General

  • Target

    48d81158ea4d8260ab5c9743eb37e81d184eecd48f5747a26f1689cc4bb0b286

  • Size

    140KB

  • Sample

    210829-b5x2z1kht6

  • MD5

    c9facdcf31e12cfacabdd7a50bc8e4c8

  • SHA1

    eb85d2228cab428c24ef6ccf615e998c29aa7650

  • SHA256

    48d81158ea4d8260ab5c9743eb37e81d184eecd48f5747a26f1689cc4bb0b286

  • SHA512

    d03166813301e05e88dc8b7a0604ea59f243d551b2d8b034075d1de4c79f3b8b2009ad96e7bd301a6e9d75bdea9036d1c4a74ace43e2e5ca549119c50c023c29

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 590$=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: 83E-C4A-B39 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

C2

95.217.117.91:21361

Targets

    • Target

      48d81158ea4d8260ab5c9743eb37e81d184eecd48f5747a26f1689cc4bb0b286

    • Size

      140KB

    • MD5

      c9facdcf31e12cfacabdd7a50bc8e4c8

    • SHA1

      eb85d2228cab428c24ef6ccf615e998c29aa7650

    • SHA256

      48d81158ea4d8260ab5c9743eb37e81d184eecd48f5747a26f1689cc4bb0b286

    • SHA512

      d03166813301e05e88dc8b7a0604ea59f243d551b2d8b034075d1de4c79f3b8b2009ad96e7bd301a6e9d75bdea9036d1c4a74ace43e2e5ca549119c50c023c29

    • 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

    • 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.

    • 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