Resubmissions
08-07-2022 13:22
220708-ql7ypacgfn 1029-11-2021 17:04
211129-vlj9vafeb7 1005-10-2021 12:34
211005-prwl6shgb4 10Analysis
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max time kernel
115s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
08-07-2022 13:22
Static task
static1
Behavioral task
behavioral1
Sample
668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe
Resource
win10v2004-20220414-en
General
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Target
668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe
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Size
34KB
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MD5
6f5c77478795ff7fb9700ed50b334429
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SHA1
6803d62254edf3bdd3bc523422ff98e6120b6e5b
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SHA256
668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6
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SHA512
40e4ffd227443003e0506f8d1fbfbacde54f9bfb5fa6908f05e134ee25217d3c3907d7c981107d642c071063b57253b4727fb6a211d7698a7a9bae2d8beede5f
Malware Config
Extracted
C:\agmt2tqtC.README.txt
blackmatter
http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/GDBJS76DH3D4IKQD2QO7R
Extracted
blackmatter
1.2
Signatures
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BlackMatter Ransomware
BlackMatter ransomware group claims to be Darkside and REvil succesor.
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suricata: ET MALWARE BlackMatter CnC Activity
suricata: ET MALWARE BlackMatter CnC Activity
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suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)
suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)
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suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (paymenthacks .com)
suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (paymenthacks .com)
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Modifies extensions of user files 24 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exedescription ioc process File renamed C:\Users\Admin\Pictures\RegisterEnter.tif => C:\Users\Admin\Pictures\RegisterEnter.tif.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File opened for modification C:\Users\Admin\Pictures\RemoveRegister.crw.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File opened for modification C:\Users\Admin\Pictures\SetImport.raw.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File opened for modification C:\Users\Admin\Pictures\UnpublishSet.tiff 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File renamed C:\Users\Admin\Pictures\BackupFormat.tiff => C:\Users\Admin\Pictures\BackupFormat.tiff.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File opened for modification C:\Users\Admin\Pictures\BackupFormat.tiff.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File opened for modification C:\Users\Admin\Pictures\ExportCompare.tiff 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File renamed C:\Users\Admin\Pictures\UnpublishSet.tiff => C:\Users\Admin\Pictures\UnpublishSet.tiff.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File opened for modification C:\Users\Admin\Pictures\UsePing.tiff.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File opened for modification C:\Users\Admin\Pictures\DisconnectUninstall.png.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File opened for modification C:\Users\Admin\Pictures\ExportCompare.tiff.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File opened for modification C:\Users\Admin\Pictures\RegisterEnter.tif.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File renamed C:\Users\Admin\Pictures\SetImport.raw => C:\Users\Admin\Pictures\SetImport.raw.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File renamed C:\Users\Admin\Pictures\UnregisterLock.crw => C:\Users\Admin\Pictures\UnregisterLock.crw.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File opened for modification C:\Users\Admin\Pictures\UnregisterLock.crw.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File renamed C:\Users\Admin\Pictures\UsePing.tiff => C:\Users\Admin\Pictures\UsePing.tiff.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File renamed C:\Users\Admin\Pictures\RemoveRegister.crw => C:\Users\Admin\Pictures\RemoveRegister.crw.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File renamed C:\Users\Admin\Pictures\SelectFormat.tif => C:\Users\Admin\Pictures\SelectFormat.tif.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File opened for modification C:\Users\Admin\Pictures\SelectFormat.tif.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File opened for modification C:\Users\Admin\Pictures\UnpublishSet.tiff.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File opened for modification C:\Users\Admin\Pictures\UsePing.tiff 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File opened for modification C:\Users\Admin\Pictures\BackupFormat.tiff 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File renamed C:\Users\Admin\Pictures\DisconnectUninstall.png => C:\Users\Admin\Pictures\DisconnectUninstall.png.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe File renamed C:\Users\Admin\Pictures\ExportCompare.tiff => C:\Users\Admin\Pictures\ExportCompare.tiff.agmt2tqtC 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe -
Processes:
resource yara_rule behavioral2/memory/4240-130-0x0000000000BE0000-0x0000000000BF7000-memory.dmp upx behavioral2/memory/4240-131-0x0000000000BE0000-0x0000000000BF7000-memory.dmp upx behavioral2/memory/4240-132-0x0000000000BE0000-0x0000000000BF7000-memory.dmp upx -
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
Processes:
668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\agmt2tqtC.bmp" 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Set value (str) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\agmt2tqtC.bmp" 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
Processes:
668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exepid process 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe -
Modifies Control Panel 3 IoCs
Processes:
668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Key created \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\Desktop 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Set value (str) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\Desktop\WallpaperStyle = "10" 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exepid process 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exevssvc.exedescription pid process Token: SeBackupPrivilege 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Token: SeDebugPrivilege 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Token: 36 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Token: SeImpersonatePrivilege 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Token: SeIncBasePriorityPrivilege 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Token: SeIncreaseQuotaPrivilege 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Token: 33 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Token: SeManageVolumePrivilege 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Token: SeProfSingleProcessPrivilege 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Token: SeRestorePrivilege 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Token: SeSecurityPrivilege 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Token: SeSystemProfilePrivilege 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Token: SeTakeOwnershipPrivilege 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Token: SeShutdownPrivilege 4240 668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe Token: SeBackupPrivilege 2344 vssvc.exe Token: SeRestorePrivilege 2344 vssvc.exe Token: SeAuditPrivilege 2344 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe"C:\Users\Admin\AppData\Local\Temp\668a4a2300f36c9df0f7307cc614be3297f036fa312a424765cdb2c169187fe6.exe"1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken