General

  • Target

    b54c24558cf6e2625c473b5703aa2fe21887b7434377fe1d868966a57c5bc483

  • Size

    142KB

  • Sample

    210829-8jg4gmsjva

  • MD5

    88d7e4d97668f06068ec238fabc59d82

  • SHA1

    c5ded1e34d8b1aaa62d8fcc45f245ebe3922baed

  • SHA256

    b54c24558cf6e2625c473b5703aa2fe21887b7434377fe1d868966a57c5bc483

  • SHA512

    0629a9226af34f4f0c573a92cf567952c46acd6b707e0c576189ac96999d7ca24c00e0d19e428672566aa4dc72778c1d39053b296d6441946db4c646d6728f68

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: 3AB-4F6-103 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

nn

C2

135.181.49.56:47634

Extracted

Family

raccoon

Botnet

d02c5d65069fc7ce1993e7c52edf0c9c4c195c81

Attributes
  • url4cnc

    https://telete.in/open3entershift

rc4.plain
rc4.plain

Targets

    • Target

      b54c24558cf6e2625c473b5703aa2fe21887b7434377fe1d868966a57c5bc483

    • Size

      142KB

    • MD5

      88d7e4d97668f06068ec238fabc59d82

    • SHA1

      c5ded1e34d8b1aaa62d8fcc45f245ebe3922baed

    • SHA256

      b54c24558cf6e2625c473b5703aa2fe21887b7434377fe1d868966a57c5bc483

    • SHA512

      0629a9226af34f4f0c573a92cf567952c46acd6b707e0c576189ac96999d7ca24c00e0d19e428672566aa4dc72778c1d39053b296d6441946db4c646d6728f68

    • Buran

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

    • Raccoon

      Simple but powerful infostealer which was very active 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Turns off Windows Defender SpyNet reporting

    • UAC bypass

    • Windows security bypass

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

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

    • Nirsoft

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • 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