blackmatter | 8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952

General

Target

8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Size

80KB
MD5

bd888dddb2e341518b1cd9efff2f80cd
SHA1

8e06e25de1c77dae2447adb7dbe10c80153e902c
SHA256

8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952
SHA512

0385151f8ca63613f46dda29206cc139f060735f898bc16e85c987de3f2ae552c0a64e1a5e79c183ea4aa7cf2963a7922389ae5ec0b7d28400875e9a19ef969c

Score

10^/10

blackmatter ransomware

Malware Config

Extracted

Path

C:\WRLMMTHME.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 sensitive 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. >>> 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/Q0DVRYWVDUGDD22V0K7XX >> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.

URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/Q0DVRYWVDUGDD22V0K7XX

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 renamed	C:\Users\Admin\Pictures\GetRestart.raw => C:\Users\Admin\Pictures\GetRestart.raw.WRLMMTHME	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
File renamed	C:\Users\Admin\Pictures\GroupSearch.png => C:\Users\Admin\Pictures\GroupSearch.png.WRLMMTHME	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
File opened for modification	C:\Users\Admin\Pictures\GroupSearch.png.WRLMMTHME	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
File opened for modification	C:\Users\Admin\Pictures\DisableApprove.png.WRLMMTHME	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
File opened for modification	C:\Users\Admin\Pictures\SuspendRegister.tiff	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
File renamed	C:\Users\Admin\Pictures\WaitRestore.png => C:\Users\Admin\Pictures\WaitRestore.png.WRLMMTHME	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
File opened for modification	C:\Users\Admin\Pictures\GetRestart.raw.WRLMMTHME	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
File opened for modification	C:\Users\Admin\Pictures\ImportSelect.png.WRLMMTHME	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
File opened for modification	C:\Users\Admin\Pictures\SuspendRegister.tiff.WRLMMTHME	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
File renamed	C:\Users\Admin\Pictures\DisableApprove.png => C:\Users\Admin\Pictures\DisableApprove.png.WRLMMTHME	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
File renamed	C:\Users\Admin\Pictures\ImportSelect.png => C:\Users\Admin\Pictures\ImportSelect.png.WRLMMTHME	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
File renamed	C:\Users\Admin\Pictures\PushRemove.tif => C:\Users\Admin\Pictures\PushRemove.tif.WRLMMTHME	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
File opened for modification	C:\Users\Admin\Pictures\PushRemove.tif.WRLMMTHME	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
File renamed	C:\Users\Admin\Pictures\SuspendRegister.tiff => C:\Users\Admin\Pictures\SuspendRegister.tiff.WRLMMTHME	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
File opened for modification	C:\Users\Admin\Pictures\WaitRestore.png.WRLMMTHME	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.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:	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.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-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\WRLMMTHME.bmp"	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\WRLMMTHME.bmp"	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe

Modifies Control Panel 3 IoCs

evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\WallpaperStyle = "10"	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Key created	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\International	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeBackupPrivilege	4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeDebugPrivilege	4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: 36	4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeImpersonatePrivilege	4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeIncBasePriorityPrivilege	4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeIncreaseQuotaPrivilege	4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: 33	4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeManageVolumePrivilege	4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeProfSingleProcessPrivilege	4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeRestorePrivilege	4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeSecurityPrivilege	4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeSystemProfilePrivilege	4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeTakeOwnershipPrivilege	4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeShutdownPrivilege	4396	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeBackupPrivilege	4584	vssvc.exe
Token: SeRestorePrivilege	4584	vssvc.exe
Token: SeAuditPrivilege	4584	vssvc.exe

C:\Users\Admin\AppData\Local\Temp\8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
"C:\Users\Admin\AppData\Local\Temp\8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.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:4396

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4584

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

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Downloads

memory/4396-118-0x00000000027F3000-0x00000000027F5000-memory.dmp

Filesize
8KB

Download
memory/4396-119-0x00000000027F0000-0x00000000027F1000-memory.dmp

Filesize
4KB

Download

Analysis

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