Malware Analysis Report

2024-08-06 13:00

Sample ID 240605-ghwa2sff81
Target f6b04a5d431b9172027768a5a6f66353eab31891c5d80c8794e6f6d0f5e02126
SHA256 f6b04a5d431b9172027768a5a6f66353eab31891c5d80c8794e6f6d0f5e02126
Tags
rat asyncrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

f6b04a5d431b9172027768a5a6f66353eab31891c5d80c8794e6f6d0f5e02126

Threat Level: Known bad

The file f6b04a5d431b9172027768a5a6f66353eab31891c5d80c8794e6f6d0f5e02126 was found to be: Known bad.

Malicious Activity Summary

rat asyncrat

Async RAT payload

Asyncrat family

Detects executables packed with SmartAssembly

Detects executables packed with SmartAssembly

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-05 05:48

Signatures

Async RAT payload

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

Asyncrat family

asyncrat

Detects executables packed with SmartAssembly

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

2024-06-05 05:48

Reported

2024-06-05 05:51

Platform

win7-20240508-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f6b04a5d431b9172027768a5a6f66353eab31891c5d80c8794e6f6d0f5e02126.exe"

Signatures

Detects executables packed with SmartAssembly

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

Processes

C:\Users\Admin\AppData\Local\Temp\f6b04a5d431b9172027768a5a6f66353eab31891c5d80c8794e6f6d0f5e02126.exe

"C:\Users\Admin\AppData\Local\Temp\f6b04a5d431b9172027768a5a6f66353eab31891c5d80c8794e6f6d0f5e02126.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2896 -s 500

Network

N/A

Files

memory/2896-0-0x000007FEF5633000-0x000007FEF5634000-memory.dmp

memory/2896-1-0x0000000000FF0000-0x000000000106C000-memory.dmp

memory/2896-2-0x000007FEF5633000-0x000007FEF5634000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-05 05:48

Reported

2024-06-05 05:51

Platform

win10v2004-20240426-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f6b04a5d431b9172027768a5a6f66353eab31891c5d80c8794e6f6d0f5e02126.exe"

Signatures

Detects executables packed with SmartAssembly

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

Processes

C:\Users\Admin\AppData\Local\Temp\f6b04a5d431b9172027768a5a6f66353eab31891c5d80c8794e6f6d0f5e02126.exe

"C:\Users\Admin\AppData\Local\Temp\f6b04a5d431b9172027768a5a6f66353eab31891c5d80c8794e6f6d0f5e02126.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/3232-0-0x0000000000050000-0x00000000000CC000-memory.dmp

memory/3232-1-0x00007FFD832C3000-0x00007FFD832C5000-memory.dmp