General

  • Target

    6c2d199bf80aab2107567e6ae13ae6b9f71d2cdc39d0929fed7fdab34832db39.exe

  • Size

    1.8MB

  • Sample

    250207-fly1nszkcs

  • MD5

    fb0a8159ca9d2004a4aae12d5a541cee

  • SHA1

    07cd4a3ae97ba6964fd671fa0e644a6513c47f30

  • SHA256

    6c2d199bf80aab2107567e6ae13ae6b9f71d2cdc39d0929fed7fdab34832db39

  • SHA512

    58c5747b68c7383d9a2984b2062d604dcc7124abee4b2f0152905fc031a9a40b03eb36741895532e58d0c0f1661b2b6531d9c2c8e93f371697237c0f95f82e56

  • SSDEEP

    49152:5YBFpPNa4EkeEMOmrjtrY+hKdNlh+P/jr0lVyecGPlu4:iBFFN4Gmrjtr7ENlEHcluGPlh

Malware Config

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

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

Extracted

Family

redline

Botnet

cheat

C2

103.84.89.222:33791

Extracted

Family

lumma

C2

https://paleboreei.biz/api

https://rampnatleadk.click/api

https://cozyhomevpibes.cyou/api

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/mine/random.exe

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

159.100.19.137:7707

Mutex

yBu0GW2G5zAc

Attributes
  • delay

    3

  • install

    false

  • install_file

    svchost.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      6c2d199bf80aab2107567e6ae13ae6b9f71d2cdc39d0929fed7fdab34832db39.exe

    • Size

      1.8MB

    • MD5

      fb0a8159ca9d2004a4aae12d5a541cee

    • SHA1

      07cd4a3ae97ba6964fd671fa0e644a6513c47f30

    • SHA256

      6c2d199bf80aab2107567e6ae13ae6b9f71d2cdc39d0929fed7fdab34832db39

    • SHA512

      58c5747b68c7383d9a2984b2062d604dcc7124abee4b2f0152905fc031a9a40b03eb36741895532e58d0c0f1661b2b6531d9c2c8e93f371697237c0f95f82e56

    • SSDEEP

      49152:5YBFpPNa4EkeEMOmrjtrY+hKdNlh+P/jr0lVyecGPlu4:iBFFN4Gmrjtr7ENlEHcluGPlh

    • Amadey

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

    • Amadey family

    • AsyncRat

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

    • Asyncrat 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.

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner family

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • 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

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty 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.

    • .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.

    • 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 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.

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks