Analysis Overview
SHA256
acf316b2abcf74f8899c115c5762229db53650c9732d740413d08d11cd84fc16
Threat Level: Known bad
The file 2024-06-13_a731e1732b2af5af00244d2deb9d293d_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
Checks computer location settings
Executes dropped EXE
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 03:47
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
2024-06-13 03:47
Reported
2024-06-13 03:49
Platform
win7-20240611-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 |
| 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 |
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\2024-06-13_a731e1732b2af5af00244d2deb9d293d_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2012 wrote to memory of 2208 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_a731e1732b2af5af00244d2deb9d293d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2012 wrote to memory of 2208 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_a731e1732b2af5af00244d2deb9d293d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2012 wrote to memory of 2208 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_a731e1732b2af5af00244d2deb9d293d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2012 wrote to memory of 2208 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_a731e1732b2af5af00244d2deb9d293d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_a731e1732b2af5af00244d2deb9d293d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_a731e1732b2af5af00244d2deb9d293d_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 | 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 | 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 |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
Files
memory/2012-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2012-1-0x0000000000420000-0x0000000000426000-memory.dmp
memory/2012-2-0x0000000000450000-0x0000000000456000-memory.dmp
memory/2012-9-0x0000000000420000-0x0000000000426000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 885517f18b81f58d27517fcb234adb9b |
| SHA1 | 7a00b9815804001048131b999fe4b8684c3a0b0f |
| SHA256 | 327d60d75a1230d2c5852c62114b05a0d65f3ef03b07110809ffc0955a500acb |
| SHA512 | 99ff4ad68fd6ba7c49199b5784d426b1c603a077f44c9b870bc0c57dc9464e2f02b6fd31b325aa81f6e6bcfd0d7c71b3b74bbdcb601f0607e05dcb7d0fdd6aef |
memory/2012-15-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2208-17-0x0000000000270000-0x0000000000276000-memory.dmp
memory/2208-24-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2208-25-0x0000000000500000-0x000000000050B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 03:47
Reported
2024-06-13 03:49
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
150s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_a731e1732b2af5af00244d2deb9d293d_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 1724 wrote to memory of 904 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_a731e1732b2af5af00244d2deb9d293d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1724 wrote to memory of 904 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_a731e1732b2af5af00244d2deb9d293d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1724 wrote to memory of 904 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_a731e1732b2af5af00244d2deb9d293d_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_a731e1732b2af5af00244d2deb9d293d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_a731e1732b2af5af00244d2deb9d293d_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 | 23.53.113.159:80 | tcp | |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
Files
memory/1724-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1724-1-0x0000000000630000-0x0000000000636000-memory.dmp
memory/1724-2-0x0000000000650000-0x0000000000656000-memory.dmp
memory/1724-9-0x0000000000630000-0x0000000000636000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 885517f18b81f58d27517fcb234adb9b |
| SHA1 | 7a00b9815804001048131b999fe4b8684c3a0b0f |
| SHA256 | 327d60d75a1230d2c5852c62114b05a0d65f3ef03b07110809ffc0955a500acb |
| SHA512 | 99ff4ad68fd6ba7c49199b5784d426b1c603a077f44c9b870bc0c57dc9464e2f02b6fd31b325aa81f6e6bcfd0d7c71b3b74bbdcb601f0607e05dcb7d0fdd6aef |
memory/1724-18-0x0000000000500000-0x000000000050B000-memory.dmp
memory/904-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/904-26-0x0000000000660000-0x0000000000666000-memory.dmp
memory/904-20-0x0000000000820000-0x0000000000826000-memory.dmp
memory/904-27-0x0000000000500000-0x000000000050B000-memory.dmp