Malware Analysis Report

2024-12-08 02:24

Sample ID 241121-wljhzstrhs
Target Client.exe
SHA256 eedce349ce30bae2c269040ac02e0c1d2a979cd2743dc89dc8138e61b30f1798
Tags
rat asyncrat venomrat
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

eedce349ce30bae2c269040ac02e0c1d2a979cd2743dc89dc8138e61b30f1798

Threat Level: Known bad

The file Client.exe was found to be: Known bad.

Malicious Activity Summary

rat asyncrat venomrat

Asyncrat family

VenomRAT

Venomrat family

AsyncRat

Async RAT payload

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-11-21 18:00

Signatures

Async RAT payload

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

Asyncrat family

asyncrat

VenomRAT

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

Venomrat family

venomrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-21 18:00

Reported

2024-11-21 18:03

Platform

win7-20241010-en

Max time kernel

118s

Max time network

122s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Asyncrat family

asyncrat

VenomRAT

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

Venomrat family

venomrat

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2776 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\system32\WerFault.exe
PID 2776 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\system32\WerFault.exe
PID 2776 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\Client.exe C:\Windows\system32\WerFault.exe

Processes

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2776 -s 600

Network

N/A

Files

memory/2776-0-0x000007FEF6503000-0x000007FEF6504000-memory.dmp

memory/2776-1-0x0000000000070000-0x0000000000088000-memory.dmp

memory/2776-3-0x000007FEF6500000-0x000007FEF6EEC000-memory.dmp

memory/2776-4-0x000007FEF6500000-0x000007FEF6EEC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 18:00

Reported

2024-11-21 18:03

Platform

win10v2004-20241007-en

Max time kernel

96s

Max time network

143s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Asyncrat family

asyncrat

VenomRAT

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

Venomrat family

venomrat

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 90.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/1132-0-0x00007FF8563B3000-0x00007FF8563B5000-memory.dmp

memory/1132-1-0x0000000000C70000-0x0000000000C88000-memory.dmp

memory/1132-3-0x00007FF8563B0000-0x00007FF856E71000-memory.dmp

memory/1132-4-0x00007FF8563B0000-0x00007FF856E71000-memory.dmp