Analysis
- max time kernel
119s - max time network
120s - platform
windows11-21h2_x64 - resource
win11-20250502-en - resource tags
- submitted
10/06/2025, 08:51
General
- Target 1d99ccab2f2e70d66f2cdff40ed6fe6b638be63b9465fb2bb0790ad19c30e7d2.exe
- Size 893KB
- Sample250610-kr93casvbv
- SHA256 1d99ccab2f2e70d66f2cdff40ed6fe6b638be63b9465fb2bb0790ad19c30e7d2
Malware Config
Extracted
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vipkeylogger
Signatures
- 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.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- 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
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 10 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\1d99ccab2f2e70d66f2cdff40ed6fe6b638be63b9465fb2bb0790ad19c30e7d2.exe"C:\Users\Admin\AppData\Local\Temp\1d99ccab2f2e70d66f2cdff40ed6fe6b638be63b9465fb2bb0790ad19c30e7d2.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DwHfjzqrU.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DwHfjzqrU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC15C.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\1d99ccab2f2e70d66f2cdff40ed6fe6b638be63b9465fb2bb0790ad19c30e7d2.exe"C:\Users\Admin\AppData\Local\Temp\1d99ccab2f2e70d66f2cdff40ed6fe6b638be63b9465fb2bb0790ad19c30e7d2.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\1d99ccab2f2e70d66f2cdff40ed6fe6b638be63b9465fb2bb0790ad19c30e7d2.exe"C:\Users\Admin\AppData\Local\Temp\1d99ccab2f2e70d66f2cdff40ed6fe6b638be63b9465fb2bb0790ad19c30e7d2.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\1d99ccab2f2e70d66f2cdff40ed6fe6b638be63b9465fb2bb0790ad19c30e7d2.exe"C:\Users\Admin\AppData\Local\Temp\1d99ccab2f2e70d66f2cdff40ed6fe6b638be63b9465fb2bb0790ad19c30e7d2.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_54vbyc5t.lgk.ps1
tmpC15C.tmp
memory/236-10-0x00000000072C0000-0x000000000734E000-memory.dmp
memory/236-11-0x0000000007830000-0x00000000078CC000-memory.dmp
memory/236-4-0x0000000006570000-0x00000000068C7000-memory.dmp
memory/236-5-0x00000000744C0000-0x0000000074C71000-memory.dmp
memory/236-6-0x0000000005B90000-0x0000000005B9A000-memory.dmp
memory/236-7-0x0000000007140000-0x0000000007156000-memory.dmp
memory/236-8-0x00000000744CE000-0x00000000744CF000-memory.dmp
memory/236-9-0x00000000744C0000-0x0000000074C71000-memory.dmp
memory/236-2-0x0000000005FC0000-0x0000000006566000-memory.dmp
memory/236-3-0x0000000005AB0000-0x0000000005B42000-memory.dmp
memory/236-0-0x00000000744CE000-0x00000000744CF000-memory.dmp
memory/236-36-0x00000000744C0000-0x0000000074C71000-memory.dmp
memory/236-1-0x0000000000E50000-0x0000000000F36000-memory.dmp
memory/3344-64-0x0000000006F30000-0x00000000070F2000-memory.dmp
memory/3344-65-0x0000000006DD0000-0x0000000006E20000-memory.dmp
memory/3344-37-0x00000000744C0000-0x0000000074C71000-memory.dmp
memory/3344-22-0x0000000000400000-0x0000000000448000-memory.dmp
memory/3344-24-0x00000000744C0000-0x0000000074C71000-memory.dmp
memory/3344-66-0x00000000744C0000-0x0000000074C71000-memory.dmp
memory/4936-26-0x00000000051B0000-0x00000000051D2000-memory.dmp
memory/4936-52-0x00000000078D0000-0x0000000007F4A000-memory.dmp
memory/4936-32-0x0000000005A10000-0x0000000005A76000-memory.dmp
memory/4936-21-0x00000000744C0000-0x0000000074C71000-memory.dmp
memory/4936-20-0x00000000744C0000-0x0000000074C71000-memory.dmp
memory/4936-38-0x0000000005F30000-0x0000000005F4E000-memory.dmp
memory/4936-39-0x0000000005F60000-0x0000000005FAC000-memory.dmp
memory/4936-41-0x0000000074D70000-0x0000000074DBC000-memory.dmp
memory/4936-40-0x0000000006510000-0x0000000006544000-memory.dmp
memory/4936-50-0x0000000007130000-0x000000000714E000-memory.dmp
memory/4936-51-0x0000000007150000-0x00000000071F4000-memory.dmp
memory/4936-31-0x00000000059A0000-0x0000000005A06000-memory.dmp
memory/4936-53-0x0000000007290000-0x00000000072AA000-memory.dmp
memory/4936-54-0x0000000007310000-0x000000000731A000-memory.dmp
memory/4936-55-0x0000000007520000-0x00000000075B6000-memory.dmp
memory/4936-56-0x00000000074A0000-0x00000000074B1000-memory.dmp
memory/4936-57-0x00000000074D0000-0x00000000074DE000-memory.dmp
memory/4936-58-0x00000000074E0000-0x00000000074F5000-memory.dmp
memory/4936-59-0x00000000075E0000-0x00000000075FA000-memory.dmp
memory/4936-60-0x00000000075D0000-0x00000000075D8000-memory.dmp
memory/4936-63-0x00000000744C0000-0x0000000074C71000-memory.dmp
memory/4936-18-0x00000000744C0000-0x0000000074C71000-memory.dmp
memory/4936-17-0x00000000052C0000-0x00000000058EA000-memory.dmp
memory/4936-16-0x0000000002760000-0x0000000002796000-memory.dmp