Analysis Overview
SHA256
5c474ad42b81c52eb39151e3fdfd345865c4ee6bb23c16d41d21f65fbf9240af
Threat Level: Known bad
The file 2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Kinsing
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
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-25 17:40
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
2024-01-25 17:40
Reported
2024-01-25 17:42
Platform
win7-20231129-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\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2724 wrote to memory of 2364 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2724 wrote to memory of 2364 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2724 wrote to memory of 2364 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 2724 wrote to memory of 2364 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_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 | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
Files
memory/2724-0-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2724-1-0x0000000000240000-0x0000000000246000-memory.dmp
memory/2724-2-0x0000000000610000-0x0000000000616000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 55dfbaa67497091ede80f0f4b4c6e9b1 |
| SHA1 | d7c7b09bc7745cac5c5a74f6f6fa5a988b5df758 |
| SHA256 | 1b7b6e712681cd59a0274592318859f484a9a3ec7e190b8a099cf16334f637f7 |
| SHA512 | 41f94367f21af57e0814dccfa105739d8640242d3e32d29335f7e1e8657fcbce22d1587f5e99d7c246e841f365df1787549394dbb32eee4a83488aaf276c32ed |
memory/2364-15-0x0000000000280000-0x0000000000286000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 17:40
Reported
2024-01-25 17:43
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
155s
Command Line
Signatures
Kinsing
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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_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 3240 wrote to memory of 4396 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3240 wrote to memory of 4396 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3240 wrote to memory of 4396 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e7fb8607ddc8db464294f6e6e0699189_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 149.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.135.221.88.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 131.109.69.13.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
Files
memory/3240-0-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/3240-1-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/3240-2-0x00000000006C0000-0x00000000006C6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 55dfbaa67497091ede80f0f4b4c6e9b1 |
| SHA1 | d7c7b09bc7745cac5c5a74f6f6fa5a988b5df758 |
| SHA256 | 1b7b6e712681cd59a0274592318859f484a9a3ec7e190b8a099cf16334f637f7 |
| SHA512 | 41f94367f21af57e0814dccfa105739d8640242d3e32d29335f7e1e8657fcbce22d1587f5e99d7c246e841f365df1787549394dbb32eee4a83488aaf276c32ed |
memory/4396-17-0x0000000002060000-0x0000000002066000-memory.dmp
memory/4396-21-0x00000000021E0000-0x00000000021E6000-memory.dmp