Analysis Overview
SHA256
4cfea33c0f63f46219a23cdd61d552caf6c4501bc37ef982f2b09cfaf216f495
Threat Level: Known bad
The file 4cfea33c0f63f46219a23cdd61d552caf6c4501bc37ef982f2b09cfaf216f495 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
UPX packed file
Loads dropped DLL
Executes dropped EXE
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 21:52
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
2024-06-10 21:52
Reported
2024-06-10 21:54
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 |
| 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\4cfea33c0f63f46219a23cdd61d552caf6c4501bc37ef982f2b09cfaf216f495.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 2276 wrote to memory of 2072 | N/A | C:\Users\Admin\AppData\Local\Temp\4cfea33c0f63f46219a23cdd61d552caf6c4501bc37ef982f2b09cfaf216f495.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2276 wrote to memory of 2072 | N/A | C:\Users\Admin\AppData\Local\Temp\4cfea33c0f63f46219a23cdd61d552caf6c4501bc37ef982f2b09cfaf216f495.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2276 wrote to memory of 2072 | N/A | C:\Users\Admin\AppData\Local\Temp\4cfea33c0f63f46219a23cdd61d552caf6c4501bc37ef982f2b09cfaf216f495.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2276 wrote to memory of 2072 | N/A | C:\Users\Admin\AppData\Local\Temp\4cfea33c0f63f46219a23cdd61d552caf6c4501bc37ef982f2b09cfaf216f495.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4cfea33c0f63f46219a23cdd61d552caf6c4501bc37ef982f2b09cfaf216f495.exe
"C:\Users\Admin\AppData\Local\Temp\4cfea33c0f63f46219a23cdd61d552caf6c4501bc37ef982f2b09cfaf216f495.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 | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 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 |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
Files
memory/2276-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2276-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2276-9-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2276-2-0x0000000000280000-0x0000000000286000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 6646be29c80150b95f3e499c4e1140c0 |
| SHA1 | 1ee32e634c6cdb2d4857d2445316e7f100a41460 |
| SHA256 | 1207d16369d4625b64b46f3e864e68364d9fbb83e57bd3caebff608d86da6aeb |
| SHA512 | 70e6758f0d66c580c74ced8ad4676a855126e683a4620cd14dcca401a9866afcc4874449342330a17cb64d94bfa9bdae4e7a7454466cf78b6008d71236e0596d |
memory/2276-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2276-14-0x0000000002BC0000-0x0000000002BCF000-memory.dmp
memory/2072-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2072-20-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/2072-27-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2072-28-0x0000000000500000-0x000000000050F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-10 21:52
Reported
2024-06-10 21:54
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\4cfea33c0f63f46219a23cdd61d552caf6c4501bc37ef982f2b09cfaf216f495.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 4696 wrote to memory of 4952 | N/A | C:\Users\Admin\AppData\Local\Temp\4cfea33c0f63f46219a23cdd61d552caf6c4501bc37ef982f2b09cfaf216f495.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4696 wrote to memory of 4952 | N/A | C:\Users\Admin\AppData\Local\Temp\4cfea33c0f63f46219a23cdd61d552caf6c4501bc37ef982f2b09cfaf216f495.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4696 wrote to memory of 4952 | N/A | C:\Users\Admin\AppData\Local\Temp\4cfea33c0f63f46219a23cdd61d552caf6c4501bc37ef982f2b09cfaf216f495.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4cfea33c0f63f46219a23cdd61d552caf6c4501bc37ef982f2b09cfaf216f495.exe
"C:\Users\Admin\AppData\Local\Temp\4cfea33c0f63f46219a23cdd61d552caf6c4501bc37ef982f2b09cfaf216f495.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/4696-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4696-1-0x0000000000660000-0x0000000000666000-memory.dmp
memory/4696-2-0x0000000000760000-0x0000000000766000-memory.dmp
memory/4696-9-0x0000000000660000-0x0000000000666000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 6646be29c80150b95f3e499c4e1140c0 |
| SHA1 | 1ee32e634c6cdb2d4857d2445316e7f100a41460 |
| SHA256 | 1207d16369d4625b64b46f3e864e68364d9fbb83e57bd3caebff608d86da6aeb |
| SHA512 | 70e6758f0d66c580c74ced8ad4676a855126e683a4620cd14dcca401a9866afcc4874449342330a17cb64d94bfa9bdae4e7a7454466cf78b6008d71236e0596d |
memory/4696-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4952-19-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4952-27-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/4952-21-0x00000000005D0000-0x00000000005D6000-memory.dmp
memory/4952-28-0x0000000000500000-0x000000000050F000-memory.dmp