blackmatter | 84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f

General

Target

84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Size

67KB
MD5

1019e0151d6c55eeecf06443fa6197c7
SHA1

369445caaca7ba44bc684f9d9fd7651467ed5167
SHA256

84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f
SHA512

7328cac56bce5a181bdaca079cd16c04dedb0f0201a40b0fcb6b0d7483440f99dc480b5d08bb295bc4c257bb16d88160e709ce8b76e2d2514080d05a82c7f6c8

Score

10^/10

blackmatter ransomware suricata

Malware Config

Extracted

Path

C:\y2VGe3tGZ.README.txt

Family

blackmatter

Ransom Note

~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your network is encrypted, and currently not operational. We have downloaded 1TB from your fileserver. 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. >> Data leak includes 1. Full emloyeers personal data 2. Network information 3. Schemes of buildings, active project information, architect details and contracts, 4. Finance info >>> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/7NT6LXKC1XQHW5039BLOV. >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.

URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/7NT6LXKC1XQHW5039BLOV

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 16 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\InstallConvertTo.png => C:\Users\Admin\Pictures\InstallConvertTo.png.y2VGe3tGZ	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
File renamed	C:\Users\Admin\Pictures\RestoreCompare.raw => C:\Users\Admin\Pictures\RestoreCompare.raw.y2VGe3tGZ	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
File opened for modification	C:\Users\Admin\Pictures\RestoreCompare.raw.y2VGe3tGZ	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
File renamed	C:\Users\Admin\Pictures\SelectWrite.tiff => C:\Users\Admin\Pictures\SelectWrite.tiff.y2VGe3tGZ	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
File renamed	C:\Users\Admin\Pictures\ClearSave.tif => C:\Users\Admin\Pictures\ClearSave.tif.y2VGe3tGZ	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
File opened for modification	C:\Users\Admin\Pictures\ClearSave.tif.y2VGe3tGZ	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
File opened for modification	C:\Users\Admin\Pictures\NewUnblock.tiff.y2VGe3tGZ	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
File renamed	C:\Users\Admin\Pictures\RedoLimit.tif => C:\Users\Admin\Pictures\RedoLimit.tif.y2VGe3tGZ	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
File opened for modification	C:\Users\Admin\Pictures\SelectWrite.tiff.y2VGe3tGZ	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
File opened for modification	C:\Users\Admin\Pictures\InstallConvertTo.png.y2VGe3tGZ	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
File opened for modification	C:\Users\Admin\Pictures\NewUnblock.tiff	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
File renamed	C:\Users\Admin\Pictures\NewUnblock.tiff => C:\Users\Admin\Pictures\NewUnblock.tiff.y2VGe3tGZ	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
File opened for modification	C:\Users\Admin\Pictures\SelectWrite.tiff	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
File opened for modification	C:\Users\Admin\Pictures\RedoLimit.tif.y2VGe3tGZ	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
File renamed	C:\Users\Admin\Pictures\SearchConnect.png => C:\Users\Admin\Pictures\SearchConnect.png.y2VGe3tGZ	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
File opened for modification	C:\Users\Admin\Pictures\SearchConnect.png.y2VGe3tGZ	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.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-1-5-21-2329389628-4064185017-3901522362-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\y2VGe3tGZ.bmp"	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\y2VGe3tGZ.bmp"	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe

Modifies Control Panel 3 IoCs

evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Control Panel\International	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Control Panel\Desktop	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Control Panel\Desktop\WallpaperStyle = "10"	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeBackupPrivilege	1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Token: SeDebugPrivilege	1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Token: 36	1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Token: SeImpersonatePrivilege	1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Token: SeIncBasePriorityPrivilege	1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Token: SeIncreaseQuotaPrivilege	1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Token: 33	1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Token: SeManageVolumePrivilege	1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Token: SeProfSingleProcessPrivilege	1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Token: SeRestorePrivilege	1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Token: SeSecurityPrivilege	1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Token: SeSystemProfilePrivilege	1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Token: SeTakeOwnershipPrivilege	1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Token: SeShutdownPrivilege	1672	84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
Token: SeBackupPrivilege	1492	vssvc.exe
Token: SeRestorePrivilege	1492	vssvc.exe
Token: SeAuditPrivilege	1492	vssvc.exe

C:\Users\Admin\AppData\Local\Temp\84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.exe
"C:\Users\Admin\AppData\Local\Temp\84af3f15701d259f3729d83beb15ca738028432c261353d1f9242469d791714f.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:1672

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1492

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/1672-55-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/1672-56-0x0000000001FE5000-0x0000000001FF6000-memory.dmp

Filesize
68KB

Download
memory/1672-57-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

Filesize
4KB

Download
memory/1672-58-0x0000000001FF6000-0x0000000001FF7000-memory.dmp

Filesize
4KB

Download

Analysis

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