Analysis

  • max time kernel
    108s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:55

General

  • Target

    Image001.exe

  • Size

    433KB

  • MD5

    b27f96b5ebf8adafbf1fc9dc097fc43c

  • SHA1

    059479d162b04364ede561d05250f561395cd50b

  • SHA256

    05ea9c58563a4b38dbc86c5be7ee0713a05657260b35ffba490a766c88baab96

  • SHA512

    8b324d54dcddd6db08281ddd4b258f1f846ca9d4b0a38a7a0bc751f54d51c977fed62121e088efca6f0873f28f00313e9f55011846b4b96c682dec13510f3618

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ikechukwu112

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\Image001.exe
    "C:\Users\Admin\AppData\Local\Temp\Image001.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\Image001.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:948

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/948-56-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/948-57-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/948-59-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/948-60-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/948-61-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/948-62-0x0000000000447A3E-mapping.dmp

  • memory/948-64-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/948-66-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/948-68-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1684-54-0x0000000076431000-0x0000000076433000-memory.dmp

    Filesize

    8KB

  • memory/1684-55-0x0000000074640000-0x0000000074BEB000-memory.dmp

    Filesize

    5.7MB