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Severity
High
Analysis Summary
Sidewinder is a suspected Indian threat actor group that has been active since 2012. They have 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 some of the other names for Sidewinder APT. It has been detected targeting Pakistani government officials with a decoy file related to COVID-19 in its most recent effort. 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.
Staying attentive while receiving an email from an unknown sender, utilizing a reputable anti-malware solution, and avoiding clicking on suspicious links or files are some of the remediations for this APT.
Impact
- Information Theft and Espionage
Indicators of Compromise
MD5
- c8e1010b7ee1647b582048bfd67a9e0e
- 04effbbd901879abcd2834e530d5e9ad
- 7bcdef8e11c27e65e7016d145a24d195
- 6162005b9ae5d4a8070bfe5f560b0912
- c19201cbd7ad2221844268c0ba694a3a
- 277955afbf4ca44a018961f66a603f82
SHA-256
- 1a9d8b16ef6132884161bd820fe24cbfc8dc9514c3b31d7eacf4de707899dd6a
- f7eb8fdb6eabb2fb64314c898c621c4aedb8c167c50bd62ad799fa2c0bc306b6
- 5e1ac5f28b37afc3b2a1902ee7c68485b3fcc55d648ff9e5309646a77ff53882
- d8aa512b03a5fc451f9b7bc181d842936798d5facf1b20a2d91d8fdd82aa28b7
- f44fd723398e148f7d437d22a417fd5b4c4f835a7b5a7c1624706e942320afa4
- 319bd26ad751a79b1b1c474749d3d856277b712f1eca3b1a88a8605a8f2facaf
SHA-1
- 2a71114f70b711da6b46e2e35562e4326e09d8bc
- a683f08912a3c845f0360f52a399f1774f9158c2
- c15a35dfbae4789b62b88ab268c5849255837edd
- b4928e4c3a8787e0461e2e78138091134c7f719a
- 3669f18e92eed9f4a0a8ee3df284798ff7a7a232
- d3862d50c36d03bab2d6b3f78c17f2fdd0704451
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.