Analysis Overview
SHA256
439758450f01d706be42f700251f74cf7d9afa81282c6c81a734cea6e0b2f8b4
Threat Level: Known bad
The file 2024-06-13_3fd61b31baa1af575b0a5ad9d014cda5_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
Executes dropped EXE
Loads dropped DLL
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:31
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: behavioral1
Detonation Overview
Submitted
2024-06-13 03:31
Reported
2024-06-13 03:33
Platform
win7-20240611-en
Max time kernel
148s
Max time network
153s
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 |
| 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_3fd61b31baa1af575b0a5ad9d014cda5_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1152 wrote to memory of 2144 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3fd61b31baa1af575b0a5ad9d014cda5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1152 wrote to memory of 2144 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3fd61b31baa1af575b0a5ad9d014cda5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1152 wrote to memory of 2144 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3fd61b31baa1af575b0a5ad9d014cda5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1152 wrote to memory of 2144 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3fd61b31baa1af575b0a5ad9d014cda5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_3fd61b31baa1af575b0a5ad9d014cda5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_3fd61b31baa1af575b0a5ad9d014cda5_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 | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
Files
memory/1152-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1152-1-0x00000000004A0000-0x00000000004A6000-memory.dmp
memory/1152-8-0x00000000004A0000-0x00000000004A6000-memory.dmp
memory/1152-2-0x00000000004D0000-0x00000000004D6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 4690cce6e4a9aaf1c6619ecdac12dd99 |
| SHA1 | fd4e5402de2d97fe2c8a185f18760a9b398e070e |
| SHA256 | 56df8b1101eb19da8fc7afeb732c99dd16b982c54332819e8db142861a7fa577 |
| SHA512 | 76d51a0e39cde24aef3622e4fe2a48dd6025fc6f33adfe35591de6e22d7acea3070a91112f8287115db20e8278c6a8c6e5767aaedc6636d43bfb12b708013f00 |
memory/2144-16-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1152-14-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2144-18-0x00000000002B0000-0x00000000002B6000-memory.dmp
memory/2144-25-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2144-26-0x0000000000500000-0x000000000050B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:31
Reported
2024-06-13 03:33
Platform
win10v2004-20240226-en
Max time kernel
143s
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 |
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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3fd61b31baa1af575b0a5ad9d014cda5_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 1140 wrote to memory of 628 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3fd61b31baa1af575b0a5ad9d014cda5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1140 wrote to memory of 628 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3fd61b31baa1af575b0a5ad9d014cda5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1140 wrote to memory of 628 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_3fd61b31baa1af575b0a5ad9d014cda5_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_3fd61b31baa1af575b0a5ad9d014cda5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_3fd61b31baa1af575b0a5ad9d014cda5_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 --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| GB | 142.250.178.10:443 | tcp | |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| GB | 23.44.234.16:80 | tcp | |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 76.234.34.23.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | 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 | 8.8.8.8:53 | 4.173.189.20.in-addr.arpa | udp |
Files
memory/1140-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1140-1-0x0000000002190000-0x0000000002196000-memory.dmp
memory/1140-2-0x0000000002190000-0x0000000002196000-memory.dmp
memory/1140-3-0x00000000021B0000-0x00000000021B6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 4690cce6e4a9aaf1c6619ecdac12dd99 |
| SHA1 | fd4e5402de2d97fe2c8a185f18760a9b398e070e |
| SHA256 | 56df8b1101eb19da8fc7afeb732c99dd16b982c54332819e8db142861a7fa577 |
| SHA512 | 76d51a0e39cde24aef3622e4fe2a48dd6025fc6f33adfe35591de6e22d7acea3070a91112f8287115db20e8278c6a8c6e5767aaedc6636d43bfb12b708013f00 |
memory/1140-24-0x0000000000500000-0x000000000050B000-memory.dmp
memory/628-25-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/628-18-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/628-26-0x0000000000500000-0x000000000050B000-memory.dmp