Malware Analysis Report

2024-12-08 02:25

Sample ID 230615-m429daga63
Target 4751f0015131775aa8bade11885bb027997dc7f2a2a266cc87a39e72555ad3ec
SHA256 4751f0015131775aa8bade11885bb027997dc7f2a2a266cc87a39e72555ad3ec
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

4751f0015131775aa8bade11885bb027997dc7f2a2a266cc87a39e72555ad3ec

Threat Level: Known bad

The file 4751f0015131775aa8bade11885bb027997dc7f2a2a266cc87a39e72555ad3ec was found to be: Known bad.

Malicious Activity Summary

r77

r77 rootkit payload

R77 family

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-06-15 11:01

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

2023-06-15 11:01

Reported

2023-06-15 11:04

Platform

win7-20230220-en

Max time kernel

28s

Max time network

30s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4751f0015131775aa8bade11885bb027997dc7f2a2a266cc87a39e72555ad3ec.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\4751f0015131775aa8bade11885bb027997dc7f2a2a266cc87a39e72555ad3ec.exe

"C:\Users\Admin\AppData\Local\Temp\4751f0015131775aa8bade11885bb027997dc7f2a2a266cc87a39e72555ad3ec.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1372 -s 144

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-06-15 11:01

Reported

2023-06-15 11:04

Platform

win10v2004-20230220-en

Max time kernel

146s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4751f0015131775aa8bade11885bb027997dc7f2a2a266cc87a39e72555ad3ec.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\4751f0015131775aa8bade11885bb027997dc7f2a2a266cc87a39e72555ad3ec.exe

"C:\Users\Admin\AppData\Local\Temp\4751f0015131775aa8bade11885bb027997dc7f2a2a266cc87a39e72555ad3ec.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 408 -p 2244 -ip 2244

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2244 -s 392

Network

Country Destination Domain Proto
US 8.8.8.8:53 96.108.152.52.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 123.108.74.40.in-addr.arpa udp
IE 13.69.239.74:443 tcp
US 8.8.8.8:53 44.8.109.52.in-addr.arpa udp
NL 8.238.179.126:80 tcp
NL 8.238.179.126:80 tcp
NL 173.223.113.164:443 tcp

Files

N/A