Malware Analysis Report

2025-04-13 12:24

Sample ID 250104-a964asvmep
Target fischV2.02.exe
SHA256 4bc07dc7d54350b70913815ce1e64e7de0a4a553f98c329d9dfa102393596c60
Tags
discordrat persistence rat rootkit stealer
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

4bc07dc7d54350b70913815ce1e64e7de0a4a553f98c329d9dfa102393596c60

Threat Level: Known bad

The file fischV2.02.exe was found to be: Known bad.

Malicious Activity Summary

discordrat persistence rat rootkit stealer

Discordrat family

Discord RAT

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2025-01-04 00:55

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-04 00:55

Reported

2025-01-04 00:58

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fischV2.02.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Discordrat family

discordrat

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2328 wrote to memory of 1860 N/A C:\Users\Admin\AppData\Local\Temp\fischV2.02.exe C:\Windows\system32\WerFault.exe
PID 2328 wrote to memory of 1860 N/A C:\Users\Admin\AppData\Local\Temp\fischV2.02.exe C:\Windows\system32\WerFault.exe
PID 2328 wrote to memory of 1860 N/A C:\Users\Admin\AppData\Local\Temp\fischV2.02.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fischV2.02.exe

"C:\Users\Admin\AppData\Local\Temp\fischV2.02.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2328 -s 596

Network

N/A

Files

memory/2328-0-0x000007FEF5EE3000-0x000007FEF5EE4000-memory.dmp

memory/2328-1-0x000000013FE30000-0x000000013FE48000-memory.dmp

memory/2328-2-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

memory/2328-3-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-04 00:55

Reported

2025-01-04 00:58

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fischV2.02.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Discordrat family

discordrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fischV2.02.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fischV2.02.exe

"C:\Users\Admin\AppData\Local\Temp\fischV2.02.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 gateway.discord.gg udp
US 162.159.135.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 234.135.159.162.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/4080-0-0x00007FFF48353000-0x00007FFF48355000-memory.dmp

memory/4080-1-0x000002BD75100000-0x000002BD75118000-memory.dmp

memory/4080-2-0x000002BD77760000-0x000002BD77922000-memory.dmp

memory/4080-3-0x00007FFF48350000-0x00007FFF48E11000-memory.dmp

memory/4080-4-0x000002BD77F60000-0x000002BD78488000-memory.dmp

memory/4080-5-0x00007FFF48350000-0x00007FFF48E11000-memory.dmp