Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/05/2024, 01:15

General

  • Target
    389d986a90326bd042f4ad223f23d221a6f6f98947b05a8e4bd9ac962b42a245.exe
  • Size 2.7MB
  • Sample240511-bmdznsfe45
  • SHA256 389d986a90326bd042f4ad223f23d221a6f6f98947b05a8e4bd9ac962b42a245
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.gencoldfire.com

  • Port

    587

  • Password

    %j#!%z2b/?qM68K#

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 34 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 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.

  • Looks up external IP address via web service 1 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 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\389d986a90326bd042f4ad223f23d221a6f6f98947b05a8e4bd9ac962b42a245.exe
    "C:\Users\Admin\AppData\Local\Temp\389d986a90326bd042f4ad223f23d221a6f6f98947b05a8e4bd9ac962b42a245.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1532
    • C:\Users\Admin\AppData\Local\Temp\389d986a90326bd042f4ad223f23d221a6f6f98947b05a8e4bd9ac962b42a245.exe
      "C:\Users\Admin\AppData\Local\Temp\389d986a90326bd042f4ad223f23d221a6f6f98947b05a8e4bd9ac962b42a245.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4488

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        389d986a90326bd042f4ad223f23d221a6f6f98947b05a8e4bd9ac962b42a245.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\389d986a90326bd042f4ad223f23d221a6f6f98947b05a8e4bd9ac962b42a245.exe.log
        • Size 805B
        • SHA256 fd99bed17853f5ad196ca6d4a62f5e2405fbdf5b98cbf45af8b7cef83e4bcec3
        • MD5 SHA1 SHA512

        memory/1532-0-0x000000007465E000-0x000000007465F000-memory.dmp

        memory/1532-1-0x0000000000360000-0x0000000000614000-memory.dmp

        memory/1532-2-0x0000000074650000-0x0000000074E00000-memory.dmp

        memory/1532-3-0x0000000005840000-0x0000000005C98000-memory.dmp

        memory/1532-4-0x0000000006ED0000-0x0000000007100000-memory.dmp

        memory/1532-5-0x00000000076B0000-0x0000000007C54000-memory.dmp

        memory/1532-6-0x00000000071A0000-0x0000000007232000-memory.dmp

        memory/1532-12-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-18-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-24-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-32-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-30-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-28-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-26-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-22-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-20-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-16-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-14-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-10-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-8-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-7-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-46-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-44-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-42-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-40-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-38-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-36-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-34-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-52-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-70-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-68-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-66-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-64-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-62-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-61-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-58-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-56-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-54-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-50-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-48-0x0000000006ED0000-0x00000000070FA000-memory.dmp

        memory/1532-4887-0x0000000074650000-0x0000000074E00000-memory.dmp

        memory/1532-4889-0x0000000005600000-0x000000000564C000-memory.dmp

        memory/1532-4888-0x0000000005700000-0x000000000576C000-memory.dmp

        memory/1532-4890-0x00000000057C0000-0x0000000005814000-memory.dmp

        memory/1532-4896-0x0000000074650000-0x0000000074E00000-memory.dmp

        memory/4488-4894-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/4488-4895-0x0000000074650000-0x0000000074E00000-memory.dmp

        memory/4488-4898-0x0000000074650000-0x0000000074E00000-memory.dmp

        memory/4488-4897-0x00000000059F0000-0x0000000005A56000-memory.dmp

        memory/4488-4899-0x0000000006F20000-0x0000000006F70000-memory.dmp

        memory/4488-4900-0x0000000007010000-0x00000000070AC000-memory.dmp

        memory/4488-4901-0x0000000007210000-0x000000000721A000-memory.dmp

        memory/4488-4902-0x0000000074650000-0x0000000074E00000-memory.dmp