Analysis Overview
SHA256
d6f8f2a254dcbb32b272c287958adc698028ed275f496a6da2941ae4260771ba
Threat Level: Known bad
The file 2024-06-02_086c2831349dc7480a591a0bee91209c_cryptolocker was found to be: Known bad.
Malicious Activity Summary
Detection of CryptoLocker Variants
Detection of CryptoLocker Variants
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
2024-06-02 23:44
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
2024-06-02 23:44
Reported
2024-06-02 23:47
Platform
win7-20240220-en
Max time kernel
149s
Max time network
149s
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 |
| 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\2024-06-02_086c2831349dc7480a591a0bee91209c_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1728 wrote to memory of 1036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_086c2831349dc7480a591a0bee91209c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 1728 wrote to memory of 1036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_086c2831349dc7480a591a0bee91209c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 1728 wrote to memory of 1036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_086c2831349dc7480a591a0bee91209c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 1728 wrote to memory of 1036 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_086c2831349dc7480a591a0bee91209c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_086c2831349dc7480a591a0bee91209c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_086c2831349dc7480a591a0bee91209c_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/1728-0-0x0000000008000000-0x000000000800D000-memory.dmp
memory/1728-1-0x0000000001BC0000-0x0000000001BC6000-memory.dmp
memory/1728-3-0x0000000001BD0000-0x0000000001BD6000-memory.dmp
memory/1728-9-0x0000000001BC0000-0x0000000001BC6000-memory.dmp
\Users\Admin\AppData\Local\Temp\hasfj.exe
| MD5 | 7ae591cca3f99c4924c2c10c0de00e48 |
| SHA1 | c3ef5c6b3d7e57398177b04aa700bad18e6a78d4 |
| SHA256 | 7237917422bbf869ccffb05e242de8c0186546dd811c10b4c87aea2d719d25f8 |
| SHA512 | 9e7ffb12106ba28c5face8528b458868520835d26dd65a1481dc0ea32cafc21aff2e65d5ea9371338e0a3045c7b7d273007a78b9edb3f8165a8d77d7de7e3556 |
memory/1728-13-0x0000000001E10000-0x0000000001E1D000-memory.dmp
memory/1728-16-0x0000000008000000-0x000000000800D000-memory.dmp
memory/1036-18-0x0000000008000000-0x000000000800D000-memory.dmp
memory/1036-19-0x00000000005B0000-0x00000000005B6000-memory.dmp
memory/1036-26-0x0000000000310000-0x0000000000316000-memory.dmp
memory/1036-27-0x0000000008000000-0x000000000800D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-02 23:44
Reported
2024-06-02 23:47
Platform
win10v2004-20240426-en
Max time kernel
150s
Max time network
150s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-02_086c2831349dc7480a591a0bee91209c_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 1264 wrote to memory of 2160 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_086c2831349dc7480a591a0bee91209c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 1264 wrote to memory of 2160 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_086c2831349dc7480a591a0bee91209c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
| PID 1264 wrote to memory of 2160 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_086c2831349dc7480a591a0bee91209c_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\hasfj.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_086c2831349dc7480a591a0bee91209c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_086c2831349dc7480a591a0bee91209c_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 |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.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 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.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 | 240.221.184.93.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 | 30.243.111.52.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 | 208.143.182.52.in-addr.arpa | udp |
Files
memory/1264-0-0x0000000008000000-0x000000000800D000-memory.dmp
memory/1264-1-0x0000000002250000-0x0000000002256000-memory.dmp
memory/1264-2-0x0000000003150000-0x0000000003156000-memory.dmp
memory/1264-9-0x0000000002250000-0x0000000002256000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\hasfj.exe
| MD5 | 7ae591cca3f99c4924c2c10c0de00e48 |
| SHA1 | c3ef5c6b3d7e57398177b04aa700bad18e6a78d4 |
| SHA256 | 7237917422bbf869ccffb05e242de8c0186546dd811c10b4c87aea2d719d25f8 |
| SHA512 | 9e7ffb12106ba28c5face8528b458868520835d26dd65a1481dc0ea32cafc21aff2e65d5ea9371338e0a3045c7b7d273007a78b9edb3f8165a8d77d7de7e3556 |
memory/1264-17-0x0000000008000000-0x000000000800D000-memory.dmp
memory/2160-19-0x0000000003010000-0x0000000003016000-memory.dmp
memory/2160-25-0x0000000002210000-0x0000000002216000-memory.dmp
memory/2160-26-0x0000000008000000-0x000000000800D000-memory.dmp