General

  • Target

    4c1193d1c9d066f646907ef8778da9f1b713b88cb94d9fa773d771b9612605fa

  • Size

    176KB

  • Sample

    210826-5vpvje1ls6

  • MD5

    c23ef86e3c6fac62234a1b4f1c550bff

  • SHA1

    c69221f2f61dee18b401f57b30d53fa01080aa38

  • SHA256

    4c1193d1c9d066f646907ef8778da9f1b713b88cb94d9fa773d771b9612605fa

  • SHA512

    ca00cfe508fb4d44f3e6fb35c0a753538e354a75a2e51f335a02d05fa704cc6283d9acf733fdae98ceaf24bbb13b559e3caa9ee8e5e4a16e7ff5d1f8deded9e8

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: 84D-CC0-12E 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

Targets

    • Target

      4c1193d1c9d066f646907ef8778da9f1b713b88cb94d9fa773d771b9612605fa

    • Size

      176KB

    • MD5

      c23ef86e3c6fac62234a1b4f1c550bff

    • SHA1

      c69221f2f61dee18b401f57b30d53fa01080aa38

    • SHA256

      4c1193d1c9d066f646907ef8778da9f1b713b88cb94d9fa773d771b9612605fa

    • SHA512

      ca00cfe508fb4d44f3e6fb35c0a753538e354a75a2e51f335a02d05fa704cc6283d9acf733fdae98ceaf24bbb13b559e3caa9ee8e5e4a16e7ff5d1f8deded9e8

    • Buran

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Executes dropped EXE

    • Deletes itself

    • Adds Run key to start application

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks