General

  • Target

    0c50a08dffa73cfbb9ee5ba4382bdefc.bin

  • Size

    1.7MB

  • Sample

    241122-bc2yra1kgt

  • MD5

    ed37438a4eb5570922a10dbc8a9cdc56

  • SHA1

    7756b8fcae3c9812aa6f4f53b53cf2275cb46cb2

  • SHA256

    93fd99b7d3a68259cdb4a55768f80cd19540b17bf2e0df5fb7533ac8705c6fb7

  • SHA512

    2ad9819a3318df0ea33ec81421474e7cf62b10e004617c181f294f6dff2955816f33878103350a4afd169e4179c255f33ccb2aea9b69cbddb56c899faf746bdf

  • SSDEEP

    49152:8elcUTx16C5ckdh/TYRSQFRCy4cWiPzKT1iHlMUE/AAS:VlpyYPLkvXVuTMKUC7S

Malware Config

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Targets

    • Target

      ea7617b4a5571a89a06ef9bb195dc92a178ea4e0a6a514030eb288f54d26f0a3.exe

    • Size

      1.7MB

    • MD5

      0c50a08dffa73cfbb9ee5ba4382bdefc

    • SHA1

      b21d45218d280416859c21b9c628315d6d71690f

    • SHA256

      ea7617b4a5571a89a06ef9bb195dc92a178ea4e0a6a514030eb288f54d26f0a3

    • SHA512

      529275d8e96270c711ecee981bb07a3e70eab1a01e3550898449cc9cf2da57b0e823d36fcbfca92f006ebd2b47dd1e9d7dbf2367baf14e010f179e521eeabeea

    • SSDEEP

      49152:trCQTxztO4r76EMuOfB/vxbPGpz5aFot5wlN:zrO276+6B/ZbYaFo5wlN

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • Windows security modification

    • 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