Analysis
- max time kernel
124s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20250502-en - resource tags
- submitted
10/06/2025, 08:51
General
- Target 1d99ccab2f2e70d66f2cdff40ed6fe6b638be63b9465fb2bb0790ad19c30e7d2.exe
- Size 893KB
- Sample250610-kr93casvbv
- SHA256 1d99ccab2f2e70d66f2cdff40ed6fe6b638be63b9465fb2bb0790ad19c30e7d2
Malware Config
Extracted
-
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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1d99ccab2f2e70d66f2cdff40ed6fe6b638be63b9465fb2bb0790ad19c30e7d2.exe"C:\Users\Admin\AppData\Local\Temp\1d99ccab2f2e70d66f2cdff40ed6fe6b638be63b9465fb2bb0790ad19c30e7d2.exe"1⤵
- Checks computer location settings
- 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\Roaming\DwHfjzqrU.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DwHfjzqrU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD2C1.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
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
-
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
1d99ccab2f2e70d66f2cdff40ed6fe6b638be63b9465fb2bb0790ad19c30e7d2.exe.log
__PSScriptPolicyTest_q5qgjetg.q0i.ps1
tmpD2C1.tmp
memory/2420-43-0x0000000007000000-0x0000000007032000-memory.dmp
memory/2420-57-0x0000000007390000-0x00000000073AA000-memory.dmp
memory/2420-67-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/2420-64-0x00000000076B0000-0x00000000076B8000-memory.dmp
memory/2420-63-0x00000000076D0000-0x00000000076EA000-memory.dmp
memory/2420-61-0x00000000075C0000-0x00000000075CE000-memory.dmp
memory/2420-62-0x00000000075D0000-0x00000000075E4000-memory.dmp
memory/2420-60-0x0000000007590000-0x00000000075A1000-memory.dmp
memory/2420-59-0x0000000007610000-0x00000000076A6000-memory.dmp
memory/2420-16-0x00000000027A0000-0x00000000027D6000-memory.dmp
memory/2420-58-0x0000000007400000-0x000000000740A000-memory.dmp
memory/2420-18-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/2420-19-0x00000000051E0000-0x0000000005808000-memory.dmp
memory/2420-20-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/2420-56-0x00000000079D0000-0x000000000804A000-memory.dmp
memory/2420-27-0x00000000050A0000-0x00000000050C2000-memory.dmp
memory/2420-23-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/2420-54-0x0000000006630000-0x000000000664E000-memory.dmp
memory/2420-55-0x0000000007250000-0x00000000072F3000-memory.dmp
memory/2420-44-0x00000000705F0000-0x000000007063C000-memory.dmp
memory/2420-40-0x0000000005B80000-0x0000000005ED4000-memory.dmp
memory/2420-42-0x0000000006090000-0x00000000060DC000-memory.dmp
memory/2420-34-0x00000000058F0000-0x0000000005956000-memory.dmp
memory/2420-41-0x0000000006050000-0x000000000606E000-memory.dmp
memory/2420-33-0x0000000005810000-0x0000000005876000-memory.dmp
memory/2444-2-0x0000000005F80000-0x0000000006524000-memory.dmp
memory/2444-4-0x0000000005A60000-0x0000000005DB4000-memory.dmp
memory/2444-1-0x0000000000E00000-0x0000000000EE6000-memory.dmp
memory/2444-25-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/2444-5-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/2444-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp
memory/2444-7-0x0000000007120000-0x0000000007136000-memory.dmp
memory/2444-3-0x00000000058C0000-0x0000000005952000-memory.dmp
memory/2444-6-0x0000000005EE0000-0x0000000005EEA000-memory.dmp
memory/2444-9-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/2444-10-0x00000000072A0000-0x000000000732E000-memory.dmp
memory/2444-11-0x0000000007520000-0x00000000075BC000-memory.dmp
memory/2444-8-0x0000000074BCE000-0x0000000074BCF000-memory.dmp
memory/4956-26-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/4956-39-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/4956-21-0x0000000000400000-0x0000000000448000-memory.dmp
memory/4956-68-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/4956-69-0x0000000006F50000-0x0000000007112000-memory.dmp
memory/4956-70-0x0000000006DD0000-0x0000000006E20000-memory.dmp