Malware Analysis Report

2025-04-14 05:12

Sample ID 250106-c2cktswkaj
Target 499037a541089d3ac4f2bf69c40996d6414dfeafb89b54af920ba09a4c89f3a6.exe
SHA256 499037a541089d3ac4f2bf69c40996d6414dfeafb89b54af920ba09a4c89f3a6
Tags
nyancatrevenge revengerat discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

499037a541089d3ac4f2bf69c40996d6414dfeafb89b54af920ba09a4c89f3a6

Threat Level: Known bad

The file 499037a541089d3ac4f2bf69c40996d6414dfeafb89b54af920ba09a4c89f3a6.exe was found to be: Known bad.

Malicious Activity Summary

nyancatrevenge revengerat discovery

Revengerat family

Unsigned PE

System Location Discovery: System Language Discovery

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-06 02:33

Signatures

Revengerat family

revengerat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-06 02:33

Reported

2025-01-06 02:36

Platform

win7-20240903-en

Max time kernel

117s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\499037a541089d3ac4f2bf69c40996d6414dfeafb89b54af920ba09a4c89f3a6.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\499037a541089d3ac4f2bf69c40996d6414dfeafb89b54af920ba09a4c89f3a6.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 C:\Users\Admin\AppData\Local\Temp\499037a541089d3ac4f2bf69c40996d6414dfeafb89b54af920ba09a4c89f3a6.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\499037a541089d3ac4f2bf69c40996d6414dfeafb89b54af920ba09a4c89f3a6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\499037a541089d3ac4f2bf69c40996d6414dfeafb89b54af920ba09a4c89f3a6.exe

"C:\Users\Admin\AppData\Local\Temp\499037a541089d3ac4f2bf69c40996d6414dfeafb89b54af920ba09a4c89f3a6.exe"

Network

Country Destination Domain Proto
SE 16.171.35.35:333 tcp
SE 16.171.35.35:333 tcp

Files

memory/2256-0-0x0000000074121000-0x0000000074122000-memory.dmp

memory/2256-1-0x0000000074120000-0x00000000746CB000-memory.dmp

memory/2256-2-0x0000000074120000-0x00000000746CB000-memory.dmp

memory/2256-3-0x0000000074120000-0x00000000746CB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-06 02:33

Reported

2025-01-06 02:36

Platform

win10v2004-20241007-en

Max time kernel

101s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\499037a541089d3ac4f2bf69c40996d6414dfeafb89b54af920ba09a4c89f3a6.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\499037a541089d3ac4f2bf69c40996d6414dfeafb89b54af920ba09a4c89f3a6.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 C:\Users\Admin\AppData\Local\Temp\499037a541089d3ac4f2bf69c40996d6414dfeafb89b54af920ba09a4c89f3a6.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\499037a541089d3ac4f2bf69c40996d6414dfeafb89b54af920ba09a4c89f3a6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\499037a541089d3ac4f2bf69c40996d6414dfeafb89b54af920ba09a4c89f3a6.exe

"C:\Users\Admin\AppData\Local\Temp\499037a541089d3ac4f2bf69c40996d6414dfeafb89b54af920ba09a4c89f3a6.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 181.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
SE 16.171.35.35:333 tcp
US 8.8.8.8:53 35.35.171.16.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.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 8.8.8.8:53 167.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
SE 16.171.35.35:333 tcp

Files

memory/544-0-0x0000000074BC2000-0x0000000074BC3000-memory.dmp

memory/544-1-0x0000000074BC0000-0x0000000075171000-memory.dmp

memory/544-2-0x0000000074BC0000-0x0000000075171000-memory.dmp

memory/544-3-0x0000000074BC2000-0x0000000074BC3000-memory.dmp

memory/544-4-0x0000000074BC0000-0x0000000075171000-memory.dmp