General

  • Target

    00f9985ce5ead924571059504e5e0f699dc55013da6969752da86eaae8c396a6.exe

  • Size

    433KB

  • Sample

    240613-bcvvfayapg

  • MD5

    8679a39e2b0abec131fba635ac5395a4

  • SHA1

    95af87b3b3bbb7769a18f8cad0400068803090b5

  • SHA256

    00f9985ce5ead924571059504e5e0f699dc55013da6969752da86eaae8c396a6

  • SHA512

    805a333022aab5837d0ff7765d6beab5d606c3b0f36d3c81d110923f745a2db8f10cff222c8c08fb20b46c8826cbd7936bfae1e18c70cc7ac5ee25dd876c2c9a

  • SSDEEP

    3072:CPB6kNIVvqUBkohcXy5UBteVT4w0WSe5eAHM9gSMhqS+SRUQCIDvGUQyHjD:CPckNI0MhcXVteVT4B5h9gSMXU4xHD

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.mado.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    **Mado1245??

Extracted

Family

agenttesla

Credentials

Extracted

Family

xworm

Version

5.0

C2

178.215.236.251:717

Mutex

0AVeWj1eTvHM3Un2

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • telegram

    https://api.telegram.org/bot5987023205:AAFlvwKv3zD3wQ2CQAewIB6uU95uBQ25ip0/sendMessage?chat_id=5202962680

aes.plain

Targets

    • Target

      00f9985ce5ead924571059504e5e0f699dc55013da6969752da86eaae8c396a6.exe

    • Size

      433KB

    • MD5

      8679a39e2b0abec131fba635ac5395a4

    • SHA1

      95af87b3b3bbb7769a18f8cad0400068803090b5

    • SHA256

      00f9985ce5ead924571059504e5e0f699dc55013da6969752da86eaae8c396a6

    • SHA512

      805a333022aab5837d0ff7765d6beab5d606c3b0f36d3c81d110923f745a2db8f10cff222c8c08fb20b46c8826cbd7936bfae1e18c70cc7ac5ee25dd876c2c9a

    • SSDEEP

      3072:CPB6kNIVvqUBkohcXy5UBteVT4w0WSe5eAHM9gSMhqS+SRUQCIDvGUQyHjD:CPckNI0MhcXVteVT4B5h9gSMXU4xHD

    • AgentTesla

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

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • Detects executables containing URLs to raw contents of a Github gist

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Detects executables using Telegram Chat Bot

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks