Analysis Overview
SHA256
f2cea2ace90fadcf5ee82ed9ebc1f7dc577a3b1fbce75b2831c1b170879d5494
Threat Level: Shows suspicious behavior
The file PekzLOG.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Obfuscated with Agile.Net obfuscator
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-24 16:34
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-24 16:34
Reported
2024-08-24 16:36
Platform
win7-20240704-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Obfuscated with Agile.Net obfuscator
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\PekzLOG.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\PekzLOG.exe
"C:\Users\Admin\AppData\Local\Temp\PekzLOG.exe"
Network
Files
memory/308-0-0x000007FEF59F3000-0x000007FEF59F4000-memory.dmp
memory/308-1-0x0000000000A70000-0x0000000000B00000-memory.dmp
memory/308-4-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp
memory/308-6-0x000000001B4A0000-0x000000001B5E2000-memory.dmp
memory/308-8-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp
memory/308-9-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp
memory/308-10-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp
memory/308-11-0x0000000000410000-0x0000000000416000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\1239694C.dll
| MD5 | feb5236bd41cc5f9cfc5b5dc25e66d25 |
| SHA1 | 6e3f599e8a57733655ddaa7703bbe939fd447216 |
| SHA256 | 6b64d5962e50dd590831dd7fbc6a09196fe03696d2767fc6416ac11edd2e0593 |
| SHA512 | 8e250045bf4acccd05ea0fddb54c936b9a1c7e25995f09815d31a86fbf9d28d17e71c33990420aa660e885c3950095499cf51d6944c4dd2735b2f993eb0b9507 |
memory/308-13-0x0000000000200000-0x0000000000206000-memory.dmp
memory/308-14-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-24 16:34
Reported
2024-08-24 16:36
Platform
win10v2004-20240802-en
Max time kernel
133s
Max time network
137s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\PekzLOG.exe | N/A |
Obfuscated with Agile.Net obfuscator
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\PekzLOG.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4308 wrote to memory of 664 | N/A | C:\Users\Admin\AppData\Local\Temp\PekzLOG.exe | C:\Windows\System32\cmd.exe |
| PID 4308 wrote to memory of 664 | N/A | C:\Users\Admin\AppData\Local\Temp\PekzLOG.exe | C:\Windows\System32\cmd.exe |
| PID 664 wrote to memory of 1160 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\choice.exe |
| PID 664 wrote to memory of 1160 | N/A | C:\Windows\System32\cmd.exe | C:\Windows\system32\choice.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\PekzLOG.exe
"C:\Users\Admin\AppData\Local\Temp\PekzLOG.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\1239694C.dll" /A:H
C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 3
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 52.111.229.48:443 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/4308-0-0x00007FFE8FBC3000-0x00007FFE8FBC5000-memory.dmp
memory/4308-1-0x0000000000800000-0x0000000000890000-memory.dmp
memory/4308-5-0x000000001B6A0000-0x000000001B7E2000-memory.dmp
memory/4308-6-0x00007FFE8FBC0000-0x00007FFE90681000-memory.dmp
memory/4308-9-0x00007FFE8FBC0000-0x00007FFE90681000-memory.dmp
memory/4308-8-0x0000000001160000-0x0000000001166000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\1239694C.dll
| MD5 | feb5236bd41cc5f9cfc5b5dc25e66d25 |
| SHA1 | 6e3f599e8a57733655ddaa7703bbe939fd447216 |
| SHA256 | 6b64d5962e50dd590831dd7fbc6a09196fe03696d2767fc6416ac11edd2e0593 |
| SHA512 | 8e250045bf4acccd05ea0fddb54c936b9a1c7e25995f09815d31a86fbf9d28d17e71c33990420aa660e885c3950095499cf51d6944c4dd2735b2f993eb0b9507 |
memory/4308-11-0x00007FFE8FBC0000-0x00007FFE90681000-memory.dmp
memory/4308-12-0x00007FFE8FBC0000-0x00007FFE90681000-memory.dmp
memory/4308-13-0x0000000001170000-0x0000000001176000-memory.dmp
memory/4308-15-0x00007FFE8FBC0000-0x00007FFE90681000-memory.dmp