General
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Target
d74758f7cd701f111f3d2188a639abc64ca7b8ffce508024d5cf510626cff9eb
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Size
225KB
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Sample
240615-nsffxaygpe
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MD5
67b1a741e020284593a05bc4b1a3d218
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SHA1
401e6815bbc62b092f96e93e9535f09d77aa4522
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SHA256
d74758f7cd701f111f3d2188a639abc64ca7b8ffce508024d5cf510626cff9eb
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SHA512
fc35cac1f925df0a516b4694658fc31a5fdb41ef8dee2a7d37d194e05ee06ec0f054494872f991ef90b46af7ee9ba0e2bd79a8c9109ca18d556f8b99be76067e
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SSDEEP
6144:w4bJmXqQwAhojkJZkYiV50DEruMxgTw7ozFD254W:w4NeqQwAhZb9DOGcopfW
Behavioral task
behavioral1
Sample
d74758f7cd701f111f3d2188a639abc64ca7b8ffce508024d5cf510626cff9eb.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
d74758f7cd701f111f3d2188a639abc64ca7b8ffce508024d5cf510626cff9eb.exe
Resource
win10-20240611-en
Behavioral task
behavioral3
Sample
d74758f7cd701f111f3d2188a639abc64ca7b8ffce508024d5cf510626cff9eb.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral4
Sample
d74758f7cd701f111f3d2188a639abc64ca7b8ffce508024d5cf510626cff9eb.exe
Resource
win11-20240508-en
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\40420183721972539507.hta
email:[email protected]
Targets
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Target
d74758f7cd701f111f3d2188a639abc64ca7b8ffce508024d5cf510626cff9eb
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Size
225KB
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MD5
67b1a741e020284593a05bc4b1a3d218
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SHA1
401e6815bbc62b092f96e93e9535f09d77aa4522
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SHA256
d74758f7cd701f111f3d2188a639abc64ca7b8ffce508024d5cf510626cff9eb
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SHA512
fc35cac1f925df0a516b4694658fc31a5fdb41ef8dee2a7d37d194e05ee06ec0f054494872f991ef90b46af7ee9ba0e2bd79a8c9109ca18d556f8b99be76067e
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SSDEEP
6144:w4bJmXqQwAhojkJZkYiV50DEruMxgTw7ozFD254W:w4NeqQwAhZb9DOGcopfW
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Venus Ransomware
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit
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Renames multiple (8781) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Modifies Windows Firewall
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Executes dropped EXE
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Adds Run key to start application
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Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Indicator Removal
3File Deletion
3Modify Registry
3