Malware Analysis Report

2024-11-30 20:11

Sample ID 240509-c3q5lsgf78
Target pdfsuite20.exe
SHA256 c402225260a6957be61c61d21b616ab8b05ea54ad7275d03d48058a452336e98
Tags
zgrat rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c402225260a6957be61c61d21b616ab8b05ea54ad7275d03d48058a452336e98

Threat Level: Known bad

The file pdfsuite20.exe was found to be: Known bad.

Malicious Activity Summary

zgrat rat

Detect ZGRat V1

Zgrat family

ZGRat

Suspicious use of SetThreadContext

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-09 02:36

Signatures

Detect ZGRat V1

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

Zgrat family

zgrat

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 02:36

Reported

2024-05-09 02:37

Platform

win10v2004-20240226-en

Max time kernel

48s

Max time network

47s

Command Line

"C:\Users\Admin\AppData\Local\Temp\pdfsuite20.exe"

Signatures

Detect ZGRat V1

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

ZGRat

rat zgrat

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 620 set thread context of 4868 N/A C:\Users\Admin\AppData\Local\Temp\pdfsuite20.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\pdfsuite20.exe

"C:\Users\Admin\AppData\Local\Temp\pdfsuite20.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3760 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
GB 142.250.187.234:443 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/620-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

memory/620-1-0x0000000000640000-0x0000000000852000-memory.dmp

memory/620-2-0x0000000074EE0000-0x0000000075690000-memory.dmp

memory/620-3-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

memory/620-6-0x0000000074EE0000-0x0000000075690000-memory.dmp

memory/4868-7-0x0000000000400000-0x00000000005E7000-memory.dmp