Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
06/08/2026, 14:36
General
- Target COMPROBANTE DE TRANSFERENCIA.JS.js
- Size 2.8MB
- Sample260806-rykvcsdm3x
- SHA256 c5ada905e0d97815d6a0cdf95e5497047e0dc46cc55f3ac063631087e649671b
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.duct-master.com
-
Port
21
-
Username
-
Password
kaFlTjkh%NSK+0JZ
Signatures
- Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Detects DonutLoader 2 IoCs
- 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 1 IoCs
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
- outlook_office_path 1 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\COMPROBANTE DE TRANSFERENCIA.JS.js"1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\QKWJZTRHELBXUPAJ.PIF"C:\Users\Admin\Documents\QKWJZTRHELBXUPAJ.PIF" C:\Users\Admin\Documents\QKWJZTRHELBXUPAJ.ttf2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
QKWJZTRHELBXUPAJ.PIF
QKWJZTRHELBXUPAJ.ttf
memory/4472-9-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-10-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-11-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-12-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-14-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-13-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-17-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-16-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-15-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-20-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-19-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-18-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-22-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-26-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-28-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-27-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-25-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-24-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-23-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-21-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-29-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-33-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-32-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-43-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-50-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-49-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-48-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-52-0x0000000015340000-0x0000000015384000-memory.dmp
memory/4472-47-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-46-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-45-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-51-0x0000000015340000-0x0000000016340000-memory.dmp
memory/4472-44-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-42-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-41-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-40-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-39-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-53-0x00007FFE9AF1F000-0x00007FFE9AF20000-memory.dmp
memory/4472-38-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-37-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-36-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-35-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-34-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-31-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-30-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/4472-54-0x0000000002A70000-0x0000000002AB2000-memory.dmp
memory/4472-55-0x00007FFE9AD90000-0x00007FFE9B734000-memory.dmp
memory/4472-56-0x00007FFE9AD90000-0x00007FFE9B734000-memory.dmp
memory/4472-57-0x00007FFE9AD90000-0x00007FFE9B734000-memory.dmp
memory/4472-58-0x00007FFE9AD90000-0x00007FFE9B734000-memory.dmp
memory/4472-59-0x00007FFE9AD90000-0x00007FFE9B734000-memory.dmp
memory/4472-60-0x0000000002AF0000-0x0000000002B40000-memory.dmp
memory/4472-61-0x0000000000400000-0x000000000047B000-memory.dmp
memory/4472-62-0x0000000028450000-0x0000000028558000-memory.dmp
memory/4472-63-0x00007FFE9AD90000-0x00007FFE9B734000-memory.dmp