Analysis
- max time kernel
135s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
06/11/2024, 03:20
General
- Target a6a945cecbb8a65a0be02de5dce49c49c8dfa0f1beb1dfdf851552eb17ee1570.exe
- Size 811KB
- Sample241106-dv86wstemc
- SHA256 a6a945cecbb8a65a0be02de5dce49c49c8dfa0f1beb1dfdf851552eb17ee1570
Malware Config
Extracted
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vipkeylogger
-
Protocol
smtp
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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 17 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a6a945cecbb8a65a0be02de5dce49c49c8dfa0f1beb1dfdf851552eb17ee1570.exe"C:\Users\Admin\AppData\Local\Temp\a6a945cecbb8a65a0be02de5dce49c49c8dfa0f1beb1dfdf851552eb17ee1570.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\a6a945cecbb8a65a0be02de5dce49c49c8dfa0f1beb1dfdf851552eb17ee1570.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\QdIobSRLBavW.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\QdIobSRLBavW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC61F.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\a6a945cecbb8a65a0be02de5dce49c49c8dfa0f1beb1dfdf851552eb17ee1570.exe"C:\Users\Admin\AppData\Local\Temp\a6a945cecbb8a65a0be02de5dce49c49c8dfa0f1beb1dfdf851552eb17ee1570.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 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_nfwg5e5e.ulg.ps1
tmpC61F.tmp
memory/220-8-0x0000000074C9E000-0x0000000074C9F000-memory.dmp
memory/220-2-0x0000000005220000-0x00000000057C4000-memory.dmp
memory/220-6-0x0000000005030000-0x00000000050CC000-memory.dmp
memory/220-7-0x0000000004FE0000-0x0000000004FFC000-memory.dmp
memory/220-48-0x0000000074C90000-0x0000000075440000-memory.dmp
memory/220-9-0x0000000074C90000-0x0000000075440000-memory.dmp
memory/220-10-0x0000000000E00000-0x0000000000E8C000-memory.dmp
memory/220-1-0x0000000000240000-0x000000000030E000-memory.dmp
memory/220-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp
memory/220-4-0x0000000074C90000-0x0000000075440000-memory.dmp
memory/220-3-0x0000000004D10000-0x0000000004DA2000-memory.dmp
memory/220-5-0x0000000004CE0000-0x0000000004CEA000-memory.dmp
memory/2592-22-0x0000000074C90000-0x0000000075440000-memory.dmp
memory/2592-75-0x0000000007420000-0x000000000743A000-memory.dmp
memory/2592-20-0x0000000074C90000-0x0000000075440000-memory.dmp
memory/2592-82-0x0000000007740000-0x0000000007748000-memory.dmp
memory/2592-81-0x0000000007760000-0x000000000777A000-memory.dmp
memory/2592-31-0x0000000005AC0000-0x0000000005B26000-memory.dmp
memory/2592-80-0x0000000007660000-0x0000000007674000-memory.dmp
memory/2592-79-0x0000000007650000-0x000000000765E000-memory.dmp
memory/2592-89-0x0000000074C90000-0x0000000075440000-memory.dmp
memory/2592-21-0x0000000074C90000-0x0000000075440000-memory.dmp
memory/2592-25-0x0000000005A50000-0x0000000005AB6000-memory.dmp
memory/2592-49-0x0000000006100000-0x000000000611E000-memory.dmp
memory/2592-50-0x0000000006190000-0x00000000061DC000-memory.dmp
memory/2592-52-0x0000000071470000-0x00000000714BC000-memory.dmp
memory/2592-62-0x0000000007070000-0x000000000708E000-memory.dmp
memory/2592-78-0x0000000007620000-0x0000000007631000-memory.dmp
memory/2592-73-0x00000000070F0000-0x0000000007193000-memory.dmp
memory/2592-51-0x00000000070B0000-0x00000000070E2000-memory.dmp
memory/2592-74-0x0000000007A60000-0x00000000080DA000-memory.dmp
memory/4320-16-0x0000000074C90000-0x0000000075440000-memory.dmp
memory/4320-15-0x0000000002940000-0x0000000002976000-memory.dmp
memory/4320-77-0x0000000007820000-0x00000000078B6000-memory.dmp
memory/4320-63-0x0000000071470000-0x00000000714BC000-memory.dmp
memory/4320-88-0x0000000074C90000-0x0000000075440000-memory.dmp
memory/4320-43-0x0000000005E40000-0x0000000006194000-memory.dmp
memory/4320-24-0x00000000053B0000-0x00000000053D2000-memory.dmp
memory/4320-19-0x0000000074C90000-0x0000000075440000-memory.dmp
memory/4320-18-0x0000000074C90000-0x0000000075440000-memory.dmp
memory/4320-17-0x0000000005500000-0x0000000005B28000-memory.dmp
memory/4320-76-0x0000000007610000-0x000000000761A000-memory.dmp
memory/4548-41-0x0000000000400000-0x0000000000448000-memory.dmp
memory/4548-90-0x0000000006AF0000-0x0000000006CB2000-memory.dmp
memory/4548-91-0x0000000006970000-0x00000000069C0000-memory.dmp