Analysis

  • max time kernel
    155s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:25

General

  • Target

    orExxXbXvTnxbVr.exe

  • Size

    666KB

  • MD5

    2596ed8a852cfbe3e4dba2e6073271f0

  • SHA1

    49ef23cb43fc70d96497a957c7eaa8677e7d9367

  • SHA256

    423179b859d9bb89495fa79e2bc08106627003a541b08b1679a25134060cc09d

  • SHA512

    f91455a67ac1959ae755474d3c211a354940a902769a41c98ed480cba2452fdcfab89a49634149d0e6da7a5188c920f57e1f0b7002174b250834e51ca836f9e3

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.albaniandailynews.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    125875.jUkT

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.albaniandailynews.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    125875.jUkT

Signatures

  • AgentTesla

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

  • AgentTesla Payload 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\orExxXbXvTnxbVr.exe
    "C:\Users\Admin\AppData\Local\Temp\orExxXbXvTnxbVr.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\Users\Admin\AppData\Local\Temp\orExxXbXvTnxbVr.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1804
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:2644

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1804-135-0x0000000000000000-mapping.dmp
    • memory/1804-136-0x0000000000400000-0x0000000000450000-memory.dmp
      Filesize

      320KB

    • memory/1804-137-0x00000000057F0000-0x0000000005856000-memory.dmp
      Filesize

      408KB

    • memory/1804-138-0x0000000006620000-0x0000000006670000-memory.dmp
      Filesize

      320KB

    • memory/2060-130-0x0000000000990000-0x0000000000A3C000-memory.dmp
      Filesize

      688KB

    • memory/2060-131-0x0000000005990000-0x0000000005F34000-memory.dmp
      Filesize

      5.6MB

    • memory/2060-132-0x00000000053E0000-0x0000000005472000-memory.dmp
      Filesize

      584KB

    • memory/2060-133-0x0000000005490000-0x000000000549A000-memory.dmp
      Filesize

      40KB

    • memory/2060-134-0x000000000D840000-0x000000000D8DC000-memory.dmp
      Filesize

      624KB

    • memory/2644-139-0x0000000000000000-mapping.dmp