Analysis

  • max time kernel
    113s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    17/07/2020, 15:50

General

  • Target

    544755300977.exe

  • Size

    890KB

  • MD5

    43a4ff5752ddee3df016f2eb38ed8874

  • SHA1

    1d12ed5721f87d69c0f6f3e102d59b48605e8a7c

  • SHA256

    53aea080cd433c61d90184c531d36de3d0f82649579997dce665f8f3f80039dc

  • SHA512

    05f410f08d049ad24a7165074d6fc9aa0d479ad2d5e04cda6569d761f21ae81ef30ca24b2eb4aca9afeb1ed76fabafc6c464103c5587102c58c53fc5e87e3962

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    08140480968Ju@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Drops file in Drivers directory 1 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\544755300977.exe
    "C:\Users\Admin\AppData\Local\Temp\544755300977.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1164
    • C:\Users\Admin\AppData\Local\Temp\544755300977.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1512

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1512-2-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/1512-4-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/1512-5-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB