Analysis
- max time kernel
131s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
09/11/2024, 02:18
General
- Target 20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.exe
- Size 981KB
- Sample241109-crb7bavfqa
- SHA256 20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
mail.vinatax.us
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Port
587
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Username
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Password
vinatax@2022
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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 1 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 16 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\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.exe"C:\Users\Admin\AppData\Local\Temp\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.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\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.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\VbOcmCITQ.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\VbOcmCITQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1577.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.exe"C:\Users\Admin\AppData\Local\Temp\20b22e21664030bcbea413d2c054f99f62956cf9feedc6148fe34870ce124f79.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
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_f1w5rg2i.xvg.ps1
tmp1577.tmp
memory/3292-77-0x00000000077D0000-0x00000000077DA000-memory.dmp
memory/3292-78-0x00000000079E0000-0x0000000007A76000-memory.dmp
memory/3292-90-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/3292-83-0x0000000007A80000-0x0000000007A88000-memory.dmp
memory/3292-50-0x0000000006420000-0x000000000643E000-memory.dmp
memory/3292-81-0x00000000079A0000-0x00000000079B4000-memory.dmp
memory/3292-47-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/3292-76-0x0000000007760000-0x000000000777A000-memory.dmp
memory/3292-16-0x0000000002B60000-0x0000000002B96000-memory.dmp
memory/3292-17-0x0000000005730000-0x0000000005D58000-memory.dmp
memory/3292-18-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/3292-19-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/3292-52-0x0000000007600000-0x0000000007632000-memory.dmp
memory/3292-22-0x0000000005D60000-0x0000000005DC6000-memory.dmp
memory/3292-21-0x0000000005570000-0x0000000005592000-memory.dmp
memory/3292-74-0x0000000007640000-0x00000000076E3000-memory.dmp
memory/3292-73-0x00000000069F0000-0x0000000006A0E000-memory.dmp
memory/3292-53-0x0000000070C20000-0x0000000070C6C000-memory.dmp
memory/3292-30-0x0000000005E40000-0x0000000006194000-memory.dmp
memory/3292-51-0x0000000006980000-0x00000000069CC000-memory.dmp
memory/3292-82-0x0000000007AA0000-0x0000000007ABA000-memory.dmp
memory/3292-23-0x0000000005DD0000-0x0000000005E36000-memory.dmp
memory/3728-79-0x0000000007C80000-0x0000000007C91000-memory.dmp
memory/3728-32-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/3728-31-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/3728-54-0x0000000070C20000-0x0000000070C6C000-memory.dmp
memory/3728-29-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/3728-89-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/3728-80-0x0000000007CB0000-0x0000000007CBE000-memory.dmp
memory/3728-75-0x00000000080D0000-0x000000000874A000-memory.dmp
memory/3808-38-0x0000000000400000-0x0000000000448000-memory.dmp
memory/3808-92-0x0000000006AC0000-0x0000000006B10000-memory.dmp
memory/3808-91-0x0000000006C30000-0x0000000006DF2000-memory.dmp
memory/4784-2-0x0000000005EF0000-0x0000000006494000-memory.dmp
memory/4784-5-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/4784-0-0x000000007465E000-0x000000007465F000-memory.dmp
memory/4784-11-0x000000000E9A0000-0x000000000EA3C000-memory.dmp
memory/4784-9-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/4784-8-0x000000007465E000-0x000000007465F000-memory.dmp
memory/4784-7-0x0000000005EB0000-0x0000000005ECE000-memory.dmp
memory/4784-6-0x0000000006EF0000-0x0000000006FB0000-memory.dmp
memory/4784-4-0x00000000059C0000-0x00000000059CA000-memory.dmp
memory/4784-10-0x0000000005310000-0x000000000539C000-memory.dmp
memory/4784-1-0x0000000000EC0000-0x0000000000FB8000-memory.dmp
memory/4784-49-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/4784-3-0x00000000059E0000-0x0000000005A72000-memory.dmp