blackmatter | 8561226f674aeb4abc1b9910ddc4855ac8ac2fcd4f5face1f84e34878ac98afc

Analysis

max time kernel
123s
max time network
170s
platform
windows10_x64
resource
win10-en-20211014
submitted
23-11-2021 10:31

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Report Analysis Logs

General

Target

c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Size

66KB
MD5

ba375d0625001102fc1f2ccb6f582d91
SHA1

379ebd1eff6f8685f4ff72657626bf6df5383d87
SHA256

c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99
SHA512

795b10a638e289729192de6a6d9964b5ad3b8084f84d58da077ca8ec08c8b8cb1acadb5240962d4ccacf66242bab1430923fc77bdbbfacd0badd64df2ba1487f

Score

10^/10

blackmatter ransomware suricata

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 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
suricata: ET MALWARE BlackMatter CnC Activity
suricata: ET MALWARE BlackMatter CnC Activity
suricata
suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)
suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)
suricata
suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (paymenthacks .com)
suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (paymenthacks .com)
suricata

Modifies extensions of user files 32 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\ResolveTrace.crw.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\StepRequest.tiff	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File renamed	C:\Users\Admin\Pictures\SubmitInstall.crw => C:\Users\Admin\Pictures\SubmitInstall.crw.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File renamed	C:\Users\Admin\Pictures\ApproveEnter.png => C:\Users\Admin\Pictures\ApproveEnter.png.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\LimitImport.tif.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File renamed	C:\Users\Admin\Pictures\ResolveTrace.crw => C:\Users\Admin\Pictures\ResolveTrace.crw.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\SelectReset.tiff	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File renamed	C:\Users\Admin\Pictures\SelectReset.tiff => C:\Users\Admin\Pictures\SelectReset.tiff.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\SplitWrite.raw.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\InstallTest.raw.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File renamed	C:\Users\Admin\Pictures\CloseUnpublish.tif => C:\Users\Admin\Pictures\CloseUnpublish.tif.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\RegisterLock.tiff	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File renamed	C:\Users\Admin\Pictures\SplitStop.png => C:\Users\Admin\Pictures\SplitStop.png.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\WriteExit.raw.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\ClearEnable.tiff	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\ClearEnable.tiff.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\GroupBackup.raw.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\SplitStop.png.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\StepRequest.tiff.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File renamed	C:\Users\Admin\Pictures\ClearEnable.tiff => C:\Users\Admin\Pictures\ClearEnable.tiff.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File renamed	C:\Users\Admin\Pictures\SplitWrite.raw => C:\Users\Admin\Pictures\SplitWrite.raw.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\SubmitInstall.crw.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\ApproveEnter.png.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File renamed	C:\Users\Admin\Pictures\InstallTest.raw => C:\Users\Admin\Pictures\InstallTest.raw.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\SelectReset.tiff.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File renamed	C:\Users\Admin\Pictures\WriteExit.raw => C:\Users\Admin\Pictures\WriteExit.raw.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\CloseUnpublish.tif.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File renamed	C:\Users\Admin\Pictures\GroupBackup.raw => C:\Users\Admin\Pictures\GroupBackup.raw.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File renamed	C:\Users\Admin\Pictures\LimitImport.tif => C:\Users\Admin\Pictures\LimitImport.tif.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File renamed	C:\Users\Admin\Pictures\RegisterLock.tiff => C:\Users\Admin\Pictures\RegisterLock.tiff.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File opened for modification	C:\Users\Admin\Pictures\RegisterLock.tiff.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
File renamed	C:\Users\Admin\Pictures\StepRequest.tiff => C:\Users\Admin\Pictures\StepRequest.tiff.WRLMMTHME	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.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

Processes:

c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe

description ioc process

File opened (read-only) \??\Z: c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe

description	ioc	process
File opened (read-only)	\??\Z:	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\WRLMMTHME.bmp"	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\WRLMMTHME.bmp"	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

Processes:

c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe

pid	process
628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe

Modifies Control Panel 3 IoCs

evasion

Processes:

c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\WallpaperStyle = "10"	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Key created	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\International	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Key created	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe

pid	process
628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exevssvc.exe

description	pid	process
Token: SeBackupPrivilege	628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Token: SeDebugPrivilege	628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Token: 36	628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Token: SeImpersonatePrivilege	628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Token: SeIncBasePriorityPrivilege	628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Token: SeIncreaseQuotaPrivilege	628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Token: 33	628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Token: SeManageVolumePrivilege	628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Token: SeProfSingleProcessPrivilege	628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Token: SeRestorePrivilege	628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Token: SeSecurityPrivilege	628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Token: SeSystemProfilePrivilege	628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Token: SeTakeOwnershipPrivilege	628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Token: SeShutdownPrivilege	628	c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
Token: SeBackupPrivilege	2280	vssvc.exe
Token: SeRestorePrivilege	2280	vssvc.exe
Token: SeAuditPrivilege	2280	vssvc.exe

C:\Users\Admin\AppData\Local\Temp\c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.exe
"C:\Users\Admin\AppData\Local\Temp\c6e2ef30a86baa670590bd21acf5b91822117e0cbe6060060bc5fe0182dace99.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:628

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2280

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

T1491

Replay Monitor

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Downloads

memory/628-119-0x0000000002C70000-0x0000000002C71000-memory.dmp

Filesize
4KB

Download
memory/628-118-0x0000000002C73000-0x0000000002C75000-memory.dmp

Filesize
8KB

Download