Analysis Overview
SHA256
b75d5910b1f48d41bed8a29967091c7bb97c3dfbe4d8c4e14b5a78308d53ee97
Threat Level: Known bad
The file 2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Enumerates physical storage devices
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-06 21:39
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-06 21:39
Reported
2024-06-06 21:42
Platform
win10v2004-20240226-en
Max time kernel
151s
Max time network
156s
Command Line
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rewok.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5064 wrote to memory of 3996 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 5064 wrote to memory of 3996 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 5064 wrote to memory of 3996 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\rewok.exe
"C:\Users\Admin\AppData\Local\Temp\rewok.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=3684 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 172.217.16.234:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | pki.goog | udp |
| US | 8.8.8.8:53 | pki.goog | udp |
| US | 216.239.32.29:80 | pki.goog | tcp |
| US | 8.8.8.8:53 | 234.16.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.32.239.216.in-addr.arpa | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 8.8.8.8:53 | 252.15.104.51.in-addr.arpa | udp |
Files
memory/5064-0-0x0000000000730000-0x0000000000736000-memory.dmp
memory/5064-1-0x0000000000730000-0x0000000000736000-memory.dmp
memory/5064-2-0x0000000000400000-0x0000000000406000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\rewok.exe
| MD5 | ebf17f8bfb564936eab4dc5794406f54 |
| SHA1 | c80f071c92a45004b6a0e0b7827fa0d2670d4538 |
| SHA256 | f9ab409c2f4156e7f6963bb275a92a8967791125671fb490337141ec6cceb075 |
| SHA512 | 1d6345c4dcc9a0356053cc417d0b512acb11d8afa7afc8c272af0dfcaa1ca7f238c7aae5da2c580c8059692a1bb5f51eb8a0ca9470718d5626750213d97079a8 |
memory/3996-25-0x0000000002210000-0x0000000002216000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-06 21:39
Reported
2024-06-06 21:42
Platform
win7-20231129-en
Max time kernel
147s
Max time network
149s
Command Line
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rewok.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rewok.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3004 wrote to memory of 2552 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 3004 wrote to memory of 2552 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 3004 wrote to memory of 2552 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 3004 wrote to memory of 2552 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-06_f1432583ed741649cb501945b93bdcdc_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\rewok.exe
"C:\Users\Admin\AppData\Local\Temp\rewok.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
Files
memory/3004-0-0x0000000000780000-0x0000000000786000-memory.dmp
memory/3004-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/3004-8-0x0000000000780000-0x0000000000786000-memory.dmp
\Users\Admin\AppData\Local\Temp\rewok.exe
| MD5 | ebf17f8bfb564936eab4dc5794406f54 |
| SHA1 | c80f071c92a45004b6a0e0b7827fa0d2670d4538 |
| SHA256 | f9ab409c2f4156e7f6963bb275a92a8967791125671fb490337141ec6cceb075 |
| SHA512 | 1d6345c4dcc9a0356053cc417d0b512acb11d8afa7afc8c272af0dfcaa1ca7f238c7aae5da2c580c8059692a1bb5f51eb8a0ca9470718d5626750213d97079a8 |
memory/2552-23-0x00000000003C0000-0x00000000003C6000-memory.dmp