Analysis Overview
SHA256
483ff53cc00c6235f8b83e319990075fc0865419c19c5eebd47c911f89e8b6a8
Threat Level: Known bad
The file 2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Kinsing
Detection of CryptoLocker Variants
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
2024-01-25 15:37
Signatures
Detection of CryptoLocker Variants
| 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 15:37
Reported
2024-01-25 15:39
Platform
win7-20231215-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Detection of CryptoLocker Variants
| 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\hasfj.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1860 wrote to memory of 1960 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 1860 wrote to memory of 1960 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 1860 wrote to memory of 1960 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 1860 wrote to memory of 1960 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | mytarta.com | udp |
Files
memory/1860-0-0x0000000001BC0000-0x0000000001BC6000-memory.dmp
memory/1860-1-0x0000000001BD0000-0x0000000001BD6000-memory.dmp
memory/1860-8-0x0000000001BC0000-0x0000000001BC6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
| MD5 | c84c8eb182f9ef6ed99097cc356f4803 |
| SHA1 | 926d86cf38a18014b330e1d1a509b6b2a49e2f6d |
| SHA256 | c2dbc92d10e4900ccb46e6e8b0884402b618cc2946bc2c66d90666d00168a8ff |
| SHA512 | 54e49c220619d1a76f8100d405309ce0da5eb43a1f8005bb1288f9be9577ac02c0ab7b439cc7f426fc334ac8e02dea179b4a70a28edd305159e6d4a97d64e6bb |
memory/1960-15-0x0000000001CB0000-0x0000000001CB6000-memory.dmp
memory/1960-22-0x0000000001CA0000-0x0000000001CA6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 15:37
Reported
2024-01-25 15:39
Platform
win10v2004-20231215-en
Max time kernel
151s
Max time network
150s
Command Line
Signatures
Kinsing
Detection of CryptoLocker Variants
| 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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\hasfj.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4008 wrote to memory of 3268 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 4008 wrote to memory of 3268 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 4008 wrote to memory of 3268 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_7276bc3600231a300f2adba942672b79_cryptolocker.exe"
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | 123.10.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
| US | 8.8.8.8:53 | mytarta.com | udp |
Files
memory/4008-0-0x0000000002260000-0x0000000002266000-memory.dmp
memory/4008-1-0x0000000002260000-0x0000000002266000-memory.dmp
memory/4008-2-0x0000000003150000-0x0000000003156000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
| MD5 | c84c8eb182f9ef6ed99097cc356f4803 |
| SHA1 | 926d86cf38a18014b330e1d1a509b6b2a49e2f6d |
| SHA256 | c2dbc92d10e4900ccb46e6e8b0884402b618cc2946bc2c66d90666d00168a8ff |
| SHA512 | 54e49c220619d1a76f8100d405309ce0da5eb43a1f8005bb1288f9be9577ac02c0ab7b439cc7f426fc334ac8e02dea179b4a70a28edd305159e6d4a97d64e6bb |
memory/3268-18-0x0000000002ED0000-0x0000000002ED6000-memory.dmp
memory/3268-17-0x0000000002D60000-0x0000000002D66000-memory.dmp