Malware Analysis Report

2025-01-03 06:30

Sample ID 230912-ghb76sea83
Target client.exe
SHA256 a2ad4778640e698d1e1192ec85e704d38d48a7fc1c2f091f958820403ec39340
Tags
stormkitty stealer
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

a2ad4778640e698d1e1192ec85e704d38d48a7fc1c2f091f958820403ec39340

Threat Level: Known bad

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

Malicious Activity Summary

stormkitty stealer

StormKitty payload

Stormkitty family

StormKitty

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-09-12 05:47

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

2023-09-12 05:47

Reported

2023-09-12 05:50

Platform

win7-20230831-en

Max time kernel

148s

Max time network

121s

Command Line

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

Signatures

StormKitty

stealer stormkitty

StormKitty payload

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

Suspicious behavior: EnumeratesProcesses

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

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 SetWindowsHookEx

Description Indicator Process Target
N/A 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
MY 101.99.92.121:1337 tcp

Files

memory/2216-0-0x0000000001100000-0x0000000001198000-memory.dmp

memory/2216-1-0x000007FEF55A0000-0x000007FEF5F8C000-memory.dmp

memory/2216-2-0x000000001B1C0000-0x000000001B240000-memory.dmp

memory/2216-4-0x000007FEF55A0000-0x000007FEF5F8C000-memory.dmp

memory/2216-5-0x000000001B1C0000-0x000000001B240000-memory.dmp

memory/2216-6-0x000000001B1C0000-0x000000001B240000-memory.dmp

memory/2216-7-0x000000001B1C0000-0x000000001B240000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-12 05:47

Reported

2023-09-12 05:50

Platform

win10v2004-20230831-en

Max time kernel

148s

Max time network

137s

Command Line

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

Signatures

StormKitty

stealer stormkitty

StormKitty payload

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

Suspicious behavior: EnumeratesProcesses

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

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 SetWindowsHookEx

Description Indicator Process Target
N/A 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 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
MY 101.99.92.121:1337 tcp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 121.92.99.101.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 169.117.168.52.in-addr.arpa udp

Files

memory/1448-0-0x0000000000C40000-0x0000000000CD8000-memory.dmp

memory/1448-1-0x00007FFC79C00000-0x00007FFC7A6C1000-memory.dmp

memory/1448-2-0x00000000014E0000-0x00000000014F0000-memory.dmp

memory/1448-4-0x00007FFC79C00000-0x00007FFC7A6C1000-memory.dmp

memory/1448-5-0x00000000014E0000-0x00000000014F0000-memory.dmp

memory/1448-6-0x00000000014E0000-0x00000000014F0000-memory.dmp

memory/1448-7-0x00000000014E0000-0x00000000014F0000-memory.dmp

memory/1448-8-0x00000000014E0000-0x00000000014F0000-memory.dmp

memory/1448-9-0x00000000014E0000-0x00000000014F0000-memory.dmp