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July 25, 2022Severity
High
Analysis Summary
Sidewinder is a suspected Indian threat actor group that has been active since 2012. They have been observed attacking political, military, and corporate organizations throughout Asia, with Pakistan, China, Nepal, and Afghanistan being the most common targets. RAZOR TIGER, Rattlesnake, APT-C-17, and T-APT-04 are the aliases for Sidewinder APT. This APT has been targeting Pakistani government officials with a decoy file related to FOCUSED TALK ON RUSSIAN UKRAINE CONFLICT IMPACT ON PAKISTAN. They employ custom implementations to attack existing vulnerabilities and then deploy a Powershell payload in the final stages to distribute the malware. Sidewinder was also detected employing credential phishing sites that were copied from their victims’ webmail login pages.
In June, 2022, researchers discovered a new malicious infrastructure and a custom tool of the APT group SideWinder (aka Rattlesnake, Hardcore Nationalist, RAZOR TIGER, T-APT-04, and APT-C-17), a threat actor originating from India and particularly targeting Pakistan. SideWinder.AntiBot.Script, a newly found bespoke tool, was utilized in a phishing attack against Pakistani targets.
In July, cyberattacks by Sidewinder APT targeted Pakistani military targets. According to researchers, the Pakistan Air Force Headquarters was the target of the latest Sidewinder strike. While malware file analysis on Virus Total frequently exposes the identification of the attack campaign’s targets, it is unusual to find proof that the attack was successful.
Impact
- Information Theft and Espionage
Indicators of Compromise
Domain Name
- finance[.]paf-gov[.]org
MD5
- af61b84ae374a1ab8f58850cdfcaf367
- 07f107cf0061a9640f4de376c4dee6de
SHA-256
- 39eb1d2f55bd8f8b4596929b8b84612036189192547399205416ffb083a9b70c
- a28a5417d707ecae61313bd5b7c53736d40afba2280cd7ae673963075ae37072
SHA-1
- f9b237bc1c5ac368eec432263d3115636b416a2f
- f132540ad50b3bdca7363dfa11e2b5417b6c2add
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.