Analysis
- max time kernel
149s - max time network
137s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
02/11/2026, 01:27
General
- Target Original Shipping Doc.pdf.js
- Size 3.4MB
- Sample261102-bvg2aset31
- SHA256 37c1e390e88ccb231277a08fb768295109f29582efdd06f1b23e07dfbbd1670d
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.bswcsz.com
-
Port
21
-
Username
-
Password
)AO^#+8luIUu@^2I 3
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
- 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
- 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.
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Modifies registry class 2 IoCs
- 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\Original Shipping Doc.pdf.js"1⤵
- System Network Configuration Discovery: Internet Connection Discovery
- 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\Original Shipping Doc.pdf.js:Zone.Identifier"2⤵
- Executes a command shell one-liner
- System Network Configuration Discovery: Internet Connection Discovery
- NTFS ADS
-
-
C:\Users\Admin\Documents\YVYGEBZJINEIHWZP.exe"C:\Users\Admin\Documents\YVYGEBZJINEIHWZP.exe" C:\Users\Admin\Documents\PZWHIENIJZBEGYVY2⤵
- Executes dropped EXE
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- 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
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
PZWHIENIJZBEGYVY
YVYGEBZJINEIHWZP.exe
lua51.dll
memory/2860-14-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-15-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-16-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-17-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-18-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-21-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-26-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-25-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-24-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-23-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-22-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-20-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-19-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-31-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-32-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-33-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-30-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-29-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-28-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-27-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-34-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-35-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-54-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-53-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-52-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-50-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-49-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-48-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-47-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-46-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-45-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-44-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-43-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-41-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-40-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-37-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-38-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-51-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-42-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-39-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-36-0x0000000057FD0000-0x0000000057FE0000-memory.dmp
memory/2860-56-0x00000000025E0000-0x0000000002624000-memory.dmp
memory/2860-55-0x00000000025E0000-0x00000000035E0000-memory.dmp
memory/2860-57-0x00007FF84419F000-0x00007FF8441A0000-memory.dmp
memory/2860-58-0x00007FF844010000-0x00007FF8449B4000-memory.dmp
memory/2860-59-0x00000000145D0000-0x0000000014612000-memory.dmp
memory/2860-60-0x00007FF844010000-0x00007FF8449B4000-memory.dmp
memory/2860-61-0x00007FF844010000-0x00007FF8449B4000-memory.dmp
memory/2860-62-0x00007FF844010000-0x00007FF8449B4000-memory.dmp
memory/2860-63-0x00007FF844010000-0x00007FF8449B4000-memory.dmp
memory/2860-64-0x00007FF844010000-0x00007FF8449B4000-memory.dmp
memory/2860-65-0x000000002E1C0000-0x000000002E210000-memory.dmp
memory/2860-66-0x0000000000400000-0x000000000040D000-memory.dmp
memory/2860-67-0x0000000066D80000-0x0000000066DF4000-memory.dmp
memory/2860-68-0x00007FF844010000-0x00007FF8449B4000-memory.dmp