Analysis Overview
SHA256
347bb0a55a5f0f8b7ea0269ab925df173058b7beb755847de9675c9cd8343419
Threat Level: Known bad
The file 2024-06-13_1249b25823c43515c7b7391d93830f95_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Executes dropped EXE
Loads dropped DLL
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
2024-06-13 04:23
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 |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-13 04:23
Reported
2024-06-13 04:26
Platform
win7-20240611-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 |
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_1249b25823c43515c7b7391d93830f95_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1176 wrote to memory of 2308 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1249b25823c43515c7b7391d93830f95_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1176 wrote to memory of 2308 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1249b25823c43515c7b7391d93830f95_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1176 wrote to memory of 2308 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1249b25823c43515c7b7391d93830f95_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1176 wrote to memory of 2308 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1249b25823c43515c7b7391d93830f95_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_1249b25823c43515c7b7391d93830f95_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_1249b25823c43515c7b7391d93830f95_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 | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
| US | 3.18.7.81:443 | emrlogistics.com | tcp |
| US | 3.19.116.195:443 | emrlogistics.com | tcp |
Files
memory/1176-0-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/1176-2-0x00000000002C0000-0x00000000002C6000-memory.dmp
memory/1176-1-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1176-3-0x0000000000310000-0x0000000000316000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | e9fd15a6b7a01fa48fafeeb3ea80aa5e |
| SHA1 | 1c99082693622534abea37b1fab297e6e6bec407 |
| SHA256 | b450827a7595a63e1dfe71e369f85f87d8489e2a72fc8cbb340d37ce0dfbc463 |
| SHA512 | ce3d96ee18e51474c62f27e206121e2149c3ffd7e85c1b6ed35e14e8ac0e04eefdd425c411e0a12c99327ffe6a2c71851bfe9a746864abc72787a662a9a0ad02 |
memory/1176-14-0x0000000002840000-0x000000000284B000-memory.dmp
memory/1176-16-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2308-25-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2308-18-0x0000000000460000-0x0000000000466000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-13 04:23
Reported
2024-06-13 04:26
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 |
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\2024-06-13_1249b25823c43515c7b7391d93830f95_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 |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1488 wrote to memory of 2156 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1249b25823c43515c7b7391d93830f95_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1488 wrote to memory of 2156 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1249b25823c43515c7b7391d93830f95_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1488 wrote to memory of 2156 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-13_1249b25823c43515c7b7391d93830f95_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-13_1249b25823c43515c7b7391d93830f95_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_1249b25823c43515c7b7391d93830f95_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/1488-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1488-1-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/1488-2-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/1488-9-0x00000000006B0000-0x00000000006B6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | e9fd15a6b7a01fa48fafeeb3ea80aa5e |
| SHA1 | 1c99082693622534abea37b1fab297e6e6bec407 |
| SHA256 | b450827a7595a63e1dfe71e369f85f87d8489e2a72fc8cbb340d37ce0dfbc463 |
| SHA512 | ce3d96ee18e51474c62f27e206121e2149c3ffd7e85c1b6ed35e14e8ac0e04eefdd425c411e0a12c99327ffe6a2c71851bfe9a746864abc72787a662a9a0ad02 |
memory/1488-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2156-18-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2156-20-0x0000000000760000-0x0000000000766000-memory.dmp
memory/2156-26-0x0000000000740000-0x0000000000746000-memory.dmp
memory/2156-27-0x0000000000500000-0x000000000050B000-memory.dmp