Analysis
- max time kernel
149s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
29/10/2026, 00:27
General
- Target RFQ-3401121950 (IO-OLS-852-26) PCOGD.js
- Size 3.0MB
- Sample261029-ar85yavy7p
- SHA256 1a7cdc0419111fb357fbeb16730952cbe212f46e61b2fb0690502ef878fe2b23
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.trimnt.com
-
Port
587
-
Username
-
Password
Zs5s*QVx(4yLLl*1
Extracted
-
masslogger
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
00-00-0000
-
host_password
Zs5s*QVx(4yLLl*1
-
host_port
587
- host_receiver
- host_sender
-
host_server
mail.trimnt.com
-
ssl_slate
True
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Family: MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- Detects DonutLoader 2 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 5 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 6 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Looks up external IP address via web service 1 TTPs 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Modifies registry class 3 IoCs
- NTFS ADS 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: GetForegroundWindowSpam 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\RFQ-3401121950 (IO-OLS-852-26) PCOGD.js"1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c echo. > "C:\Users\Admin\AppData\Local\Temp\RFQ-3401121950 (IO-OLS-852-26) PCOGD.js:Zone.Identifier"2⤵
- Executes a command shell one-liner
- NTFS ADS
-
-
C:\Users\Admin\Documents\CULSKZCFTFQJRQBV.exe"C:\Users\Admin\Documents\CULSKZCFTFQJRQBV.exe" C:\Users\Admin\Documents\VBQRJQFTFCZKSLUC2⤵
- Executes dropped EXE
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\Documents\VBQRJQFTFCZKSLUC.vbs"1⤵
- Executes a VBScript file via the Windows Script Host.
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\CULSKZCFTFQJRQBV.exe"C:\Users\Admin\Documents\CULSKZCFTFQJRQBV.exe" "C:\Users\Admin\Documents\VBQRJQFTFCZKSLUC"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
3JavaScript
1Visual Basic
1Windows Command Shell
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
CULSKZCFTFQJRQBV.exe
CULSKZCFTFQJRQBV.mui
VBQRJQFTFCZKSLUC
VBQRJQFTFCZKSLUC.vbs
VCRUNTIME140.dll
libluajit.dll
memory/3332-83-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-87-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-97-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-98-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-92-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-95-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-91-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-90-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-94-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-80-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-89-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-81-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-84-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-96-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-93-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-88-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-86-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-85-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-82-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-78-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-79-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-76-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-74-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-70-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/3332-71-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-37-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-75-0x00007FFF85BE0000-0x00007FFF86584000-memory.dmp
memory/4092-60-0x0000022513DE0000-0x0000022513E00000-memory.dmp
memory/4092-49-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-48-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-47-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-46-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-45-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-44-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-43-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-42-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-41-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-39-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-40-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-61-0x00007FFF85D6F000-0x00007FFF85D70000-memory.dmp
memory/4092-50-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-63-0x0000022513D10000-0x0000022513D2E000-memory.dmp
memory/4092-64-0x00007FFF85BE0000-0x00007FFF86584000-memory.dmp
memory/4092-65-0x00007FFF85BE0000-0x00007FFF86584000-memory.dmp
memory/4092-66-0x00007FFF85BE0000-0x00007FFF86584000-memory.dmp
memory/4092-72-0x00007FFF85BE0000-0x00007FFF86584000-memory.dmp
memory/4092-52-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-51-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-73-0x00007FFF85BE0000-0x00007FFF86584000-memory.dmp
memory/4092-54-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-59-0x0000022513DE0000-0x0000022514DE0000-memory.dmp
memory/4092-53-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-77-0x0000022525DC0000-0x0000022525E10000-memory.dmp
memory/4092-55-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-57-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-58-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-56-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-38-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-36-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-28-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-30-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-31-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-33-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-34-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-35-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-32-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-29-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-25-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-26-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-27-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-22-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-21-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-19-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-20-0x00007FFF8DB60000-0x00007FFF8DB70000-memory.dmp
memory/4092-113-0x000002253EA70000-0x000002253EC32000-memory.dmp
memory/4092-114-0x00007FFF85BE0000-0x00007FFF86584000-memory.dmp