Malware Analysis Report

2025-01-03 06:40

Sample ID 230808-wkdlcagc9w
Target Hazard-Nuker.rar
SHA256 54977b912c095aad3344503a6ac190ff9371bb22bb9d71e28aceec66dda8b777
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

54977b912c095aad3344503a6ac190ff9371bb22bb9d71e28aceec66dda8b777

Threat Level: Known bad

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

Malicious Activity Summary

stormkitty persistence stealer

Contains code to disable Windows Defender

StormKitty payload

Stormkitty family

StormKitty

Adds Run key to start application

Looks up external IP address via web service

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-08-08 17:58

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 17:58

Reported

2023-08-08 18:28

Platform

win10v2004-20230703-en

Max time kernel

1794s

Max time network

1506s

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-1-5-21-4176143399-3250363947-192774652-1000\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 -pss -s 408 -p 2228 -ip 2228

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2228 -s 1528

Network

Country Destination Domain Proto
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 126.178.238.8.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
DE 193.122.6.168:80 checkip.dyndns.org tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 168.6.122.193.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 203.151.224.20.in-addr.arpa udp
US 8.8.8.8:53 9.179.89.13.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 54.120.234.20.in-addr.arpa udp
US 8.8.8.8:53 160.252.72.23.in-addr.arpa udp

Files

memory/2228-133-0x0000000000710000-0x0000000000756000-memory.dmp

memory/2228-134-0x00007FFED4110000-0x00007FFED4BD1000-memory.dmp

memory/2228-135-0x0000000002830000-0x0000000002840000-memory.dmp

memory/2228-138-0x00007FFED4110000-0x00007FFED4BD1000-memory.dmp

memory/2228-139-0x0000000002830000-0x0000000002840000-memory.dmp

memory/2228-140-0x00007FFED4110000-0x00007FFED4BD1000-memory.dmp