General

  • Target

    a43cb60342d45b1af2956ac3fdee2c53b6c422019c3b9d4364e4fd206d5ea4ef

  • Size

    169KB

  • Sample

    240313-bmc3daad22

  • MD5

    477968a934bc5dc7f921249935e18e2e

  • SHA1

    9cdd3577f33ea53a2767d5066e821dbc34e52dc7

  • SHA256

    a43cb60342d45b1af2956ac3fdee2c53b6c422019c3b9d4364e4fd206d5ea4ef

  • SHA512

    1d704894cd3b846fa9c5daacb5ef91c7f08a21f64d9c029841d5eee7b164434481d5ee9bd362723ebf90f48325cf465a8a91f4f744fc7a1941a3fd3d5fdcd826

  • SSDEEP

    3072:uMwO5KfkoZi+dg2Dc4U+vrRNYtlhRZOc+TH+:52f9B2244VlWhRZr+S

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://trad-einmyus.com/index.php

http://tradein-myus.com/index.php

http://trade-inmyus.com/index.php

rc4.i32
rc4.i32

Extracted

Family

djvu

C2

http://sajdfue.com/test1/get.php

Attributes
  • extension

    .wisz

  • offline_id

    4p0Nzrg1q0ND5of5Gtp2UBjthSXuE8VxnMrd4vt1

  • payload_url

    http://sdfjhuz.com/dl/build2.exe

    http://sajdfue.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/a832401adcd58098c699f768ffea4f1720240305114308/7e601a Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0853PsawqS

rsa_pubkey.plain

Extracted

Family

vidar

Version

8.2

Botnet

7462cf1e49890509e46ee7ab1b511527

C2

https://steamcommunity.com/profiles/76561199651834633

https://t.me/raf6ik

Attributes
  • profile_id_v2

    7462cf1e49890509e46ee7ab1b511527

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; rv:109.0) Gecko/20100101 Firefox/115.0

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

stealc

C2

http://94.156.8.100

Attributes
  • url_path

    /5dce321003e6a6b5.php

Extracted

Family

lumma

C2

https://resergvearyinitiani.shop/api

https://associationokeo.shop/api

Targets

    • Target

      a43cb60342d45b1af2956ac3fdee2c53b6c422019c3b9d4364e4fd206d5ea4ef

    • Size

      169KB

    • MD5

      477968a934bc5dc7f921249935e18e2e

    • SHA1

      9cdd3577f33ea53a2767d5066e821dbc34e52dc7

    • SHA256

      a43cb60342d45b1af2956ac3fdee2c53b6c422019c3b9d4364e4fd206d5ea4ef

    • SHA512

      1d704894cd3b846fa9c5daacb5ef91c7f08a21f64d9c029841d5eee7b164434481d5ee9bd362723ebf90f48325cf465a8a91f4f744fc7a1941a3fd3d5fdcd826

    • SSDEEP

      3072:uMwO5KfkoZi+dg2Dc4U+vrRNYtlhRZOc+TH+:52f9B2244VlWhRZr+S

    • Amadey

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

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Vidar Stealer

    • Detect ZGRat V1

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Lumma Stealer

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Stealc

      Stealc is an infostealer written in C++.

    • UAC bypass

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • ZGRat

      ZGRat is remote access trojan written in C#.

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • 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.

    • Deletes itself

    • 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

    • Modifies file permissions

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Uses the VBS compiler for execution

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks