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Analysis

  • max time kernel
    111s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    08/07/2020, 05:10

General

  • Target

    Invoice PO.exe

  • Size

    834KB

  • MD5

    4f4d4dc29e20746e35bd51f4b3e6886f

  • SHA1

    7a8e5712eacddb066cbc14fd1834ed0572528a5d

  • SHA256

    026b2de77cf868ad38f39009a567ded7d184a475bad49effb7bf0a8a92b6d965

  • SHA512

    668871ae98326aa8e311136765c068cc53b50425690193a89e61ed5e2a6984ce400375685473008aafa4e75105685d3bc29bb4712f2f160b8c0311c8fd441733

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice PO.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice PO.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Users\Admin\AppData\Local\Temp\Invoice PO.exe
      "{path}"
      2⤵
        PID:316
      • C:\Users\Admin\AppData\Local\Temp\Invoice PO.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1488

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1488-0-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1488-2-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1488-3-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB