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General

  • Target

    1a57e34d85775c7335f37961bc07658a839d04931a31ad07380985fce3e10a09

  • Size

    1.8MB

  • Sample

    240817-yvmccaxaml

  • MD5

    a551c4cc7296af05a51ce367e84bca6a

  • SHA1

    b660f9ece06d72523ab860dc11d21cc516a89f88

  • SHA256

    1a57e34d85775c7335f37961bc07658a839d04931a31ad07380985fce3e10a09

  • SHA512

    14a8880ca3205f8d62afc8876c7015415c35ebfe530a4a1cab0f474565d3cc6fb3b54ae3cfe8faaffe96a7d8ad6a0c73b68b890fbfb950fff08ea278bc5aa03b

  • SSDEEP

    49152:dtv4SOUyxZep9Ehgd0QPJPQ+z/fj6hTb2Jf0Z7ctAT:dF4T3ZCTd0QhPQon+hu9eP

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

c7817d

C2

http://31.41.244.10

Attributes
  • install_dir

    0e8d0864aa

  • install_file

    svoutse.exe

  • strings_key

    5481b88a6ef75bcf21333988a4e47048

  • url_paths

    /Dem7kTu/index.php

rc4.plain

Extracted

Family

stealc

Botnet

nord

C2

http://185.215.113.100

Attributes
  • url_path

    /e2b1563c6670f193.php

Extracted

Family

stealc

Botnet

kora

C2

http://185.215.113.100

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      1a57e34d85775c7335f37961bc07658a839d04931a31ad07380985fce3e10a09

    • Size

      1.8MB

    • MD5

      a551c4cc7296af05a51ce367e84bca6a

    • SHA1

      b660f9ece06d72523ab860dc11d21cc516a89f88

    • SHA256

      1a57e34d85775c7335f37961bc07658a839d04931a31ad07380985fce3e10a09

    • SHA512

      14a8880ca3205f8d62afc8876c7015415c35ebfe530a4a1cab0f474565d3cc6fb3b54ae3cfe8faaffe96a7d8ad6a0c73b68b890fbfb950fff08ea278bc5aa03b

    • SSDEEP

      49152:dtv4SOUyxZep9Ehgd0QPJPQ+z/fj6hTb2Jf0Z7ctAT:dF4T3ZCTd0QhPQon+hu9eP

    • Amadey

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

    • Stealc

      Stealc is an infostealer written in C++.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

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

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks