Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    19-06-2024 01:02

General

  • Target

    b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe

  • Size

    755KB

  • MD5

    69eb8a758814ce93b09578f47aba4c19

  • SHA1

    66850a40b2b77f8f89f8882a5f8aecc87110945e

  • SHA256

    b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26

  • SHA512

    df1d61ea9f993b311949e7cef7137c52fe367c75fe6bfa1a6c524376c5894f3c8f94b687814a769a44e83e626556bcf4b8b12f5d72b7924e220012d332eaaeae

  • SSDEEP

    12288:4bKDA7hW9s72Rw4iJQPxUCbwlM5cd39KKcZuoni5Y2rKDEbnv77PACR5leZlN2b:4bPWO7D4iJq0lM5EQzjngLHDDA+erob

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 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
    "C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:348
    • C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
      "C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe"
      2⤵
        PID:2292
      • C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
        "C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe"
        2⤵
          PID:2988
        • C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
          "C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe"
          2⤵
            PID:2632
          • C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
            "C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:2640

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/348-19-0x0000000074A80000-0x000000007516E000-memory.dmp
          Filesize

          6.9MB

        • memory/348-1-0x0000000000110000-0x00000000001D4000-memory.dmp
          Filesize

          784KB

        • memory/348-2-0x0000000074A80000-0x000000007516E000-memory.dmp
          Filesize

          6.9MB

        • memory/348-3-0x0000000000570000-0x0000000000592000-memory.dmp
          Filesize

          136KB

        • memory/348-4-0x0000000000450000-0x0000000000460000-memory.dmp
          Filesize

          64KB

        • memory/348-5-0x0000000005040000-0x00000000050C4000-memory.dmp
          Filesize

          528KB

        • memory/348-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp
          Filesize

          4KB

        • memory/2640-18-0x0000000074A80000-0x000000007516E000-memory.dmp
          Filesize

          6.9MB

        • memory/2640-17-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/2640-15-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/2640-20-0x0000000074A80000-0x000000007516E000-memory.dmp
          Filesize

          6.9MB

        • memory/2640-13-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/2640-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
          Filesize

          4KB

        • memory/2640-10-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/2640-9-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/2640-6-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/2640-8-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/2640-21-0x0000000074A80000-0x000000007516E000-memory.dmp
          Filesize

          6.9MB