Analysis Overview
SHA256
b67696be44854032ae60560af45d0011ef103ec142b79ed955ac63e910857cbe
Threat Level: Known bad
The file 2024-01-25_6ae29102bfd181035d4097c3bcb00a76_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Kinsing
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Executes dropped EXE
Loads dropped DLL
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
2024-01-25 15:36
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 |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-25 15:36
Reported
2024-01-25 15:39
Platform
win7-20231215-en
Max time kernel
150s
Max time network
154s
Command Line
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 |
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_6ae29102bfd181035d4097c3bcb00a76_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1992 wrote to memory of 2696 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_6ae29102bfd181035d4097c3bcb00a76_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1992 wrote to memory of 2696 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_6ae29102bfd181035d4097c3bcb00a76_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1992 wrote to memory of 2696 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_6ae29102bfd181035d4097c3bcb00a76_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1992 wrote to memory of 2696 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_6ae29102bfd181035d4097c3bcb00a76_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_6ae29102bfd181035d4097c3bcb00a76_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_6ae29102bfd181035d4097c3bcb00a76_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 | 3.94.41.167:443 | 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 |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
Files
memory/1992-0-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/1992-1-0x00000000005F0000-0x00000000005F6000-memory.dmp
memory/1992-2-0x00000000002C0000-0x00000000002C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | bfe05d15695ce9d9a497999046375769 |
| SHA1 | 9829458bea44d9ec6f942bf42b63afcf16f9bb75 |
| SHA256 | 69c7d5d9cda65c9668c1654f259e62bc2a47b31a96d50e710e46a041e56da253 |
| SHA512 | 85b5fc14f03dbf1d851316e4cd7b0d3b33564bfdcae4bff70dd745de5c6a9ddf7681bdd0e5dc6ce64487ccb6392337bd54f90ff0211a593baff8bcd057f96257 |
memory/2696-15-0x00000000002F0000-0x00000000002F6000-memory.dmp
memory/2696-16-0x0000000000240000-0x0000000000246000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 15:36
Reported
2024-01-25 15:39
Platform
win10v2004-20231222-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
Kinsing
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 |
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_6ae29102bfd181035d4097c3bcb00a76_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 4792 wrote to memory of 4836 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_6ae29102bfd181035d4097c3bcb00a76_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4792 wrote to memory of 4836 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_6ae29102bfd181035d4097c3bcb00a76_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4792 wrote to memory of 4836 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_6ae29102bfd181035d4097c3bcb00a76_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_6ae29102bfd181035d4097c3bcb00a76_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_6ae29102bfd181035d4097c3bcb00a76_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 | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 177.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.160.77.104.in-addr.arpa | udp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 16.234.44.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 187.178.17.96.in-addr.arpa | 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 |
Files
memory/4792-0-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/4792-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/4792-2-0x00000000004F0000-0x00000000004F6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | bfe05d15695ce9d9a497999046375769 |
| SHA1 | 9829458bea44d9ec6f942bf42b63afcf16f9bb75 |
| SHA256 | 69c7d5d9cda65c9668c1654f259e62bc2a47b31a96d50e710e46a041e56da253 |
| SHA512 | 85b5fc14f03dbf1d851316e4cd7b0d3b33564bfdcae4bff70dd745de5c6a9ddf7681bdd0e5dc6ce64487ccb6392337bd54f90ff0211a593baff8bcd057f96257 |