Analysis
- max time kernel
134s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
05/11/2024, 16:30
General
- Target 66c525114240093bc408138d4c93c51e7c09a235e183fca73ee66ebd150e4fe1.exe
- Size 834KB
- Sample241105-t1ataavakd
- SHA256 66c525114240093bc408138d4c93c51e7c09a235e183fca73ee66ebd150e4fe1
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
mail.covid19support.top
-
Port
587
-
Username
-
Password
7213575aceACE@@
-
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 1 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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\66c525114240093bc408138d4c93c51e7c09a235e183fca73ee66ebd150e4fe1.exe"C:\Users\Admin\AppData\Local\Temp\66c525114240093bc408138d4c93c51e7c09a235e183fca73ee66ebd150e4fe1.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\66c525114240093bc408138d4c93c51e7c09a235e183fca73ee66ebd150e4fe1.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\66c525114240093bc408138d4c93c51e7c09a235e183fca73ee66ebd150e4fe1.exe"C:\Users\Admin\AppData\Local\Temp\66c525114240093bc408138d4c93c51e7c09a235e183fca73ee66ebd150e4fe1.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
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_ys5df5z5.5qr.ps1
memory/872-11-0x0000000000400000-0x0000000000448000-memory.dmp
memory/872-61-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/872-62-0x00000000067D0000-0x0000000006992000-memory.dmp
memory/872-20-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/872-63-0x0000000006650000-0x00000000066A0000-memory.dmp
memory/872-13-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/2308-4-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/2308-8-0x00000000744DE000-0x00000000744DF000-memory.dmp
memory/2308-9-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/2308-10-0x00000000029B0000-0x0000000002A3A000-memory.dmp
memory/2308-7-0x0000000006440000-0x000000000645C000-memory.dmp
memory/2308-6-0x0000000005360000-0x00000000053FC000-memory.dmp
memory/2308-14-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/2308-5-0x00000000052A0000-0x00000000052AA000-memory.dmp
memory/2308-3-0x0000000005110000-0x00000000051A2000-memory.dmp
memory/2308-2-0x0000000005620000-0x0000000005BC4000-memory.dmp
memory/2308-0-0x00000000744DE000-0x00000000744DF000-memory.dmp
memory/2308-1-0x0000000000610000-0x00000000006E6000-memory.dmp
memory/3640-21-0x0000000005650000-0x00000000056B6000-memory.dmp
memory/3640-50-0x0000000007670000-0x000000000768A000-memory.dmp
memory/3640-22-0x00000000056C0000-0x0000000005726000-memory.dmp
memory/3640-19-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/3640-32-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/3640-33-0x0000000005DF0000-0x0000000006144000-memory.dmp
memory/3640-34-0x0000000006340000-0x000000000635E000-memory.dmp
memory/3640-35-0x0000000006380000-0x00000000063CC000-memory.dmp
memory/3640-36-0x0000000007510000-0x0000000007542000-memory.dmp
memory/3640-37-0x000000006FDB0000-0x000000006FDFC000-memory.dmp
memory/3640-47-0x0000000006900000-0x000000000691E000-memory.dmp
memory/3640-48-0x0000000007550000-0x00000000075F3000-memory.dmp
memory/3640-49-0x0000000007CB0000-0x000000000832A000-memory.dmp
memory/3640-18-0x0000000005580000-0x00000000055A2000-memory.dmp
memory/3640-51-0x00000000076E0000-0x00000000076EA000-memory.dmp
memory/3640-52-0x00000000078F0000-0x0000000007986000-memory.dmp
memory/3640-53-0x0000000007870000-0x0000000007881000-memory.dmp
memory/3640-54-0x00000000078A0000-0x00000000078AE000-memory.dmp
memory/3640-55-0x00000000078B0000-0x00000000078C4000-memory.dmp
memory/3640-56-0x00000000079B0000-0x00000000079CA000-memory.dmp
memory/3640-57-0x0000000007990000-0x0000000007998000-memory.dmp
memory/3640-60-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/3640-16-0x00000000057C0000-0x0000000005DE8000-memory.dmp
memory/3640-17-0x00000000744D0000-0x0000000074C80000-memory.dmp
memory/3640-15-0x0000000002A10000-0x0000000002A46000-memory.dmp