Analysis

  • max time kernel
    121s
  • max time network
    117s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    05/08/2020, 15:42

General

  • Target
    Quotation 20200805-93740.exe
  • Size 486KB
  • Sample200805-pg2aqtnt2e
  • SHA256 30ca35fc400a2f7fcfc2a05cd603f6972349d7da6a42bc492563670af3d2ecb8
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    Sages101*

Signatures

  • Suspicious use of SetThreadContext 1 IoCs
  • AgentTesla Payload 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • Reads user/profile data of local email clients 2 TTPs

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

  • AgentTesla

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation 20200805-93740.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation 20200805-93740.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    PID:976
    • C:\Users\Admin\AppData\Local\Temp\Quotation 20200805-93740.exe
      "{path}"
      2⤵
        PID:3928
      • C:\Users\Admin\AppData\Local\Temp\Quotation 20200805-93740.exe
        "{path}"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious behavior: EnumeratesProcesses
        PID:3948

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/3948-0-0x0000000000400000-0x000000000044C000-memory.dmp