General
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Target
Synth Multi Tool.exe
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Size
373KB
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Sample
241219-p61vfatpdm
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MD5
db00217024581a4e0b46c11ab62bb7e6
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SHA1
54be254f9978ad728c1a8f7364cc527c4c4348a0
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SHA256
b970ee2d59035562b4594e6cac64255f38dc9708a8119b7f0d44af8c9ae81b78
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SHA512
167e50bdc4d0e854dd261670b64a96ae31e5fb33738363cee1a40cfae349794ceca67ebd462f02e166cec01e149da785af3af33433f162ea7a1d13ae75dab2c3
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SSDEEP
6144:Dr96+4vlljqensRnj9tZ1PiO3/UYwZJYX8CWooc/C5qhXK:xQlleensRn5b1PiO8YwZJYXkoocqqhXK
Behavioral task
behavioral1
Sample
Synth Multi Tool.exe
Resource
win10ltsc2021-20241211-en
Malware Config
Extracted
C:\Users\Admin\Documents\NOTE FROM THE HACKERS.txt
Targets
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Target
Synth Multi Tool.exe
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Size
373KB
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MD5
db00217024581a4e0b46c11ab62bb7e6
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SHA1
54be254f9978ad728c1a8f7364cc527c4c4348a0
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SHA256
b970ee2d59035562b4594e6cac64255f38dc9708a8119b7f0d44af8c9ae81b78
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SHA512
167e50bdc4d0e854dd261670b64a96ae31e5fb33738363cee1a40cfae349794ceca67ebd462f02e166cec01e149da785af3af33433f162ea7a1d13ae75dab2c3
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SSDEEP
6144:Dr96+4vlljqensRnj9tZ1PiO3/UYwZJYX8CWooc/C5qhXK:xQlleensRn5b1PiO8YwZJYXkoocqqhXK
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Chaos Ransomware
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Chaos family
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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 (199) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Drops desktop.ini file(s)
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1