General

  • Target

    file.exe

  • Size

    2.7MB

  • Sample

    240919-nfenvavhpa

  • MD5

    78d2a7c1779929bcd35a34feff9562c4

  • SHA1

    130b5e1d715d872face2e22300d09905cdb5189e

  • SHA256

    8b3898aae0a6f20fc81372005ce4bc784b1289f95a664b719f8164c98a8dc0d6

  • SHA512

    501041cbf04835a7258b5dfeae1c77fdbf134a63ad3deb10771de394a434b42dc39afdc079ab2a0db974789d8cd6d6aea1eb96daec0580ff19dcae0a38adcbc7

  • SSDEEP

    49152:z2e2Rw0skJ7kKvkoGK7vWFuXyuUXz6/mRDfxpCkC:z2/Rw0bJ7kKvkvKjWFU0jSsDf3CkC

Malware Config

Extracted

Family

stealc

Botnet

rave

C2

http://185.215.113.103

Attributes
  • url_path

    /e2b1563c6670f193.php

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

Targets

    • Target

      file.exe

    • Size

      2.7MB

    • MD5

      78d2a7c1779929bcd35a34feff9562c4

    • SHA1

      130b5e1d715d872face2e22300d09905cdb5189e

    • SHA256

      8b3898aae0a6f20fc81372005ce4bc784b1289f95a664b719f8164c98a8dc0d6

    • SHA512

      501041cbf04835a7258b5dfeae1c77fdbf134a63ad3deb10771de394a434b42dc39afdc079ab2a0db974789d8cd6d6aea1eb96daec0580ff19dcae0a38adcbc7

    • SSDEEP

      49152:z2e2Rw0skJ7kKvkoGK7vWFuXyuUXz6/mRDfxpCkC:z2/Rw0bJ7kKvkvKjWFU0jSsDf3CkC

    • 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.

    • 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

MITRE ATT&CK Enterprise v15

Tasks