c6c51572ff8a.exe"
            2⤵
              PID:2920
            • C:\Users\Admin\AppData\Local\Temp\ae56de5b8d4d89c0644b5dca19f74228561188657b2c6b034837c6c51572ff8a.exe
              "C:\Users\Admin\AppData\Local\Temp\ae56de5b8d4d89c0644b5dca19f74228561188657b2c6b034837c6c51572ff8a.exe"
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:2948

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2724-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

            Filesize

            4KB

          • memory/2724-1-0x0000000000250000-0x0000000000306000-memory.dmp

            Filesize

            728KB

          • memory/2724-2-0x0000000074A30000-0x000000007511E000-memory.dmp

            Filesize

            6.9MB

          • memory/2724-3-0x00000000006C0000-0x00000000006E2000-memory.dmp

            Filesize

            136KB

          • memory/2724-4-0x00000000003B0000-0x00000000003C0000-memory.dmp

            Filesize

            64KB

          • memory/2724-5-0x0000000000600000-0x0000000000682000-memory.dmp

            Filesize

            520KB

          • memory/2724-19-0x0000000074A30000-0x000000007511E000-memory.dmp

            Filesize

            6.9MB

          • memory/2948-12-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2948-14-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2948-17-0x0000000074A30000-0x000000007511E000-memory.dmp

            Filesize

            6.9MB

          • memory/2948-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2948-9-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2948-8-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2948-7-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2948-6-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2948-18-0x0000000074A30000-0x000000007511E000-memory.dmp

            Filesize

            6.9MB

          • memory/2948-16-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2948-20-0x0000000074A30000-0x000000007511E000-memory.dmp

            Filesize

            6.9MB

          • memory/2948-21-0x0000000074A30000-0x000000007511E000-memory.dmp

            Filesize

            6.9MB