General

  • Target

    2ab76d640be9fc4cf0c70e5136145926bb8644385958e979b1d4069d60a1653a

  • Size

    1.8MB

  • Sample

    240330-vztensbc62

  • MD5

    6caf9333e72489f460607a36f6d2376d

  • SHA1

    7dd35053d023452b2f9b77236f12161f85b030c1

  • SHA256

    2ab76d640be9fc4cf0c70e5136145926bb8644385958e979b1d4069d60a1653a

  • SHA512

    7dcefd701fc106517c813b77cd533fdb8e87b92c4c6656a9779caf482c5d069a93e597af2bb8d5ae7bafe43f8dd8f61af64ee47ea765d63392bfc71e47619702

  • SSDEEP

    49152:9zhhjW/1TEPFMaLMPM8xX//kOvQ+Hn1NMtDjV2:9zh1MyNHIPLhkOzNWD

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5905440472:AAH7yJYEREM-Uefb6Xv04uo_iKD7w2txk9k/

Targets

    • Target

      2ab76d640be9fc4cf0c70e5136145926bb8644385958e979b1d4069d60a1653a

    • Size

      1.8MB

    • MD5

      6caf9333e72489f460607a36f6d2376d

    • SHA1

      7dd35053d023452b2f9b77236f12161f85b030c1

    • SHA256

      2ab76d640be9fc4cf0c70e5136145926bb8644385958e979b1d4069d60a1653a

    • SHA512

      7dcefd701fc106517c813b77cd533fdb8e87b92c4c6656a9779caf482c5d069a93e597af2bb8d5ae7bafe43f8dd8f61af64ee47ea765d63392bfc71e47619702

    • SSDEEP

      49152:9zhhjW/1TEPFMaLMPM8xX//kOvQ+Hn1NMtDjV2:9zh1MyNHIPLhkOzNWD

    • AgentTesla

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

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • 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 local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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.

    • 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 NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks