Analysis
- max time kernel
148s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-20250217-en - resource tags
- submitted
18/02/2025, 12:03
General
- Target Researches.exe
- Size 985KB
- Sample250218-n8a65aznat
- SHA256 6e24c014d9214bbf4f57d547a64e3b0e8655784094673d97f0cb61cf37470ec6
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
mail.novacitacor.pt
-
Port
587
-
Username
-
Password
#Novasystem123#
-
Email to
-
https://api.telegram.org/bot7502066508:AAGz5-yl79jZ7Tfefk024IrMFNLc6CGJF4I/sendMessage?chat_id=6978326966
Signatures
- Guloader family
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Vipkeylogger family
- Loads dropped DLL 2 IoCs
- 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
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory 1 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Drops file in Program Files directory 1 IoCs
- Drops file in Windows directory 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 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Researches.exe"C:\Users\Admin\AppData\Local\Temp\Researches.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Researches.exe"C:\Users\Admin\AppData\Local\Temp\Researches.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- 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
dinosaurusserne.lnk
System.dll
memory/3376-312-0x0000000003180000-0x0000000004708000-memory.dmp
memory/3376-313-0x0000000077AB1000-0x0000000077BD1000-memory.dmp
memory/3376-314-0x0000000010004000-0x0000000010005000-memory.dmp
memory/3908-315-0x00000000016E0000-0x0000000002C68000-memory.dmp
memory/3908-316-0x00000000016E0000-0x0000000002C68000-memory.dmp
memory/3908-317-0x0000000077B38000-0x0000000077B39000-memory.dmp
memory/3908-318-0x0000000077B55000-0x0000000077B56000-memory.dmp
memory/3908-331-0x00000000016E0000-0x0000000002C68000-memory.dmp
memory/3908-333-0x0000000077AB1000-0x0000000077BD1000-memory.dmp
memory/3908-332-0x0000000000480000-0x00000000016D4000-memory.dmp
memory/3908-334-0x00000000016E0000-0x0000000002C68000-memory.dmp
memory/3908-335-0x0000000000480000-0x00000000004C4000-memory.dmp
memory/3908-336-0x0000000035C10000-0x00000000361B4000-memory.dmp
memory/3908-337-0x00000000361C0000-0x000000003625C000-memory.dmp
memory/3908-340-0x0000000036700000-0x00000000368C2000-memory.dmp
memory/3908-341-0x0000000036930000-0x0000000036980000-memory.dmp
memory/3908-343-0x00000000333F0000-0x0000000033482000-memory.dmp
memory/3908-344-0x00000000334A0000-0x00000000334AA000-memory.dmp