General

  • Target

    decb9079be59c91e1fdb083b8ddea789.exe

  • Size

    6.1MB

  • Sample

    231221-x8c56aebc5

  • MD5

    decb9079be59c91e1fdb083b8ddea789

  • SHA1

    c49fe68121c83cdff4c3fb8f479a6beb40ea026d

  • SHA256

    50ca2730d4feb93b8d6cf986a86b34912d83c10dd7d7259d3538d415c904af73

  • SHA512

    883095a25ab1b9c6e97664c8a197002107c60ad3b1c1aaff0e96063c1eb4637c86a6ca701f2ed0f34616cf88de473c98837866eb425b0f74d1f151043956e41b

  • SSDEEP

    196608:MKLGHst81fO319A0qdHJCVK8QtzapwUdfvY5:p/oGsTdHJ/Yw2fc

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://185.215.113.68/fks/index.php

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

666

C2

195.20.16.103:18305

Extracted

Family

redline

Botnet

@oleh_ps

C2

176.123.7.190:32927

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

stealc

C2

http://77.91.76.36

Attributes
  • url_path

    /3886d2276f6914c4.php

rc4.plain

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

lumma

C2

http://attachmentartikidw.fun/api

http://soupinterestoe.fun/api

Targets

    • Target

      decb9079be59c91e1fdb083b8ddea789.exe

    • Size

      6.1MB

    • MD5

      decb9079be59c91e1fdb083b8ddea789

    • SHA1

      c49fe68121c83cdff4c3fb8f479a6beb40ea026d

    • SHA256

      50ca2730d4feb93b8d6cf986a86b34912d83c10dd7d7259d3538d415c904af73

    • SHA512

      883095a25ab1b9c6e97664c8a197002107c60ad3b1c1aaff0e96063c1eb4637c86a6ca701f2ed0f34616cf88de473c98837866eb425b0f74d1f151043956e41b

    • SSDEEP

      196608:MKLGHst81fO319A0qdHJCVK8QtzapwUdfvY5:p/oGsTdHJ/Yw2fc

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Detect Lumma Stealer payload V4

    • Detect ZGRat V1

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • RedLine

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

    • RedLine payload

    • Rhadamanthys

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Stealc

      Stealc is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Async RAT payload

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

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • 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

    • Loads dropped DLL

    • Modifies file permissions

    • 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.

    • Registers COM server for autorun

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses Microsoft Outlook profiles

    • 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

    • 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.

    • Detected potential entity reuse from brand paypal.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks