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 19, 2023Severity Medium Analysis Summary CVE-2022-42436 IBM MQ Managed File Transfer could allow a local user to obtain sensitive information from diagnostic files. Impact Indicators Of Compromise […]March 19, 2023Severity Medium Analysis Summary CVE-2023-0027 Rockwell Automation Modbus TCP AOI Server could allow a remote attacker to obtain sensitive information. By sending a malformed message, an […]March 17, 2023Severity High Analysis Summary CVE-2023-27984 CVSS:7.8 Schneider Electric IGSS could allow a remote attacker to execute arbitrary code on the system, caused by improper input validation […]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 19, 2023Severity Medium Analysis Summary CVE-2022-42436 IBM MQ Managed File Transfer could allow a local user to obtain sensitive information from diagnostic files. Impact Indicators Of Compromise […]March 19, 2023Severity Medium Analysis Summary CVE-2023-0027 Rockwell Automation Modbus TCP AOI Server could allow a remote attacker to obtain sensitive information. By sending a malformed message, an […]March 17, 2023Severity High Analysis Summary CVE-2023-27984 CVSS:7.8 Schneider Electric IGSS could allow a remote attacker to execute arbitrary code on the system, caused by improper input validation […]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 – CVE-2021-1223 – Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability
May 3, 2021Rewterz Threat Alert – Kimsuky APT group – IOCs
May 3, 2021
Severity
High
Analysis Summary
The group recognized as UNC2447 is found exploiting the SonicWall VPN zero-day vulnerability since a patch has not rolled out for the exploit yet. The malware being deployed was previously prevalent with the name “SOMBRAT.” SOMBRAT is being used for ransomware – which was not previously reported.
FIVEHANDS ransomware is first used by the group and later on the victims are extorted through media attention and data sale threats. The group targets organizations in Europe and North America. They have also displayed advanced capabilities of evading detection and minimize post-intrusion forensics.
UNC2447 was previously found using RAGNARLOCKER ransomware. HELLOKITTY and FIVEHANDS were used by the system and HELLOKITTY was being used from May 2020 to December 2020, and FIVEHANDS is being actively used since then.
Impact
Files Encryption
Indicators of Compromise
Domain Name
- Cosarm[.]com
- Portalcos[.]com
MD5
- 87c78d62fd35bb25e34abb8f4caace4a
- 6382d48fae675084d30ccb69b4664cbb
- 39ea2394a6e6c39c5d7722dc996daf05
- f568229e696c0e82abb35ec73d162d5e
- 6c849920155f48d4b4aafce0fc49eb5b
- 22d35005e926fe29379cb07b810a6075
- 57824214710bc0cdb22463571a72afd0
- 87c0b190e3b4ab9214e10a2d1c182153
- 1b0b9e4cddcbcb02affe9c8124855e58
- 46ecc24ef6d20f3eaf71ff37610d57d1
- 1a79b6d169aac719c9323bc3ee4a8361
- a64d79eba40229ae9aaebbd73938b985
SHA-256
- 61e286c62e556ac79b01c17357176e58efb67d86c5d17407e128094c3151f7f9
- 99baffcd7a6b939b72c99af7c1e88523a50053ab966a079d9bf268aff884426e
- 61e286c62e556ac79b01c17357176e58efb67d86c5d17407e128094c3151f7f9
- 02a08b994265901a649f1bcf6772bc06df2eb51eb09906af9fd0f4a8103e9851
- c2498845ed4b287fd0f95528926c8ee620ef0cbb5b27865b2007d6379ffe4323
- dc007e71085297883ca68a919e37687427b7e6db0c24ca014c148f226d8dd98f
- 947e357bfdfe411be6c97af6559fd1cdc5c9d6f5cea122bf174d124ee03d2de8
- ef614b456ca4eaa8156a895f450577600ad41bd553b4512ae6abf3fb8b5eb04e
- bade05a30aba181ffbe4325c1ba6c76ef9e02cbe41a4190bd3671152c51c4a7b
- 52dace403e8f9b4f7ea20c0c3565fa11b6953b404a7d49d63af237a57b36fd2a
- a147945635d5bd0fa832c9b55bc3ebcea7a7787e8f89b98a44279f8eddda2a77
- 0e5f7737704c8f25b2b8157561be54a463057cd4d79c7e016c30a1cf6590a85c
- 7be901c5f7ffeb8f99e4f5813c259d0227335680380ed06df03fb836a041cb06
SHA1
- ffa5e945264288d4dec91d6871636f67624fd6ea
- 0b4aeaff91b347197310fcbd432e2fe06d583b57
- ca010ca1e7d5104049c09eefca128cc0e50729e1
- 71889fdf2d7616f366c38072ef3d24b021068ab8
- e8044ecd514574b71c353a9b640c8d6705a8051c
- a0181227dcb49b9417b468eeb38a2f8655553409
- dc8595989fc1bc784138b56cf32e8b194f425727
- 2c916c1c094e35577ca0b863168dee48991f1a2c
- 8fb41b6d5186cc996b4b92e812407a1adee8932f
- 2342cc02a5ac26fd78603ac82e2d90e1b54ff71f
- c4a1eb629133a63dbfc7bdae189bfa73168c260c
- e6e4f57df5c0db2aa0d64ca7b5fb65a4395e3b5f
Remediation
- Download and install the latest patches for browsers.
- Be vigilant while browsing the internet and do not open spam email.
- Beware of suspicious users and emails.