Analysis Overview
SHA256
b9bb395500b1f57c3027578bb82c3c1c4694da9cc16ccfc6bcad234e1bd5fbce
Threat Level: Known bad
The file 2024-06-11_0fc0471ec66c3227f04d670050b6ac6e_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
UPX packed file
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-11 01:06
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 |
Detection of Cryptolocker Samples
| Description | Indicator | Process | Target |
| 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 |
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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-11 01:06
Reported
2024-06-11 01:08
Platform
win7-20231129-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 |
| 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\2024-06-11_0fc0471ec66c3227f04d670050b6ac6e_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 1680 wrote to memory of 2192 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0fc0471ec66c3227f04d670050b6ac6e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1680 wrote to memory of 2192 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0fc0471ec66c3227f04d670050b6ac6e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1680 wrote to memory of 2192 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0fc0471ec66c3227f04d670050b6ac6e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1680 wrote to memory of 2192 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0fc0471ec66c3227f04d670050b6ac6e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_0fc0471ec66c3227f04d670050b6ac6e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_0fc0471ec66c3227f04d670050b6ac6e_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 | 3.130.204.160:443 | 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 |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
Files
memory/1680-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1680-9-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1680-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1680-2-0x0000000000300000-0x0000000000306000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | d5e669737752be2ce6608436dfa07015 |
| SHA1 | 47e5ba8b03b0ae1cf5322ff545574f6bdc674646 |
| SHA256 | 9265225773454765e62fdb2a133120726fd5af510133319e306ba80f0c052ca2 |
| SHA512 | 2c926e303ab9ca62f32b6d11484c902b4f93f0ae17d54250f56dd6b327ad069e38044f52992544556205f92b098de3400d317bc5a8eda81e42f01768dc6fcf5a |
memory/1680-16-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2192-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2192-19-0x00000000003F0000-0x00000000003F6000-memory.dmp
memory/2192-26-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/2192-27-0x0000000000500000-0x000000000050F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 01:06
Reported
2024-06-11 01:08
Platform
win10v2004-20240426-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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0fc0471ec66c3227f04d670050b6ac6e_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 2008 wrote to memory of 1448 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0fc0471ec66c3227f04d670050b6ac6e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2008 wrote to memory of 1448 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0fc0471ec66c3227f04d670050b6ac6e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2008 wrote to memory of 1448 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_0fc0471ec66c3227f04d670050b6ac6e_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_0fc0471ec66c3227f04d670050b6ac6e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_0fc0471ec66c3227f04d670050b6ac6e_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 | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.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 | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 52.71.57.184:443 | emrlogistics.com | tcp |
| US | 52.111.227.11:443 | tcp | |
| US | 54.209.32.212:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 99.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.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 |
Files
memory/2008-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2008-1-0x0000000000620000-0x0000000000626000-memory.dmp
memory/2008-2-0x0000000000750000-0x0000000000756000-memory.dmp
memory/2008-9-0x0000000000620000-0x0000000000626000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | d5e669737752be2ce6608436dfa07015 |
| SHA1 | 47e5ba8b03b0ae1cf5322ff545574f6bdc674646 |
| SHA256 | 9265225773454765e62fdb2a133120726fd5af510133319e306ba80f0c052ca2 |
| SHA512 | 2c926e303ab9ca62f32b6d11484c902b4f93f0ae17d54250f56dd6b327ad069e38044f52992544556205f92b098de3400d317bc5a8eda81e42f01768dc6fcf5a |
memory/1448-19-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2008-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1448-21-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/1448-27-0x0000000000560000-0x0000000000566000-memory.dmp
memory/1448-28-0x0000000000500000-0x000000000050F000-memory.dmp