Analysis Overview
SHA256
4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6
Threat Level: Known bad
The file 4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6 was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Checks computer location settings
Loads dropped DLL
UPX packed file
Executes dropped EXE
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-10 21:54
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 |
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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-10 21:54
Reported
2024-06-10 21:57
Platform
win7-20240220-en
Max time kernel
147s
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 |
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 |
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\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.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 2028 wrote to memory of 2200 | N/A | C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2028 wrote to memory of 2200 | N/A | C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2028 wrote to memory of 2200 | N/A | C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2028 wrote to memory of 2200 | N/A | C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.exe
"C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.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 | 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 |
| 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/2028-0-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2028-9-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2028-8-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2028-1-0x00000000004F0000-0x00000000004F6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | dfd0660b9991935fd37380c38bb10067 |
| SHA1 | 4704f02344aeb8ae9c88b30e5d1a25625d0c24f3 |
| SHA256 | e3e8a3c5f99fbe95e93f1fbd2eb69e4100659393b5033ae2b332ace67f9ec934 |
| SHA512 | 640e29f74ce0514342a3a09180961c238764750e8b8530bac93f62ee38ce3c1311c0dbe474210fce842c6bc02c4394717e963f6eb7de1c509944cd2b8c136343 |
memory/2200-15-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2200-24-0x0000000000250000-0x0000000000256000-memory.dmp
memory/2200-25-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-10 21:54
Reported
2024-06-10 21:57
Platform
win10v2004-20240426-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 |
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-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.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 |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1960 wrote to memory of 4908 | N/A | C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1960 wrote to memory of 4908 | N/A | C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1960 wrote to memory of 4908 | N/A | C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.exe
"C:\Users\Admin\AppData\Local\Temp\4e56cf37c86eda556aa260fd11f073eadc9d13ced210d647700be5c6b7cfb6f6.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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
Files
memory/1960-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1960-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/1960-3-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/1960-9-0x00000000004D0000-0x00000000004D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | dfd0660b9991935fd37380c38bb10067 |
| SHA1 | 4704f02344aeb8ae9c88b30e5d1a25625d0c24f3 |
| SHA256 | e3e8a3c5f99fbe95e93f1fbd2eb69e4100659393b5033ae2b332ace67f9ec934 |
| SHA512 | 640e29f74ce0514342a3a09180961c238764750e8b8530bac93f62ee38ce3c1311c0dbe474210fce842c6bc02c4394717e963f6eb7de1c509944cd2b8c136343 |
memory/4908-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1960-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4908-20-0x0000000000600000-0x0000000000606000-memory.dmp
memory/4908-26-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/4908-27-0x0000000000500000-0x0000000000510000-memory.dmp