Analysis Overview
SHA256
ae4874c36d7efe3ca054ae6cbbcc7c3725fe9aa8c3a76e113edce4d46585d0fd
Threat Level: Known bad
The file 2024-06-10_d3c2c74b97abb84ad66f2b6fbd21012a_cryptolocker was found to be: Known bad.
Malicious Activity Summary
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Executes dropped EXE
Loads dropped DLL
UPX packed file
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-10 21:41
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
2024-06-10 21:41
Reported
2024-06-10 21:43
Platform
win7-20240508-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 |
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\2024-06-10_d3c2c74b97abb84ad66f2b6fbd21012a_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 1700 wrote to memory of 2068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_d3c2c74b97abb84ad66f2b6fbd21012a_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1700 wrote to memory of 2068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_d3c2c74b97abb84ad66f2b6fbd21012a_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1700 wrote to memory of 2068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_d3c2c74b97abb84ad66f2b6fbd21012a_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1700 wrote to memory of 2068 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_d3c2c74b97abb84ad66f2b6fbd21012a_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_d3c2c74b97abb84ad66f2b6fbd21012a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_d3c2c74b97abb84ad66f2b6fbd21012a_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 | 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/1700-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1700-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1700-2-0x0000000000280000-0x0000000000286000-memory.dmp
memory/1700-9-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 2a17664ae543d63eccdcd70ddb2ba347 |
| SHA1 | cf3ef05e703b0f648b099d017babd376a66ac711 |
| SHA256 | abd869a36a7c4b5f81ccfa82646b9f4107eae7032466eedd9f614528c88d822c |
| SHA512 | 311c2cb3ed7ac16849d222de7b8bc39a73fda51019ea2c934f53925931dec9143576a67bb6299db5a5f4925c667df1f2c85d227cb97322b74b63570a2c4beb0b |
memory/1700-15-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2068-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2068-18-0x0000000000290000-0x0000000000296000-memory.dmp
memory/2068-25-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2068-26-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-10 21:41
Reported
2024-06-10 21:43
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 |
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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-10_d3c2c74b97abb84ad66f2b6fbd21012a_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 1392 wrote to memory of 4052 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_d3c2c74b97abb84ad66f2b6fbd21012a_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1392 wrote to memory of 4052 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_d3c2c74b97abb84ad66f2b6fbd21012a_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1392 wrote to memory of 4052 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_d3c2c74b97abb84ad66f2b6fbd21012a_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_d3c2c74b97abb84ad66f2b6fbd21012a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_d3c2c74b97abb84ad66f2b6fbd21012a_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 | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | 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 |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
Files
memory/1392-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1392-1-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/1392-2-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/1392-9-0x00000000005A0000-0x00000000005A6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 2a17664ae543d63eccdcd70ddb2ba347 |
| SHA1 | cf3ef05e703b0f648b099d017babd376a66ac711 |
| SHA256 | abd869a36a7c4b5f81ccfa82646b9f4107eae7032466eedd9f614528c88d822c |
| SHA512 | 311c2cb3ed7ac16849d222de7b8bc39a73fda51019ea2c934f53925931dec9143576a67bb6299db5a5f4925c667df1f2c85d227cb97322b74b63570a2c4beb0b |
memory/4052-18-0x0000000000500000-0x0000000000510000-memory.dmp
memory/1392-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4052-20-0x0000000000870000-0x0000000000876000-memory.dmp
memory/4052-26-0x0000000000660000-0x0000000000666000-memory.dmp
memory/4052-27-0x0000000000500000-0x0000000000510000-memory.dmp