Malware Analysis Report

2025-01-03 06:17

Sample ID 241123-rr5aeswpby
Target Pc Fire.exe
SHA256 9b1e17bfb91e74ba74e0b00fba0fa0c71316994cca8145207f3dd0f0e41f1ed5
Tags
stormkitty persistence stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

9b1e17bfb91e74ba74e0b00fba0fa0c71316994cca8145207f3dd0f0e41f1ed5

Threat Level: Known bad

The file Pc Fire.exe was found to be: Known bad.

Malicious Activity Summary

stormkitty persistence stealer

Stormkitty family

Contains code to disable Windows Defender

StormKitty

StormKitty payload

Looks up external IP address via web service

Adds Run key to start application

Unsigned PE

Modifies registry class

Suspicious use of SendNotifyMessage

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Checks SCSI registry key(s)

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-23 14:26

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: behavioral2

Detonation Overview

Submitted

2024-11-23 14:26

Reported

2024-11-23 14:29

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Pc Fire.exe"

Signatures

Contains code to disable Windows Defender

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

Stormkitty family

stormkitty

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvidiaDValueOn = "C:\\Users\\Admin\\AppData\\Local\\NVIDIA Local Drivers\\DriversUpdateProcess_x64.exe" C:\Users\Admin\AppData\Local\Temp\Pc Fire.exe N/A

Looks up external IP address via web service

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

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 C:\Windows\system32\taskmgr.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A C:\Windows\system32\taskmgr.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName C:\Windows\system32\taskmgr.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\system32\taskmgr.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\system32\taskmgr.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell C:\Windows\system32\taskmgr.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots C:\Windows\system32\taskmgr.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff C:\Windows\system32\taskmgr.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 C:\Windows\system32\taskmgr.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings C:\Windows\system32\taskmgr.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU C:\Windows\system32\taskmgr.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff C:\Windows\system32\taskmgr.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 C:\Windows\system32\taskmgr.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 C:\Windows\system32\taskmgr.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 C:\Windows\system32\taskmgr.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 C:\Windows\system32\taskmgr.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Pc Fire.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\taskmgr.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\taskmgr.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\system32\taskmgr.exe N/A
Token: 33 N/A C:\Windows\system32\taskmgr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\taskmgr.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Pc Fire.exe

"C:\Users\Admin\AppData\Local\Temp\Pc Fire.exe"

C:\Windows\system32\taskmgr.exe

"C:\Windows\system32\taskmgr.exe" /7

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
JP 132.226.8.169:80 checkip.dyndns.org tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 169.8.226.132.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 180.197.77.23.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/3176-0-0x00007FFB28113000-0x00007FFB28115000-memory.dmp

memory/3176-1-0x0000000000340000-0x0000000000358000-memory.dmp

memory/3176-2-0x00007FFB28110000-0x00007FFB28BD1000-memory.dmp

memory/3176-5-0x00007FFB28110000-0x00007FFB28BD1000-memory.dmp

memory/3852-6-0x000001743D370000-0x000001743D371000-memory.dmp

memory/3852-7-0x000001743D370000-0x000001743D371000-memory.dmp

memory/3852-8-0x000001743D370000-0x000001743D371000-memory.dmp

memory/3852-17-0x000001743D370000-0x000001743D371000-memory.dmp

memory/3852-18-0x000001743D370000-0x000001743D371000-memory.dmp

memory/3852-16-0x000001743D370000-0x000001743D371000-memory.dmp

memory/3852-15-0x000001743D370000-0x000001743D371000-memory.dmp

memory/3852-14-0x000001743D370000-0x000001743D371000-memory.dmp

memory/3852-12-0x000001743D370000-0x000001743D371000-memory.dmp

memory/3852-13-0x000001743D370000-0x000001743D371000-memory.dmp

C:\Users\Admin\AppData\Local\NVIDIA Local Drivers\DriversUpdateProcess_x64.exe

MD5 5869edd76793fdda010c3191d14a38af
SHA1 aacad694e1334c037e68db2201173a8347afff78
SHA256 9b1e17bfb91e74ba74e0b00fba0fa0c71316994cca8145207f3dd0f0e41f1ed5
SHA512 3a0cf7e4d6315ca2be833336f579d1d421d03dda2adcf5fc02ee8880bbb4251b8544528e5bc0c0598447dac49dd6dfb357f42b7bab55ecc792e6f82334091d82

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-23 14:26

Reported

2024-11-23 14:29

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Pc Fire.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

Stormkitty family

stormkitty

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\nvidiaDValueOn = "C:\\Users\\Admin\\AppData\\Local\\NVIDIA Local Drivers\\DriversUpdateProcess_x64.exe" C:\Users\Admin\AppData\Local\Temp\Pc Fire.exe N/A

Looks up external IP address via web service

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Pc Fire.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2480 wrote to memory of 2248 N/A C:\Users\Admin\AppData\Local\Temp\Pc Fire.exe C:\Windows\system32\WerFault.exe
PID 2480 wrote to memory of 2248 N/A C:\Users\Admin\AppData\Local\Temp\Pc Fire.exe C:\Windows\system32\WerFault.exe
PID 2480 wrote to memory of 2248 N/A C:\Users\Admin\AppData\Local\Temp\Pc Fire.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Pc Fire.exe

"C:\Users\Admin\AppData\Local\Temp\Pc Fire.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2480 -s 1056

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
JP 132.226.8.169:80 checkip.dyndns.org tcp

Files

memory/2480-0-0x000007FEF5EA3000-0x000007FEF5EA4000-memory.dmp

memory/2480-1-0x00000000008A0000-0x00000000008B8000-memory.dmp

memory/2480-2-0x000007FEF5EA0000-0x000007FEF688C000-memory.dmp

memory/2480-5-0x000007FEF5EA3000-0x000007FEF5EA4000-memory.dmp

memory/2480-6-0x000007FEF5EA0000-0x000007FEF688C000-memory.dmp