Analysis
- max time kernel
150s - max time network
133s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
25/08/2026, 01:42
General
- Target d2157f5d283a3bf6562517c2b0ccd19752a529b324ce969007ce2d0d73aa0cb1.exe
- Size 555KB
- Sample260825-b47cjswbpc
- SHA256 d2157f5d283a3bf6562517c2b0ccd19752a529b324ce969007ce2d0d73aa0cb1
Malware Config
Extracted
-
vipkeylogger
-
https://api.telegram.org/bot7383703871:AAE8li35TJ3TFths46ZztmCMXMbqOmO2lP0/sendMessage?chat_id=7618581100
Signatures
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Family: VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Loads dropped DLL 1 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
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Looks up external IP address via web service 1 TTPs 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 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 2 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d2157f5d283a3bf6562517c2b0ccd19752a529b324ce969007ce2d0d73aa0cb1.exe"C:\Users\Admin\AppData\Local\Temp\d2157f5d283a3bf6562517c2b0ccd19752a529b324ce969007ce2d0d73aa0cb1.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\d2157f5d283a3bf6562517c2b0ccd19752a529b324ce969007ce2d0d73aa0cb1.exe"C:\Users\Admin\AppData\Local\Temp\d2157f5d283a3bf6562517c2b0ccd19752a529b324ce969007ce2d0d73aa0cb1.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 v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/3832-35-0x0000000037DB0000-0x000000003836A000-memory.dmp
memory/3832-26-0x0000000001740000-0x000000000481A000-memory.dmp
memory/3832-33-0x0000000000450000-0x0000000001736000-memory.dmp
memory/3832-34-0x0000000000450000-0x000000000049A000-memory.dmp
memory/3832-36-0x0000000037C40000-0x0000000037CDC000-memory.dmp
memory/3832-38-0x0000000001740000-0x000000000481A000-memory.dmp
memory/3832-39-0x0000000038880000-0x0000000038A42000-memory.dmp
memory/3832-40-0x0000000038A50000-0x0000000038AA0000-memory.dmp
memory/3832-41-0x0000000038B20000-0x000000003904C000-memory.dmp
memory/3832-43-0x00000000390B0000-0x0000000039142000-memory.dmp
memory/3832-44-0x0000000039190000-0x000000003919A000-memory.dmp
memory/3964-25-0x0000000074075000-0x0000000074076000-memory.dmp
memory/3964-24-0x0000000005130000-0x000000000820A000-memory.dmp