Analysis
- max time kernel
125s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
02/10/2024, 01:31
General
- Target b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe
- Size 751KB
- Sample241002-bxq2zsthpg
- SHA256 b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310
Malware Config
Extracted
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vipkeylogger
-
Protocol
smtp
-
Host
mail.pymetal.net
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Port
587
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Username
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Password
21hnosgomezrecambios2021
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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.
- 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 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\b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe"C:\Users\Admin\AppData\Local\Temp\b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.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\b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.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\AcEnrS.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\AcEnrS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4784.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe"C:\Users\Admin\AppData\Local\Temp\b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.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_q4zwai53.dq3.ps1
tmp4784.tmp
memory/748-21-0x00000000056B0000-0x00000000056D2000-memory.dmp
memory/748-75-0x0000000007810000-0x000000000781A000-memory.dmp
memory/748-87-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/748-81-0x0000000007AC0000-0x0000000007AC8000-memory.dmp
memory/748-80-0x0000000007AE0000-0x0000000007AFA000-memory.dmp
memory/748-77-0x00000000079A0000-0x00000000079B1000-memory.dmp
memory/748-76-0x0000000007A20000-0x0000000007AB6000-memory.dmp
memory/748-15-0x0000000002B50000-0x0000000002B86000-memory.dmp
memory/748-16-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/748-17-0x0000000005770000-0x0000000005D98000-memory.dmp
memory/748-18-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/748-19-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/748-73-0x0000000007E10000-0x000000000848A000-memory.dmp
memory/748-74-0x00000000077B0000-0x00000000077CA000-memory.dmp
memory/748-72-0x00000000074E0000-0x0000000007583000-memory.dmp
memory/748-31-0x0000000005E80000-0x00000000061D4000-memory.dmp
memory/748-61-0x000000006F910000-0x000000006F95C000-memory.dmp
memory/748-23-0x0000000005E10000-0x0000000005E76000-memory.dmp
memory/748-47-0x0000000006470000-0x000000000648E000-memory.dmp
memory/748-22-0x0000000005DA0000-0x0000000005E06000-memory.dmp
memory/748-48-0x0000000006A10000-0x0000000006A5C000-memory.dmp
memory/2812-3-0x0000000004DD0000-0x0000000004E62000-memory.dmp
memory/2812-7-0x0000000074A9E000-0x0000000074A9F000-memory.dmp
memory/2812-49-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/2812-6-0x00000000050D0000-0x00000000050EE000-memory.dmp
memory/2812-1-0x0000000000300000-0x00000000003C2000-memory.dmp
memory/2812-0-0x0000000074A9E000-0x0000000074A9F000-memory.dmp
memory/2812-2-0x0000000005470000-0x0000000005A14000-memory.dmp
memory/2812-9-0x0000000002620000-0x00000000026AC000-memory.dmp
memory/2812-8-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/2812-5-0x0000000004DC0000-0x0000000004DCA000-memory.dmp
memory/2812-10-0x000000000BDB0000-0x000000000BE4C000-memory.dmp
memory/2812-4-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/4036-45-0x0000000000400000-0x000000000044A000-memory.dmp
memory/4036-89-0x0000000006E30000-0x0000000006FF2000-memory.dmp
memory/4036-90-0x0000000006CC0000-0x0000000006D10000-memory.dmp
memory/4504-51-0x000000006F910000-0x000000006F95C000-memory.dmp
memory/4504-78-0x00000000073A0000-0x00000000073AE000-memory.dmp
memory/4504-79-0x00000000073B0000-0x00000000073C4000-memory.dmp
memory/4504-20-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/4504-30-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/4504-62-0x0000000007020000-0x000000000703E000-memory.dmp
memory/4504-50-0x0000000006FC0000-0x0000000006FF2000-memory.dmp
memory/4504-88-0x0000000074A90000-0x0000000075240000-memory.dmp