Analysis Overview
SHA256
9f20d4f5908416e71943749e75a4b08fca964c87e6a93a233b81cdf792fd4f65
Threat Level: Known bad
The file 2024-06-02_c6e2575af2bc37db023551ce04606835_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Loads dropped DLL
Executes dropped EXE
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
2024-06-02 04:46
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: behavioral2
Detonation Overview
Submitted
2024-06-02 04:46
Reported
2024-06-02 04:49
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
150s
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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-02_c6e2575af2bc37db023551ce04606835_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 3220 wrote to memory of 348 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_c6e2575af2bc37db023551ce04606835_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3220 wrote to memory of 348 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_c6e2575af2bc37db023551ce04606835_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3220 wrote to memory of 348 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_c6e2575af2bc37db023551ce04606835_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_c6e2575af2bc37db023551ce04606835_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_c6e2575af2bc37db023551ce04606835_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 | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | udp |
Files
memory/3220-0-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/3220-1-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/3220-8-0x00000000005A0000-0x00000000005A6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | ecd2085322991c5e2c7e82d3ecaab50b |
| SHA1 | 1fd503434b389d90eb6dcbdb16641df857e24fd1 |
| SHA256 | 1457c61b6be61d43d5abf9d32ccb1f7c50cc319061ec9cd9f8e4470c4352d92f |
| SHA512 | bb7346da0dbf6280e0177aad9cdedd670323967c5ec54c4d18c07ce367dab10a9e191fff086b854c93bb4057a152faa72f6d1ec843418081536457c14898f185 |
memory/348-17-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/348-23-0x00000000006A0000-0x00000000006A6000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-02 04:46
Reported
2024-06-02 04:49
Platform
win7-20240419-en
Max time kernel
147s
Max time network
148s
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\2024-06-02_c6e2575af2bc37db023551ce04606835_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3000 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_c6e2575af2bc37db023551ce04606835_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3000 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_c6e2575af2bc37db023551ce04606835_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3000 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_c6e2575af2bc37db023551ce04606835_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3000 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_c6e2575af2bc37db023551ce04606835_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_c6e2575af2bc37db023551ce04606835_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_c6e2575af2bc37db023551ce04606835_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 | 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 | 3.140.13.188:443 | emrlogistics.com | tcp |
| 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 | 3.140.13.188:443 | emrlogistics.com | tcp |
Files
memory/3000-0-0x0000000000240000-0x0000000000246000-memory.dmp
memory/3000-1-0x0000000000310000-0x0000000000316000-memory.dmp
memory/3000-8-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | ecd2085322991c5e2c7e82d3ecaab50b |
| SHA1 | 1fd503434b389d90eb6dcbdb16641df857e24fd1 |
| SHA256 | 1457c61b6be61d43d5abf9d32ccb1f7c50cc319061ec9cd9f8e4470c4352d92f |
| SHA512 | bb7346da0dbf6280e0177aad9cdedd670323967c5ec54c4d18c07ce367dab10a9e191fff086b854c93bb4057a152faa72f6d1ec843418081536457c14898f185 |
memory/2984-22-0x00000000002C0000-0x00000000002C6000-memory.dmp