Analysis Overview
SHA256
48b8870e477a52ed5b39ebcd4bdce672d65c47be58f339d68d3bc18bc7743f13
Threat Level: Known bad
The file 2024-01-25_b9165fd666d2870d92217ccc6ed5be23_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Kinsing
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX packed file
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-25 17:36
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
2024-01-25 17:36
Reported
2024-01-25 17:39
Platform
win7-20231215-en
Max time kernel
150s
Max time network
140s
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\2024-01-25_b9165fd666d2870d92217ccc6ed5be23_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 2424 wrote to memory of 2732 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b9165fd666d2870d92217ccc6ed5be23_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2424 wrote to memory of 2732 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b9165fd666d2870d92217ccc6ed5be23_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2424 wrote to memory of 2732 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b9165fd666d2870d92217ccc6ed5be23_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2424 wrote to memory of 2732 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b9165fd666d2870d92217ccc6ed5be23_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_b9165fd666d2870d92217ccc6ed5be23_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b9165fd666d2870d92217ccc6ed5be23_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 | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | tcp |
Files
memory/2424-0-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2424-1-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2424-2-0x0000000000200000-0x0000000000206000-memory.dmp
memory/2424-4-0x00000000001D0000-0x00000000001D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | ce1cb297faffc1eef6c0dde16cf960a6 |
| SHA1 | f82b7cdce18eb258883dcb3fdab7b6afd6a9dfc1 |
| SHA256 | 519ee2a5e46314f05d0fe777b66760d7b3614e85f8a9ea790fc026b4343c1ef0 |
| SHA512 | 3f1df6229d553fe5407eabd03d2bcffc25a596107ad639af59b59c2aee3421d766d4815061845e9fc02abdad361878780b936470ef2eef2dbeabab179fae58d8 |
memory/2424-16-0x0000000001EA0000-0x0000000001EB0000-memory.dmp
memory/2424-15-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2732-17-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2732-20-0x00000000005F0000-0x00000000005F6000-memory.dmp
memory/2732-19-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2424-27-0x0000000001EA0000-0x0000000001EB0000-memory.dmp
memory/2732-28-0x0000000000500000-0x000000000050F311-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 17:36
Reported
2024-01-25 17:39
Platform
win10v2004-20231222-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Kinsing
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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b9165fd666d2870d92217ccc6ed5be23_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 |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4744 wrote to memory of 3644 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b9165fd666d2870d92217ccc6ed5be23_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4744 wrote to memory of 3644 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b9165fd666d2870d92217ccc6ed5be23_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4744 wrote to memory of 3644 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_b9165fd666d2870d92217ccc6ed5be23_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_b9165fd666d2870d92217ccc6ed5be23_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b9165fd666d2870d92217ccc6ed5be23_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 | 241.150.49.20.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 | 148.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.160.77.104.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 | 13.227.111.52.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 90.16.208.104.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
Files
memory/4744-0-0x0000000000500000-0x000000000050F311-memory.dmp
memory/4744-1-0x0000000000830000-0x0000000000836000-memory.dmp
memory/4744-3-0x00000000020F0000-0x00000000020F6000-memory.dmp
memory/4744-2-0x0000000000830000-0x0000000000836000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | ce1cb297faffc1eef6c0dde16cf960a6 |
| SHA1 | f82b7cdce18eb258883dcb3fdab7b6afd6a9dfc1 |
| SHA256 | 519ee2a5e46314f05d0fe777b66760d7b3614e85f8a9ea790fc026b4343c1ef0 |
| SHA512 | 3f1df6229d553fe5407eabd03d2bcffc25a596107ad639af59b59c2aee3421d766d4815061845e9fc02abdad361878780b936470ef2eef2dbeabab179fae58d8 |
memory/3644-17-0x0000000000500000-0x000000000050F311-memory.dmp
memory/4744-18-0x0000000000500000-0x000000000050F311-memory.dmp
memory/3644-20-0x00000000007E0000-0x00000000007E6000-memory.dmp
memory/3644-23-0x0000000000660000-0x0000000000666000-memory.dmp
memory/3644-27-0x0000000000500000-0x000000000050F311-memory.dmp