Malware Analysis Report

2024-12-08 02:26

Sample ID 230712-rzt5esef5v
Target c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c
SHA256 c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c
Tags
r77
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c

Threat Level: Known bad

The file c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c was found to be: Known bad.

Malicious Activity Summary

r77

R77 family

r77 rootkit payload

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-07-12 14:38

Signatures

R77 family

r77

r77 rootkit payload

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-07-12 14:38

Reported

2023-07-12 14:40

Platform

win7-20230712-en

Max time kernel

122s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c.exe

"C:\Users\Admin\AppData\Local\Temp\c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2376 -s 144

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-07-12 14:38

Reported

2023-07-12 14:40

Platform

win10v2004-20230703-en

Max time kernel

142s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c.exe

"C:\Users\Admin\AppData\Local\Temp\c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 404 -p 3124 -ip 3124

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 3124 -s 372

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 54.120.234.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 76.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 2.77.109.52.in-addr.arpa udp
US 8.8.8.8:53 89.65.42.20.in-addr.arpa udp

Files

N/A