Analysis
- max time kernel
94s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
24/09/2024, 23:59
General
- Target r8x1WvSkbWSUjXh6.exe
- Size 866KB
- Sample240924-31p3mswbrb
- SHA256 c8791fedcdf980a4ac1547529ebeee841fe074b274df52cfeb0fe8aad338c0dd
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.ionos.es
-
Port
587
-
Username
-
Password
Lmsv26061965@
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
smtp.ionos.es
-
Port
587
-
Username
-
Password
Lmsv26061965@
-
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\r8x1WvSkbWSUjXh6.exe"C:\Users\Admin\AppData\Local\Temp\r8x1WvSkbWSUjXh6.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\r8x1WvSkbWSUjXh6.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\WZFWQhYQZ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WZFWQhYQZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF433.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\r8x1WvSkbWSUjXh6.exe"C:\Users\Admin\AppData\Local\Temp\r8x1WvSkbWSUjXh6.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_xzkrj2mg.bon.ps1
tmpF433.tmp
memory/1168-92-0x0000000007030000-0x000000000755C000-memory.dmp
memory/1168-91-0x00000000067B0000-0x0000000006800000-memory.dmp
memory/1168-90-0x0000000006930000-0x0000000006AF2000-memory.dmp
memory/1168-37-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2108-24-0x0000000005700000-0x0000000005766000-memory.dmp
memory/2108-51-0x0000000006E50000-0x0000000006E82000-memory.dmp
memory/2108-89-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/2108-15-0x00000000048C0000-0x00000000048F6000-memory.dmp
memory/2108-16-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/2108-17-0x0000000004F80000-0x00000000055A8000-memory.dmp
memory/2108-18-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/2108-19-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/2108-82-0x00000000074F0000-0x00000000074F8000-memory.dmp
memory/2108-80-0x0000000007410000-0x0000000007424000-memory.dmp
memory/2108-78-0x00000000073D0000-0x00000000073E1000-memory.dmp
memory/2108-25-0x0000000005820000-0x0000000005886000-memory.dmp
memory/2108-35-0x0000000005990000-0x0000000005CE4000-memory.dmp
memory/2108-77-0x0000000007450000-0x00000000074E6000-memory.dmp
memory/2108-76-0x0000000007240000-0x000000000724A000-memory.dmp
memory/2108-74-0x0000000007810000-0x0000000007E8A000-memory.dmp
memory/2108-23-0x00000000055E0000-0x0000000005602000-memory.dmp
memory/2108-52-0x000000006F7F0000-0x000000006F83C000-memory.dmp
memory/2108-62-0x0000000006480000-0x000000000649E000-memory.dmp
memory/2108-69-0x0000000006E90000-0x0000000006F33000-memory.dmp
memory/2108-50-0x00000000063B0000-0x00000000063FC000-memory.dmp
memory/3688-5-0x00000000057C0000-0x00000000057CA000-memory.dmp
memory/3688-49-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/3688-1-0x0000000000B80000-0x0000000000C5E000-memory.dmp
memory/3688-2-0x0000000005BB0000-0x0000000006154000-memory.dmp
memory/3688-6-0x0000000006C90000-0x0000000006CA2000-memory.dmp
memory/3688-9-0x0000000006F90000-0x000000000701C000-memory.dmp
memory/3688-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp
memory/3688-3-0x0000000005600000-0x0000000005692000-memory.dmp
memory/3688-7-0x0000000074B0E000-0x0000000074B0F000-memory.dmp
memory/3688-8-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/3688-10-0x0000000009650000-0x00000000096EC000-memory.dmp
memory/3688-4-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/4472-75-0x00000000072D0000-0x00000000072EA000-memory.dmp
memory/4472-20-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/4472-81-0x0000000007610000-0x000000000762A000-memory.dmp
memory/4472-21-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/4472-88-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/4472-79-0x0000000007500000-0x000000000750E000-memory.dmp
memory/4472-36-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/4472-48-0x0000000005F90000-0x0000000005FAE000-memory.dmp
memory/4472-63-0x000000006F7F0000-0x000000006F83C000-memory.dmp