Analysis Overview
SHA256
375bbbc7b03fad6cb636bc0bae9233785912042d8edf37d5d9419eb60b0057b2
Threat Level: Known bad
The file 2024-06-13_7077746279c6b427bfaf07d024430b55_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
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:37
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 03:37
Reported
2024-06-13 03:39
Platform
win7-20240220-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_7077746279c6b427bfaf07d024430b55_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2908 wrote to memory of 2508 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_7077746279c6b427bfaf07d024430b55_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2908 wrote to memory of 2508 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_7077746279c6b427bfaf07d024430b55_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2908 wrote to memory of 2508 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_7077746279c6b427bfaf07d024430b55_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2908 wrote to memory of 2508 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_7077746279c6b427bfaf07d024430b55_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_7077746279c6b427bfaf07d024430b55_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_7077746279c6b427bfaf07d024430b55_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/2908-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2908-1-0x0000000000350000-0x0000000000356000-memory.dmp
memory/2908-2-0x0000000000490000-0x0000000000496000-memory.dmp
memory/2908-9-0x0000000000350000-0x0000000000356000-memory.dmp
memory/2908-15-0x0000000000500000-0x000000000050B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 630e389b4485f04f657728ba06bfc348 |
| SHA1 | 9bf7ee461dcb9eccb26fd55d2937023595a8816c |
| SHA256 | bac303cdc0a6ed5dfad1dbf573f9e71244bc8121f39a25b19f1523e955eecd18 |
| SHA512 | 03c4d58dd931255d5d38b3f13298d012d84ac56a93026406f2bceae1d454454bc3d7802ab9fbcdb67251e3f9b60aa568802632eafb764aea90d9b4c7a8787d18 |
memory/2508-18-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2508-17-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2508-19-0x0000000000280000-0x0000000000286000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:37
Reported
2024-06-13 03:39
Platform
win10v2004-20240508-en
Max time kernel
150s
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 |
| 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\2024-06-13_7077746279c6b427bfaf07d024430b55_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 2800 wrote to memory of 4356 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_7077746279c6b427bfaf07d024430b55_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2800 wrote to memory of 4356 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_7077746279c6b427bfaf07d024430b55_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2800 wrote to memory of 4356 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_7077746279c6b427bfaf07d024430b55_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_7077746279c6b427bfaf07d024430b55_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_7077746279c6b427bfaf07d024430b55_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 --field-trial-handle=3756,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=4232 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | 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/2800-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2800-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/2800-2-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/2800-9-0x00000000004D0000-0x00000000004D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 630e389b4485f04f657728ba06bfc348 |
| SHA1 | 9bf7ee461dcb9eccb26fd55d2937023595a8816c |
| SHA256 | bac303cdc0a6ed5dfad1dbf573f9e71244bc8121f39a25b19f1523e955eecd18 |
| SHA512 | 03c4d58dd931255d5d38b3f13298d012d84ac56a93026406f2bceae1d454454bc3d7802ab9fbcdb67251e3f9b60aa568802632eafb764aea90d9b4c7a8787d18 |
memory/4356-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2800-18-0x0000000000500000-0x000000000050B000-memory.dmp
memory/4356-20-0x0000000000690000-0x0000000000696000-memory.dmp
memory/4356-26-0x0000000000660000-0x0000000000666000-memory.dmp
memory/4356-27-0x0000000000500000-0x000000000050B000-memory.dmp