blackmatter | 4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b

General

Target

4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Size

78KB
MD5

62a70f74d6ac64829a8a31e306e9d41d
SHA1

ec26b38a29549272cc5f0cf548e208030ff114b0
SHA256

4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b
SHA512

0bd94273735921ca43b2c12e1e9c1aba158c2f825621d1a3daa8bafecf652ea35f68bc12a748fe583429b698dc51ce4f39194129daf5521996d2d9faceb3a372

Score

10^/10

blackmatter ransomware

Malware Config

Extracted

Path

C:\YvGHBQWH8.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 data stolen? From your network was stolen 500 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/LH2WLI60XU9O283RYADWV >> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.

URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/LH2WLI60XU9O283RYADWV

Signatures

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

Modifies extensions of user files 15 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\AddGroup.tiff	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
File opened for modification	C:\Users\Admin\Pictures\AddGroup.tiff.YvGHBQWH8	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
File opened for modification	C:\Users\Admin\Pictures\BlockSync.tiff	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
File opened for modification	C:\Users\Admin\Pictures\ConnectBlock.crw.YvGHBQWH8	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
File renamed	C:\Users\Admin\Pictures\RestoreRevoke.tiff => C:\Users\Admin\Pictures\RestoreRevoke.tiff.YvGHBQWH8	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
File renamed	C:\Users\Admin\Pictures\AddGroup.tiff => C:\Users\Admin\Pictures\AddGroup.tiff.YvGHBQWH8	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
File renamed	C:\Users\Admin\Pictures\ConnectBlock.crw => C:\Users\Admin\Pictures\ConnectBlock.crw.YvGHBQWH8	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
File opened for modification	C:\Users\Admin\Pictures\RestoreRevoke.tiff	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
File renamed	C:\Users\Admin\Pictures\BlockSync.tiff => C:\Users\Admin\Pictures\BlockSync.tiff.YvGHBQWH8	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
File renamed	C:\Users\Admin\Pictures\CompletePush.raw => C:\Users\Admin\Pictures\CompletePush.raw.YvGHBQWH8	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
File opened for modification	C:\Users\Admin\Pictures\CompletePush.raw.YvGHBQWH8	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
File renamed	C:\Users\Admin\Pictures\RequestSubmit.png => C:\Users\Admin\Pictures\RequestSubmit.png.YvGHBQWH8	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
File opened for modification	C:\Users\Admin\Pictures\RequestSubmit.png.YvGHBQWH8	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
File opened for modification	C:\Users\Admin\Pictures\BlockSync.tiff.YvGHBQWH8	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
File opened for modification	C:\Users\Admin\Pictures\RestoreRevoke.tiff.YvGHBQWH8	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.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-1-5-21-1669990088-476967504-438132596-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\YvGHBQWH8.bmp"	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1669990088-476967504-438132596-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\YvGHBQWH8.bmp"	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe

Modifies Control Panel 3 IoCs

evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1669990088-476967504-438132596-1000\Control Panel\International	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Key created	\REGISTRY\USER\S-1-5-21-1669990088-476967504-438132596-1000\Control Panel\Desktop	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1669990088-476967504-438132596-1000\Control Panel\Desktop\WallpaperStyle = "10"	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeBackupPrivilege	1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Token: SeDebugPrivilege	1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Token: 36	1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Token: SeImpersonatePrivilege	1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Token: SeIncBasePriorityPrivilege	1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Token: SeIncreaseQuotaPrivilege	1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Token: 33	1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Token: SeManageVolumePrivilege	1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Token: SeProfSingleProcessPrivilege	1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Token: SeRestorePrivilege	1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Token: SeSecurityPrivilege	1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Token: SeSystemProfilePrivilege	1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Token: SeTakeOwnershipPrivilege	1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Token: SeShutdownPrivilege	1664	4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
Token: SeBackupPrivilege	596	vssvc.exe
Token: SeRestorePrivilege	596	vssvc.exe
Token: SeAuditPrivilege	596	vssvc.exe

C:\Users\Admin\AppData\Local\Temp\4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.exe
"C:\Users\Admin\AppData\Local\Temp\4be85e2083b64838fb66b92195a250228a721cdb5ae91817ea97b37aa53f4a2b.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:1664

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:596

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

Replay Monitor

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Downloads

memory/1664-52-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

Filesize
8KB

Download
memory/1664-54-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/1664-55-0x0000000000946000-0x0000000000947000-memory.dmp

Filesize
4KB

Download
memory/1664-53-0x0000000000935000-0x0000000000946000-memory.dmp

Filesize
68KB

Download

Analysis

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