General
-
Target
2024-06-11_17e17cfcd5a54564a4f8fa7de2724135_ryuk
-
Size
5.4MB
-
Sample
240611-e63zpavalb
-
MD5
17e17cfcd5a54564a4f8fa7de2724135
-
SHA1
697a8affd445c8dc57993ff075042fc1b6cbff1d
-
SHA256
ac355158b35182d2b564f19f574a6a5cdbeb890bddce280285bfccc81187d48d
-
SHA512
b6278f9d59e3d3c293fe3e4db11e7d715f1103b68170f85320c96a12a73ebceb3a7db288e6491e414eba490a5a78e40c58a2a9fa72cf682a9ae08b71edb010aa
-
SSDEEP
98304:pgHqE6OVQWJuhswoYv5eONVMSVlnsfGm2ceemmZqAZ8a+t1Twhehg0iIIjsEBq4T:phE/uWJysVYvsO4knseOeehZqAqa+3TX
Behavioral task
behavioral1
Sample
2024-06-11_17e17cfcd5a54564a4f8fa7de2724135_ryuk.exe
Resource
win10-20240404-en
Malware Config
Extracted
cobaltstrike
http://47.104.76.193:50050/c9Or
-
user_agent
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.0; WOW64; Trident/5.0; msn OptimizedIE8;ENUS)
Targets
-
-
Target
2024-06-11_17e17cfcd5a54564a4f8fa7de2724135_ryuk
-
Size
5.4MB
-
MD5
17e17cfcd5a54564a4f8fa7de2724135
-
SHA1
697a8affd445c8dc57993ff075042fc1b6cbff1d
-
SHA256
ac355158b35182d2b564f19f574a6a5cdbeb890bddce280285bfccc81187d48d
-
SHA512
b6278f9d59e3d3c293fe3e4db11e7d715f1103b68170f85320c96a12a73ebceb3a7db288e6491e414eba490a5a78e40c58a2a9fa72cf682a9ae08b71edb010aa
-
SSDEEP
98304:pgHqE6OVQWJuhswoYv5eONVMSVlnsfGm2ceemmZqAZ8a+t1Twhehg0iIIjsEBq4T:phE/uWJysVYvsO4knseOeehZqAqa+3TX
-
Modifies Shared Task Scheduler registry keys
-
Executes dropped EXE
-
Loads dropped DLL
-
Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
-
Blocklisted process makes network request
-
Checks for any installed AV software in registry
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Legitimate hosting services abused for malware hosting/C2
-
Drops file in System32 directory
-
MITRE ATT&CK Matrix ATT&CK v13
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1