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September 22, 2023
Severity High Analysis Summary Ducktail Malware is a malicious program designed by hackers to infiltrate computers and networks globally. Ducktail malware is typically delivered through a […]September 22, 2023Severity Medium Analysis Summary First discovered in 2016, Revenge RAT is a remote access trojan (RAT) designed to give an attacker complete control over an infected […]September 22, 2023Severity High Analysis Summary The Konni APT (Advanced Persistent Threat) group is a cyber espionage group that has been active since at least 2014. It is […]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.
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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
September 22, 2023Severity High Analysis Summary Ducktail Malware is a malicious program designed by hackers to infiltrate computers and networks globally. Ducktail malware is typically delivered through a […]September 22, 2023Severity Medium Analysis Summary First discovered in 2016, Revenge RAT is a remote access trojan (RAT) designed to give an attacker complete control over an infected […]September 22, 2023Severity High Analysis Summary The Konni APT (Advanced Persistent Threat) group is a cyber espionage group that has been active since at least 2014. It is […]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 – RTF Royal Road Drops a New MFC C++ Backdoor and Links to Goblin Panda
August 25, 2020Rewterz Threat Alert – TA505 Active Again – IoCs
August 25, 2020
Severity
High
Analysis Summary
Recently, NSIS installers for fake VPN clients have been detected distributing Cobalt Strike. All of these installers drop “InsHelper.exe” which loads “c2hex”. Below is a sample VPN installer that deploys CobaltStrike using Side-Loading Technique via TaskServer.exe process. After download and execution, communication with C2 begins.
Impact
- System Compromise
- Network-wide attack
- Unauthorized access to information
Indicators of Compromise
MD5
- 7f5539fb392b465d0c40eea99f8b1fa3
- 7dc65336c95d13bb58cb9472eaa6872f
- e452dd334c0c1dbf4b5949095ebd0ef2
- 44071052bde88a61108a7e5e2dbdd210
- e078ae440ed5b50171f47afd3eb336c8
SHA-256
- 6be0e17ae33448f07aec1968f74962d021229792b60214780d4e56cc4c194e1d
- 0790e138f23c1335d30fae4b1cd42937f6c43b1300b40bc02c15f48f48aac6d7
- be96d1dd3a515e229b25183556c2dd3209f23bd2239dbf0b4791be31864311de
- 37abf46946d478f17de5b0f15c2d3a1ae79b7d41c48384cc0d3afb26e9c8ce57
- 9aa374e8bc755d6b49175a8644aa7c7e715062261b41ee98ae939b4dfe3975ea
SHA1
- e3cda43df2370dd5e07d8f8cac91921287a37de1
- 8347590b404cd8d1d084fef29dec1ac7af419b80
- f441d34a5eb36cc4a101d2abc8da5c03be72fed9
- 9171e0460e6dff6d2b98470b49282e09f9295e61
- 23314fa5cb70a12df64f430394e3a779da561b22
Source IP
- 116[.]85[.]25[.]159
- 39[.]101[.]207[.]158
URL
- https[:]//116[.]85[.]25[.]159/
- http[:]//116[.]85[.]25[.]159
- https[:]//39[.]101[.]207[.]158
- http[:]//39[.]101[.]207[.]158[:]39999/
- http[:]//39[.]101[.]207[.]158/
- http[:]//39[.]101[.]207[.]158
Remediation
- Block the threat indicators at their respective controls.
- Only use authentic VPNs downloaded from official sources.
- Do not download random untrusted software from random sources on the internet.