Analysis

  • max time kernel
    139s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2023, 11:43

General

  • Target
    POTWIERDZENIE_TRANSAKCJI_20231019162300.exe
  • Size 1.3MB
  • Sample231020-nvkhmsad4y
  • SHA256 b916d475339eb0e64ad8e4e8bf897adb317c8add907ca4f72c1b7fda76cd8550
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.dzljubovija.com

  • Port

    587

  • Password

    0zdravljenje

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\POTWIERDZENIE_TRANSAKCJI_20231019162300.exe
    "C:\Users\Admin\AppData\Local\Temp\POTWIERDZENIE_TRANSAKCJI_20231019162300.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4916
    • C:\Users\Admin\AppData\Local\Temp\POTWIERDZENIE_TRANSAKCJI_20231019162300.exe
      C:\Users\Admin\AppData\Local\Temp\POTWIERDZENIE_TRANSAKCJI_20231019162300.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:560

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        POTWIERDZENIE_TRANSAKCJI_20231019162300.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\POTWIERDZENIE_TRANSAKCJI_20231019162300.exe.log
        • Size 1016B
        • SHA256 61954fc5184dd88a959f803ee98ca9af53eb0c942dbb00b98ba4f8a46081b587
        • MD5 SHA1 SHA512

        memory/560-16-0x0000000005150000-0x00000000051B6000-memory.dmp

        memory/560-13-0x0000000074BF0000-0x00000000753A0000-memory.dmp

        memory/560-20-0x0000000006A00000-0x0000000006A0A000-memory.dmp

        memory/560-10-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/560-19-0x0000000074BF0000-0x00000000753A0000-memory.dmp

        memory/560-18-0x0000000006920000-0x00000000069BC000-memory.dmp

        memory/560-17-0x0000000006830000-0x0000000006880000-memory.dmp

        memory/560-15-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

        memory/4916-6-0x00000000051C0000-0x0000000005202000-memory.dmp

        memory/4916-1-0x0000000000330000-0x000000000048E000-memory.dmp

        memory/4916-4-0x0000000004F30000-0x0000000005082000-memory.dmp

        memory/4916-2-0x0000000004E70000-0x0000000004F02000-memory.dmp

        memory/4916-14-0x0000000074BF0000-0x00000000753A0000-memory.dmp

        memory/4916-8-0x00000000055A0000-0x00000000055EC000-memory.dmp

        memory/4916-0-0x0000000074BF0000-0x00000000753A0000-memory.dmp

        memory/4916-7-0x0000000005200000-0x0000000005240000-memory.dmp

        memory/4916-9-0x0000000005BA0000-0x0000000006144000-memory.dmp

        memory/4916-5-0x0000000005120000-0x000000000517A000-memory.dmp

        memory/4916-3-0x0000000004F20000-0x0000000004F30000-memory.dmp