Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-11-2024 02:05

General

  • Target

    51b39d9a45bc5845c96d8505fac0cd63ed39831577e706af05ec0edd360f6b56.exe

  • Size

    381KB

  • MD5

    63a272a97948c637ee7682f59bdc1229

  • SHA1

    0e71a6a267c14dbf86a1748fa4fea71f51a36d9d

  • SHA256

    51b39d9a45bc5845c96d8505fac0cd63ed39831577e706af05ec0edd360f6b56

  • SHA512

    29612690158a8f13432e6cd609fa2607b52a698766e706888940e4377f9d6db0183e37ec8cdddf9fb9a21a626b5d8f18f8f1d612b40cf24cb0131cf777298f34

  • SSDEEP

    6144:Yf+HCMKOh/Hm0eD+9pgDHtvTsoEEHU17iYv6fQygf9/jDj8c4QTh89b:t+s59+DHtbVNUlbwbQTh8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.pharco--corp.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    tHKfMRa2

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\51b39d9a45bc5845c96d8505fac0cd63ed39831577e706af05ec0edd360f6b56.exe
    "C:\Users\Admin\AppData\Local\Temp\51b39d9a45bc5845c96d8505fac0cd63ed39831577e706af05ec0edd360f6b56.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:292
    • C:\Users\Admin\AppData\Local\Temp\51b39d9a45bc5845c96d8505fac0cd63ed39831577e706af05ec0edd360f6b56.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/292-0-0x0000000074651000-0x0000000074652000-memory.dmp

    Filesize

    4KB

  • memory/292-1-0x0000000074650000-0x0000000074BFB000-memory.dmp

    Filesize

    5.7MB

  • memory/292-2-0x0000000074650000-0x0000000074BFB000-memory.dmp

    Filesize

    5.7MB

  • memory/292-3-0x0000000074650000-0x0000000074BFB000-memory.dmp

    Filesize

    5.7MB

  • memory/292-4-0x0000000074650000-0x0000000074BFB000-memory.dmp

    Filesize

    5.7MB

  • memory/292-5-0x0000000074650000-0x0000000074BFB000-memory.dmp

    Filesize

    5.7MB

  • memory/292-19-0x0000000074650000-0x0000000074BFB000-memory.dmp

    Filesize

    5.7MB

  • memory/3028-14-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/3028-16-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/3028-12-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/3028-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3028-9-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/3028-8-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/3028-7-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/3028-6-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/3028-18-0x0000000074650000-0x0000000074BFB000-memory.dmp

    Filesize

    5.7MB

  • memory/3028-17-0x0000000074650000-0x0000000074BFB000-memory.dmp

    Filesize

    5.7MB

  • memory/3028-20-0x0000000074650000-0x0000000074BFB000-memory.dmp

    Filesize

    5.7MB

  • memory/3028-21-0x0000000074650000-0x0000000074BFB000-memory.dmp

    Filesize

    5.7MB