Analysis
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max time kernel
107s -
max time network
135s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
01-08-2021 22:59
Static task
static1
Behavioral task
behavioral1
Sample
7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe
Resource
win10v20210408
General
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Target
7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe
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Size
67KB
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MD5
d0512f2063cbd79fb0f770817cc81ab3
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SHA1
e324a2c8fae0d26b12f00ac859340f8d9945a9c1
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SHA256
7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984
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SHA512
a62cecdf8887e426332d56914dfe03780402a34896ffe7a3a932986832db7080e599db32bb2113238443750227a50de84ae36c6811993c43b7eee8b1a018d641
Malware Config
Extracted
C:\UCzUExPUL.README.txt
blackmatter
http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/7NT6LXKC1XQHW5039BLOV
Signatures
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BlackMatter Ransomware
BlackMatter ransomware group claims to be Darkside and REvil succesor.
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Modifies extensions of user files 30 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exedescription ioc process File renamed C:\Users\Admin\Pictures\ImportUninstall.tiff => C:\Users\Admin\Pictures\ImportUninstall.tiff.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File renamed C:\Users\Admin\Pictures\RevokeInitialize.png => C:\Users\Admin\Pictures\RevokeInitialize.png.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File renamed C:\Users\Admin\Pictures\RevokeTest.tif => C:\Users\Admin\Pictures\RevokeTest.tif.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File renamed C:\Users\Admin\Pictures\UseLimit.tiff => C:\Users\Admin\Pictures\UseLimit.tiff.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File opened for modification C:\Users\Admin\Pictures\UseLimit.tiff 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File opened for modification C:\Users\Admin\Pictures\UseUndo.png.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File renamed C:\Users\Admin\Pictures\FormatShow.tif => C:\Users\Admin\Pictures\FormatShow.tif.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File opened for modification C:\Users\Admin\Pictures\ImportUninstall.tiff 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File renamed C:\Users\Admin\Pictures\PopUnregister.tif => C:\Users\Admin\Pictures\PopUnregister.tif.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File opened for modification C:\Users\Admin\Pictures\RevokeMerge.tif.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File opened for modification C:\Users\Admin\Pictures\ConfirmRestore.tif.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File renamed C:\Users\Admin\Pictures\MoveResolve.raw => C:\Users\Admin\Pictures\MoveResolve.raw.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File opened for modification C:\Users\Admin\Pictures\MoveResolve.raw.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File opened for modification C:\Users\Admin\Pictures\StopBackup.png.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File renamed C:\Users\Admin\Pictures\UnlockEdit.crw => C:\Users\Admin\Pictures\UnlockEdit.crw.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File opened for modification C:\Users\Admin\Pictures\UnlockEdit.crw.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File renamed C:\Users\Admin\Pictures\UseUndo.png => C:\Users\Admin\Pictures\UseUndo.png.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File renamed C:\Users\Admin\Pictures\CompleteSelect.png => C:\Users\Admin\Pictures\CompleteSelect.png.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File opened for modification C:\Users\Admin\Pictures\RevokeInitialize.png.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File opened for modification C:\Users\Admin\Pictures\RevokeTest.tif.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File renamed C:\Users\Admin\Pictures\RevokeMerge.tif => C:\Users\Admin\Pictures\RevokeMerge.tif.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File opened for modification C:\Users\Admin\Pictures\UseLimit.tiff.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File renamed C:\Users\Admin\Pictures\SubmitUndo.tif => C:\Users\Admin\Pictures\SubmitUndo.tif.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File opened for modification C:\Users\Admin\Pictures\SubmitUndo.tif.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File opened for modification C:\Users\Admin\Pictures\CompleteSelect.png.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File renamed C:\Users\Admin\Pictures\ConfirmRestore.tif => C:\Users\Admin\Pictures\ConfirmRestore.tif.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File opened for modification C:\Users\Admin\Pictures\FormatShow.tif.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File opened for modification C:\Users\Admin\Pictures\ImportUninstall.tiff.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File opened for modification C:\Users\Admin\Pictures\PopUnregister.tif.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe File renamed C:\Users\Admin\Pictures\StopBackup.png => C:\Users\Admin\Pictures\StopBackup.png.UCzUExPUL 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exedescription ioc process File opened (read-only) \??\Z: 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
Processes:
7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\UCzUExPUL.bmp" 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\UCzUExPUL.bmp" 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
Processes:
7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exepid process 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe -
Modifies Control Panel 3 IoCs
Processes:
7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\WallpaperStyle = "10" 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\International 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exepid process 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exevssvc.exedescription pid process Token: SeBackupPrivilege 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Token: SeDebugPrivilege 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Token: 36 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Token: SeImpersonatePrivilege 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Token: SeIncBasePriorityPrivilege 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Token: SeIncreaseQuotaPrivilege 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Token: 33 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Token: SeManageVolumePrivilege 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Token: SeProfSingleProcessPrivilege 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Token: SeRestorePrivilege 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Token: SeSecurityPrivilege 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Token: SeSystemProfilePrivilege 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Token: SeTakeOwnershipPrivilege 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Token: SeShutdownPrivilege 580 7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe Token: SeBackupPrivilege 3588 vssvc.exe Token: SeRestorePrivilege 3588 vssvc.exe Token: SeAuditPrivilege 3588 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe"C:\Users\Admin\AppData\Local\Temp\7f6dd0ca03f04b64024e86a72a6d7cfab6abccc2173b85896fc4b431990a5984.bin.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:580
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3588