Analysis Overview
SHA256
3c07283e8d6141eefda2255d0a7b77f45b167e5af4b935bf6a9887b42bbb5512
Threat Level: Known bad
The file 2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of Cryptolocker Samples
Kinsing
Detection of CryptoLocker Variants
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
2024-01-25 17:42
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: behavioral1
Detonation Overview
Submitted
2024-01-25 17:42
Reported
2024-01-25 17:44
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 |
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_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3060 wrote to memory of 2928 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3060 wrote to memory of 2928 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3060 wrote to memory of 2928 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 3060 wrote to memory of 2928 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_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 | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
Files
memory/3060-1-0x00000000004E0000-0x00000000004E6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | ed9e99557f3c1338b06c7840396c9489 |
| SHA1 | 72b3529ec5d7f1266225bd393466d35665c10467 |
| SHA256 | e627caaf8acffcc1b6b200a2f47af86a58d71e064a79e3affc92a02c73df09a5 |
| SHA512 | e2702c2f9a79ee0ca8c1db6adb9826bef68e51a514bb586886211653b9ee5ca3f2be4741a24a6bdf30c84b41be32d4cc407e64465f21134434a92c275e13adec |
memory/2928-22-0x00000000001D0000-0x00000000001D6000-memory.dmp
memory/2928-15-0x0000000000290000-0x0000000000296000-memory.dmp
memory/3060-8-0x00000000004A0000-0x00000000004A6000-memory.dmp
memory/3060-0-0x00000000004A0000-0x00000000004A6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 17:42
Reported
2024-01-25 17:45
Platform
win10v2004-20231215-en
Max time kernel
151s
Max time network
161s
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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_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 5024 wrote to memory of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 5024 wrote to memory of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 5024 wrote to memory of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff807ac80356d2d8dedc39d1be70d3e1_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 | 28.118.140.52.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 | 148.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 3.140.13.188:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 18.119.154.66:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | 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 | 8.8.8.8:53 | 105.193.132.51.in-addr.arpa | udp |
Files
memory/5024-0-0x0000000000620000-0x0000000000626000-memory.dmp
memory/5024-1-0x0000000000620000-0x0000000000626000-memory.dmp
memory/5024-2-0x0000000000750000-0x0000000000756000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | ed9e99557f3c1338b06c7840396c9489 |
| SHA1 | 72b3529ec5d7f1266225bd393466d35665c10467 |
| SHA256 | e627caaf8acffcc1b6b200a2f47af86a58d71e064a79e3affc92a02c73df09a5 |
| SHA512 | e2702c2f9a79ee0ca8c1db6adb9826bef68e51a514bb586886211653b9ee5ca3f2be4741a24a6bdf30c84b41be32d4cc407e64465f21134434a92c275e13adec |
memory/2872-17-0x0000000000730000-0x0000000000736000-memory.dmp