General
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Target
4b9a374c136502529bcafeb728a58a27bd0407fb839add8276fbb15004b50ed3N.exe
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Size
2.6MB
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Sample
250115-3jaavs1mek
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MD5
525b2fd46d2aebd8acb6bd4200c79c70
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SHA1
f792a76e6223fabbef5060c8e4fd80cd16ec061d
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SHA256
4b9a374c136502529bcafeb728a58a27bd0407fb839add8276fbb15004b50ed3
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SHA512
4d658a6c3b822c45d8ecaafffd400bf21295703020b61a1a0b57d04a0e1cdc16d7d72bd378d1bee8d44952cd687c83bb6a4e2e6d65c25104a87aa9b6a4d8f04d
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SSDEEP
49152:gnsHyjtk2MYC5GDnYolY+iOo7/PpGpL0oh6jgvZ:gnsmtk2aDoCOqpG1fh6jgR
Behavioral task
behavioral1
Sample
4b9a374c136502529bcafeb728a58a27bd0407fb839add8276fbb15004b50ed3N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4b9a374c136502529bcafeb728a58a27bd0407fb839add8276fbb15004b50ed3N.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
xred
xred.mooo.com
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payload_url
http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978
https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download
https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1
http://xred.site50.net/syn/SUpdate.ini
https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download
https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1
http://xred.site50.net/syn/Synaptics.rar
https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download
https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1
http://xred.site50.net/syn/SSLLibrary.dll
Targets
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Target
4b9a374c136502529bcafeb728a58a27bd0407fb839add8276fbb15004b50ed3N.exe
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Size
2.6MB
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MD5
525b2fd46d2aebd8acb6bd4200c79c70
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SHA1
f792a76e6223fabbef5060c8e4fd80cd16ec061d
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SHA256
4b9a374c136502529bcafeb728a58a27bd0407fb839add8276fbb15004b50ed3
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SHA512
4d658a6c3b822c45d8ecaafffd400bf21295703020b61a1a0b57d04a0e1cdc16d7d72bd378d1bee8d44952cd687c83bb6a4e2e6d65c25104a87aa9b6a4d8f04d
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SSDEEP
49152:gnsHyjtk2MYC5GDnYolY+iOo7/PpGpL0oh6jgvZ:gnsmtk2aDoCOqpG1fh6jgR
Score10/10-
Modifies WinLogon for persistence
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Modifies visiblity of hidden/system files in Explorer
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Xred family
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
4