Analysis Overview
SHA256
3a03530c732ebe53cdd7c17bee0988896d36c2b632dbd6118613697c2af82117
Threat Level: Known bad
The file b07ff2183904731e4905b1bc1e23d24e was found to be: Known bad.
Malicious Activity Summary
BlackMatter Ransomware
Renames multiple (135) files with added filename extension
Renames multiple (152) files with added filename extension
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Uses Volume Shadow Copy service COM API
Modifies Control Panel
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-19 22:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-19 22:03
Reported
2023-12-20 19:23
Platform
win7-20231215-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
BlackMatter Ransomware
Renames multiple (152) files with added filename extension
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\5XCNh4eNc.bmp" | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\5XCNh4eNc.bmp" | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Control Panel\International | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe
"C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | paymenthacks.com | udp |
| US | 204.11.56.48:443 | paymenthacks.com | tcp |
| US | 204.11.56.48:80 | paymenthacks.com | tcp |
| US | 8.8.8.8:53 | mojobiden.com | udp |
| US | 3.33.130.190:443 | mojobiden.com | tcp |
| US | 3.33.130.190:80 | mojobiden.com | tcp |
| US | 3.33.130.190:443 | mojobiden.com | tcp |
| US | 204.11.56.48:443 | paymenthacks.com | tcp |
| US | 204.11.56.48:443 | paymenthacks.com | tcp |
| US | 204.11.56.48:80 | paymenthacks.com | tcp |
| US | 3.33.130.190:443 | mojobiden.com | tcp |
| US | 3.33.130.190:443 | mojobiden.com | tcp |
Files
memory/2100-0-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2100-1-0x0000000001DC0000-0x0000000001E00000-memory.dmp
C:\Users\Admin\5XCNh4eNc.README.txt
| MD5 | 8a485e9f1237d69236522d2409a7fc3c |
| SHA1 | fab1b7c56399623ae49ba840d0a88deb20099b5d |
| SHA256 | d9006d5c753c364b27388831f03332f404b719a66f344ce8b1a340da24e93d53 |
| SHA512 | d0f2416496c77ad305de712ac8b6b42d9b57337eec88e66dddd8fc59309acda7a08ab3a492b961a850e8e501eafc0b23f6371af78210b86beefaae980e014483 |
C:\Users\Admin\AppData\Local\Temp\Cab12D7.tmp
| MD5 | ac05d27423a85adc1622c714f2cb6184 |
| SHA1 | b0fe2b1abddb97837ea0195be70ab2ff14d43198 |
| SHA256 | c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d |
| SHA512 | 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d |
C:\Users\Admin\AppData\Local\Temp\Tar21B9.tmp
| MD5 | 9c0c641c06238516f27941aa1166d427 |
| SHA1 | 64cd549fb8cf014fcd9312aa7a5b023847b6c977 |
| SHA256 | 4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f |
| SHA512 | 936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06 |
memory/2100-317-0x0000000000400000-0x0000000000415000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-19 22:03
Reported
2023-12-20 19:23
Platform
win10v2004-20231215-en
Max time kernel
143s
Max time network
151s
Command Line
Signatures
BlackMatter Ransomware
Renames multiple (135) files with added filename extension
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\jvdo5eVo9.bmp" | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\jvdo5eVo9.bmp" | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe
"C:\Users\Admin\AppData\Local\Temp\b07ff2183904731e4905b1bc1e23d24e.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | paymenthacks.com | udp |
| US | 204.11.56.48:443 | paymenthacks.com | tcp |
| US | 8.8.8.8:53 | 179.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.56.11.204.in-addr.arpa | udp |
| US | 204.11.56.48:80 | paymenthacks.com | tcp |
| US | 8.8.8.8:53 | mojobiden.com | udp |
| US | 3.33.130.190:443 | mojobiden.com | tcp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 190.130.33.3.in-addr.arpa | udp |
| US | 3.33.130.190:80 | mojobiden.com | tcp |
| US | 204.11.56.48:443 | paymenthacks.com | tcp |
| US | 8.8.8.8:53 | 41.249.124.192.in-addr.arpa | udp |
| US | 204.11.56.48:80 | paymenthacks.com | tcp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 3.33.130.190:443 | mojobiden.com | tcp |
| US | 8.8.8.8:53 | 208.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 181.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.173.189.20.in-addr.arpa | udp |
Files
memory/4692-0-0x0000000000400000-0x0000000000415000-memory.dmp
memory/4692-1-0x00000000020E0000-0x00000000020F0000-memory.dmp
memory/4692-2-0x00000000020E0000-0x00000000020F0000-memory.dmp
C:\jvdo5eVo9.README.txt
| MD5 | 8a485e9f1237d69236522d2409a7fc3c |
| SHA1 | fab1b7c56399623ae49ba840d0a88deb20099b5d |
| SHA256 | d9006d5c753c364b27388831f03332f404b719a66f344ce8b1a340da24e93d53 |
| SHA512 | d0f2416496c77ad305de712ac8b6b42d9b57337eec88e66dddd8fc59309acda7a08ab3a492b961a850e8e501eafc0b23f6371af78210b86beefaae980e014483 |
memory/4692-206-0x0000000000400000-0x0000000000415000-memory.dmp
memory/4692-208-0x00000000020E0000-0x00000000020F0000-memory.dmp
memory/4692-209-0x00000000020E0000-0x00000000020F0000-memory.dmp