Analysis Overview
SHA256
62fc1fb6268f639a8837e91335df61692fc1d5ae0a1d360b05d67695c242bf2d
Threat Level: Known bad
The file 2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
UPX dump on OEP (original entry point)
Detection of Cryptolocker Samples
UPX dump on OEP (original entry point)
Detection of CryptoLocker Variants
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
2024-06-10 06:27
Signatures
Detection of CryptoLocker Variants
| Description | Indicator | Process | Target |
| 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 |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-10 06:24
Reported
2024-06-10 06:39
Platform
win7-20240221-en
Max time kernel
149s
Max time network
153s
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 |
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\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2860 wrote to memory of 2456 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2860 wrote to memory of 2456 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2860 wrote to memory of 2456 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2860 wrote to memory of 2456 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_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 | 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 |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
Files
memory/2860-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2860-1-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2860-2-0x0000000000280000-0x0000000000286000-memory.dmp
memory/2860-9-0x00000000001D0000-0x00000000001D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | af768c4a8b2edc15342eff891154f4f6 |
| SHA1 | dc788f640da8d2442e894ec00d6732697e903c70 |
| SHA256 | cd5db6fd421b2dbfb106ee7af91dfea1be8c70c0eda54fe2bc49551154cd8dfb |
| SHA512 | 3849c63c00c3e0e487d6e9c807ccaaace442db49cd61c69650cea832c43000aa909097d47f4a6280f179a68e555bd5b8970c5ef51a6f92f1daacd678be5dd766 |
memory/2456-25-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2456-18-0x0000000000380000-0x0000000000386000-memory.dmp
memory/2860-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2456-26-0x0000000000500000-0x0000000000510000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-10 06:24
Reported
2024-06-10 06:39
Platform
win10v2004-20240426-en
Max time kernel
0s
Max time network
153s
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 |
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-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_cryptolocker.exe | N/A |
Enumerates physical storage devices
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_0bfc385a9d8c805bafb589ac44a9e816_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 | 8.8.8.8.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 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 52.86.6.113:443 | emrlogistics.com | tcp |
| US | 3.94.41.167:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.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/3304-1-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/3304-9-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/3304-19-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2136-21-0x0000000000510000-0x0000000000516000-memory.dmp
memory/2136-17-0x0000000000500000-0x0000000000510000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | af768c4a8b2edc15342eff891154f4f6 |
| SHA1 | dc788f640da8d2442e894ec00d6732697e903c70 |
| SHA256 | cd5db6fd421b2dbfb106ee7af91dfea1be8c70c0eda54fe2bc49551154cd8dfb |
| SHA512 | 3849c63c00c3e0e487d6e9c807ccaaace442db49cd61c69650cea832c43000aa909097d47f4a6280f179a68e555bd5b8970c5ef51a6f92f1daacd678be5dd766 |
memory/3304-2-0x00000000006E0000-0x00000000006E6000-memory.dmp
memory/3304-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2136-27-0x0000000000500000-0x0000000000510000-memory.dmp