blackmatter | 55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843

General

Target

55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Size

66KB
MD5

8e09e25c6dd51a06b9383457a5ec4b1e
SHA1

bb04c8d83f8946c3e03386269b290fb338c07dae
SHA256

55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843
SHA512

5ff01b4a419f3e25b5b3b154b556dd847a33aff884e25fc2c827bdf7c2d10b77affb7908f46b7400c293470314984ad771303d6468c6909b86093af9fca0414b
SSDEEP

1536:1zICS4AT6GxdEe+TOdincJXvKvWLBjklE:WR7auJXSOhCE

Score

10^/10

blackmatter ransomware

Malware Config

Extracted

Path

C:\7xiQGxvQ7.README.txt

Family

blackmatter

Ransom Note

~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your network is encrypted, and currently not operational. We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data. >>> What guarantees? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. If we do not give you decrypters or we do not delete your data, no one will pay us in the future, this does not comply with our goals. We always keep our promises. >>> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/GDBJS76DH3D4IKQD2QO7R. >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.

URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/GDBJS76DH3D4IKQD2QO7R

Signatures

BlackMatter Ransomware
BlackMatter ransomware group claims to be Darkside and REvil succesor.
ransomware blackmatter

Modifies extensions of user files 12 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\PublishStop.tif.7xiQGxvQ7	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
File opened for modification	C:\Users\Admin\Pictures\UseRename.raw.7xiQGxvQ7	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
File renamed	C:\Users\Admin\Pictures\AssertRead.raw => C:\Users\Admin\Pictures\AssertRead.raw.7xiQGxvQ7	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
File renamed	C:\Users\Admin\Pictures\BackupRequest.png => C:\Users\Admin\Pictures\BackupRequest.png.7xiQGxvQ7	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
File renamed	C:\Users\Admin\Pictures\PublishStop.tif => C:\Users\Admin\Pictures\PublishStop.tif.7xiQGxvQ7	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
File opened for modification	C:\Users\Admin\Pictures\NewShow.raw.7xiQGxvQ7	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
File renamed	C:\Users\Admin\Pictures\SwitchImport.tif => C:\Users\Admin\Pictures\SwitchImport.tif.7xiQGxvQ7	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
File opened for modification	C:\Users\Admin\Pictures\SwitchImport.tif.7xiQGxvQ7	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
File renamed	C:\Users\Admin\Pictures\UseRename.raw => C:\Users\Admin\Pictures\UseRename.raw.7xiQGxvQ7	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
File opened for modification	C:\Users\Admin\Pictures\AssertRead.raw.7xiQGxvQ7	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
File opened for modification	C:\Users\Admin\Pictures\BackupRequest.png.7xiQGxvQ7	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
File renamed	C:\Users\Admin\Pictures\NewShow.raw => C:\Users\Admin\Pictures\NewShow.raw.7xiQGxvQ7	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\7xiQGxvQ7.bmp"	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\7xiQGxvQ7.bmp"	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe

Modifies Control Panel 3 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\Desktop\WallpaperStyle = "10"	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\Desktop	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeBackupPrivilege	4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Token: SeDebugPrivilege	4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Token: 36	4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Token: SeImpersonatePrivilege	4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Token: SeIncBasePriorityPrivilege	4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Token: SeIncreaseQuotaPrivilege	4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Token: 33	4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Token: SeManageVolumePrivilege	4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Token: SeProfSingleProcessPrivilege	4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Token: SeRestorePrivilege	4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Token: SeSecurityPrivilege	4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Token: SeSystemProfilePrivilege	4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Token: SeTakeOwnershipPrivilege	4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Token: SeShutdownPrivilege	4864	55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
Token: SeBackupPrivilege	3084	vssvc.exe
Token: SeRestorePrivilege	3084	vssvc.exe
Token: SeAuditPrivilege	3084	vssvc.exe

C:\Users\Admin\AppData\Local\Temp\55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe
"C:\Users\Admin\AppData\Local\Temp\55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.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
PID:4864

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3084

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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