Malware Analysis Report

2025-01-03 06:39

Sample ID 230808-vw7g5aed44
Target Hazard-Nuker.exe
SHA256 3d30fea6773ea15b649ae9fbe466828e92c803c1ed8355014f86807dfc410349
Tags
stormkitty persistence stealer
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 Overview

score
10/10

SHA256

3d30fea6773ea15b649ae9fbe466828e92c803c1ed8355014f86807dfc410349

Threat Level: Known bad

The file Hazard-Nuker.exe was found to be: Known bad.

Malicious Activity Summary

stormkitty persistence stealer

StormKitty

Contains code to disable Windows Defender

Stormkitty family

StormKitty payload

Adds Run key to start application

Looks up external IP address via web service

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-08-08 17:21

Signatures

Contains code to disable Windows Defender

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

StormKitty payload

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

Stormkitty family

stormkitty

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-08 17:21

Reported

2023-08-08 17:51

Platform

win10-20230703-en

Max time kernel

334s

Max time network

1600s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Hazard-Nuker.exe"

Signatures

Contains code to disable Windows Defender

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

StormKitty

stealer stormkitty

StormKitty payload

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2767205360-3565838719-3800013281-1000\Software\Microsoft\Windows\CurrentVersion\Run\nvidiaDValueOn = "C:\\Users\\Admin\\AppData\\Local\\NVIDIA Local Drivers\\DriversUpdateProcess_x64.exe" C:\Users\Admin\AppData\Local\Temp\Hazard-Nuker.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\system32\WerFault.exe C:\Users\Admin\AppData\Local\Temp\Hazard-Nuker.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Hazard-Nuker.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Hazard-Nuker.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\Hazard-Nuker.exe

"C:\Users\Admin\AppData\Local\Temp\Hazard-Nuker.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1012 -s 1396

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
BR 132.226.247.73:80 checkip.dyndns.org tcp
US 8.8.8.8:53 73.247.226.132.in-addr.arpa udp
US 8.8.8.8:53 38.148.119.40.in-addr.arpa udp
US 8.8.8.8:53 163.252.72.23.in-addr.arpa udp

Files

memory/1012-117-0x0000000000D80000-0x0000000000DC6000-memory.dmp

memory/1012-118-0x00007FFE788F0000-0x00007FFE792DC000-memory.dmp

memory/1012-119-0x000000001BA20000-0x000000001BA30000-memory.dmp

memory/1012-122-0x00007FFE788F0000-0x00007FFE792DC000-memory.dmp

memory/1012-123-0x00007FFE788F0000-0x00007FFE792DC000-memory.dmp