Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    26-03-2024 12:48

General

  • Target

    FedEx Invoice.exe

  • Size

    722KB

  • MD5

    fcccfea9595d5b17704bd27e8b76661d

  • SHA1

    5ca97ed158a7835c95427551040d2ee6c482132a

  • SHA256

    19299c911d297fef582c50c022ef66afdfba6b761f329d7ffe05e96353cb8122

  • SHA512

    7ad7933465b24e37ece7b9472bdbd977004a7015bf0be1769af0631da963bbf0341259cdebeee71d82c69581b95bd8fd7c435cd33300697500c56423db90a675

  • SSDEEP

    12288:iCXBQa5WAZDVobHPlLyILv20GbZNCygzNYbDlx2wqkbugTQI+kR:VXBwwQHPFyDghqn2wfNzl

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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FedEx Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\FedEx Invoice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Users\Admin\AppData\Local\Temp\FedEx Invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\FedEx Invoice.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1376-0-0x00000000012F0000-0x00000000013A6000-memory.dmp

    Filesize

    728KB

  • memory/1376-1-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1376-2-0x0000000004E30000-0x0000000004E70000-memory.dmp

    Filesize

    256KB

  • memory/1376-3-0x0000000000210000-0x0000000000222000-memory.dmp

    Filesize

    72KB

  • memory/1376-4-0x0000000000230000-0x000000000023C000-memory.dmp

    Filesize

    48KB

  • memory/1376-5-0x0000000004D60000-0x0000000004DE2000-memory.dmp

    Filesize

    520KB

  • memory/1376-18-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2212-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2212-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2212-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2212-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2212-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2212-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2212-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2212-19-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2212-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2212-20-0x0000000000EB0000-0x0000000000EF0000-memory.dmp

    Filesize

    256KB

  • memory/2212-21-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2212-22-0x0000000000EB0000-0x0000000000EF0000-memory.dmp

    Filesize

    256KB