Analysis Overview
SHA256
3c4954218eac6a224125c94835bbb28cc952ef0fad93e058c55b732abff3687d
Threat Level: Known bad
The file 2024-06-06_cb7bf86ef245dda0b3b347c2eedf287f_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Checks computer location settings
Executes dropped EXE
UPX packed file
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-06 21:35
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
2024-06-06 21:35
Reported
2024-06-06 21:38
Platform
win7-20240221-en
Max time kernel
149s
Max time network
138s
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\2024-06-06_cb7bf86ef245dda0b3b347c2eedf287f_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 2336 wrote to memory of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb7bf86ef245dda0b3b347c2eedf287f_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2336 wrote to memory of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb7bf86ef245dda0b3b347c2eedf287f_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2336 wrote to memory of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb7bf86ef245dda0b3b347c2eedf287f_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2336 wrote to memory of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb7bf86ef245dda0b3b347c2eedf287f_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb7bf86ef245dda0b3b347c2eedf287f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb7bf86ef245dda0b3b347c2eedf287f_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 | 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 | tcp |
Files
memory/2336-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2336-1-0x00000000002D0000-0x00000000002D6000-memory.dmp
memory/2336-2-0x00000000002D0000-0x00000000002D6000-memory.dmp
memory/2336-3-0x0000000000470000-0x0000000000476000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 8f8566445173ee20a703809e19c82354 |
| SHA1 | 87fc5254ff25ea1c7dfa4851f28e9c17950192fe |
| SHA256 | 26496d4f35cd11c9185525025c7711313c1da46be326fed4dadd5365f9291454 |
| SHA512 | fddc22e49190e9c91969d13d51d74e6b3581dc1c62fd52d1709ccdfbf2fdba7610da04508b10c4d00e95cb64d052625c2f18887b1ec66fce2d4e7a7924b98dad |
memory/2336-15-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2180-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2180-18-0x0000000000210000-0x0000000000216000-memory.dmp
memory/2180-25-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2180-26-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-06 21:35
Reported
2024-06-06 21:38
Platform
win10v2004-20240508-en
Max time kernel
148s
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 |
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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb7bf86ef245dda0b3b347c2eedf287f_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 4648 wrote to memory of 4712 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb7bf86ef245dda0b3b347c2eedf287f_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4648 wrote to memory of 4712 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb7bf86ef245dda0b3b347c2eedf287f_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4648 wrote to memory of 4712 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb7bf86ef245dda0b3b347c2eedf287f_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb7bf86ef245dda0b3b347c2eedf287f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-06_cb7bf86ef245dda0b3b347c2eedf287f_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 | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
Files
memory/4648-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4648-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/4648-2-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/4648-9-0x00000000004D0000-0x00000000004D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 8f8566445173ee20a703809e19c82354 |
| SHA1 | 87fc5254ff25ea1c7dfa4851f28e9c17950192fe |
| SHA256 | 26496d4f35cd11c9185525025c7711313c1da46be326fed4dadd5365f9291454 |
| SHA512 | fddc22e49190e9c91969d13d51d74e6b3581dc1c62fd52d1709ccdfbf2fdba7610da04508b10c4d00e95cb64d052625c2f18887b1ec66fce2d4e7a7924b98dad |
memory/4712-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4648-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4712-20-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/4712-26-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/4712-27-0x0000000000500000-0x0000000000510000-memory.dmp