Analysis Overview
SHA256
6a28b7a62ce3c183332843d4e1fa09dfdb9e5c51337b47040f45b75e56205d97
Threat Level: Known bad
The file 2024-06-13_b5774ab49f032667d3c06f1c647c6928_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:49
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detection of Cryptolocker Samples
| 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: behavioral2
Detonation Overview
Submitted
2024-06-13 03:49
Reported
2024-06-13 03:51
Platform
win10v2004-20240611-en
Max time kernel
147s
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 |
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 |
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_b5774ab49f032667d3c06f1c647c6928_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 1400 wrote to memory of 4932 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1400 wrote to memory of 4932 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1400 wrote to memory of 4932 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_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=4172,i,8447163055677043976,7218082390179600880,262144 --variations-seed-version --mojo-platform-channel-handle=4572 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| 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 | 13.107.42.16:443 | tcp | |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.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 | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| 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 |
Files
memory/1400-2-0x0000000002070000-0x0000000002076000-memory.dmp
memory/1400-1-0x0000000002050000-0x0000000002056000-memory.dmp
memory/1400-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1400-9-0x0000000002050000-0x0000000002056000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 4c81d2e789c3bf6d6eec8c5d33947ea9 |
| SHA1 | 62e9d2d570ba517da2b3e28ec08cb4561d6a43f0 |
| SHA256 | 5494d7dc193b224c9bcbcefe68d6d6d094e41b6c40415d3f622885824b42b617 |
| SHA512 | 1a9310836ea06805f75269cd3d1e7cf1e3a2d0891759f2a313efd31a7427d1a0a1c8545cc59eba94ca5e7ea95ec7568eb76172bd02c34ee6a29a45ba65d02708 |
memory/4932-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1400-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4932-20-0x0000000001FF0000-0x0000000001FF6000-memory.dmp
memory/4932-26-0x00000000006A0000-0x00000000006A6000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-13 03:49
Reported
2024-06-13 03:51
Platform
win7-20240221-en
Max time kernel
148s
Max time network
148s
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 |
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 |
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_b5774ab49f032667d3c06f1c647c6928_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1312 wrote to memory of 2540 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1312 wrote to memory of 2540 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1312 wrote to memory of 2540 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1312 wrote to memory of 2540 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_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 | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
Files
memory/1312-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1312-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1312-2-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1312-3-0x0000000000300000-0x0000000000306000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 4c81d2e789c3bf6d6eec8c5d33947ea9 |
| SHA1 | 62e9d2d570ba517da2b3e28ec08cb4561d6a43f0 |
| SHA256 | 5494d7dc193b224c9bcbcefe68d6d6d094e41b6c40415d3f622885824b42b617 |
| SHA512 | 1a9310836ea06805f75269cd3d1e7cf1e3a2d0891759f2a313efd31a7427d1a0a1c8545cc59eba94ca5e7ea95ec7568eb76172bd02c34ee6a29a45ba65d02708 |
memory/2540-24-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2540-17-0x0000000000290000-0x0000000000296000-memory.dmp
memory/1312-15-0x0000000000500000-0x000000000050F000-memory.dmp