Analysis
- max time kernel
149s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
10/11/2026, 15:00
General
- Target orden de compra (OC).js
- Size 3.3MB
- Sample261110-sdk53avvb1
- SHA256 7dbcab2b8bdfe6d83cfeb8de792f58b2519d652209bbf5cbfa447a5f2258735c
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
w#chNV#1
-
Email to
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
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 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
- Adds Run key to start application 2 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).
- 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 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- NTFS ADS 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
- outlook_office_path 1 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\orden de compra (OC).js"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c echo. > "C:\Users\Admin\AppData\Local\Temp\orden de compra (OC).js:Zone.Identifier"2⤵
- Executes a command shell one-liner
- NTFS ADS
-
-
C:\Users\Admin\Documents\XJWDZCCSAAWSCREQ.exe"C:\Users\Admin\Documents\XJWDZCCSAAWSCREQ.exe" C:\Users\Admin\Documents\QERCSWAASCCZDWJX2⤵
- 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 use of AdjustPrivilegeToken
- outlook_office_path
-
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2JavaScript
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
QERCSWAASCCZDWJX
XJWDZCCSAAWSCREQ.exe
lua51.dll
memory/4532-15-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-14-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-16-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-17-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-22-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-26-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-31-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-33-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-32-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-30-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-29-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-28-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-27-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-25-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-24-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-23-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-34-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-21-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-20-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-50-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-55-0x00000000023E0000-0x00000000033E0000-memory.dmp
memory/4532-59-0x000000002D1C0000-0x000000002D1D0000-memory.dmp
memory/4532-58-0x00000000143B0000-0x00000000143F2000-memory.dmp
memory/4532-57-0x000000002D1C0000-0x000000002D1D0000-memory.dmp
memory/4532-56-0x00000000023E0000-0x0000000002424000-memory.dmp
memory/4532-48-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-54-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-53-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-52-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-51-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-49-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-47-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-46-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-45-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-44-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-43-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-42-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-41-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-40-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-39-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-38-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-37-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-36-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-35-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-19-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-18-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/4532-60-0x000000002D160000-0x000000002D1B0000-memory.dmp
memory/4532-61-0x0000000000400000-0x000000000040D000-memory.dmp
memory/4532-62-0x0000000066D80000-0x0000000066DF4000-memory.dmp
memory/4532-63-0x000000002D1C0000-0x000000002D1D0000-memory.dmp