Malware Analysis Report

2025-01-18 04:36

Sample ID 230922-jybbxsgf87
Target crypted.bin
SHA256 8bfdd772fb6c76463e5183114bd85834eb32c8210e0dd5346d789fe038dfd552
Tags
nyancatrevenge revengerat
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

8bfdd772fb6c76463e5183114bd85834eb32c8210e0dd5346d789fe038dfd552

Threat Level: Known bad

The file crypted.bin was found to be: Known bad.

Malicious Activity Summary

nyancatrevenge revengerat

Revengerat family

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-09-22 08:04

Signatures

Revengerat family

revengerat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-22 08:04

Reported

2023-09-22 08:06

Platform

win7-20230831-en

Max time kernel

148s

Max time network

152s

Command Line

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

Signatures

N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 marcelotatuape.ddns.net udp
BR 177.52.82.67:333 marcelotatuape.ddns.net tcp
BR 177.52.82.67:333 marcelotatuape.ddns.net tcp
BR 177.52.82.67:333 marcelotatuape.ddns.net tcp
US 8.8.8.8:53 marcelotatuape.ddns.net udp
BR 177.52.82.67:333 marcelotatuape.ddns.net tcp
BR 177.52.82.67:333 marcelotatuape.ddns.net tcp
US 8.8.8.8:53 marcelotatuape.ddns.net udp
BR 177.52.82.67:333 marcelotatuape.ddns.net tcp
US 8.8.8.8:53 marcelotatuape.ddns.net udp
BR 177.52.82.67:333 marcelotatuape.ddns.net tcp

Files

memory/1700-0-0x00000000745A0000-0x0000000074B4B000-memory.dmp

memory/1700-2-0x0000000000190000-0x00000000001D0000-memory.dmp

memory/1700-1-0x00000000745A0000-0x0000000074B4B000-memory.dmp

memory/1700-3-0x00000000745A0000-0x0000000074B4B000-memory.dmp

memory/1700-4-0x0000000000190000-0x00000000001D0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-22 08:04

Reported

2023-09-22 08:06

Platform

win10v2004-20230915-en

Max time kernel

148s

Max time network

155s

Command Line

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

Signatures

N/A

Processes

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

"C:\Users\Admin\AppData\Local\Temp\crypted.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 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 marcelotatuape.ddns.net udp
BR 177.52.82.67:333 marcelotatuape.ddns.net tcp
BR 177.52.82.67:333 marcelotatuape.ddns.net tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 142.121.18.2.in-addr.arpa udp
BR 177.52.82.67:333 marcelotatuape.ddns.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 marcelotatuape.ddns.net udp
BR 177.52.82.67:333 marcelotatuape.ddns.net tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
BR 177.52.82.67:333 marcelotatuape.ddns.net tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 marcelotatuape.ddns.net udp
BR 177.52.82.67:333 marcelotatuape.ddns.net tcp
US 8.8.8.8:53 4.173.189.20.in-addr.arpa udp
BR 177.52.82.67:333 marcelotatuape.ddns.net tcp

Files

memory/2276-0-0x0000000074B90000-0x0000000075141000-memory.dmp

memory/2276-1-0x0000000074B90000-0x0000000075141000-memory.dmp

memory/2276-2-0x0000000000C00000-0x0000000000C10000-memory.dmp

memory/2276-3-0x0000000074B90000-0x0000000075141000-memory.dmp