Analysis Overview
SHA256
4ac35deda035f53f01b2251da7694705b5d62791c7666a2c56846f9978f553fd
Threat Level: Known bad
The file 2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-11 02:25
Signatures
Detection of CryptoLocker Variants
| 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
2024-06-11 02:25
Reported
2024-06-11 02:28
Platform
win7-20240419-en
Max time kernel
144s
Max time network
148s
Command Line
Signatures
Detection of CryptoLocker Variants
| 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\demka.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\demka.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1180 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\demka.exe |
| PID 1180 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\demka.exe |
| PID 1180 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\demka.exe |
| PID 1180 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\demka.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\demka.exe
"C:\Users\Admin\AppData\Local\Temp\demka.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ttms.org | udp |
| US | 8.8.8.8:53 | ttms.org | udp |
| US | 8.8.8.8:53 | ttms.org | udp |
| US | 8.8.8.8:53 | ttms.org | udp |
| US | 8.8.8.8:53 | ttms.org | udp |
| US | 8.8.8.8:53 | ttms.org | udp |
| US | 8.8.8.8:53 | ttms.org | udp |
| US | 8.8.8.8:53 | ttms.org | udp |
| US | 8.8.8.8:53 | ttms.org | udp |
| US | 8.8.8.8:53 | ttms.org | udp |
| US | 8.8.8.8:53 | ttms.org | udp |
Files
memory/1180-0-0x0000000000490000-0x0000000000496000-memory.dmp
memory/1180-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/1180-8-0x0000000000490000-0x0000000000496000-memory.dmp
\Users\Admin\AppData\Local\Temp\demka.exe
| MD5 | 00c78cc62f859d5ddfb386c073d59a13 |
| SHA1 | 13dd83f9a7ef3114dfdb74da8fd7e874be42b8b8 |
| SHA256 | e3ca93635f1698c47991bca697d5c73a7b6a11682c3a40e80feaeae8ae64eb5e |
| SHA512 | 0a367a7cb03751630ba363df5049e0fc8b746448f456309c7bf6f37cc9dfe38c8bca958e1f412f7afe3c39deeb224091686da4aaabab6f25f7c7cd8bb5b74728 |
memory/3024-23-0x0000000000290000-0x0000000000296000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 02:25
Reported
2024-06-11 02:28
Platform
win10v2004-20240426-en
Max time kernel
150s
Max time network
149s
Command Line
Signatures
Detection of CryptoLocker Variants
| 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-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\demka.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\demka.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2444 wrote to memory of 2356 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\demka.exe |
| PID 2444 wrote to memory of 2356 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\demka.exe |
| PID 2444 wrote to memory of 2356 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\demka.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_3a6e0314923a150a15f40de7679c9931_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\demka.exe
"C:\Users\Admin\AppData\Local\Temp\demka.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ttms.org | udp |
| US | 35.215.114.222:443 | ttms.org | tcp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 222.114.215.35.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.97.55.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2444-0-0x00000000020E0000-0x00000000020E6000-memory.dmp
memory/2444-8-0x00000000020E0000-0x00000000020E6000-memory.dmp
memory/2444-1-0x0000000000400000-0x0000000000406000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\demka.exe
| MD5 | 00c78cc62f859d5ddfb386c073d59a13 |
| SHA1 | 13dd83f9a7ef3114dfdb74da8fd7e874be42b8b8 |
| SHA256 | e3ca93635f1698c47991bca697d5c73a7b6a11682c3a40e80feaeae8ae64eb5e |
| SHA512 | 0a367a7cb03751630ba363df5049e0fc8b746448f456309c7bf6f37cc9dfe38c8bca958e1f412f7afe3c39deeb224091686da4aaabab6f25f7c7cd8bb5b74728 |
memory/2356-25-0x0000000002210000-0x0000000002216000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\medkem.exe
| MD5 | ecbf6c31cb31cde6fe5c8c2d20451196 |
| SHA1 | 1ce8c690f5c0f6ef7e700af7e9434456213bd57a |
| SHA256 | d1318f490f295a997972f0aebe9e630fd6e3c178e3652839edff2caae9d64c04 |
| SHA512 | a95ea69db8a90810c8743b077884e920f7b98b6fbce5ca14c57e86181df3f4b62717c6da2c518a24bab475446a7a711389055763cac9acbcc5557d11a5c7a8ea |