Analysis Overview
SHA256
9c70e07e47b6adbed6d7a15793e9df12bc9f628dbe6820da8e8af829fd1f2e0b
Threat Level: Known bad
The file 2024-06-10_1919babdd13e7946899294d8b5718ba2_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
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
2024-06-10 04:38
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
2024-06-10 04:38
Reported
2024-06-10 04:41
Platform
win7-20240221-en
Max time kernel
149s
Max time network
153s
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\2024-06-10_1919babdd13e7946899294d8b5718ba2_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2192 wrote to memory of 2744 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_1919babdd13e7946899294d8b5718ba2_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2192 wrote to memory of 2744 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_1919babdd13e7946899294d8b5718ba2_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2192 wrote to memory of 2744 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_1919babdd13e7946899294d8b5718ba2_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2192 wrote to memory of 2744 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_1919babdd13e7946899294d8b5718ba2_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_1919babdd13e7946899294d8b5718ba2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_1919babdd13e7946899294d8b5718ba2_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/2192-0-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2192-8-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2192-1-0x0000000000340000-0x0000000000346000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 6f5b9a0972c52c5b3fc3ce0c9d5cb5b1 |
| SHA1 | c2326c6b578d72438ebfcdb83a5a774e8b90a8c1 |
| SHA256 | 8e6470c0e48b3a3f43e55cd21ac7c4d0fc11b058204e30bcfd0f47368de09161 |
| SHA512 | 100009a04692a9c8bea96dd393160621e7abc6ecd6bf4fda0eac894aa777c32741c8ba6ca9592aef3baa93ecd2cde2eeab8db8b8a6ceffec271c55db8f1dbc57 |
memory/2744-15-0x0000000000270000-0x0000000000276000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-10 04:38
Reported
2024-06-10 04:41
Platform
win10v2004-20240426-en
Max time kernel
148s
Max time network
151s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-10_1919babdd13e7946899294d8b5718ba2_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 2820 wrote to memory of 3012 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_1919babdd13e7946899294d8b5718ba2_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2820 wrote to memory of 3012 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_1919babdd13e7946899294d8b5718ba2_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2820 wrote to memory of 3012 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_1919babdd13e7946899294d8b5718ba2_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_1919babdd13e7946899294d8b5718ba2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_1919babdd13e7946899294d8b5718ba2_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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 27.73.42.20.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
Files
memory/2820-0-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/2820-1-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/2820-8-0x00000000006A0000-0x00000000006A6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 6f5b9a0972c52c5b3fc3ce0c9d5cb5b1 |
| SHA1 | c2326c6b578d72438ebfcdb83a5a774e8b90a8c1 |
| SHA256 | 8e6470c0e48b3a3f43e55cd21ac7c4d0fc11b058204e30bcfd0f47368de09161 |
| SHA512 | 100009a04692a9c8bea96dd393160621e7abc6ecd6bf4fda0eac894aa777c32741c8ba6ca9592aef3baa93ecd2cde2eeab8db8b8a6ceffec271c55db8f1dbc57 |
memory/3012-17-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/3012-18-0x00000000006D0000-0x00000000006D6000-memory.dmp