General
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Target
2024-10-29_4d339a2f921fcac88f6f17702fca7436_ryuk
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Size
137KB
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Sample
241029-f8tz8swgqj
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MD5
4d339a2f921fcac88f6f17702fca7436
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SHA1
adc2d7697c74b4fcc01afa5feb2711df44dc8046
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SHA256
94b80a9b040dee10001d8347d6d44b97f8c24a39e4852d9bff813e4c6158ef44
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SHA512
722e1aae39a67a197ea5e1d51daa53940a4b21ca82b4025510f86936c6489933472a61ff656a2b61cc68c305190683e324e0e71156a28d44584a75726104c4b3
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SSDEEP
3072:dxxED/D0VpMHZLZKMrkBne78xB0IwWMZ4OVvYV/J/9KEZUwVs:dxCkVpMHZLZ+Re78pwrJv2JTL
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-29_4d339a2f921fcac88f6f17702fca7436_ryuk.exe
Resource
win7-20240903-en
Malware Config
Extracted
phorphiex
http://185.215.113.66/
http://91.202.233.141/
0xCa90599132C4D88907Bd8E046540284aa468a035
TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6
qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
XryzFMFVpDUvU7famUGf214EXD3xNUSmQf
rsXCXBf9SagxV8JfC12d8Bybk84oPdMNN9
AULzfBuUAPfCGAXoG5Vq14aP9s6fx3AH4Z
LTK4xdKPAgFHPLan8kriAD7eY4heyy73mB
MP8GEm8QpYgQYaMo8oM5NQhRBgDGiLZW5Q
4BB7ckkaPTyADc8trtuwDoZxywaR4eNL5cDJ3KBjq9GraN4mUFztf7mLS7WgT7Bh7uPqpjvA4ypVwXKCJ1vvLWWAFvSmDoD
15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC
1BzmrjmKPKSR2hH5BeJySfiVA676E8DYaK
ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp
3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc
3ESHude8zUHksQg1h6hHmzY79BS36L91Yn
DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA
t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh
stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj
bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2
bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr
bc1qc9edl4hzl9jyt8twdad3zjeh2df2znq96tdezd
bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3
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mutex
mmn7nnm8na
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Extracted
phorphiex
http://185.215.113.84
Targets
-
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Target
2024-10-29_4d339a2f921fcac88f6f17702fca7436_ryuk
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Size
137KB
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MD5
4d339a2f921fcac88f6f17702fca7436
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SHA1
adc2d7697c74b4fcc01afa5feb2711df44dc8046
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SHA256
94b80a9b040dee10001d8347d6d44b97f8c24a39e4852d9bff813e4c6158ef44
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SHA512
722e1aae39a67a197ea5e1d51daa53940a4b21ca82b4025510f86936c6489933472a61ff656a2b61cc68c305190683e324e0e71156a28d44584a75726104c4b3
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SSDEEP
3072:dxxED/D0VpMHZLZKMrkBne78xB0IwWMZ4OVvYV/J/9KEZUwVs:dxCkVpMHZLZ+Re78pwrJv2JTL
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Modifies security service
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Phorphiex family
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Phorphiex payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Xmrig family
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XMRig Miner payload
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
2Scheduled Task/Job
1Scheduled Task
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1