Malware Analysis Report

2024-10-18 21:31

Sample ID 240816-1le8sayfmc
Target StormKittyBuilder.exe
SHA256 1930c1df6cd383764992b0ef0169d579937bc51e583a2f6e61038fb0745e2b1a
Tags
stormkitty discovery 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

1930c1df6cd383764992b0ef0169d579937bc51e583a2f6e61038fb0745e2b1a

Threat Level: Known bad

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

Malicious Activity Summary

stormkitty discovery stealer

StormKitty

StormKitty payload

Stormkitty family

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-16 21:44

Signatures

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

2024-08-16 21:44

Reported

2024-08-16 21:44

Platform

win7-20240704-en

Max time kernel

15s

Max time network

16s

Command Line

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

Signatures

StormKitty

stealer stormkitty

StormKitty payload

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\StormKittyBuilder.exe N/A

Processes

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

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

Network

N/A

Files

memory/1900-0-0x000000007409E000-0x000000007409F000-memory.dmp

memory/1900-1-0x0000000001340000-0x0000000001350000-memory.dmp

memory/1900-2-0x0000000074090000-0x000000007477E000-memory.dmp

memory/1900-3-0x000000007409E000-0x000000007409F000-memory.dmp

memory/1900-4-0x0000000074090000-0x000000007477E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-16 21:44

Reported

2024-08-16 21:44

Platform

win10v2004-20240802-en

Max time kernel

34s

Max time network

38s

Command Line

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

Signatures

StormKitty

stealer stormkitty

StormKitty payload

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\StormKittyBuilder.exe N/A

Processes

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4008 -ip 4008

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4008 -s 1100

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp

Files

memory/4008-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

memory/4008-1-0x00000000003D0000-0x00000000003E0000-memory.dmp

memory/4008-2-0x00000000745C0000-0x0000000074D70000-memory.dmp

memory/4008-3-0x00000000745CE000-0x00000000745CF000-memory.dmp

memory/4008-4-0x00000000745C0000-0x0000000074D70000-memory.dmp

memory/4008-5-0x00000000745C0000-0x0000000074D70000-memory.dmp