General

  • Target

    random.exe

  • Size

    2.1MB

  • Sample

    250219-2943gs1mhs

  • MD5

    57dbb3339312da8b04a3e067ca47dcae

  • SHA1

    2a5c573173a5b8b770a955ade295720e6d634cbb

  • SHA256

    4baf8a7e88b5ef57ea5ac4db9a9b3ed867170305bf0ddf59f7f87b8d823cfe14

  • SHA512

    340ec0e6bfef7e04b11ffa13c838aac83933d6a75869a4c7c41b188df1a501d621c607f40b75aa3516c4a662e0e4c575f5b15cb138721b7cf47e73e7051d50d4

  • SSDEEP

    49152:vIkSVA3kJEuWX8Xzeiqhx+mpiME+a6Xty0afl:vIky7JEuWX8XyiQJfOfl

Malware Config

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

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/defend/random.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/mine/random.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/mine/random.exe

Extracted

Family

systembc

C2

cobolrationumelawrtewarms.co:4001

93.186.202.3:4001

Attributes
  • dns

    5.132.191.104

    ns1.vic.au.dns.opennic.glue

    ns2.vic.au.dns.opennic.glue

Extracted

Family

redline

Botnet

cheat

C2

103.84.89.222:33791

Extracted

Family

stealc

Botnet

default

C2

http://ecozessentials.com

Attributes
  • url_path

    /e6cb1c8fc7cd1659.php

Extracted

Family

cryptbot

C2

http://home.fivenn5sr.top/DoDOGDWnPbpMwhmjDvNk17

Targets

    • Target

      random.exe

    • Size

      2.1MB

    • MD5

      57dbb3339312da8b04a3e067ca47dcae

    • SHA1

      2a5c573173a5b8b770a955ade295720e6d634cbb

    • SHA256

      4baf8a7e88b5ef57ea5ac4db9a9b3ed867170305bf0ddf59f7f87b8d823cfe14

    • SHA512

      340ec0e6bfef7e04b11ffa13c838aac83933d6a75869a4c7c41b188df1a501d621c607f40b75aa3516c4a662e0e4c575f5b15cb138721b7cf47e73e7051d50d4

    • SSDEEP

      49152:vIkSVA3kJEuWX8Xzeiqhx+mpiME+a6Xty0afl:vIky7JEuWX8XyiQJfOfl

    • 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 Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • Healer family

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

    • RedLine

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

    • Redline family

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Sectoprat family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Systembc family

    • Enumerates VirtualBox registry keys

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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.

    • 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

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks