Analysis Overview
SHA256
0a1495479f90096b1e635dfc020cf14cff905f43e6e65d7889d07786d24047e1
Threat Level: Known bad
The file 2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_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
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-02 04:50
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
2024-06-02 04:50
Reported
2024-06-02 04:52
Platform
win7-20240508-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\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_cryptolocker.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1484 wrote to memory of 2648 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1484 wrote to memory of 2648 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1484 wrote to memory of 2648 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 1484 wrote to memory of 2648 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_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 | 3.130.204.160:443 | 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 |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
Files
memory/1484-0-0x00000000004B0000-0x00000000004B6000-memory.dmp
memory/1484-1-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/1484-7-0x00000000004B0000-0x00000000004B6000-memory.dmp
\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 45d87c91c5862b30e895eec717439a19 |
| SHA1 | 974cbf622ceb80d216d6943580b09ffa40e99c8e |
| SHA256 | 8890355c3b368a662bf2fd5e988fc2871fb3826b9ff331ad66df86160a97b4ff |
| SHA512 | b74d95a32c1d0de2270159bf8e49cbeaa439eba51bfee1bc4cbd7de907f6e9bca138c7fdedc78145b3eb4c350e59a2d487341d403527dc28d50d425eb808321b |
memory/2648-22-0x0000000000300000-0x0000000000306000-memory.dmp
memory/2648-15-0x00000000004B0000-0x00000000004B6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-02 04:50
Reported
2024-06-02 04:52
Platform
win10v2004-20240426-en
Max time kernel
150s
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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_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 4144 wrote to memory of 3552 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4144 wrote to memory of 3552 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
| PID 4144 wrote to memory of 3552 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_cryptolocker.exe | C:\Users\Admin\AppData\Local\Temp\asih.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_ea33fe4831c0577b2dba0c352a4d94ed_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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | emrlogistics.com | udp |
| US | 3.130.204.160:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 3.130.253.23:443 | emrlogistics.com | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| 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 | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | 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 | 8.8.8.8:53 | udp |
Files
memory/4144-0-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/4144-1-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/4144-8-0x00000000005A0000-0x00000000005A6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\asih.exe
| MD5 | 45d87c91c5862b30e895eec717439a19 |
| SHA1 | 974cbf622ceb80d216d6943580b09ffa40e99c8e |
| SHA256 | 8890355c3b368a662bf2fd5e988fc2871fb3826b9ff331ad66df86160a97b4ff |
| SHA512 | b74d95a32c1d0de2270159bf8e49cbeaa439eba51bfee1bc4cbd7de907f6e9bca138c7fdedc78145b3eb4c350e59a2d487341d403527dc28d50d425eb808321b |
memory/3552-18-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/3552-23-0x00000000006A0000-0x00000000006A6000-memory.dmp