General

  • Target

    49a44d2ebaf37e4b23896a3630261d7b9f79246fcbad35994159b35983f178dd

  • Size

    300KB

  • Sample

    210831-vsz8j8fl2e

  • MD5

    591b93e69671e4091c591f8f9d186b43

  • SHA1

    d497ac1b139d49c7a454c903b5caad3a49765146

  • SHA256

    49a44d2ebaf37e4b23896a3630261d7b9f79246fcbad35994159b35983f178dd

  • SHA512

    9536af37e4bf4bba03afb984830eac36bdf56c1ea73c36a7f67a275f2c00345b5f4a04d4ad23316e7cffdd1f6949cbabfbf6172a16ff262b353900fd99e78ac7

Malware Config

Extracted

Path

C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT

Family

buran

Ransom Note
!!! ALL YOUR FILES ARE ENCRYPTED !!! All your files, documents, photos, databases and other important files are encrypted. You are not able to decrypt it by yourself! The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. PAY FAST 500$=0.013 btc or the price will increase tomorrow bitcoin address bc1qqxnp9z0ff8x852dyflp5r9r6rzse8jl5hzmqz8 To be sure we have the decryptor and it works you can send an email: [email protected] and decrypt one file for free. But this file should be of not valuable! Do you really want to restore your files? [email protected] TELEGRAM @ payfast290 Your personal ID: 286-6EA-0C8 Attention! * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss. * Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

http://readinglistforaugust5.site/

http://readinglistforaugust6.site/

http://readinglistforaugust7.site/

http://readinglistforaugust8.site/

http://readinglistforaugust9.site/

http://readinglistforaugust10.site/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

gop1

C2

185.234.247.197:33071

Targets

    • Target

      49a44d2ebaf37e4b23896a3630261d7b9f79246fcbad35994159b35983f178dd

    • Size

      300KB

    • MD5

      591b93e69671e4091c591f8f9d186b43

    • SHA1

      d497ac1b139d49c7a454c903b5caad3a49765146

    • SHA256

      49a44d2ebaf37e4b23896a3630261d7b9f79246fcbad35994159b35983f178dd

    • SHA512

      9536af37e4bf4bba03afb984830eac36bdf56c1ea73c36a7f67a275f2c00345b5f4a04d4ad23316e7cffdd1f6949cbabfbf6172a16ff262b353900fd99e78ac7

    • Buran

      Ransomware-as-a-service based on the VegaLocker family first identified in 2019.

    • RedLine

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

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

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

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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 v6

Tasks