Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
20/07/2026, 15:22
General
- Target msedge_elf.dll
- Size 2.1MB
- Sample260720-sr8taaet7q
- SHA256 305b0760fd3eceb5e28090bf5a473ea2624c66857910c43bd31085ee72821bda
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.transotraval.cl
-
Port
21
-
Username
-
Password
vIZ2P]dt&a!d
Signatures
- Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- outlook_office_path 1 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\msedge_elf.dll,#11⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/4552-0-0x0000000000800000-0x0000000000842000-memory.dmp
memory/4552-1-0x00000000053B0000-0x0000000005954000-memory.dmp
memory/4552-2-0x0000000004CB0000-0x0000000004CC0000-memory.dmp
memory/4552-3-0x0000000004D70000-0x0000000004DD6000-memory.dmp
memory/4552-4-0x0000000004CB0000-0x0000000004CC0000-memory.dmp
memory/4552-5-0x0000000006250000-0x00000000062A0000-memory.dmp
memory/4552-6-0x0000000006340000-0x00000000063D2000-memory.dmp
memory/4552-7-0x00000000062E0000-0x00000000062EA000-memory.dmp