Analysis
- max time kernel
149s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
14/09/2026, 12:08
General
- Target PO no B00475 PDF.js
- Size 1.7MB
- Sample260914-pa3ddsck81
- SHA256 29211a78e1fb420bc9f5de8920ca678313bd466ca6863cfcc478890b973ed3ac
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
cphost17.qhoster.net
-
Port
587
-
Username
-
Password
Qwerty!@#
-
Email to
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Family: VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Detects DonutLoader 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 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
- 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.
- 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 1 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 FindShellTrayWindow 3 IoCs
- Suspicious use of SendNotifyMessage 3 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\PO no B00475 PDF.js"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\support.exe"C:\Users\Admin\AppData\Local\Temp\support.exe" "C:\Users\Admin\AppData\Local\Temp\au.dat"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- 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
app.zip
au.dat
au.ini
support.exe
memory/4136-52-0x0000000006FD0000-0x000000000706C000-memory.dmp
memory/4136-53-0x0000000006F20000-0x0000000006F30000-memory.dmp
memory/4136-48-0x0000000006E00000-0x0000000006E48000-memory.dmp
memory/4136-49-0x0000000006F20000-0x0000000006F30000-memory.dmp
memory/4136-50-0x0000000006F20000-0x0000000006F30000-memory.dmp
memory/4136-51-0x00000000074E0000-0x0000000007A84000-memory.dmp
memory/4136-46-0x0000000003E30000-0x0000000003E7C000-memory.dmp
memory/4136-47-0x0000000006F20000-0x0000000006F30000-memory.dmp
memory/4136-54-0x0000000006F20000-0x0000000006F30000-memory.dmp
memory/4136-55-0x0000000009460000-0x0000000009622000-memory.dmp
memory/4136-56-0x0000000009290000-0x00000000092E0000-memory.dmp
memory/4136-57-0x0000000006F20000-0x0000000006F30000-memory.dmp
memory/4136-58-0x0000000006F20000-0x0000000006F30000-memory.dmp
memory/4136-59-0x0000000006F20000-0x0000000006F30000-memory.dmp
memory/4136-60-0x00000000093A0000-0x0000000009432000-memory.dmp
memory/4136-61-0x0000000009350000-0x000000000935A000-memory.dmp