Analysis Overview
SHA256
642a937703929eb905b527336d2b6472d36837e462e3f58942608727896dd4b6
Threat Level: Known bad
The file 2024-06-11_d5a46cfd3beb5e753bb64f9bbcc7e8ea_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
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Loads dropped DLL
Executes dropped EXE
UPX packed file
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-11 01:16
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
2024-06-11 01:16
Reported
2024-06-11 01:18
Platform
win7-20240419-en
Max time kernel
147s
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\2024-06-11_d5a46cfd3beb5e753bb64f9bbcc7e8ea_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 |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2888 wrote to memory of 2832 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_d5a46cfd3beb5e753bb64f9bbcc7e8ea_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2888 wrote to memory of 2832 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_d5a46cfd3beb5e753bb64f9bbcc7e8ea_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2888 wrote to memory of 2832 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_d5a46cfd3beb5e753bb64f9bbcc7e8ea_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2888 wrote to memory of 2832 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_d5a46cfd3beb5e753bb64f9bbcc7e8ea_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_d5a46cfd3beb5e753bb64f9bbcc7e8ea_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_d5a46cfd3beb5e753bb64f9bbcc7e8ea_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/2888-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2888-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2888-2-0x0000000000340000-0x0000000000346000-memory.dmp
memory/2888-9-0x0000000000240000-0x0000000000246000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 873d54eda494371edd52d08b35902e35 |
| SHA1 | be42732bc7482671616bbae9b0e267cf4f462c16 |
| SHA256 | daec362e59234a4361adb73c6415ccc432a6a55d4b1ff91bc72a306c79f699a7 |
| SHA512 | f8b63351a84b6e1351f93860793bb1ff984b0f4981e376ccdf9228061965c6601a326f4594460b6b37dea9953cca4911e7e6d8a867d4d2e196643faea43add9d |
memory/2888-15-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2832-22-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2832-17-0x0000000000380000-0x0000000000386000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 01:16
Reported
2024-06-11 01:19
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
155s
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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-11_d5a46cfd3beb5e753bb64f9bbcc7e8ea_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 3952 wrote to memory of 4920 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_d5a46cfd3beb5e753bb64f9bbcc7e8ea_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3952 wrote to memory of 4920 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_d5a46cfd3beb5e753bb64f9bbcc7e8ea_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3952 wrote to memory of 4920 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_d5a46cfd3beb5e753bb64f9bbcc7e8ea_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_d5a46cfd3beb5e753bb64f9bbcc7e8ea_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_d5a46cfd3beb5e753bb64f9bbcc7e8ea_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 | 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/3952-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3952-3-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/3952-2-0x0000000000680000-0x0000000000686000-memory.dmp
memory/3952-1-0x0000000000680000-0x0000000000686000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 873d54eda494371edd52d08b35902e35 |
| SHA1 | be42732bc7482671616bbae9b0e267cf4f462c16 |
| SHA256 | daec362e59234a4361adb73c6415ccc432a6a55d4b1ff91bc72a306c79f699a7 |
| SHA512 | f8b63351a84b6e1351f93860793bb1ff984b0f4981e376ccdf9228061965c6601a326f4594460b6b37dea9953cca4911e7e6d8a867d4d2e196643faea43add9d |
memory/3952-17-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4920-19-0x0000000002090000-0x0000000002096000-memory.dmp
memory/4920-25-0x0000000000520000-0x0000000000526000-memory.dmp
memory/4920-26-0x0000000000500000-0x0000000000510000-memory.dmp