Analysis Overview
SHA256
8c3a02b2559c67ead4c8b6a855bd7ff142b8b591a989ead6c79f66db0db0ff8d
Threat Level: Known bad
The file 2024-06-13_2277c4ad06eb63cfdf6923b37a89d820_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
Loads dropped DLL
UPX packed file
Executes dropped EXE
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-13 04:24
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
2024-06-13 04:24
Reported
2024-06-13 04:27
Platform
win7-20240508-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\2024-06-13_2277c4ad06eb63cfdf6923b37a89d820_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 1368 wrote to memory of 1872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_2277c4ad06eb63cfdf6923b37a89d820_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1368 wrote to memory of 1872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_2277c4ad06eb63cfdf6923b37a89d820_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1368 wrote to memory of 1872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_2277c4ad06eb63cfdf6923b37a89d820_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1368 wrote to memory of 1872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_2277c4ad06eb63cfdf6923b37a89d820_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_2277c4ad06eb63cfdf6923b37a89d820_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_2277c4ad06eb63cfdf6923b37a89d820_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/1368-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1368-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1368-9-0x0000000000240000-0x0000000000246000-memory.dmp
memory/1368-2-0x00000000002C0000-0x00000000002C6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 95e2572170317fbc84d8b76f398088a3 |
| SHA1 | f6c82afa8231f57f0d4d1ca5022451697d9ce837 |
| SHA256 | 86c62444224ae3b79e00a6efbda145b2a57de77a6696101a079738d1664a81aa |
| SHA512 | 65121a68d54a247a49ce3ce3a17d44336cc0ccab959c5ec99a29fc7c6292b4daa0ee3445450d4617dc6ab7d1819d20a4097e8d5aecb5a53d0026a353720bc77a |
memory/1368-15-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1872-25-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/1872-18-0x0000000000290000-0x0000000000296000-memory.dmp
memory/1872-26-0x0000000000500000-0x000000000050F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 04:24
Reported
2024-06-13 04:27
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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-13_2277c4ad06eb63cfdf6923b37a89d820_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 2176 wrote to memory of 4480 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_2277c4ad06eb63cfdf6923b37a89d820_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2176 wrote to memory of 4480 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_2277c4ad06eb63cfdf6923b37a89d820_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2176 wrote to memory of 4480 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_2277c4ad06eb63cfdf6923b37a89d820_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_2277c4ad06eb63cfdf6923b37a89d820_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_2277c4ad06eb63cfdf6923b37a89d820_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/2176-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2176-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/2176-2-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/2176-9-0x00000000004D0000-0x00000000004D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 95e2572170317fbc84d8b76f398088a3 |
| SHA1 | f6c82afa8231f57f0d4d1ca5022451697d9ce837 |
| SHA256 | 86c62444224ae3b79e00a6efbda145b2a57de77a6696101a079738d1664a81aa |
| SHA512 | 65121a68d54a247a49ce3ce3a17d44336cc0ccab959c5ec99a29fc7c6292b4daa0ee3445450d4617dc6ab7d1819d20a4097e8d5aecb5a53d0026a353720bc77a |
memory/4480-19-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2176-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4480-21-0x0000000000860000-0x0000000000866000-memory.dmp
memory/4480-27-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/4480-28-0x0000000000500000-0x000000000050F000-memory.dmp