Analysis Overview
SHA256
063c940fae5d316c85cbf0290dc911b8fa5ebe474c755a66db8ff84657ec1bec
Threat Level: Likely benign
The file 2024-06-18_1c4ede853ad9972b7f0628ee9b833e7e_blackkingdom_ryuk was found to be: Likely benign.
Malicious Activity Summary
Detects Pyinstaller
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-06-19 00:02
Signatures
Detects Pyinstaller
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-19 00:02
Reported
2024-06-19 00:05
Platform
win7-20240611-en
Max time kernel
117s
Max time network
121s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2248 wrote to memory of 1748 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-18_1c4ede853ad9972b7f0628ee9b833e7e_blackkingdom_ryuk.exe | C:\Windows\system32\WerFault.exe |
| PID 2248 wrote to memory of 1748 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-18_1c4ede853ad9972b7f0628ee9b833e7e_blackkingdom_ryuk.exe | C:\Windows\system32\WerFault.exe |
| PID 2248 wrote to memory of 1748 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-18_1c4ede853ad9972b7f0628ee9b833e7e_blackkingdom_ryuk.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-18_1c4ede853ad9972b7f0628ee9b833e7e_blackkingdom_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-18_1c4ede853ad9972b7f0628ee9b833e7e_blackkingdom_ryuk.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2248 -s 64
Network
Files
memory/2248-0-0x000000013FD90000-0x000000013FDEE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-19 00:02
Reported
2024-06-19 00:05
Platform
win10v2004-20240226-en
Max time kernel
142s
Max time network
150s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-18_1c4ede853ad9972b7f0628ee9b833e7e_blackkingdom_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-18_1c4ede853ad9972b7f0628ee9b833e7e_blackkingdom_ryuk.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4136 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 142.53.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 142.250.178.10:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 10.178.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.173.189.20.in-addr.arpa | udp |
Files
memory/3364-0-0x00007FF60F9B0000-0x00007FF60FA0E000-memory.dmp