General

  • Target

    7e7c52eec6b1ec095b4b2f5810e5ce3b4f25edb3d03a53fbd9364dddc761d920

  • Size

    176KB

  • Sample

    210826-jbpl7eqnnn

  • MD5

    a655e008a816702d96bb60a7750db474

  • SHA1

    073f70251d0212227062ebe059d746e48d6c0b51

  • SHA256

    7e7c52eec6b1ec095b4b2f5810e5ce3b4f25edb3d03a53fbd9364dddc761d920

  • SHA512

    c55fe83e749bb8632ff363cf92dad2785e50b6b3d3a098a4bc2668b1b49c0b429647ee4f696b4de4f8067d91ea7c34e483c118a97c75368bd4d739633c189e2c

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: 7BB-972-9BE 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

      7e7c52eec6b1ec095b4b2f5810e5ce3b4f25edb3d03a53fbd9364dddc761d920

    • Size

      176KB

    • MD5

      a655e008a816702d96bb60a7750db474

    • SHA1

      073f70251d0212227062ebe059d746e48d6c0b51

    • SHA256

      7e7c52eec6b1ec095b4b2f5810e5ce3b4f25edb3d03a53fbd9364dddc761d920

    • SHA512

      c55fe83e749bb8632ff363cf92dad2785e50b6b3d3a098a4bc2668b1b49c0b429647ee4f696b4de4f8067d91ea7c34e483c118a97c75368bd4d739633c189e2c

    • 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.

    • 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