Analysis Overview
SHA256
7f6b4d24158c59b9a6fa7c9d0f315288f5de1c63b5116bb2df87e8756e7b7088
Threat Level: Known bad
The file 2024-06-13_316c98599c0d7c1a77aa1c1c63eb7f80_cryptolocker was found to be: Known bad.
Malicious Activity Summary
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Executes dropped EXE
Loads dropped DLL
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
2024-06-13 03:28
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX dump on OEP (original entry point)
| 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 03:28
Reported
2024-06-13 03:31
Platform
win7-20240419-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 |
| 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 |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
UPX dump on OEP (original entry point)
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\asih.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_316c98599c0d7c1a77aa1c1c63eb7f80_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1824 wrote to memory of 2424 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_316c98599c0d7c1a77aa1c1c63eb7f80_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1824 wrote to memory of 2424 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_316c98599c0d7c1a77aa1c1c63eb7f80_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1824 wrote to memory of 2424 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_316c98599c0d7c1a77aa1c1c63eb7f80_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1824 wrote to memory of 2424 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_316c98599c0d7c1a77aa1c1c63eb7f80_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_316c98599c0d7c1a77aa1c1c63eb7f80_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_316c98599c0d7c1a77aa1c1c63eb7f80_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
Files
memory/1824-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1824-1-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/1824-2-0x0000000000460000-0x0000000000466000-memory.dmp
memory/1824-9-0x00000000002C0000-0x00000000002C6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | b7601b3ae5808fa83da7cbb07e71c4c2 |
| SHA1 | 3a251503ef4102846cfb7c199d9deb6382e2c1e1 |
| SHA256 | 9138d5a37dba409f8d49b09ceec447aa4c439ddb3e7327fa71793fe0fab4fdb1 |
| SHA512 | aa96d42ebf6c957dce46af72ec90095980d5d9b29cf911402799c91f56b82478a055001e0401e26110e60b1c65b7cd0123471b5131abc41ff9df766f7bb7128f |
memory/1824-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2424-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2424-19-0x0000000000290000-0x0000000000296000-memory.dmp
memory/2424-26-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2424-27-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:28
Reported
2024-06-13 03:31
Platform
win10v2004-20240611-en
Max time kernel
148s
Max time network
152s
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 |
Detection of Cryptolocker Samples
| 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 |
UPX dump on OEP (original entry point)
| 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-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_316c98599c0d7c1a77aa1c1c63eb7f80_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\asih.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1252 wrote to memory of 3412 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_316c98599c0d7c1a77aa1c1c63eb7f80_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1252 wrote to memory of 3412 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_316c98599c0d7c1a77aa1c1c63eb7f80_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1252 wrote to memory of 3412 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_316c98599c0d7c1a77aa1c1c63eb7f80_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_316c98599c0d7c1a77aa1c1c63eb7f80_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_316c98599c0d7c1a77aa1c1c63eb7f80_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.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=4280,i,6522675234395427298,2952738987384583032,262144 --variations-seed-version --mojo-platform-channel-handle=4288 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 13.107.42.16:443 | tcp | |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 76.234.34.23.in-addr.arpa | udp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 199.232.210.172:80 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
Files
memory/1252-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/1252-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1252-6-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/1252-2-0x00000000004F0000-0x00000000004F6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | b7601b3ae5808fa83da7cbb07e71c4c2 |
| SHA1 | 3a251503ef4102846cfb7c199d9deb6382e2c1e1 |
| SHA256 | 9138d5a37dba409f8d49b09ceec447aa4c439ddb3e7327fa71793fe0fab4fdb1 |
| SHA512 | aa96d42ebf6c957dce46af72ec90095980d5d9b29cf911402799c91f56b82478a055001e0401e26110e60b1c65b7cd0123471b5131abc41ff9df766f7bb7128f |
memory/3412-19-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1252-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3412-21-0x0000000001FF0000-0x0000000001FF6000-memory.dmp
memory/3412-27-0x0000000000620000-0x0000000000626000-memory.dmp
memory/3412-28-0x0000000000500000-0x0000000000510000-memory.dmp