Analysis
- max time kernel
148s - max time network
140s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
10/09/2026, 09:20
General
- Target CERTIFICATE OF ANAYLSIS.js
- Size 1.2MB
- Sample260910-lav3jatyfx
- SHA256 a31bb5722e95222aca778171b75cf48953098fa503dda190f731747183f8b0c6
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
cphost17.qhoster.net
-
Port
587
-
Username
-
Password
Qwerty!@#
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Email to
Signatures
- Family: VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- 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 SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Command and Scripting Interpreter: JavaScript 1 TTPs
- 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 use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\CERTIFICATE OF ANAYLSIS.js"1⤵
- Badlisted process makes network request
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\env\updat.exe"C:\Users\Admin\AppData\Local\Temp\env\updat.exe" -run "lib.c"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe3⤵
- 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 v16
Replay Monitor
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Downloads
app.zip
lib.c
libtcc.dll
libtcc.ini
updat.exe
_mingw.h
ctype.h
excpt.h
limits.h
malloc.h
stdio_s.h
stdlib_s.h
string_s.h
stdarg.h
stddef.h
stdio.h
stdlib.h
string.h
vadefs.h
basetsd.h
guiddef.h
poppack.h
pshpack1.h
pshpack2.h
pshpack4.h
pshpack8.h
winbase.h
wincon.h
windef.h
windows.h
winerror.h
wingdi.h
winnt.h
winreg.h
winuser.h
winver.h
kernel32.def
libtcc1-32.a
msvcrt.def
memory/824-2323-0x0000000005710000-0x00000000057AC000-memory.dmp
memory/824-2319-0x0000000000400000-0x0000000000448000-memory.dmp
memory/824-2322-0x0000000005CD0000-0x000000000628A000-memory.dmp
memory/824-2324-0x0000000006A20000-0x0000000006BE2000-memory.dmp
memory/824-2325-0x00000000068B0000-0x0000000006900000-memory.dmp
memory/824-2326-0x0000000006BF0000-0x0000000006C82000-memory.dmp
memory/824-2327-0x00000000069B0000-0x00000000069BA000-memory.dmp
memory/1912-2321-0x0000000062180000-0x00000000621BE000-memory.dmp
memory/1912-2320-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1912-2318-0x0000000000F10000-0x0000000001010000-memory.dmp