Malware Analysis Report

2025-05-28 18:04

Sample ID 241109-zfy82asapb
Target yrtyjfn.exe
SHA256 54c8fda8c41eb955eeef394db36c2ff4596859fce19301164bb4b226ec56b0bc
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 Overview

score
10/10

SHA256

54c8fda8c41eb955eeef394db36c2ff4596859fce19301164bb4b226ec56b0bc

Threat Level: Known bad

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

Malicious Activity Summary

rat default asyncrat discovery

AsyncRat

Async RAT payload

Asyncrat family

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 20:40

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

2024-11-09 20:40

Reported

2024-11-09 20:58

Platform

win10ltsc2021-20241023-en

Max time kernel

1050s

Max time network

1057s

Command Line

"C:\Users\Admin\AppData\Local\Temp\yrtyjfn.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\yrtyjfn.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
N/A 127.0.0.1:7707 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
GT 190.104.116.8:62565 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
N/A 127.0.0.1:6606 tcp
GT 190.104.116.8:139 tcp
GT 190.104.116.8:62565 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
GT 190.104.116.8:62565 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
N/A 127.0.0.1:7707 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
N/A 127.0.0.1:7707 tcp
GT 190.104.116.8:139 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
GT 190.104.116.8:139 tcp
GT 190.104.116.8:139 tcp
GT 190.104.116.8:139 tcp
US 8.8.8.8:53 252.15.104.51.in-addr.arpa udp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
GT 190.104.116.8:62565 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
N/A 127.0.0.1:6606 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
GT 190.104.116.8:62565 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
GT 190.104.116.8:62565 tcp
N/A 127.0.0.1:6606 tcp
GT 190.104.116.8:62565 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
N/A 127.0.0.1:7707 tcp
GT 190.104.116.8:62565 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
GT 190.104.116.8:62565 tcp
N/A 127.0.0.1:6606 tcp
N/A 127.0.0.1:6606 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
GT 190.104.116.8:139 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
GT 190.104.116.8:139 tcp
N/A 127.0.0.1:7707 tcp
GT 190.104.116.8:139 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
GT 190.104.116.8:139 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
GT 190.104.116.8:139 tcp
GT 190.104.116.8:139 tcp
GT 190.104.116.8:62565 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
N/A 127.0.0.1:7707 tcp
GT 190.104.116.8:139 tcp
GT 190.104.116.8:62565 tcp
GT 190.104.116.8:139 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
N/A 127.0.0.1:6606 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
N/A 127.0.0.1:7707 tcp
N/A 127.0.0.1:6606 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
N/A 127.0.0.1:6606 tcp
GT 190.104.116.8:62565 tcp
N/A 127.0.0.1:6606 tcp
GT 190.104.116.8:62565 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
GT 190.104.116.8:139 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp
GT 190.104.116.8:139 tcp
US 8.8.8.8:53 Cristopher11sa-62565.portmap.host udp

Files

memory/1716-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

memory/1716-1-0x0000000000010000-0x0000000000022000-memory.dmp

memory/1716-2-0x0000000074A00000-0x00000000751B1000-memory.dmp

memory/1716-3-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

memory/1716-4-0x0000000074A00000-0x00000000751B1000-memory.dmp