Analysis Overview
SHA256
5e635268296ac6a3b03e3b1d5997a6bd0fb30ccd6234c3cd9a0b19dc6fee0b99
Threat Level: Known bad
The file 2024-06-12_8bcfade2d2d3208d3984e37bc9c9be41_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
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Checks computer location settings
UPX packed file
Executes dropped EXE
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-12 17:12
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
2024-06-12 17:12
Reported
2024-06-12 17:14
Platform
win7-20240419-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 |
| 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 |
| 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 |
| 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\2024-06-12_8bcfade2d2d3208d3984e37bc9c9be41_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 |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2432 wrote to memory of 2164 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_8bcfade2d2d3208d3984e37bc9c9be41_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2432 wrote to memory of 2164 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_8bcfade2d2d3208d3984e37bc9c9be41_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2432 wrote to memory of 2164 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_8bcfade2d2d3208d3984e37bc9c9be41_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2432 wrote to memory of 2164 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_8bcfade2d2d3208d3984e37bc9c9be41_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-12_8bcfade2d2d3208d3984e37bc9c9be41_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-12_8bcfade2d2d3208d3984e37bc9c9be41_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/2432-0-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2432-1-0x0000000000320000-0x0000000000326000-memory.dmp
memory/2432-2-0x0000000000360000-0x0000000000366000-memory.dmp
memory/2432-9-0x0000000000320000-0x0000000000326000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 2b051555cfb66eb220d983685155453e |
| SHA1 | 9f1c9157314b9b5ead0fd7d9997f1d90f18741d0 |
| SHA256 | 342bcea57e9e918ad1b4a236e8b4b36020484b1fe47465c8651f33fb91eab150 |
| SHA512 | 3a3f1175a62e6ed45f9f9ca85cfce4a377d98cd997022ce324a0e9eb5356137ecfeef45bcd53de0c1d2321e54f4295782c0b5df035b746669c38fd6ba51f89d6 |
memory/2432-13-0x0000000001E60000-0x0000000001E70000-memory.dmp
memory/2164-17-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2432-16-0x0000000000500000-0x000000000050F311-memory.dmp
memory/2164-19-0x0000000000310000-0x0000000000316000-memory.dmp
memory/2164-26-0x00000000002D0000-0x00000000002D6000-memory.dmp
memory/2164-27-0x0000000000500000-0x000000000050F311-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-12 17:12
Reported
2024-06-12 17:14
Platform
win10v2004-20240508-en
Max time kernel
150s
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 |
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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-12_8bcfade2d2d3208d3984e37bc9c9be41_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 1076 wrote to memory of 1464 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_8bcfade2d2d3208d3984e37bc9c9be41_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1076 wrote to memory of 1464 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_8bcfade2d2d3208d3984e37bc9c9be41_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1076 wrote to memory of 1464 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_8bcfade2d2d3208d3984e37bc9c9be41_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-12_8bcfade2d2d3208d3984e37bc9c9be41_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-12_8bcfade2d2d3208d3984e37bc9c9be41_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/1076-0-0x0000000000500000-0x000000000050F311-memory.dmp
memory/1076-1-0x0000000000840000-0x0000000000846000-memory.dmp
memory/1076-2-0x0000000000840000-0x0000000000846000-memory.dmp
memory/1076-3-0x0000000002070000-0x0000000002076000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 2b051555cfb66eb220d983685155453e |
| SHA1 | 9f1c9157314b9b5ead0fd7d9997f1d90f18741d0 |
| SHA256 | 342bcea57e9e918ad1b4a236e8b4b36020484b1fe47465c8651f33fb91eab150 |
| SHA512 | 3a3f1175a62e6ed45f9f9ca85cfce4a377d98cd997022ce324a0e9eb5356137ecfeef45bcd53de0c1d2321e54f4295782c0b5df035b746669c38fd6ba51f89d6 |
memory/1076-16-0x0000000000500000-0x000000000050F311-memory.dmp
memory/1464-19-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/1464-25-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/1464-26-0x0000000000500000-0x000000000050F311-memory.dmp