Analysis
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max time kernel
83s -
max time network
138s -
platform
windows10_x64 -
resource
win10-en -
submitted
20-09-2021 12:44
Static task
static1
Behavioral task
behavioral1
Sample
eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe
Resource
win7-en-20210916
Behavioral task
behavioral2
Sample
eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe
Resource
win10-en
General
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Target
eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe
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Size
79KB
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MD5
c958e5710adefbc68f3e0719f48bcf87
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SHA1
f50429c2e706f65fd3fb62968a74b391e5417e66
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SHA256
eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b
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SHA512
f5dbe5cc944d6dccbc085c5344e3a61f8945c838dcbfee0a0fbf69429946fed5db363da621835ffb54ee76eba938f7fd31c73b9a727ab2cf5c554b58bc09258d
Malware Config
Extracted
\??\Z:\fViGXl6GW.README.txt
blackmatter
http://blackmax7su6mbwtcyo3xwtpfxpm356jjqrs34y4crcytpw7mifuedyd.onion/7Fzi2ntSlp/1094de0bf2bc03ac2ac8dc79d118a785
http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/9MDXJ6LXOUEK84ALNT
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 8 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\InvokeShow.png => C:\Users\Admin\Pictures\InvokeShow.png.fViGXl6GW eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe File opened for modification C:\Users\Admin\Pictures\InvokeShow.png.fViGXl6GW eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe File renamed C:\Users\Admin\Pictures\ClearRevoke.tif => C:\Users\Admin\Pictures\ClearRevoke.tif.fViGXl6GW eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe File opened for modification C:\Users\Admin\Pictures\ClearRevoke.tif.fViGXl6GW eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe File renamed C:\Users\Admin\Pictures\FindResume.crw => C:\Users\Admin\Pictures\FindResume.crw.fViGXl6GW eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe File opened for modification C:\Users\Admin\Pictures\FindResume.crw.fViGXl6GW eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe File renamed C:\Users\Admin\Pictures\InstallStop.crw => C:\Users\Admin\Pictures\InstallStop.crw.fViGXl6GW eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe File opened for modification C:\Users\Admin\Pictures\InstallStop.crw.fViGXl6GW eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Z: eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\fViGXl6GW.bmp" eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Set value (str) \REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\fViGXl6GW.bmp" eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
pid Process 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe -
Modifies Control Panel 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000\Control Panel\International eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Key created \REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000\Control Panel\Desktop eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Set value (str) \REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000\Control Panel\Desktop\WallpaperStyle = "10" eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
description pid Process Token: SeBackupPrivilege 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Token: SeDebugPrivilege 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Token: 36 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Token: SeImpersonatePrivilege 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Token: SeIncBasePriorityPrivilege 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Token: SeIncreaseQuotaPrivilege 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Token: 33 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Token: SeManageVolumePrivilege 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Token: SeProfSingleProcessPrivilege 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Token: SeRestorePrivilege 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Token: SeSecurityPrivilege 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Token: SeSystemProfilePrivilege 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Token: SeTakeOwnershipPrivilege 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Token: SeShutdownPrivilege 4560 eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe Token: SeBackupPrivilege 4636 vssvc.exe Token: SeRestorePrivilege 4636 vssvc.exe Token: SeAuditPrivilege 4636 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.exe"C:\Users\Admin\AppData\Local\Temp\eaac447d6ae733210a07b1f79e97eda017a442e721d8fafe618e2c789b18234b.bin.sample.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:4560
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4636