Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 01:10

General

  • Target

    bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe

  • Size

    619KB

  • MD5

    1a51856f9fbaa90527b586b8d7030b7d

  • SHA1

    5877a4fd3f228ce10e7d7e8b51f0ea1c7bac47f7

  • SHA256

    bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb

  • SHA512

    21e7d2b77ffb22655731c23da2b349720152b4e4840629d43624fc587cb8e13b865f2fae39d4e836f48ce24f37834e0c792f1fc9828f85fedc3410a142d847a2

  • SSDEEP

    12288:i+mbcP9Nn3KG1HO2U2leTbtilHjxzlcP7FhMQsC6dHcnR2dMstiZJpNGz5dFgMF5:iV4P9B3KMHfDkZilHjc8CMHvd/tiZJ

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    polar.argondns.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    r_z3nttsB1+u

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 5 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
    "C:\Users\Admin\AppData\Local\Temp\bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Users\Admin\AppData\Local\Temp\bf89e04b47700345db62b8f39581de2154e3cb71823bfb4c12c5e2fb860c2fcb.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2184
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:2560

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2128-18-0x00000000745C0000-0x0000000074B6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2128-1-0x00000000745C0000-0x0000000074B6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2128-2-0x00000000745C0000-0x0000000074B6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2128-3-0x00000000745C0000-0x0000000074B6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2128-0-0x00000000745C1000-0x00000000745C2000-memory.dmp

    Filesize

    4KB

  • memory/2184-5-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2184-11-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2184-13-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2184-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2184-8-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2184-16-0x00000000745C0000-0x0000000074B6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2184-19-0x00000000745C0000-0x0000000074B6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2184-15-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2184-17-0x00000000745C0000-0x0000000074B6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2184-7-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2184-6-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2184-20-0x00000000745C0000-0x0000000074B6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2184-21-0x00000000745C0000-0x0000000074B6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2184-22-0x00000000745C0000-0x0000000074B6B000-memory.dmp

    Filesize

    5.7MB