Analysis Overview
SHA256
5d6f29a54e4ebee9959e286bf49ee4e3ff280edb6231c87eaba4532f14af7915
Threat Level: Known bad
The file 2024-06-03_c489b30c1613bf60f71f6bc81d6a82f3_cryptolocker was found to be: Known bad.
Malicious Activity Summary
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Checks computer location settings
UPX packed file
Loads dropped DLL
Executes dropped EXE
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-03 07:44
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
2024-06-03 07:44
Reported
2024-06-03 07:47
Platform
win7-20240508-en
Max time kernel
148s
Max time network
148s
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\2024-06-03_c489b30c1613bf60f71f6bc81d6a82f3_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 2400 wrote to memory of 1036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_c489b30c1613bf60f71f6bc81d6a82f3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2400 wrote to memory of 1036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_c489b30c1613bf60f71f6bc81d6a82f3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2400 wrote to memory of 1036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_c489b30c1613bf60f71f6bc81d6a82f3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2400 wrote to memory of 1036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_c489b30c1613bf60f71f6bc81d6a82f3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-03_c489b30c1613bf60f71f6bc81d6a82f3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-03_c489b30c1613bf60f71f6bc81d6a82f3_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 | emrlogistics.com | tcp |
Files
memory/2400-0-0x0000000000420000-0x0000000000426000-memory.dmp
memory/2400-8-0x0000000000420000-0x0000000000426000-memory.dmp
memory/2400-7-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2400-1-0x00000000004A0000-0x00000000004A6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 1cc32f094c3f4a57673425f9654fc033 |
| SHA1 | 8d2e94ec7b62778a478eecb31c9764d8501b384b |
| SHA256 | 6daa110754b84c3705318b61d3e7ade22101bfd17f72709694b6e36b4ed00898 |
| SHA512 | e3961b4d426a93956b7b0a18081d961fef59b85596509ea84edfeeff36d3b118a8aa2536edd3c326d87b326a79c28b6aa7a2eda33b3a89ca116155bda6d6f4f3 |
memory/1036-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2400-14-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1036-18-0x0000000000600000-0x0000000000606000-memory.dmp
memory/1036-25-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/1036-26-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 07:44
Reported
2024-06-03 07:47
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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-03_c489b30c1613bf60f71f6bc81d6a82f3_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 2356 wrote to memory of 3360 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_c489b30c1613bf60f71f6bc81d6a82f3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2356 wrote to memory of 3360 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_c489b30c1613bf60f71f6bc81d6a82f3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2356 wrote to memory of 3360 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-03_c489b30c1613bf60f71f6bc81d6a82f3_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-03_c489b30c1613bf60f71f6bc81d6a82f3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-03_c489b30c1613bf60f71f6bc81d6a82f3_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 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.201.86.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 227.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| 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 | 8.8.8.8:53 | 90.16.208.104.in-addr.arpa | udp |
Files
memory/2356-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2356-1-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/2356-2-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/2356-3-0x00000000005C0000-0x00000000005C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 1cc32f094c3f4a57673425f9654fc033 |
| SHA1 | 8d2e94ec7b62778a478eecb31c9764d8501b384b |
| SHA256 | 6daa110754b84c3705318b61d3e7ade22101bfd17f72709694b6e36b4ed00898 |
| SHA512 | e3961b4d426a93956b7b0a18081d961fef59b85596509ea84edfeeff36d3b118a8aa2536edd3c326d87b326a79c28b6aa7a2eda33b3a89ca116155bda6d6f4f3 |
memory/3360-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2356-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3360-20-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/3360-26-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3360-27-0x0000000000500000-0x0000000000510000-memory.dmp