General

  • Target

    4f2b899794b2d6a919315f5c36c6933786744c09f10ccb2b4c2cd8001d121328

  • Size

    1.8MB

  • Sample

    240328-vkryasbc4x

  • MD5

    49f89f83647e54b0f496f20b0df58e1e

  • SHA1

    5c2f8a91817f95d4878297313ffd70255307a949

  • SHA256

    4f2b899794b2d6a919315f5c36c6933786744c09f10ccb2b4c2cd8001d121328

  • SHA512

    73587f588cae207b17b20560feb55666f3f37b73dbf3a2e1d0359fdbb811b447b4e11bca7b033bfb9e55f85a51872320b6260913b6655ec8cbe0fbc9ab486048

  • SSDEEP

    49152:CQn88Fvx4hPTXsF8Q/ZfswF4lFQq7uixtv:9nr8Q/KwylFruQtv

Malware Config

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

redline

Botnet

@OLEH_PSP

C2

185.172.128.33:8970

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Extracted

Family

redline

Botnet

Jok123

C2

185.215.113.67:26260

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

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Targets

    • Target

      4f2b899794b2d6a919315f5c36c6933786744c09f10ccb2b4c2cd8001d121328

    • Size

      1.8MB

    • MD5

      49f89f83647e54b0f496f20b0df58e1e

    • SHA1

      5c2f8a91817f95d4878297313ffd70255307a949

    • SHA256

      4f2b899794b2d6a919315f5c36c6933786744c09f10ccb2b4c2cd8001d121328

    • SHA512

      73587f588cae207b17b20560feb55666f3f37b73dbf3a2e1d0359fdbb811b447b4e11bca7b033bfb9e55f85a51872320b6260913b6655ec8cbe0fbc9ab486048

    • SSDEEP

      49152:CQn88Fvx4hPTXsF8Q/ZfswF4lFQq7uixtv:9nr8Q/KwylFruQtv

    • 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 ZGRat V1

    • RedLine

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

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • 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

    • 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.

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • UPX packed file

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

    • 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.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks