Malware Analysis Report

2025-08-05 11:00

Sample ID 241031-f1jvas1dja
Target plzwork.exe
SHA256 facf720b58ff6b58dd854830b56fbe31cadd8e201d8c7794135ad79a49bbab13
Tags
rat default asyncrat discovery
score
10/10

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
10/10

SHA256

facf720b58ff6b58dd854830b56fbe31cadd8e201d8c7794135ad79a49bbab13

Threat Level: Known bad

The file plzwork.exe was found to be: Known bad.

Malicious Activity Summary

rat default asyncrat discovery

Async RAT payload

Asyncrat family

AsyncRat

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-31 05:20

Signatures

Async RAT payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Asyncrat family

asyncrat

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-31 05:20

Reported

2024-10-31 05:23

Platform

win7-20241010-en

Max time kernel

149s

Max time network

121s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Asyncrat family

asyncrat

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\plzwork.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\plzwork.exe

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

Network

Country Destination Domain Proto
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:8808 tcp

Files

memory/2652-0-0x000000007492E000-0x000000007492F000-memory.dmp

memory/2652-1-0x0000000000B30000-0x0000000000B42000-memory.dmp

memory/2652-2-0x0000000074920000-0x000000007500E000-memory.dmp

memory/2652-3-0x0000000074920000-0x000000007500E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-31 05:20

Reported

2024-10-31 05:23

Platform

win10v2004-20241007-en

Max time kernel

145s

Max time network

135s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Asyncrat family

asyncrat

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\plzwork.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\plzwork.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:6606 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
N/A 127.0.0.1:6606 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:8808 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
N/A 127.0.0.1:7707 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:8808 tcp
N/A 127.0.0.1:8808 tcp

Files

memory/2144-0-0x000000007490E000-0x000000007490F000-memory.dmp

memory/2144-1-0x0000000000A90000-0x0000000000AA2000-memory.dmp

memory/2144-2-0x0000000074900000-0x00000000750B0000-memory.dmp

memory/2144-3-0x000000007490E000-0x000000007490F000-memory.dmp

memory/2144-4-0x0000000074900000-0x00000000750B0000-memory.dmp