Malware Analysis Report

2025-01-03 07:37

Sample ID 230823-scvywaed6v
Target Prynt_Stealer_5.6.exe
SHA256 b1ae4b96a33486d7abc09f7405c450934531920de0d44cde7e628f08b753e6d9
Tags
stormkitty stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b1ae4b96a33486d7abc09f7405c450934531920de0d44cde7e628f08b753e6d9

Threat Level: Known bad

The file Prynt_Stealer_5.6.exe was found to be: Known bad.

Malicious Activity Summary

stormkitty stealer

StormKitty

StormKitty payload

Stormkitty family

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-08-23 14:59

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: behavioral2

Detonation Overview

Submitted

2023-08-23 14:59

Reported

2023-08-23 15:02

Platform

win10v2004-20230703-en

Max time kernel

142s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Prynt_Stealer_5.6.exe"

Signatures

StormKitty

stealer stormkitty

StormKitty payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\Prynt_Stealer_5.6.exe

"C:\Users\Admin\AppData\Local\Temp\Prynt_Stealer_5.6.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1964 -ip 1964

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 1048

Network

Country Destination Domain Proto
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 45.8.109.52.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 9.173.189.20.in-addr.arpa udp

Files

memory/1964-0-0x00000000748E0000-0x0000000075090000-memory.dmp

memory/1964-1-0x00000000000B0000-0x0000000000116000-memory.dmp

memory/1964-2-0x0000000005020000-0x00000000055C4000-memory.dmp

memory/1964-3-0x0000000004B10000-0x0000000004BA2000-memory.dmp

memory/1964-4-0x0000000004CB0000-0x0000000004CC0000-memory.dmp

memory/1964-5-0x0000000004AE0000-0x0000000004AEA000-memory.dmp

memory/1964-6-0x00000000748E0000-0x0000000075090000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-23 14:59

Reported

2023-08-23 15:01

Platform

win7-20230712-en

Max time kernel

120s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Prynt_Stealer_5.6.exe"

Signatures

StormKitty

stealer stormkitty

StormKitty payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\Prynt_Stealer_5.6.exe

"C:\Users\Admin\AppData\Local\Temp\Prynt_Stealer_5.6.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 632

Network

N/A

Files

memory/1876-0-0x0000000000D80000-0x0000000000DE6000-memory.dmp

memory/1876-1-0x0000000074480000-0x0000000074B6E000-memory.dmp

memory/1876-2-0x0000000004E10000-0x0000000004E50000-memory.dmp

memory/1876-3-0x0000000074480000-0x0000000074B6E000-memory.dmp

memory/1876-4-0x0000000004E10000-0x0000000004E50000-memory.dmp