Analysis
- max time kernel
149s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
10/09/2026, 14:22
General
- Target b4a3fbc0f286f44bd854033fc15abebe2206344cc930ff715ae115047d963a09.exe
- Size 1.2MB
- Sample260910-rpnvnavcqa
- SHA256 b4a3fbc0f286f44bd854033fc15abebe2206344cc930ff715ae115047d963a09
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Executes dropped EXE 2 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 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- SmartAssembly .NET packer 2 IoCs
Detects SmartAssembly .NET packer.
- Suspicious use of SetThreadContext 2 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 4 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b4a3fbc0f286f44bd854033fc15abebe2206344cc930ff715ae115047d963a09.exe"C:\Users\Admin\AppData\Local\Temp\b4a3fbc0f286f44bd854033fc15abebe2206344cc930ff715ae115047d963a09.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\b4a3fbc0f286f44bd854033fc15abebe2206344cc930ff715ae115047d963a09.exe"C:\Users\Admin\AppData\Local\Temp\b4a3fbc0f286f44bd854033fc15abebe2206344cc930ff715ae115047d963a09.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
-
-
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$22vniz=[System.Environment]::TickCount;$rjyb1i=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$2pj1cg=$env:COMPUTERNAME;$nbcvri=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXElpLmV4ZQ==')));$2pj1cg=$env:COMPUTERNAME;& $rjyb1i -FilePath $nbcvri"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Ii.exe"C:\Users\Admin\AppData\Roaming\Ii.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Ii.exe"C:\Users\Admin\AppData\Roaming\Ii.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
Ii.exe
memory/2372-33-0x0000000074570000-0x0000000074D2C000-memory.dmp
memory/2372-36-0x0000000006D80000-0x0000000006F42000-memory.dmp
memory/2372-37-0x0000000006C40000-0x0000000006CB6000-memory.dmp
memory/2372-38-0x0000000006D10000-0x0000000006D60000-memory.dmp
memory/2372-14-0x00000000036F0000-0x0000000003756000-memory.dmp
memory/2372-13-0x0000000074570000-0x0000000074D2C000-memory.dmp
memory/2372-12-0x0000000074570000-0x0000000074D2C000-memory.dmp
memory/2372-11-0x0000000000400000-0x000000000046A000-memory.dmp
memory/4864-10-0x0000000007AB0000-0x0000000007BB8000-memory.dmp
memory/4864-9-0x0000000007A10000-0x0000000007AAC000-memory.dmp
memory/4864-8-0x0000000074570000-0x0000000074D2C000-memory.dmp
memory/4864-7-0x0000000074582000-0x0000000074583000-memory.dmp
memory/4864-6-0x00000000052F0000-0x0000000005304000-memory.dmp
memory/4864-5-0x00000000050A0000-0x00000000050AA000-memory.dmp
memory/4864-15-0x0000000074570000-0x0000000074D2C000-memory.dmp
memory/4864-0-0x0000000074582000-0x0000000074583000-memory.dmp
memory/4864-4-0x0000000074570000-0x0000000074D2C000-memory.dmp
memory/4864-3-0x0000000004FF0000-0x0000000005082000-memory.dmp
memory/4864-2-0x00000000055B0000-0x0000000005B6A000-memory.dmp
memory/4864-1-0x00000000003B0000-0x00000000004DE000-memory.dmp
memory/5200-16-0x00007FFF9ED3F000-0x00007FFF9ED40000-memory.dmp
memory/5200-25-0x00007FFF9EBB0000-0x00007FFF9F554000-memory.dmp
memory/5200-24-0x00007FFF9EBB0000-0x00007FFF9F554000-memory.dmp
memory/5200-26-0x00007FFF9EBB0000-0x00007FFF9F554000-memory.dmp
memory/5200-27-0x00007FFF9EBB0000-0x00007FFF9F554000-memory.dmp
memory/5200-23-0x00007FFF9EBB0000-0x00007FFF9F554000-memory.dmp
memory/5200-31-0x00007FFF9EBB0000-0x00007FFF9F554000-memory.dmp
memory/5200-30-0x00007FFF9EBB0000-0x00007FFF9F554000-memory.dmp
memory/5200-22-0x00007FFF9EBB0000-0x00007FFF9F554000-memory.dmp
memory/5200-21-0x00007FFF9EBB0000-0x00007FFF9F554000-memory.dmp
memory/5200-20-0x0000026348E80000-0x0000026348EA2000-memory.dmp
memory/5200-19-0x00007FFF9EBB0000-0x00007FFF9F554000-memory.dmp
memory/6124-32-0x0000000005C50000-0x0000000005C64000-memory.dmp