Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-04-2024 02:02

General

  • Target

    HS202410407 Elemento de proyecto MSMU5083745/HS202410407 Elemento de proyecto MSMU5083745.pdf.exe

  • Size

    300.0MB

  • MD5

    ae691d82b099a7d1c9851c4fc30a0d7c

  • SHA1

    e208fc697d549bcbf2f8d68fa7eac36b4f3de793

  • SHA256

    c85752ca63d9ce92c459af05db545ed8c611622cbf273a4fec9c47bea1da5cca

  • SHA512

    739fd1b478acbe1c972908f61da5b9472c436dd9c8b96ec72ef86fda5b871bba4c0949d35e1ed73373f2c47b94b00d7a4c4de0f0e0cbe7e9b1f14dfae1f48af9

  • SSDEEP

    12288:WUnhF9WMn7VKqyX2F+2SrFJAaX6m5CVMfbgSaBLQqdydwh65IjHIk58SfFjr3x2Z:WUh2Mn7yXx57PfUlBLbd+wulS9jzIZ

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7099320956:AAEbKuoPa3eGpVw59XdjZSpakl0EQvO5p9g/

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 6 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 6 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 6 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 6 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 6 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HS202410407 Elemento de proyecto MSMU5083745\HS202410407 Elemento de proyecto MSMU5083745.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\HS202410407 Elemento de proyecto MSMU5083745\HS202410407 Elemento de proyecto MSMU5083745.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2864
    • C:\Users\Admin\AppData\Local\Temp\HS202410407 Elemento de proyecto MSMU5083745\HS202410407 Elemento de proyecto MSMU5083745.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\HS202410407 Elemento de proyecto MSMU5083745\HS202410407 Elemento de proyecto MSMU5083745.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2536-18-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2536-16-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2536-8-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2536-22-0x00000000745B0000-0x0000000074C9E000-memory.dmp
    Filesize

    6.9MB

  • memory/2536-9-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2536-20-0x00000000745B0000-0x0000000074C9E000-memory.dmp
    Filesize

    6.9MB

  • memory/2536-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2536-11-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2536-23-0x0000000004AD0000-0x0000000004B10000-memory.dmp
    Filesize

    256KB

  • memory/2536-21-0x0000000004AD0000-0x0000000004B10000-memory.dmp
    Filesize

    256KB

  • memory/2536-7-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2536-14-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2864-6-0x0000000003FB0000-0x0000000004036000-memory.dmp
    Filesize

    536KB

  • memory/2864-1-0x00000000745B0000-0x0000000074C9E000-memory.dmp
    Filesize

    6.9MB

  • memory/2864-19-0x00000000745B0000-0x0000000074C9E000-memory.dmp
    Filesize

    6.9MB

  • memory/2864-0-0x0000000000230000-0x00000000002F8000-memory.dmp
    Filesize

    800KB

  • memory/2864-5-0x0000000000630000-0x0000000000644000-memory.dmp
    Filesize

    80KB

  • memory/2864-4-0x0000000000620000-0x000000000062E000-memory.dmp
    Filesize

    56KB

  • memory/2864-3-0x0000000000600000-0x0000000000618000-memory.dmp
    Filesize

    96KB

  • memory/2864-2-0x0000000004270000-0x00000000042B0000-memory.dmp
    Filesize

    256KB