Analysis
- max time kernel
148s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
30/07/2026, 00:58
General
- Target Stub.exe
- Size 421KB
- Sample260730-bbrrdswdmb
- SHA256 184d8005b6ad5eee22a0499fdabb82c5ad46a6bbe92e2fad605e584be60d7a55
Malware Config
Signatures
- Family: StormKitty
StormKitty is an open source info stealer written in C#.
- StormKitty payload 1 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops desktop.ini file(s) 4 IoCs
- Looks up external IP address via web service 1 TTPs 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 37 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Stub.exe"C:\Users\Admin\AppData\Local\Temp\Stub.exe"1⤵
- Accesses Microsoft Outlook profiles
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 15962⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 240 -p 628 -ip 6281⤵
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
Process.txt
memory/628-0-0x00000000747C2000-0x00000000747C3000-memory.dmp
memory/628-1-0x0000000000DB0000-0x0000000000E20000-memory.dmp
memory/628-2-0x00000000747B0000-0x0000000074F6C000-memory.dmp
memory/628-3-0x00000000058E0000-0x0000000005946000-memory.dmp
memory/628-6-0x0000000006300000-0x0000000006392000-memory.dmp
memory/628-7-0x0000000006C80000-0x000000000723A000-memory.dmp
memory/628-43-0x00000000747C2000-0x00000000747C3000-memory.dmp
memory/628-46-0x00000000747B0000-0x0000000074F6C000-memory.dmp
memory/628-100-0x00000000747B0000-0x0000000074F6C000-memory.dmp