Analysis Overview
SHA256
c6886864b5148cd35937f937cee42249a07895b4479d86eb459ca4a3e94f9a99
Threat Level: Known bad
The file 2024-06-01_57e1192772971955d10e95dfcd6768b4_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Loads dropped DLL
Executes dropped EXE
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
2024-06-01 18:26
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
2024-06-01 18:26
Reported
2024-06-01 18:29
Platform
win7-20240419-en
Max time kernel
148s
Max time network
148s
Command Line
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 |
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\2024-06-01_57e1192772971955d10e95dfcd6768b4_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1680 wrote to memory of 2608 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_57e1192772971955d10e95dfcd6768b4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1680 wrote to memory of 2608 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_57e1192772971955d10e95dfcd6768b4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1680 wrote to memory of 2608 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_57e1192772971955d10e95dfcd6768b4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1680 wrote to memory of 2608 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_57e1192772971955d10e95dfcd6768b4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-01_57e1192772971955d10e95dfcd6768b4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-01_57e1192772971955d10e95dfcd6768b4_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 | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
Files
memory/1680-8-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/1680-1-0x0000000000290000-0x0000000000296000-memory.dmp
memory/1680-0-0x00000000001D0000-0x00000000001D6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 6ed73d504d1cb043f0769d5f035b8e14 |
| SHA1 | 29ad9c432013e5f8386c39d2fe7b2db174858e64 |
| SHA256 | b9563897e81d8275349232683ce91b2514ee77f3b46868a2e9c683daaefd1236 |
| SHA512 | 3ec63306a0ec353f0eca42b5f8515a8c39098c8654ae7e40fd1406d3e05f0184659190ef95509843f70d39c33544c23ccc76e441077e7cc76bd2aebb0a6f52df |
memory/2608-22-0x0000000000240000-0x0000000000246000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-01 18:26
Reported
2024-06-01 18:29
Platform
win10v2004-20240508-en
Max time kernel
148s
Max time network
155s
Command Line
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 |
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\2024-06-01_57e1192772971955d10e95dfcd6768b4_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 3392 wrote to memory of 2220 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_57e1192772971955d10e95dfcd6768b4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3392 wrote to memory of 2220 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_57e1192772971955d10e95dfcd6768b4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3392 wrote to memory of 2220 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-01_57e1192772971955d10e95dfcd6768b4_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-01_57e1192772971955d10e95dfcd6768b4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-01_57e1192772971955d10e95dfcd6768b4_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 | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
Files
memory/3392-0-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/3392-1-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/3392-8-0x00000000005A0000-0x00000000005A6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 6ed73d504d1cb043f0769d5f035b8e14 |
| SHA1 | 29ad9c432013e5f8386c39d2fe7b2db174858e64 |
| SHA256 | b9563897e81d8275349232683ce91b2514ee77f3b46868a2e9c683daaefd1236 |
| SHA512 | 3ec63306a0ec353f0eca42b5f8515a8c39098c8654ae7e40fd1406d3e05f0184659190ef95509843f70d39c33544c23ccc76e441077e7cc76bd2aebb0a6f52df |
memory/2220-17-0x0000000001F70000-0x0000000001F76000-memory.dmp
memory/2220-23-0x0000000001F50000-0x0000000001F56000-memory.dmp