Malware Analysis Report

2024-11-13 19:54

Sample ID 230921-e89v1sfc25
Target 6af8efa60cbc9bdad8f27c312265a25c1f22a0b6c6b7244c6a6ce10785de4abb
SHA256 6af8efa60cbc9bdad8f27c312265a25c1f22a0b6c6b7244c6a6ce10785de4abb
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

6af8efa60cbc9bdad8f27c312265a25c1f22a0b6c6b7244c6a6ce10785de4abb

Threat Level: Known bad

The file 6af8efa60cbc9bdad8f27c312265a25c1f22a0b6c6b7244c6a6ce10785de4abb was found to be: Known bad.

Malicious Activity Summary

r77

R77 family

r77 rootkit payload

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-09-21 04:37

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

2023-09-21 04:37

Reported

2023-09-21 04:40

Platform

win7-20230831-en

Max time kernel

117s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6af8efa60cbc9bdad8f27c312265a25c1f22a0b6c6b7244c6a6ce10785de4abb.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\6af8efa60cbc9bdad8f27c312265a25c1f22a0b6c6b7244c6a6ce10785de4abb.exe

"C:\Users\Admin\AppData\Local\Temp\6af8efa60cbc9bdad8f27c312265a25c1f22a0b6c6b7244c6a6ce10785de4abb.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2076 -s 144

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-21 04:37

Reported

2023-09-21 04:40

Platform

win10v2004-20230915-en

Max time kernel

130s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6af8efa60cbc9bdad8f27c312265a25c1f22a0b6c6b7244c6a6ce10785de4abb.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6af8efa60cbc9bdad8f27c312265a25c1f22a0b6c6b7244c6a6ce10785de4abb.exe

"C:\Users\Admin\AppData\Local\Temp\6af8efa60cbc9bdad8f27c312265a25c1f22a0b6c6b7244c6a6ce10785de4abb.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.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 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 254.177.238.8.in-addr.arpa udp
US 8.8.8.8:53 74.239.69.13.in-addr.arpa udp

Files

N/A