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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
May 30, 2023
Severity High Analysis Summary Recently, researchers discovered an advanced phishing method called “file archiver in the browser” that exploits .ZIP domains to deceive unsuspecting individuals. This […]May 28, 2023Severity High Analysis Summary An email protection and network security services provider has issued a warning regarding a zero-day vulnerability that has been exploited to compromise […]May 26, 2023Severity High Analysis Summary CVE-2023-32165 CVSS:9.8 D-Link D-View could allow a remote attacker to execute arbitrary code on the system, caused by a flaw in TftpReceiveFileHandler […]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
May 30, 2023Severity High Analysis Summary Recently, researchers discovered an advanced phishing method called “file archiver in the browser” that exploits .ZIP domains to deceive unsuspecting individuals. This […]May 28, 2023Severity High Analysis Summary An email protection and network security services provider has issued a warning regarding a zero-day vulnerability that has been exploited to compromise […]May 26, 2023Severity High Analysis Summary CVE-2023-32165 CVSS:9.8 D-Link D-View could allow a remote attacker to execute arbitrary code on the system, caused by a flaw in TftpReceiveFileHandler […]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 Alert – ServHelper Backdoor – Active IOCs
October 20, 2021
Rewterz and Cisco Celebrate Another Year of a Successful Partnership
October 20, 2021
Severity
Medium
Analysis Summary
FormBook is an information-stealer malware that has been active since 2016. The info-stealer malware’s capabilities include stealing credentials, capturing screenshots of victim’s desktop, monitoring clipboard, keystroke logging, clearing browser cookies, downloading and executing files, uploading and removing bots, launching commands via ShellExecute, downloading and unpacking ZIP archive, rebooting and shutting down the system. The attackers behind these email campaigns used a variety of distribution techniques to deliver the FormBook info-stealer, including PDFs, Office Documents, ZIP, RAR, etc. Some of these files are related to quotation requests.
Impact
- Credential theft
- Keystroke logging
- Data Theft
Indicators of Compromise
MD5
- 2109a0431e1e8fbce8007bc6dbdc8d2d
- 73fe142254abec3aeaef375f0564d40a
- 6688b944bbe2c16a001b55af8fae2b4f
- c78d5e89ebecb4d88d3ab36bc47fd7ba
- a57eae9a4b70129d94eae5f5bc5a2939
- 0abc1f2ac325ab9baa7903f5a9e7d0cb
SHA-256
- 520857c7a5bfaeebf0f39504ae85d32b7e153774e93cb2be486f9a5d35b76d05
- 19428f9c431fb0f8d6fbd9ca194589bacf9d9d3e475717031373b71982bea2a5
- fc9ba22e8b90dbfe7b8b4b8450f2a93227c949d57395f59a0cedd30c78f05697
- 9b6b00b331ea48d5477fbd0ec6e168407dcec59c758eb797c9672d2f74dba12a
- 07c7a41786056d743595613eb30cfe00645998237670b947f6884c20ad87c252
- 58877fce8fc8226d8ed82e6db80af591acc24372286f86518908b934ddc65e57
SHA-1
- f85d1cfa01ca893063af01510115bc279da84c2a
- 8529d972dd89f69eb2dc2a3ba9207e67626de9b9
- f6e49b9afdf26663c8f2819cdf02ea7c138c3bb3
- 476733e0eb88a9dce2a65200c23ddd0d5f2b3496
- 52409b7efe9e8f224c7bb7197fb6168ce9e0cd58
- d15ff8fc05ca6618fa17133190d3c0d0736922fd
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.