Analysis
- max time kernel
148s - max time network
137s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
01/09/2026, 06:21
General
- Target zbzknwds.JS.js
- Size 3.7MB
- Sample260901-g4dccsbe44
- SHA256 02fedc08d040f9b9e2a96ffd364bbd4eb4f537205594072a0554adc651f6e5f2
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.melrz.com
-
Port
21
-
Username
-
Password
Cl@ne1!2@3#4$
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 1 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\zbzknwds.JS.js1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\KZTLRTIVOECYIZZE.PIF"C:\Users\Admin\Documents\KZTLRTIVOECYIZZE.PIF" C:\Users\Admin\Documents\KZTLRTIVOECYIZZE.ttf2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
KZTLRTIVOECYIZZE.PIF
KZTLRTIVOECYIZZE.ttf
memory/1132-9-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-10-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-11-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-12-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-52-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-62-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-72-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-71-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-70-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-69-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-68-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-67-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-66-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-65-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-64-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-63-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-61-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-60-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-59-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-58-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-57-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-56-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-55-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-54-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-53-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-51-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-48-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-49-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-47-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-46-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-45-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-44-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-43-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-42-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-41-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-40-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-39-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-38-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-37-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-36-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-34-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-33-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-32-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-31-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-30-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-29-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-28-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-27-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-26-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-25-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-24-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-23-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-22-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-19-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-20-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-17-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-18-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-50-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-35-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-21-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-16-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-15-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-14-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-13-0x000000002A4F0000-0x000000002A500000-memory.dmp
memory/1132-322-0x0000000014FE0000-0x0000000015024000-memory.dmp
memory/1132-323-0x00007FFB11ADF000-0x00007FFB11AE0000-memory.dmp
memory/1132-324-0x0000000026F60000-0x0000000026FA2000-memory.dmp
memory/1132-325-0x00007FFB11950000-0x00007FFB122F4000-memory.dmp
memory/1132-326-0x00007FFB11950000-0x00007FFB122F4000-memory.dmp
memory/1132-327-0x00007FFB11950000-0x00007FFB122F4000-memory.dmp
memory/1132-328-0x00007FFB11950000-0x00007FFB122F4000-memory.dmp
memory/1132-329-0x00007FFB11950000-0x00007FFB122F4000-memory.dmp
memory/1132-330-0x00007FFB11950000-0x00007FFB122F4000-memory.dmp
memory/1132-331-0x00007FFB11950000-0x00007FFB122F4000-memory.dmp
memory/1132-332-0x00007FFB11950000-0x00007FFB122F4000-memory.dmp
memory/1132-333-0x0000000027010000-0x0000000027060000-memory.dmp
memory/1132-335-0x00007FFB11950000-0x00007FFB122F4000-memory.dmp