Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    13-07-2020 06:24

General

  • Target

    43949785_98147_SOA.exe

  • Size

    329KB

  • MD5

    fbf4769b141697d86de6b96bebd8cb86

  • SHA1

    0d571d09dc9fe8a393fc6135eac337d2d385941f

  • SHA256

    5d567a17efdfd5b798013424d36c0e2d32a20ba610dcaa0011d7aad2eaa6b4e8

  • SHA512

    6512fddb4a96e0ead8ae0bacab0a2131974611ef5863b49602ae6707480d0f2a53815a28c05fcbfe708257bc9160f58d39cf376c8b05492c8073219f587bd1e1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    vicanto1994

Signatures

  • AgentTesla

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Suspicious use of WriteProcessMemory 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

Processes

  • C:\Users\Admin\AppData\Local\Temp\43949785_98147_SOA.exe
    "C:\Users\Admin\AppData\Local\Temp\43949785_98147_SOA.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    PID:3908
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HPbFjrnrRag" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8056.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3024
  • C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
    C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
    1⤵
      PID:3428

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp8056.tmp
    • memory/3024-0-0x0000000000000000-mapping.dmp