blackmatter | 8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952

General

Target

8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Size

80KB
MD5

bd888dddb2e341518b1cd9efff2f80cd
SHA1

8e06e25de1c77dae2447adb7dbe10c80153e902c
SHA256

8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952
SHA512

0385151f8ca63613f46dda29206cc139f060735f898bc16e85c987de3f2ae552c0a64e1a5e79c183ea4aa7cf2963a7922389ae5ec0b7d28400875e9a19ef969c
SSDEEP

1536:5nICS4A79p2qFTM2HT02F4mHI5mOh0kUTMa:6pOqFQ2HT025Hy1

Score

10^/10

blackmatter ransomware

Malware Config

Extracted

Path

F:\roQADg4Ah.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
Renames multiple (176) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\roQADg4Ah.bmp"	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\roQADg4Ah.bmp"	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe

Modifies Control Panel 3 IoCs

evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\Desktop	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\Desktop\WallpaperStyle = "10"	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeBackupPrivilege	1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeDebugPrivilege	1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: 36	1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeImpersonatePrivilege	1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeIncBasePriorityPrivilege	1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeIncreaseQuotaPrivilege	1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: 33	1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeManageVolumePrivilege	1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeProfSingleProcessPrivilege	1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeRestorePrivilege	1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeSecurityPrivilege	1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeSystemProfilePrivilege	1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeTakeOwnershipPrivilege	1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeShutdownPrivilege	1952	8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
Token: SeBackupPrivilege	2920	vssvc.exe
Token: SeRestorePrivilege	2920	vssvc.exe
Token: SeAuditPrivilege	2920	vssvc.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe
"C:\Users\Admin\AppData\Local\Temp\8eada5114fbbc73b7d648b38623fc206367c94c0e76cb3b395a33ea8859d2952.exe"
1⤵
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1952

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

F:\roQADg4Ah.README.txt

Filesize
1KB

MD5
c564ca5c66e6e957820307f070d8f4da

SHA1
ea40974408be8aa2ef8ba5a9579776ea0a68d32c

SHA256
2c0232c585a6a91ef670c929a36033f662fa13c0f8caab8f05f94a8ed8cb1c31

SHA512
9ae6739d3fc90ebfe45f0036dc484d3870d34e564c6405888d23b020b3c8f5d3061861ce2690743cd56fcb9ba91ec7baa5f749aea05165ab47b46ffe0c087b1a

Download Submit
memory/1952-0-0x0000000003130000-0x0000000003140000-memory.dmp

Filesize
64KB

Download
memory/1952-1-0x0000000003130000-0x0000000003140000-memory.dmp

Filesize
64KB

Download

Analysis

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