Analysis
- max time kernel
149s - max time network
139s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
05/02/2026, 15:25
General
- Target 98d3d28d8ed5c914a3be450d61d663cd23c46f56fc733b5f5c3d8cb82d87ecdc.exe
- Size 959KB
- Sample260205-stwlqsas8b
- SHA256 98d3d28d8ed5c914a3be450d61d663cd23c46f56fc733b5f5c3d8cb82d87ecdc
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.impiana.com
-
Port
587
-
Username
-
Password
qR$3BTk%IN6*
Extracted
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vipkeylogger
-
Protocol
smtp
-
Host
mail.impiana.com
-
Port
587
-
Username
-
Password
qR$3BTk%IN6*
-
Email to
Signatures
- Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Vipkeylogger family
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Drops startup file 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 9 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\98d3d28d8ed5c914a3be450d61d663cd23c46f56fc733b5f5c3d8cb82d87ecdc.exe"C:\Users\Admin\AppData\Local\Temp\98d3d28d8ed5c914a3be450d61d663cd23c46f56fc733b5f5c3d8cb82d87ecdc.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\98d3d28d8ed5c914a3be450d61d663cd23c46f56fc733b5f5c3d8cb82d87ecdc.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
__PSScriptPolicyTest_5u1klmry.dmw.ps1
memory/1060-1-0x00000000054C0000-0x0000000005A66000-memory.dmp
memory/1060-2-0x0000000004F10000-0x0000000004FA2000-memory.dmp
memory/1060-3-0x0000000005180000-0x0000000005190000-memory.dmp
memory/1060-4-0x0000000004E80000-0x0000000004E8A000-memory.dmp
memory/1060-5-0x00000000052C0000-0x00000000052D6000-memory.dmp
memory/1060-6-0x0000000005180000-0x0000000005190000-memory.dmp
memory/1060-7-0x0000000006270000-0x000000000634A000-memory.dmp
memory/1060-8-0x00000000063F0000-0x000000000648C000-memory.dmp
memory/1060-0-0x00000000002E0000-0x00000000003D2000-memory.dmp
memory/2816-52-0x0000000007500000-0x000000000750A000-memory.dmp
memory/2816-48-0x0000000006740000-0x000000000675E000-memory.dmp
memory/2816-18-0x0000000005350000-0x000000000597A000-memory.dmp
memory/2816-17-0x0000000004D10000-0x0000000004D20000-memory.dmp
memory/2816-58-0x00000000077D0000-0x00000000077D8000-memory.dmp
memory/2816-20-0x0000000005AE0000-0x0000000005B02000-memory.dmp
memory/2816-21-0x0000000005B80000-0x0000000005BE6000-memory.dmp
memory/2816-15-0x0000000004CB0000-0x0000000004CE6000-memory.dmp
memory/2816-27-0x0000000005BF0000-0x0000000005C56000-memory.dmp
memory/2816-29-0x0000000005C60000-0x0000000005FB7000-memory.dmp
memory/2816-57-0x00000000077F0000-0x000000000780A000-memory.dmp
memory/2816-37-0x0000000006140000-0x000000000615E000-memory.dmp
memory/2816-38-0x0000000006190000-0x00000000061DC000-memory.dmp
memory/2816-56-0x00000000076E0000-0x00000000076F5000-memory.dmp
memory/2816-40-0x0000000006760000-0x0000000006794000-memory.dmp
memory/2816-55-0x00000000076D0000-0x00000000076DE000-memory.dmp
memory/2816-41-0x00000000707F0000-0x000000007083C000-memory.dmp
memory/2816-49-0x0000000007360000-0x0000000007404000-memory.dmp
memory/2816-50-0x0000000007AE0000-0x000000000815A000-memory.dmp
memory/2816-51-0x0000000007490000-0x00000000074AA000-memory.dmp
memory/2816-13-0x0000000004D10000-0x0000000004D20000-memory.dmp
memory/2816-53-0x0000000007730000-0x00000000077C6000-memory.dmp
memory/2816-54-0x00000000076A0000-0x00000000076B1000-memory.dmp
memory/4032-14-0x0000000000400000-0x0000000000448000-memory.dmp
memory/4032-19-0x0000000005000000-0x0000000005010000-memory.dmp
memory/4032-61-0x00000000062E0000-0x00000000064A2000-memory.dmp
memory/4032-62-0x0000000006110000-0x0000000006160000-memory.dmp
memory/4032-63-0x00000000069E0000-0x0000000006F0C000-memory.dmp
memory/4624-39-0x000001BBF9D50000-0x000001BBF9D96000-memory.dmp
memory/4624-36-0x000001BBF7890000-0x000001BBF78B2000-memory.dmp