Resubmissions
18/09/2024, 11:32
240918-nnb8pazajl 1019/11/2023, 08:48
231119-kqevtahc94 1019/11/2023, 08:33
231119-kf81xaab91 1019/11/2023, 08:31
231119-kenzcaab9x 1016/11/2023, 13:30
231116-qrvkjsdd8t 10Analysis
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max time kernel
35s -
max time network
39s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
19/11/2023, 08:31
Behavioral task
behavioral1
Sample
a864282fea5a536510ae86c77ce46f7827687783628e4f2ceb5bf2c41b8cd3c6.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
a864282fea5a536510ae86c77ce46f7827687783628e4f2ceb5bf2c41b8cd3c6.exe
Resource
win10v2004-20231023-en
General
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Target
a864282fea5a536510ae86c77ce46f7827687783628e4f2ceb5bf2c41b8cd3c6.exe
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Size
1.2MB
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MD5
0c8e88877383ccd23a755f429006b437
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SHA1
69b3d913a3967153d1e91ba1a31ebed839b297ed
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SHA256
a864282fea5a536510ae86c77ce46f7827687783628e4f2ceb5bf2c41b8cd3c6
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SHA512
ba5296a84b7107b293d1afd4752157edaa1a3f1059685ecad2ddea9b9221ee9c8092ce5cae6f2f6a4866e25ca0bf66dd3fbc0786b2a26cb708d2cd536dd85041
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SSDEEP
24576:utP7hdO1s6Skscec1SgnyN9HPFCCNhQI6GOfaFVIVrYwcMavDiZn3m75/J7:gLO1qkscec0gnyN9HPFCCNSI6GOfaFVp
Malware Config
Signatures
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Detect Rhysida ransomware 4 IoCs
resource yara_rule behavioral2/memory/1028-264-0x0000000000400000-0x0000000000522000-memory.dmp family_rhysida behavioral2/memory/1028-534-0x0000000000400000-0x0000000000522000-memory.dmp family_rhysida behavioral2/memory/1028-566-0x0000000000400000-0x0000000000522000-memory.dmp family_rhysida behavioral2/memory/1028-567-0x0000000000400000-0x0000000000522000-memory.dmp family_rhysida -
Rhysida
Rhysida is a ransomware that is written in C++ and discovered in 2023.
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Renames multiple (1277) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.