Analysis

  • max time kernel
    118s
  • 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 02:03

General

  • Target

    b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe

  • Size

    2.3MB

  • MD5

    39b87e27d213375bb5c94cf386a6aaf5

  • SHA1

    8ff9e7355ad1691a675dc0e86686266fd509d4d6

  • SHA256

    b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106

  • SHA512

    20f168eadf44aa82efb6ded020310b0a8cd215cc86c2c86c4fb53620921ecb70dd14756b542d0fba06862ddc3cca76d471b7c7590a87c232c356bed9d7438657

  • SSDEEP

    3072:LnJX2tdtyOHWZV59Sr8wv+mI8UYQw4eY1ZVyd/BRfFglJhlwYxveNwa9KqwX9Tp2:LnJ0

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Qb.X[.j.Yfm[

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 packed with or use KoiVM 1 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe
    "C:\Users\Admin\AppData\Local\Temp\b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
        PID:2228
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2308
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 1968 -s 664
        2⤵
          PID:2884

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1968-0-0x000007FEF6173000-0x000007FEF6174000-memory.dmp

        Filesize

        4KB

      • memory/1968-1-0x0000000001000000-0x0000000001246000-memory.dmp

        Filesize

        2.3MB

      • memory/1968-2-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp

        Filesize

        9.9MB

      • memory/1968-3-0x000000001B4E0000-0x000000001B572000-memory.dmp

        Filesize

        584KB

      • memory/1968-21-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp

        Filesize

        9.9MB

      • memory/1968-20-0x000007FEF6173000-0x000007FEF6174000-memory.dmp

        Filesize

        4KB

      • memory/2308-13-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2308-17-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2308-15-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2308-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2308-10-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2308-8-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2308-18-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

        Filesize

        4KB

      • memory/2308-19-0x0000000074D20000-0x000000007540E000-memory.dmp

        Filesize

        6.9MB

      • memory/2308-6-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2308-4-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2308-22-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

        Filesize

        4KB

      • memory/2308-23-0x0000000074D20000-0x000000007540E000-memory.dmp

        Filesize

        6.9MB