Resubmissions

22-03-2024 23:33

240322-3jzwhsad82 10

22-03-2024 22:52

240322-2trr8aaa62 10

General

  • Target

    0c749d3ceaaa39497f29bf7917c0c5a2f767776ca055492162ce9153bd21e4dd

  • Size

    1.8MB

  • Sample

    240322-2trr8aaa62

  • MD5

    f019ca1aef4fffd879a999f79ef7c473

  • SHA1

    b0d2632ec5806652789fb02b10486829e7af2b4c

  • SHA256

    0c749d3ceaaa39497f29bf7917c0c5a2f767776ca055492162ce9153bd21e4dd

  • SHA512

    e93abeebe740edccca6b69121eae1ad13bbf0fe117153408564257d940945605673b6eb9bc480a9f3634c88c2f98c69aca2f5c1ce26bbf43133ce870c68bd6f4

  • SSDEEP

    24576:5kLETDQgD35k/p3OD0k8jDj2KBfdeXV0B2LO0NnKXrhUMXkQh8iImNxwT3x7ADLn:G0Qg2U0kMj2uMoGO0oXj38ilxJL

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

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Targets

    • Target

      0c749d3ceaaa39497f29bf7917c0c5a2f767776ca055492162ce9153bd21e4dd

    • Size

      1.8MB

    • MD5

      f019ca1aef4fffd879a999f79ef7c473

    • SHA1

      b0d2632ec5806652789fb02b10486829e7af2b4c

    • SHA256

      0c749d3ceaaa39497f29bf7917c0c5a2f767776ca055492162ce9153bd21e4dd

    • SHA512

      e93abeebe740edccca6b69121eae1ad13bbf0fe117153408564257d940945605673b6eb9bc480a9f3634c88c2f98c69aca2f5c1ce26bbf43133ce870c68bd6f4

    • SSDEEP

      24576:5kLETDQgD35k/p3OD0k8jDj2KBfdeXV0B2LO0NnKXrhUMXkQh8iImNxwT3x7ADLn:G0Qg2U0kMj2uMoGO0oXj38ilxJL

    • Amadey

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

    • Detect ZGRat V1

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • Stealc

      Stealc is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • ZGRat

      ZGRat is remote access trojan written in C#.

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • 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.

    • Drops startup file

    • 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 web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks