Analysis
- max time kernel
140s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20250129-en - resource tags
- submitted
07/02/2025, 14:32
General
- Target cf8609a0bf3ca9ed3e5e39abab534229213e4df0316cd0478032cf59e0f2f3dd.exe
- Size 891KB
- Sample250207-rwf4dsvjfv
- SHA256 cf8609a0bf3ca9ed3e5e39abab534229213e4df0316cd0478032cf59e0f2f3dd
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
mail.htcp.homes
-
Port
587
-
Username
-
Password
7213575aceACE@@
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Email to
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 2 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 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 11 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\cf8609a0bf3ca9ed3e5e39abab534229213e4df0316cd0478032cf59e0f2f3dd.exe"C:\Users\Admin\AppData\Local\Temp\cf8609a0bf3ca9ed3e5e39abab534229213e4df0316cd0478032cf59e0f2f3dd.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\Local\Temp\cf8609a0bf3ca9ed3e5e39abab534229213e4df0316cd0478032cf59e0f2f3dd.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aVFEElmOU.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\aVFEElmOU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEEE4.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\cf8609a0bf3ca9ed3e5e39abab534229213e4df0316cd0478032cf59e0f2f3dd.exe"C:\Users\Admin\AppData\Local\Temp\cf8609a0bf3ca9ed3e5e39abab534229213e4df0316cd0478032cf59e0f2f3dd.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 v15
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
cf8609a0bf3ca9ed3e5e39abab534229213e4df0316cd0478032cf59e0f2f3dd.exe.log
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_p4brcmai.d2n.ps1
tmpEEE4.tmp
memory/1824-35-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/1824-36-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/1824-37-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/1824-65-0x000000006EEE0000-0x000000006EF2C000-memory.dmp
memory/1824-85-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/2184-5-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/2184-91-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/2184-0-0x000000007469E000-0x000000007469F000-memory.dmp
memory/2184-10-0x0000000005330000-0x00000000053BE000-memory.dmp
memory/2184-9-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/2184-8-0x000000007469E000-0x000000007469F000-memory.dmp
memory/2184-7-0x0000000005DA0000-0x0000000005DBE000-memory.dmp
memory/2184-6-0x0000000005CA0000-0x0000000005D3C000-memory.dmp
memory/2184-34-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/2184-4-0x0000000005B50000-0x0000000005B5A000-memory.dmp
memory/2184-3-0x00000000059B0000-0x0000000005A42000-memory.dmp
memory/2184-2-0x0000000005E80000-0x0000000006424000-memory.dmp
memory/2184-1-0x0000000000EE0000-0x0000000000FC6000-memory.dmp
memory/3456-12-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/3456-16-0x0000000005920000-0x0000000005942000-memory.dmp
memory/3456-29-0x0000000006740000-0x000000000675E000-memory.dmp
memory/3456-24-0x0000000006120000-0x0000000006474000-memory.dmp
memory/3456-47-0x00000000078F0000-0x0000000007922000-memory.dmp
memory/3456-48-0x000000006EEE0000-0x000000006EF2C000-memory.dmp
memory/3456-59-0x0000000007930000-0x00000000079D3000-memory.dmp
memory/3456-58-0x0000000006D10000-0x0000000006D2E000-memory.dmp
memory/3456-60-0x00000000080D0000-0x000000000874A000-memory.dmp
memory/3456-61-0x0000000007A90000-0x0000000007AAA000-memory.dmp
memory/3456-62-0x0000000007B00000-0x0000000007B0A000-memory.dmp
memory/3456-63-0x0000000007D10000-0x0000000007DA6000-memory.dmp
memory/3456-64-0x0000000007C90000-0x0000000007CA1000-memory.dmp
memory/3456-30-0x0000000006770000-0x00000000067BC000-memory.dmp
memory/3456-75-0x0000000007CC0000-0x0000000007CCE000-memory.dmp
memory/3456-76-0x0000000007CD0000-0x0000000007CE4000-memory.dmp
memory/3456-77-0x0000000007DD0000-0x0000000007DEA000-memory.dmp
memory/3456-78-0x0000000007DB0000-0x0000000007DB8000-memory.dmp
memory/3456-18-0x00000000060B0000-0x0000000006116000-memory.dmp
memory/3456-17-0x0000000006040000-0x00000000060A6000-memory.dmp
memory/3456-84-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/3456-15-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/3456-14-0x00000000059A0000-0x0000000005FC8000-memory.dmp
memory/3456-11-0x0000000002DB0000-0x0000000002DE6000-memory.dmp
memory/3456-13-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/4932-88-0x0000000000400000-0x0000000000448000-memory.dmp
memory/4932-92-0x0000000006940000-0x0000000006B02000-memory.dmp
memory/4932-93-0x00000000067C0000-0x0000000006810000-memory.dmp