General

  • Target

    4173146820be8f17a7e9844eb5ece68e_JaffaCakes118

  • Size

    832KB

  • Sample

    241013-xa3cds1gqh

  • MD5

    4173146820be8f17a7e9844eb5ece68e

  • SHA1

    fb3d4d36f0cfa19c30bb45459aec670168122a6f

  • SHA256

    79fed2e5e69917f98a8b508a772a6bd95a3f0ab84d27998e9e23f66db1aae06f

  • SHA512

    3abf44530e68c51415ad75afcd391bb5fb272671718a799b86b99226bb124a6c86ccfd087b4bb477f4425ff50d66abdf0cb562cced914030b9b853b44810f999

  • SSDEEP

    24576:HGZEEavMjfaZpl08b0PJzxWugguPodMdu95nuH:m4vMjfgpSNPJzCLPeMdGn

Malware Config

Extracted

Family

djvu

C2

http://astdg.top/fhsgtsspen6/get.php

Attributes
  • extension

    .reqg

  • offline_id

    ioYmb0jtMMtue7xjmkS3WQWGWLR8FTQhb2giQtt1

  • payload_url

    http://securebiz.org/dl/build2.exe

    http://astdg.top/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-jTbSQT8ApY Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0324gDrgo

rsa_pubkey.plain

Targets

    • Target

      4173146820be8f17a7e9844eb5ece68e_JaffaCakes118

    • Size

      832KB

    • MD5

      4173146820be8f17a7e9844eb5ece68e

    • SHA1

      fb3d4d36f0cfa19c30bb45459aec670168122a6f

    • SHA256

      79fed2e5e69917f98a8b508a772a6bd95a3f0ab84d27998e9e23f66db1aae06f

    • SHA512

      3abf44530e68c51415ad75afcd391bb5fb272671718a799b86b99226bb124a6c86ccfd087b4bb477f4425ff50d66abdf0cb562cced914030b9b853b44810f999

    • SSDEEP

      24576:HGZEEavMjfaZpl08b0PJzxWugguPodMdu95nuH:m4vMjfgpSNPJzCLPeMdGn

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Renames multiple (154) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Modifies file permissions

    • Adds Run key to start application

    • 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 v15

Tasks