Analysis

  • max time kernel
    141s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:33

General

  • Target

    SCAN003082020.exe

  • Size

    597KB

  • MD5

    2410acfe1a5929ccea9a57433673b7f2

  • SHA1

    9854f320ff61f82f6bc072e992848f6fb05cd22e

  • SHA256

    847082fe41577614b2b67a5ae938fbe824b1d142c81bb2b6036a4aeae8cccbb6

  • SHA512

    d001da204bd379510945c95ceabb9b6c645671c463f5115784bc13cffbbd4ed398b9d5c38716c0f25bf062f7de995037a2825360b6f17571006f34a8dbc8d3de

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    elevated101

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SCAN003082020.exe
    "C:\Users\Admin\AppData\Local\Temp\SCAN003082020.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Users\Admin\AppData\Local\Temp\SCAN003082020.exe
      "C:\Users\Admin\AppData\Local\Temp\SCAN003082020.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1620

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1044-54-0x0000000000040000-0x00000000000DC000-memory.dmp
    Filesize

    624KB

  • memory/1044-55-0x0000000075441000-0x0000000075443000-memory.dmp
    Filesize

    8KB

  • memory/1044-56-0x00000000004C0000-0x00000000004CA000-memory.dmp
    Filesize

    40KB

  • memory/1044-57-0x0000000005160000-0x00000000051C6000-memory.dmp
    Filesize

    408KB

  • memory/1044-58-0x0000000002330000-0x000000000237C000-memory.dmp
    Filesize

    304KB

  • memory/1620-59-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1620-60-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1620-62-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1620-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1620-65-0x00000000004473EE-mapping.dmp
  • memory/1620-64-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1620-67-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1620-69-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB