Analysis Overview
SHA256
c5eca73b2d41e179057e0ee240edf4d4801449c24c15d05081dd514b0208eb12
Threat Level: Known bad
The file 2024-06-02_58f4c7e33ffbef347607ecf1dbe9902c_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Detection of Cryptolocker Samples
Detection of CryptoLocker Variants
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-02 23:09
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
2024-06-02 23:09
Reported
2024-06-02 23:12
Platform
win7-20231129-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 |
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 |
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\2024-06-02_58f4c7e33ffbef347607ecf1dbe9902c_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2152 wrote to memory of 2176 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_58f4c7e33ffbef347607ecf1dbe9902c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2152 wrote to memory of 2176 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_58f4c7e33ffbef347607ecf1dbe9902c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2152 wrote to memory of 2176 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_58f4c7e33ffbef347607ecf1dbe9902c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2152 wrote to memory of 2176 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_58f4c7e33ffbef347607ecf1dbe9902c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_58f4c7e33ffbef347607ecf1dbe9902c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_58f4c7e33ffbef347607ecf1dbe9902c_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 | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
Files
memory/2152-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2152-1-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2152-2-0x0000000000210000-0x0000000000216000-memory.dmp
memory/2152-9-0x00000000001D0000-0x00000000001D6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | a213790a338b42761bc10f0811cac32e |
| SHA1 | e51621858dbc1a4895d663fb27bf5fea540df19b |
| SHA256 | c1b30fe057607588b0bc8ece7c925f29e832c6e832001b9768f1658fd1a3e251 |
| SHA512 | 6c83b6414a3cda7da4e2648c82e410ba241bb1d83ee32570ebba5b49f060df4fd963484addf03a94b54a98a559f4a72a3c319f7d4178e69650bda2b20ae9bac5 |
memory/2152-15-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2176-17-0x0000000000280000-0x0000000000286000-memory.dmp
memory/2176-24-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2176-25-0x0000000000500000-0x000000000050B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-02 23:09
Reported
2024-06-02 23:12
Platform
win10v2004-20240426-en
Max time kernel
148s
Max time network
151s
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-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-02_58f4c7e33ffbef347607ecf1dbe9902c_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 1040 wrote to memory of 1624 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_58f4c7e33ffbef347607ecf1dbe9902c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1040 wrote to memory of 1624 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_58f4c7e33ffbef347607ecf1dbe9902c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1040 wrote to memory of 1624 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_58f4c7e33ffbef347607ecf1dbe9902c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_58f4c7e33ffbef347607ecf1dbe9902c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_58f4c7e33ffbef347607ecf1dbe9902c_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 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 133.32.126.40.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 | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
Files
memory/1040-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1040-1-0x00000000005B0000-0x00000000005B6000-memory.dmp
memory/1040-5-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/1040-9-0x00000000005B0000-0x00000000005B6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | a213790a338b42761bc10f0811cac32e |
| SHA1 | e51621858dbc1a4895d663fb27bf5fea540df19b |
| SHA256 | c1b30fe057607588b0bc8ece7c925f29e832c6e832001b9768f1658fd1a3e251 |
| SHA512 | 6c83b6414a3cda7da4e2648c82e410ba241bb1d83ee32570ebba5b49f060df4fd963484addf03a94b54a98a559f4a72a3c319f7d4178e69650bda2b20ae9bac5 |
memory/1040-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1624-18-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1624-21-0x0000000002100000-0x0000000002106000-memory.dmp
memory/1624-20-0x0000000000740000-0x0000000000746000-memory.dmp
memory/1624-27-0x0000000000500000-0x000000000050B000-memory.dmp