Analysis

  • max time kernel
    89s
  • max time network
    63s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    16-07-2020 15:18

General

  • Target

    PAYMENT ADVICE.pdf.htm.exe

  • Size

    566KB

  • MD5

    c4df328f52522f048ca32b7e479fc0ac

  • SHA1

    cbb4726598aa012f15ee5191b434f8d29d54851a

  • SHA256

    75bf8cf9e7b9b06f08396a6d6ecf3bca428c00cd79e4b9bf6e56619b67d7c4de

  • SHA512

    d5908f6e07f25e108c34ea23eae68d76d2d77df9cf4bde346c94b4d9037ffac5ff1387250d42b8721e2a7a3e617ef1b2a01c08e444509fafbed267cdbf76ee51

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\PAYMENT ADVICE.pdf.htm.exe
    "C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE.pdf.htm.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1124
    • C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE.pdf.htm.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1496

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1496-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1496-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1496-5-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB