Analysis Overview
SHA256
f784f269cfc66250dce1ce50fc804144861151b2fbf9c260351b4841f42ae6de
Threat Level: Known bad
The file 2024-06-10_e0f17ee4360c34ee7c7bafd8080d956e_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
UPX packed file
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-10 21:41
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 |
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 |
UPX packed file
| 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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-10 21:41
Reported
2024-06-10 21:44
Platform
win7-20240508-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 |
| 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 |
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\2024-06-10_e0f17ee4360c34ee7c7bafd8080d956e_cryptolocker.exe | N/A |
UPX packed file
| 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 |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2444 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_e0f17ee4360c34ee7c7bafd8080d956e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2444 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_e0f17ee4360c34ee7c7bafd8080d956e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2444 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_e0f17ee4360c34ee7c7bafd8080d956e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2444 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_e0f17ee4360c34ee7c7bafd8080d956e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_e0f17ee4360c34ee7c7bafd8080d956e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_e0f17ee4360c34ee7c7bafd8080d956e_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/2444-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2444-1-0x0000000000440000-0x0000000000446000-memory.dmp
memory/2444-2-0x00000000004C0000-0x00000000004C6000-memory.dmp
memory/2444-9-0x0000000000440000-0x0000000000446000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 75aa511b8642ae23bff1fc3a22deac6e |
| SHA1 | a65c73a943296aa81b103f29093c3a81bed6a10d |
| SHA256 | e112fe4bae004918faf0efb5ae338aeaa536a8c5f358d857915d3ee1ed11559b |
| SHA512 | adfdf748beddb136d7007b453384eda1029f471b672ce75839c5b8b97859f7efa0be6679f4a58656606ea915a2b2c8784f0d1f6ed8184c6a2b7959aeeeb64c31 |
memory/2444-12-0x0000000002740000-0x0000000002750000-memory.dmp
memory/2444-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2996-26-0x0000000000290000-0x0000000000296000-memory.dmp
memory/2996-27-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-10 21:41
Reported
2024-06-10 21:44
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 |
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-10_e0f17ee4360c34ee7c7bafd8080d956e_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 |
UPX packed file
| 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 |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1328 wrote to memory of 4600 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_e0f17ee4360c34ee7c7bafd8080d956e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1328 wrote to memory of 4600 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_e0f17ee4360c34ee7c7bafd8080d956e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1328 wrote to memory of 4600 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_e0f17ee4360c34ee7c7bafd8080d956e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_e0f17ee4360c34ee7c7bafd8080d956e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_e0f17ee4360c34ee7c7bafd8080d956e_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/1328-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1328-1-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/1328-2-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/1328-9-0x00000000005C0000-0x00000000005C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 75aa511b8642ae23bff1fc3a22deac6e |
| SHA1 | a65c73a943296aa81b103f29093c3a81bed6a10d |
| SHA256 | e112fe4bae004918faf0efb5ae338aeaa536a8c5f358d857915d3ee1ed11559b |
| SHA512 | adfdf748beddb136d7007b453384eda1029f471b672ce75839c5b8b97859f7efa0be6679f4a58656606ea915a2b2c8784f0d1f6ed8184c6a2b7959aeeeb64c31 |
memory/1328-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4600-20-0x0000000002070000-0x0000000002076000-memory.dmp
memory/4600-26-0x0000000000660000-0x0000000000666000-memory.dmp
memory/4600-27-0x0000000000500000-0x0000000000510000-memory.dmp