Analysis

  • max time kernel
    137s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    15-07-2020 13:39

General

  • Target

    RFQ.pdf.exe

  • Size

    1.1MB

  • MD5

    40ebf8bb674b984b2485616e70581f47

  • SHA1

    9459e7e5c22744f79477aa0aeea03d628bfb9cc3

  • SHA256

    a56855064cde16356d60565bc667ae8450e8604f66b6c30dfe94c97703e36a96

  • SHA512

    f0a88a5ef1de7bdb76bcf92699e1c6e484adbd4e4642ce705cb5f923feaa3965f5d4be7f52c7a9cec219a4ebe27eb83f62882ebcf066d2cd7ac28c55654a989f

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kingmoney12345

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • 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\RFQ.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Users\Admin\AppData\Local\Temp\RFQ.pdf.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1804

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1804-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1804-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1804-5-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB