Analysis Overview
SHA256
a78573e0a9d789fe1968ef0fa5aa06cf2cb65fcb5a5307fa47a7b6f7fff06fcc
Threat Level: Likely benign
The file 2024-05-28_ccd9ff329f36af5e6a235adefecf2f24_ryuk was found to be: Likely benign.
Malicious Activity Summary
Drops file in System32 directory
Unsigned PE
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-05-28 20:24
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-28 20:24
Reported
2024-05-28 20:26
Platform
win7-20240221-en
Max time kernel
121s
Max time network
126s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-28_ccd9ff329f36af5e6a235adefecf2f24_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-28_ccd9ff329f36af5e6a235adefecf2f24_ryuk.exe"
Network
Files
memory/2420-0-0x0000000140000000-0x00000001401EE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-28 20:24
Reported
2024-05-28 20:26
Platform
win10v2004-20240508-en
Max time kernel
133s
Max time network
103s
Command Line
Signatures
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\System32\alg.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-28_ccd9ff329f36af5e6a235adefecf2f24_ryuk.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-28_ccd9ff329f36af5e6a235adefecf2f24_ryuk.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-05-28_ccd9ff329f36af5e6a235adefecf2f24_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-28_ccd9ff329f36af5e6a235adefecf2f24_ryuk.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| NL | 23.62.61.178:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 178.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/224-0-0x0000000140000000-0x00000001401EE000-memory.dmp
memory/224-1-0x00000000021F0000-0x0000000002250000-memory.dmp
memory/224-9-0x00000000021F0000-0x0000000002250000-memory.dmp
memory/224-7-0x00000000021F0000-0x0000000002250000-memory.dmp
memory/224-12-0x00000000021F0000-0x0000000002250000-memory.dmp
memory/224-13-0x0000000140000000-0x00000001401EE000-memory.dmp