Analysis

  • max time kernel
    111s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    16-07-2020 13:46

General

  • Target

    Inquiry162020.exe

  • Size

    561KB

  • MD5

    545f0d6c85e724cdf181bbb695d6adb1

  • SHA1

    d2593a8ab114593c16b77914acddd9d917fb58a1

  • SHA256

    b6e27dd859c2b932284d6a65629a1df3f262ba01b11c56281935dcf6beecdf8f

  • SHA512

    2b896a6b3f09148a5b912d5a4e2cf0014ddd52abc3ba38f67ca79bfc53f440802b45542cc9b4cabedd5c8e0cea9f413c0a368f98fc04adf4ad7af456cb6dceee

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    anyanwu3116

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Inquiry162020.exe
    "C:\Users\Admin\AppData\Local\Temp\Inquiry162020.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Users\Admin\AppData\Local\Temp\Inquiry162020.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      PID:240

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/240-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/240-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/240-5-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB