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Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.
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March 21, 2023Severity Medium Analysis Summary Rhadamanthys is a type of malware known as a stealer, which is designed to steal sensitive information from infected computers. It was […]March 21, 2023Severity High Analysis Summary The Mirai botnet is a type of malware that infects Internet of Things (IoT) devices, such as routers, security cameras, and other […]March 21, 2023Severity High Analysis Summary LockBit ransomware takes as little as five minutes to deploy the encryption routine on target systems once it lands on the victim […]Threat Insights
Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.
Connect with Us
Platform
Managed Security Services
Managed Penetration Testing
Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.
Resources
March 21, 2023Severity Medium Analysis Summary Rhadamanthys is a type of malware known as a stealer, which is designed to steal sensitive information from infected computers. It was […]March 21, 2023Severity High Analysis Summary The Mirai botnet is a type of malware that infects Internet of Things (IoT) devices, such as routers, security cameras, and other […]March 21, 2023Severity High Analysis Summary LockBit ransomware takes as little as five minutes to deploy the encryption routine on target systems once it lands on the victim […]Threat Insights
Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.
Connect with Us
Rewterz Threat Advisory –ICS: Siemens SiPass integrated AC5102, ACC-G2 and ACC-AP devices Vulnerability
February 17, 2023Rewterz Threat Update – Oakland Declares A Local State Of Emergency After A Ransomware Attack
February 17, 2023
Severity
High
Analysis Summary
The STOP/DJVU ransomware initially made headlines in 2018 and has since been attacking individuals all around the world. It’s widespread on torrent sites and other platforms in software crack packages and adware bundles.DJVU Ransomware is a type of malicious software that encrypts the files on an infected computer and demands a ransom payment in exchange for the decryption key. The STOP/DJVU Ransomware family is one of the most prevalent ransomware threats and is known for its aggressive tactics and high-pressure ransom demands.
Malware is delivered via cracked applications, fake set-up apps keygens, activators, and Windows updates. It does not utilize local information like keyboard layouts or timezone settings to prevent infecting victims in certain countries; instead, it uses the information returned by a request to https[:]//api.2ip.ua/geo.json. The card’s MAC address is utilized to provide unique identification for the system. This identity is provided to STOP’s command and control server, which responded with an RSA-2048 public key for encryption. Additional malware, including an information stealer known as Vidar, is then downloaded and installed.
ransom note
Impact
- Information Theft
- File Encryption
Indicators of Compromise
MD5
- 6698f16c7ba19114051877c9d33eb69f
- b01a66a4ffdc6b95cd9c392a03ec43fa
- d0c450199d3b304ae14673b5adebc79e
- b65a4f2e8b875845f9ac4dd711269e0e
SHA-256
- 468b111227d8507dc206e9185bd1f5c39f5256fb7619db0939cdea73b09faa4a
- cbaea8bb3488b85a03e6285aada02b3d89ab0263fa31627cc0430c710a8db703
- db0716ae57becbcd7eacd43290fae0709111f437e6ed9e316dd255ccb3d7398d
- fa36cc9a167fb4034f8525417dc3d9adeab06ec4d7f85d3d750095f17a7a41e6
SHA-1
- 3a0ff9ad37b183f1b3d2d44638ef9ca35134ef1b
- ee76990db76f909aecf3692ff0586bdc1d3eec8c
- bb0048e76a4dbbba54c4979e3ac3ecd2c3540e8b
- 25a49658a74f0be07ddbb634cac666539940c4da
Remediation
- Block all threat indicators at your respective controls.
- Search for Indicators of compromise (IOCs) in your environment utilizing your respective security controls
- Maintain cyber hygiene by updating your anti-virus software and implementing a patch management lifecycle.
- Maintain Offline Backups – In a ransomware attack, the adversary will often delete or encrypt backups if they have access to them. That’s why it’s important to keep offline (preferably off-site), encrypted backups of data and test them regularly.
- Emails from unknown senders should always be treated with caution.
- Never trust or open ” links and attachments received from unknown sources/senders.