General

  • Target

    81a4f7431b9301dab895845028bbfe10_NEAS

  • Size

    1.7MB

  • Sample

    240507-g8kl8sch9z

  • MD5

    81a4f7431b9301dab895845028bbfe10

  • SHA1

    a0aeaee53db9e246e19491c459987bf90e3fde0d

  • SHA256

    d7d528eb8adbe8e6140b922830d6def2ff83b2648c77c78ae6061e12ae713bbc

  • SHA512

    bbac42e2962d0543ed765747d7e93c0ff66865339ba4b1b80392268c98c264aa5967371789d0ba01464c719b10c5ec1a0450c3633e46b8286bdeba8dab9e9133

  • SSDEEP

    49152:Cn8xbtBFy7Nsp3P8tYtVj6THTtdRhSJVaRNf:CCcN03PPVj6lfhQaPf

Malware Config

Extracted

Family

amadey

Version

4.20

C2

http://193.233.132.139

Attributes
  • install_dir

    5454e6f062

  • install_file

    explorta.exe

  • strings_key

    c7a869c5ba1d72480093ec207994e2bf

  • url_paths

    /sev56rkm/index.php

rc4.plain

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Extracted

Family

risepro

C2

147.45.47.126:58709

Extracted

Family

redline

Botnet

Test1234

C2

185.215.113.67:26260

Extracted

Family

stealc

C2

http://52.143.157.84

Attributes
  • url_path

    /c73eed764cc59dcb.php

Targets

    • Target

      81a4f7431b9301dab895845028bbfe10_NEAS

    • Size

      1.7MB

    • MD5

      81a4f7431b9301dab895845028bbfe10

    • SHA1

      a0aeaee53db9e246e19491c459987bf90e3fde0d

    • SHA256

      d7d528eb8adbe8e6140b922830d6def2ff83b2648c77c78ae6061e12ae713bbc

    • SHA512

      bbac42e2962d0543ed765747d7e93c0ff66865339ba4b1b80392268c98c264aa5967371789d0ba01464c719b10c5ec1a0450c3633e46b8286bdeba8dab9e9133

    • SSDEEP

      49152:Cn8xbtBFy7Nsp3P8tYtVj6THTtdRhSJVaRNf:CCcN03PPVj6lfhQaPf

    • Amadey

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

    • Detect ZGRat V1

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Stealc

      Stealc is an infostealer written in C++.

    • UAC bypass

    • ZGRat

      ZGRat is remote access trojan written in C#.

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

    • Modifies boot configuration data using bcdedit

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Stops running service(s)

    • 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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks