Analysis Overview
SHA256
be08bb522045dd6dbf020ea65b7457d1fb0387edca2e8d39a8dadc06449af456
Threat Level: Known bad
The file 2024-06-02_e16b4d3ea88080431fbdefbedf57f155_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-02 04:49
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
2024-06-02 04:49
Reported
2024-06-02 04:52
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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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\lossy.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e16b4d3ea88080431fbdefbedf57f155_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2088 wrote to memory of 2192 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e16b4d3ea88080431fbdefbedf57f155_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2088 wrote to memory of 2192 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e16b4d3ea88080431fbdefbedf57f155_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2088 wrote to memory of 2192 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e16b4d3ea88080431fbdefbedf57f155_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 2088 wrote to memory of 2192 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e16b4d3ea88080431fbdefbedf57f155_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_e16b4d3ea88080431fbdefbedf57f155_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_e16b4d3ea88080431fbdefbedf57f155_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\lossy.exe
"C:\Users\Admin\AppData\Local\Temp\lossy.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2ndry.com | udp |
Files
memory/2088-0-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2088-1-0x0000000000320000-0x0000000000326000-memory.dmp
memory/2088-2-0x0000000000460000-0x0000000000466000-memory.dmp
memory/2088-9-0x0000000000320000-0x0000000000326000-memory.dmp
\Users\Admin\AppData\Local\Temp\lossy.exe
| MD5 | ea21a9f2322f1025f08a6fdca575b77c |
| SHA1 | 64abf3bfb99f657402bf259c0cc736ad77deca4f |
| SHA256 | 56a39ca7c530120002aafdae16e390569aa860e95c7779d7d41a142edbd13c34 |
| SHA512 | 8ed2f74f34c1053280554a333512d89c5f76887bb87628abb6849301230c750b3ca7b20d5acf9029dc39874508f7b450ee39a2193e82e34d85280672adf2071d |
memory/2088-15-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2192-17-0x0000000001BB0000-0x0000000001BB6000-memory.dmp
memory/2192-25-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2192-24-0x0000000000240000-0x0000000000246000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-02 04:49
Reported
2024-06-02 04:52
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e16b4d3ea88080431fbdefbedf57f155_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\lossy.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3112 wrote to memory of 2492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e16b4d3ea88080431fbdefbedf57f155_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 3112 wrote to memory of 2492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e16b4d3ea88080431fbdefbedf57f155_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
| PID 3112 wrote to memory of 2492 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_e16b4d3ea88080431fbdefbedf57f155_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\lossy.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_e16b4d3ea88080431fbdefbedf57f155_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_e16b4d3ea88080431fbdefbedf57f155_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\lossy.exe
"C:\Users\Admin\AppData\Local\Temp\lossy.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 --field-trial-handle=4156,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4124 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | 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 | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
| US | 8.8.8.8:53 | 2ndry.com | udp |
Files
memory/3112-0-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3112-1-0x00000000020C0000-0x00000000020C6000-memory.dmp
memory/3112-2-0x00000000020E0000-0x00000000020E6000-memory.dmp
memory/3112-9-0x00000000020C0000-0x00000000020C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\lossy.exe
| MD5 | ea21a9f2322f1025f08a6fdca575b77c |
| SHA1 | 64abf3bfb99f657402bf259c0cc736ad77deca4f |
| SHA256 | 56a39ca7c530120002aafdae16e390569aa860e95c7779d7d41a142edbd13c34 |
| SHA512 | 8ed2f74f34c1053280554a333512d89c5f76887bb87628abb6849301230c750b3ca7b20d5acf9029dc39874508f7b450ee39a2193e82e34d85280672adf2071d |
memory/3112-16-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2492-18-0x0000000008000000-0x000000000800A000-memory.dmp
memory/2492-20-0x0000000002060000-0x0000000002066000-memory.dmp
memory/2492-26-0x0000000000660000-0x0000000000666000-memory.dmp
memory/2492-27-0x0000000008000000-0x000000000800A000-memory.dmp