General

  • Target

    a4c4d5ed92a05d90fb2e557943350d10.exe

  • Size

    6.1MB

  • Sample

    231220-bjx85sdfhr

  • MD5

    a4c4d5ed92a05d90fb2e557943350d10

  • SHA1

    3c7b8f6aceedddfb399d374aec97f67058a8613b

  • SHA256

    f196e69cb49c0c71535746085983f00f8006a2df7c74a177cf6cb30c601eaaf5

  • SHA512

    0eb4e8aebb7d0e4e682e29080a03742dcb0cfe9d2a2ac7033275e9c6ca045b252f526a525cd8cd982b3ca9cbf5e70a1481732124e4987a2e3322a6cb247436e8

  • SSDEEP

    98304:7kJTGWGG93tuddTRciQ2KgADhOFbh1F1YZm5lX2m/M1gVfEMtDyrWpKeS+oOYb:7/WXtSkJzDIFbzFFX2mE1gJZ1yrWHR0

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

smokeloader

Botnet

up3

Extracted

Family

redline

Botnet

@oleh_ps

C2

176.123.7.190:32927

Extracted

Family

redline

Botnet

LiveTraffic

C2

77.105.132.87:17066

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Extracted

Family

stealc

C2

http://77.91.76.36

Attributes
  • url_path

    /3886d2276f6914c4.php

rc4.plain

Targets

    • Target

      a4c4d5ed92a05d90fb2e557943350d10.exe

    • Size

      6.1MB

    • MD5

      a4c4d5ed92a05d90fb2e557943350d10

    • SHA1

      3c7b8f6aceedddfb399d374aec97f67058a8613b

    • SHA256

      f196e69cb49c0c71535746085983f00f8006a2df7c74a177cf6cb30c601eaaf5

    • SHA512

      0eb4e8aebb7d0e4e682e29080a03742dcb0cfe9d2a2ac7033275e9c6ca045b252f526a525cd8cd982b3ca9cbf5e70a1481732124e4987a2e3322a6cb247436e8

    • SSDEEP

      98304:7kJTGWGG93tuddTRciQ2KgADhOFbh1F1YZm5lX2m/M1gVfEMtDyrWpKeS+oOYb:7/WXtSkJzDIFbzFFX2mE1gJZ1yrWHR0

    • Detect ZGRat V1

    • Detected google phishing page

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • 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#.

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

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • 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.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks