Analysis Overview
SHA256
4b5565c77b6cac62f7b7c9d08b1d2d146fc11771e1399bd496ea9ffadeb09386
Threat Level: Known bad
The file 2024-06-09_ad1d156e8bb19e69ee8d0d262537ad29_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
UPX packed file
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-09 07:34
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
2024-06-09 07:33
Reported
2024-06-09 07:37
Platform
win7-20240221-en
Max time kernel
148s
Max time network
149s
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 |
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 |
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\2024-06-09_ad1d156e8bb19e69ee8d0d262537ad29_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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1040 wrote to memory of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_ad1d156e8bb19e69ee8d0d262537ad29_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1040 wrote to memory of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_ad1d156e8bb19e69ee8d0d262537ad29_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1040 wrote to memory of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_ad1d156e8bb19e69ee8d0d262537ad29_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1040 wrote to memory of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_ad1d156e8bb19e69ee8d0d262537ad29_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-09_ad1d156e8bb19e69ee8d0d262537ad29_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-09_ad1d156e8bb19e69ee8d0d262537ad29_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 | 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 |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| 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/1040-0-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/1040-9-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/1040-8-0x0000000000500000-0x000000000050F311-memory.dmp
memory/1040-1-0x0000000000290000-0x0000000000296000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | affa2bac4eb8ba007608599320064592 |
| SHA1 | 3b44758d23cd6fd3e4f3faa81141bcb2bb432b8c |
| SHA256 | 488496c5d862442d7c3021ad6df81f4ba7b771ce761ea7c1a12a6d737054c01a |
| SHA512 | e89c1487f722a9136645c7557f43e576385785cc5ec2b1caee35145fd864f9824f0d9f37772e7017f6f6748f2945282cf321e4ed3011fbd217696cc76a85f9e3 |
memory/2872-15-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2872-17-0x0000000000310000-0x0000000000316000-memory.dmp
memory/2872-24-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/2872-25-0x0000000000500000-0x000000000050F311-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-09 07:33
Reported
2024-06-09 07:37
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 |
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 |
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-09_ad1d156e8bb19e69ee8d0d262537ad29_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 |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2916 wrote to memory of 1272 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_ad1d156e8bb19e69ee8d0d262537ad29_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2916 wrote to memory of 1272 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_ad1d156e8bb19e69ee8d0d262537ad29_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2916 wrote to memory of 1272 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-09_ad1d156e8bb19e69ee8d0d262537ad29_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-09_ad1d156e8bb19e69ee8d0d262537ad29_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-09_ad1d156e8bb19e69ee8d0d262537ad29_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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.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 | 13.227.111.52.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 |
Files
memory/2916-0-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2916-1-0x0000000000730000-0x0000000000736000-memory.dmp
memory/2916-2-0x0000000000730000-0x0000000000736000-memory.dmp
memory/2916-3-0x0000000000750000-0x0000000000756000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | affa2bac4eb8ba007608599320064592 |
| SHA1 | 3b44758d23cd6fd3e4f3faa81141bcb2bb432b8c |
| SHA256 | 488496c5d862442d7c3021ad6df81f4ba7b771ce761ea7c1a12a6d737054c01a |
| SHA512 | e89c1487f722a9136645c7557f43e576385785cc5ec2b1caee35145fd864f9824f0d9f37772e7017f6f6748f2945282cf321e4ed3011fbd217696cc76a85f9e3 |
memory/1272-25-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/1272-19-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/2916-17-0x0000000000500000-0x000000000050F311-memory.dmp
memory/1272-26-0x0000000000500000-0x000000000050F311-memory.dmp