blackmatter | 2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c

General

Target

2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Size

79KB
MD5

f1c260c31b9d3f9ff54a142d508ec602
SHA1

6b25c80e8b2dca94ea6b6a95745a496ec0bcabd3
SHA256

2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c
SHA512

9412a185d008ded02e2061cd4e998222071923f6260ecdcc9a3f1969ea2aa89a9493866e13450d82b8ab390ec78b24d7ba82a6e2618d11cf27d67f43a7d39d6a

Score

10^/10

blackmatter ransomware suricata

Malware Config

Extracted

Path

C:\AVx2lZV2X.README.txt

Family

blackmatter

Ransom Note

~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your security perimeter was BREACHED and all files on your critically important servers and hosts were completely ENCRYPTED. Also we has DOWNLOADED your most SENSITIVE Data We have collected the most important info such as: -Accounting files, Financial documents, Banking and Billing statements, HR documents, Payrolls, Credit Cards -We have your Backups, Legal Documents, Personal IDs, Investigations Reports, Audit Reports, Revenues reports -Confidential Agreements, NDA, Corporate Contracts, WorkFiles, Drawings, Clients and Employees contacts and other personal information -Also we have your Private Correspondence .msg files and a lot of other Sensitive info. https://prnt.sc/1o6e5a2 https://prnt.sc/1o6ei7g https://prnt.sc/1o6exr8 https://prnt.sc/1o6fbxu https://prnt.sc/1o6fvkn >>> What data stolen? From your network was stolen 80 GB of data. If you do not contact us we will publish all your data in our blog and will send it to the biggest mass media. Blog post link: %BLOG_URL% >>> 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/EBVCVJNCPM6A3NKJ >> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.

URLs

https://prnt.sc/1o6e5a2

https://prnt.sc/1o6ei7g

https://prnt.sc/1o6exr8

https://prnt.sc/1o6fbxu

https://prnt.sc/1o6fvkn

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/EBVCVJNCPM6A3NKJ

Signatures

BlackMatter Ransomware
BlackMatter ransomware group claims to be Darkside and REvil succesor.
ransomware blackmatter
suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)
suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)
suricata

Modifies extensions of user files 17 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\ConvertToWrite.raw.AVx2lZV2X	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
File renamed	C:\Users\Admin\Pictures\OpenExpand.raw => C:\Users\Admin\Pictures\OpenExpand.raw.AVx2lZV2X	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
File renamed	C:\Users\Admin\Pictures\OptimizeUninstall.raw => C:\Users\Admin\Pictures\OptimizeUninstall.raw.AVx2lZV2X	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
File opened for modification	C:\Users\Admin\Pictures\RevokeMove.raw.AVx2lZV2X	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
File renamed	C:\Users\Admin\Pictures\UnlockReceive.crw => C:\Users\Admin\Pictures\UnlockReceive.crw.AVx2lZV2X	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
File opened for modification	C:\Users\Admin\Pictures\UnlockReceive.crw.AVx2lZV2X	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
File opened for modification	C:\Users\Admin\Pictures\DenyRequest.tiff.AVx2lZV2X	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
File opened for modification	C:\Users\Admin\Pictures\OptimizeUninstall.raw.AVx2lZV2X	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
File renamed	C:\Users\Admin\Pictures\ConvertToWrite.raw => C:\Users\Admin\Pictures\ConvertToWrite.raw.AVx2lZV2X	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
File renamed	C:\Users\Admin\Pictures\DenyRequest.tiff => C:\Users\Admin\Pictures\DenyRequest.tiff.AVx2lZV2X	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
File opened for modification	C:\Users\Admin\Pictures\OpenExpand.raw.AVx2lZV2X	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
File renamed	C:\Users\Admin\Pictures\AddRename.raw => C:\Users\Admin\Pictures\AddRename.raw.AVx2lZV2X	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
File opened for modification	C:\Users\Admin\Pictures\AddRename.raw.AVx2lZV2X	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
File renamed	C:\Users\Admin\Pictures\ApproveFormat.raw => C:\Users\Admin\Pictures\ApproveFormat.raw.AVx2lZV2X	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
File opened for modification	C:\Users\Admin\Pictures\ApproveFormat.raw.AVx2lZV2X	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
File opened for modification	C:\Users\Admin\Pictures\DenyRequest.tiff	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
File renamed	C:\Users\Admin\Pictures\RevokeMove.raw => C:\Users\Admin\Pictures\RevokeMove.raw.AVx2lZV2X	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\Z:	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.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-1-5-21-2481030822-2828258191-1606198294-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\AVx2lZV2X.bmp"	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\AVx2lZV2X.bmp"	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe

Modifies Control Panel 3 IoCs

evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Control Panel\International	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Key created	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Control Panel\Desktop	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Control Panel\Desktop\WallpaperStyle = "10"	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeBackupPrivilege	1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Token: SeDebugPrivilege	1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Token: 36	1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Token: SeImpersonatePrivilege	1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Token: SeIncBasePriorityPrivilege	1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Token: SeIncreaseQuotaPrivilege	1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Token: 33	1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Token: SeManageVolumePrivilege	1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Token: SeProfSingleProcessPrivilege	1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Token: SeRestorePrivilege	1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Token: SeSecurityPrivilege	1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Token: SeSystemProfilePrivilege	1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Token: SeTakeOwnershipPrivilege	1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Token: SeShutdownPrivilege	1840	2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
Token: SeBackupPrivilege	2784	vssvc.exe
Token: SeRestorePrivilege	2784	vssvc.exe
Token: SeAuditPrivilege	2784	vssvc.exe

C:\Users\Admin\AppData\Local\Temp\2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.exe
"C:\Users\Admin\AppData\Local\Temp\2466fca0e29b06c78ffa8a44193fb58c30e6bec4e54bbef8e6622349b95cce4c.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:1840

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2784

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1840-116-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/1840-115-0x0000000000693000-0x0000000000695000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing