Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    17-06-2024 17:03

General

  • Target

    5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe

  • Size

    2.9MB

  • MD5

    1194e62491f4f10fcf9350468f24008c

  • SHA1

    0763182ea5268195e565382d2067036477d37d25

  • SHA256

    5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38

  • SHA512

    8c10525336aba2e560b9a1e7c3d1e6ed6767e8e5739243efa6dfa015dba64480ee33c5f714c7561bc9c66f68e85a8bcd23550d997bc878ae9c872b902d10e69c

  • SSDEEP

    24576:3rfd2kD0pPvPPUlfr76QUzzFiJK6bBHPB:Rx0XPcl36QzJKyBHPB

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe
    "C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
      2⤵
        PID:2164
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2184
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2188 -s 632
        2⤵
          PID:2364

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2184-9-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2184-7-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2184-11-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2184-6-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2184-4-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2184-5-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2184-13-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2184-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2188-1-0x00000000011A0000-0x00000000011AA000-memory.dmp

        Filesize

        40KB

      • memory/2188-0-0x000007FEF5673000-0x000007FEF5674000-memory.dmp

        Filesize

        4KB

      • memory/2188-3-0x00000000010D0000-0x0000000001162000-memory.dmp

        Filesize

        584KB

      • memory/2188-2-0x000007FEF5670000-0x000007FEF605C000-memory.dmp

        Filesize

        9.9MB

      • memory/2188-14-0x000007FEF5673000-0x000007FEF5674000-memory.dmp

        Filesize

        4KB

      • memory/2188-15-0x000007FEF5670000-0x000007FEF605C000-memory.dmp

        Filesize

        9.9MB