Analysis
- max time kernel
123s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20250502-en - resource tags
- submitted
05/09/2025, 14:49
General
- Target ad188854da20c440975e7bf1bfc218c1917da6d7155c77b8c03fefc148ac1759.exe
- Size 638KB
- Sample250905-r63edack71
- SHA256 ad188854da20c440975e7bf1bfc218c1917da6d7155c77b8c03fefc148ac1759
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
mail.aayupublications.com
-
Port
587
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Username
-
Password
Aayu@2025@
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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 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Disables Task Manager via registry modification
- 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 5 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ad188854da20c440975e7bf1bfc218c1917da6d7155c77b8c03fefc148ac1759.exe"C:\Users\Admin\AppData\Local\Temp\ad188854da20c440975e7bf1bfc218c1917da6d7155c77b8c03fefc148ac1759.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
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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\Local\Temp\ad188854da20c440975e7bf1bfc218c1917da6d7155c77b8c03fefc148ac1759.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\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rxucPx.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\rxucPx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA50A.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\ad188854da20c440975e7bf1bfc218c1917da6d7155c77b8c03fefc148ac1759.exe"C:\Users\Admin\AppData\Local\Temp\ad188854da20c440975e7bf1bfc218c1917da6d7155c77b8c03fefc148ac1759.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
-
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Create or Modify System Process
1Windows Service
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
ad188854da20c440975e7bf1bfc218c1917da6d7155c77b8c03fefc148ac1759.exe.log
powershell.exe.log
__PSScriptPolicyTest_0tq0xrox.det.ps1
tmpA50A.tmp
memory/2840-3-0x0000000005430000-0x0000000005440000-memory.dmp
memory/2840-6-0x0000000005430000-0x0000000005440000-memory.dmp
memory/2840-7-0x0000000006C20000-0x0000000006CA4000-memory.dmp
memory/2840-8-0x0000000009010000-0x00000000090AC000-memory.dmp
memory/2840-5-0x0000000005530000-0x0000000005544000-memory.dmp
memory/2840-0-0x0000000000810000-0x00000000008B6000-memory.dmp
memory/2840-4-0x0000000005450000-0x000000000545A000-memory.dmp
memory/2840-2-0x00000000052A0000-0x0000000005332000-memory.dmp
memory/2840-1-0x0000000005850000-0x0000000005DF4000-memory.dmp
memory/3576-74-0x00000000075F0000-0x0000000007601000-memory.dmp
memory/3576-21-0x00000000050A0000-0x0000000005106000-memory.dmp
memory/3576-22-0x0000000005110000-0x0000000005176000-memory.dmp
memory/3576-71-0x00000000073F0000-0x000000000740A000-memory.dmp
memory/3576-20-0x0000000005000000-0x0000000005022000-memory.dmp
memory/3576-17-0x0000000002880000-0x0000000002890000-memory.dmp
memory/3576-39-0x0000000005AE0000-0x0000000005E34000-memory.dmp
memory/3576-72-0x0000000007460000-0x000000000746A000-memory.dmp
memory/3576-18-0x0000000002880000-0x0000000002890000-memory.dmp
memory/3576-45-0x00000000060C0000-0x00000000060DE000-memory.dmp
memory/3576-46-0x0000000006170000-0x00000000061BC000-memory.dmp
memory/3576-48-0x0000000070F60000-0x0000000070FAC000-memory.dmp
memory/3576-47-0x00000000066A0000-0x00000000066D2000-memory.dmp
memory/3576-58-0x0000000007290000-0x00000000072AE000-memory.dmp
memory/3664-14-0x0000000004F50000-0x0000000004F60000-memory.dmp
memory/3664-78-0x00000000077F0000-0x00000000077F8000-memory.dmp
memory/3664-70-0x0000000007B20000-0x000000000819A000-memory.dmp
memory/3664-59-0x0000000070F60000-0x0000000070FAC000-memory.dmp
memory/3664-13-0x00000000028B0000-0x00000000028E6000-memory.dmp
memory/3664-73-0x0000000007750000-0x00000000077E6000-memory.dmp
memory/3664-16-0x0000000005590000-0x0000000005BB8000-memory.dmp
memory/3664-75-0x0000000007700000-0x000000000770E000-memory.dmp
memory/3664-76-0x0000000007710000-0x0000000007724000-memory.dmp
memory/3664-77-0x0000000007810000-0x000000000782A000-memory.dmp
memory/3664-69-0x00000000073A0000-0x0000000007443000-memory.dmp
memory/3664-15-0x0000000004F50000-0x0000000004F60000-memory.dmp
memory/6068-42-0x0000000000400000-0x000000000043E000-memory.dmp
memory/6068-84-0x0000000006E90000-0x0000000007052000-memory.dmp