blackmatter | 496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d

General

Target

496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Size

78KB
MD5

cb1e9e0b57107c1f5cd3569bf268de4f
SHA1

53f0be750671f565019890a35d8463eebc6fddc9
SHA256

496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d
SHA512

2620215ca9a7ba3cb412c8fc33f2bd6d89e0e61dd70d6bbe1762ccb820b29d2e5f7fd6be06c27328b0d333c5d12ef239d0101dfea23c6025b06110b7a3ad4cb5

Score

10^/10

blackmatter ransomware

Malware Config

Extracted

Path

C:\1L3LaWnLv.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/Z1DHIS62B9LUNC74 >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.

URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/Z1DHIS62B9LUNC74

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\BlockMount.tiff	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
File opened for modification	C:\Users\Admin\Pictures\BlockMount.tiff.1L3LaWnLv	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
File renamed	C:\Users\Admin\Pictures\ExitResume.raw => C:\Users\Admin\Pictures\ExitResume.raw.1L3LaWnLv	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
File opened for modification	C:\Users\Admin\Pictures\UseCompare.png.1L3LaWnLv	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
File renamed	C:\Users\Admin\Pictures\RegisterSwitch.crw => C:\Users\Admin\Pictures\RegisterSwitch.crw.1L3LaWnLv	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
File renamed	C:\Users\Admin\Pictures\AssertRedo.raw => C:\Users\Admin\Pictures\AssertRedo.raw.1L3LaWnLv	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
File opened for modification	C:\Users\Admin\Pictures\AssertRedo.raw.1L3LaWnLv	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
File renamed	C:\Users\Admin\Pictures\BlockMount.tiff => C:\Users\Admin\Pictures\BlockMount.tiff.1L3LaWnLv	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
File renamed	C:\Users\Admin\Pictures\ConvertFromInvoke.png => C:\Users\Admin\Pictures\ConvertFromInvoke.png.1L3LaWnLv	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
File opened for modification	C:\Users\Admin\Pictures\ExitResume.raw.1L3LaWnLv	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
File opened for modification	C:\Users\Admin\Pictures\RegisterSwitch.crw.1L3LaWnLv	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
File renamed	C:\Users\Admin\Pictures\UseCompare.png => C:\Users\Admin\Pictures\UseCompare.png.1L3LaWnLv	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
File opened for modification	C:\Users\Admin\Pictures\ConvertFromInvoke.png.1L3LaWnLv	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
File renamed	C:\Users\Admin\Pictures\LimitGrant.crw => C:\Users\Admin\Pictures\LimitGrant.crw.1L3LaWnLv	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
File opened for modification	C:\Users\Admin\Pictures\LimitGrant.crw.1L3LaWnLv	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.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-1-5-21-369956170-74428499-1628131376-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\1L3LaWnLv.bmp"	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\1L3LaWnLv.bmp"	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe

Modifies Control Panel 3 IoCs

evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Control Panel\International	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Key created	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Control Panel\Desktop	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Control Panel\Desktop\WallpaperStyle = "10"	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeBackupPrivilege	2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Token: SeDebugPrivilege	2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Token: 36	2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Token: SeImpersonatePrivilege	2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Token: SeIncBasePriorityPrivilege	2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Token: SeIncreaseQuotaPrivilege	2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Token: 33	2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Token: SeManageVolumePrivilege	2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Token: SeProfSingleProcessPrivilege	2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Token: SeRestorePrivilege	2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Token: SeSecurityPrivilege	2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Token: SeSystemProfilePrivilege	2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Token: SeTakeOwnershipPrivilege	2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Token: SeShutdownPrivilege	2744	496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
Token: SeBackupPrivilege	3968	vssvc.exe
Token: SeRestorePrivilege	3968	vssvc.exe
Token: SeAuditPrivilege	3968	vssvc.exe

C:\Users\Admin\AppData\Local\Temp\496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.exe
"C:\Users\Admin\AppData\Local\Temp\496cd9b6b6b96d6e781ab011d1d02ac3fc3532c8bdd07cae5d43286da6e4838d.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:2744

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3968

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/2744-116-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

Filesize
4KB

Download
memory/2744-115-0x0000000000DE3000-0x0000000000DE5000-memory.dmp

Filesize
8KB

Download

Analysis

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