Analysis

  • max time kernel
    100s
  • max time network
    89s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    23/07/2020, 22:30

General

  • Target
    SWIFT COPY_002332102020_PDF.exe
  • Size 417KB
  • Sample200723-dffkql4ry6
  • SHA256 945ececcb2fd0b7d3a4fd86464737752ba8c1cf215159868595bd9d167a337a2
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    blessing2020

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SWIFT COPY_002332102020_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\SWIFT COPY_002332102020_PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3488
    • C:\Users\Admin\AppData\Local\Temp\SWIFT COPY_002332102020_PDF.exe
      "{path}"
      2⤵
        PID:2692
      • C:\Users\Admin\AppData\Local\Temp\SWIFT COPY_002332102020_PDF.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2700

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/2700-0-0x0000000000400000-0x000000000044C000-memory.dmp