Analysis Overview
SHA256
63b1b4cb66067ff8907e6e73b96bae07f42362cd9664763bfd044b734ef86b19
Threat Level: Known bad
The file 2024-06-13_c9c336bd1af4a2c030227174adc3231b_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
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:50
Signatures
Detection of CryptoLocker Variants
| 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
2024-06-13 03:50
Reported
2024-06-13 03:52
Platform
win7-20240221-en
Max time kernel
149s
Max time network
150s
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\2024-06-13_c9c336bd1af4a2c030227174adc3231b_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_c9c336bd1af4a2c030227174adc3231b_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 328 wrote to memory of 1816 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_c9c336bd1af4a2c030227174adc3231b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 328 wrote to memory of 1816 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_c9c336bd1af4a2c030227174adc3231b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 328 wrote to memory of 1816 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_c9c336bd1af4a2c030227174adc3231b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 328 wrote to memory of 1816 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_c9c336bd1af4a2c030227174adc3231b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_c9c336bd1af4a2c030227174adc3231b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_c9c336bd1af4a2c030227174adc3231b_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/328-0-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/328-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/328-8-0x00000000005A0000-0x00000000005A6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\rewok.exe
| MD5 | 50b69b352c17a849e7276b90ad4ede40 |
| SHA1 | 153c1f4cc16750e56afdeb1563dbd84a82841dd9 |
| SHA256 | 1e6c9f049e9bf57c70e2eb03fd19adfc5cec129a11a007d2d348c55c06ce4283 |
| SHA512 | 7ede628045eaf4dcb0de1bf82c12fc8ee34e7d038abee04b7124fbfa775ab9315ac07c2dcf0c4cead89e4da20b27a56ecce4471a222e173c02b6449bf5b25b0e |
memory/1816-23-0x0000000000370000-0x0000000000376000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:50
Reported
2024-06-13 03:52
Platform
win10v2004-20240611-en
Max time kernel
148s
Max time network
150s
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-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_c9c336bd1af4a2c030227174adc3231b_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 1016 wrote to memory of 2380 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_c9c336bd1af4a2c030227174adc3231b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 1016 wrote to memory of 2380 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_c9c336bd1af4a2c030227174adc3231b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
| PID 1016 wrote to memory of 2380 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_c9c336bd1af4a2c030227174adc3231b_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\rewok.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_c9c336bd1af4a2c030227174adc3231b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_c9c336bd1af4a2c030227174adc3231b_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 --field-trial-handle=4136,i,3671441404766730751,12082497324212183132,262144 --variations-seed-version --mojo-platform-channel-handle=4124 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | spinistry.com | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.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 | 203.107.17.2.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 | 88.16.208.104.in-addr.arpa | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
| US | 8.8.8.8:53 | 3.242.123.52.in-addr.arpa | udp |
| US | 64.98.135.121:443 | spinistry.com | tcp |
Files
memory/1016-0-0x0000000002250000-0x0000000002256000-memory.dmp
memory/1016-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/1016-8-0x0000000002250000-0x0000000002256000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\rewok.exe
| MD5 | 50b69b352c17a849e7276b90ad4ede40 |
| SHA1 | 153c1f4cc16750e56afdeb1563dbd84a82841dd9 |
| SHA256 | 1e6c9f049e9bf57c70e2eb03fd19adfc5cec129a11a007d2d348c55c06ce4283 |
| SHA512 | 7ede628045eaf4dcb0de1bf82c12fc8ee34e7d038abee04b7124fbfa775ab9315ac07c2dcf0c4cead89e4da20b27a56ecce4471a222e173c02b6449bf5b25b0e |
memory/2380-25-0x0000000002160000-0x0000000002166000-memory.dmp