Analysis Overview
SHA256
283a329004a5a20f34ba0370a84245fade9191d3037cb43f2a333911ea28f652
Threat Level: Known bad
The file 2024-06-12_b6b23973a6c384054e42e3d3eb6ab651_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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-12 18:42
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: behavioral2
Detonation Overview
Submitted
2024-06-12 18:42
Reported
2024-06-12 18:45
Platform
win10v2004-20240611-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 |
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-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-12_b6b23973a6c384054e42e3d3eb6ab651_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 2944 wrote to memory of 1560 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_b6b23973a6c384054e42e3d3eb6ab651_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2944 wrote to memory of 1560 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_b6b23973a6c384054e42e3d3eb6ab651_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2944 wrote to memory of 1560 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_b6b23973a6c384054e42e3d3eb6ab651_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-12_b6b23973a6c384054e42e3d3eb6ab651_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-12_b6b23973a6c384054e42e3d3eb6ab651_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 | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 54.161.222.85:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 34.205.242.146:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 216.197.17.2.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 | 200.197.17.2.in-addr.arpa | 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 |
Files
memory/2944-0-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/2944-1-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/2944-2-0x00000000005E0000-0x00000000005E6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 549a8d687b375a4a6886d65780375713 |
| SHA1 | 21c556a1aeff89764e91dcad2f331910444c4031 |
| SHA256 | 862dc6c6cbc5a8e8db068477b4b4f66597c646689338d61fb234a9d192804583 |
| SHA512 | 6457545e49e33a5d2baec85ef39ffb7afe693c50a8450d6e2c0ea4fa2ee6249717534ef2c2ca67b015ec371547be6b24717598e5511504dc70559100963297df |
memory/1560-17-0x00000000005D0000-0x00000000005D6000-memory.dmp
memory/1560-23-0x00000000005B0000-0x00000000005B6000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-12 18:42
Reported
2024-06-12 18:45
Platform
win7-20240508-en
Max time kernel
148s
Max time network
153s
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\2024-06-12_b6b23973a6c384054e42e3d3eb6ab651_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2252 wrote to memory of 2600 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_b6b23973a6c384054e42e3d3eb6ab651_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2252 wrote to memory of 2600 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_b6b23973a6c384054e42e3d3eb6ab651_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2252 wrote to memory of 2600 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_b6b23973a6c384054e42e3d3eb6ab651_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2252 wrote to memory of 2600 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-12_b6b23973a6c384054e42e3d3eb6ab651_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-12_b6b23973a6c384054e42e3d3eb6ab651_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-12_b6b23973a6c384054e42e3d3eb6ab651_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/2252-1-0x0000000000290000-0x0000000000296000-memory.dmp
memory/2252-7-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2252-0-0x00000000001D0000-0x00000000001D6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 549a8d687b375a4a6886d65780375713 |
| SHA1 | 21c556a1aeff89764e91dcad2f331910444c4031 |
| SHA256 | 862dc6c6cbc5a8e8db068477b4b4f66597c646689338d61fb234a9d192804583 |
| SHA512 | 6457545e49e33a5d2baec85ef39ffb7afe693c50a8450d6e2c0ea4fa2ee6249717534ef2c2ca67b015ec371547be6b24717598e5511504dc70559100963297df |
memory/2600-15-0x0000000000470000-0x0000000000476000-memory.dmp
memory/2600-22-0x0000000000240000-0x0000000000246000-memory.dmp