Malware Analysis Report

2024-11-13 16:19

Sample ID 240824-t27veaygph
Target PekzLOG.exe
SHA256 f2cea2ace90fadcf5ee82ed9ebc1f7dc577a3b1fbce75b2831c1b170879d5494
Tags
agilenet
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

f2cea2ace90fadcf5ee82ed9ebc1f7dc577a3b1fbce75b2831c1b170879d5494

Threat Level: Shows suspicious behavior

The file PekzLOG.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

agilenet

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

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

"C:\Users\Admin\AppData\Local\Temp\PekzLOG.exe"

Signatures

Obfuscated with Agile.Net obfuscator

agilenet
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

N/A

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

"C:\Users\Admin\AppData\Local\Temp\PekzLOG.exe"

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

agilenet
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