Analysis
- max time kernel
150s - max time network
136s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
29/06/2026, 17:00
General
- Target b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc.exe
- Size 224KB
- Sample260629-vjcf8aas7y
- SHA256 b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc
Malware Config
Extracted
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agenttesla
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Protocol
ftp
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Host
ftp://ftp.holzbrenzii.com
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Port
21
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Username
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Password
boygirl123456
Signatures
- Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- 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 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 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 behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
- outlook_office_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc.exe"C:\Users\Admin\AppData\Local\Temp\b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc.exe"C:\Users\Admin\AppData\Local\Temp\b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc.exe"C:\Users\Admin\AppData\Local\Temp\b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
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C:\Users\Admin\AppData\Local\Temp\b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc.exe"C:\Users\Admin\AppData\Local\Temp\b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc.exe"3⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/1520-19-0x0000000005FF0000-0x0000000008A60000-memory.dmp
memory/1520-16-0x0000000005FF0000-0x0000000008A60000-memory.dmp
memory/1520-17-0x0000000074275000-0x0000000074276000-memory.dmp
memory/5892-21-0x0000000000460000-0x00000000004A2000-memory.dmp
memory/5892-20-0x0000000000460000-0x0000000001746000-memory.dmp
memory/5892-18-0x0000000001750000-0x00000000041C0000-memory.dmp
memory/5892-22-0x0000000037400000-0x00000000379BA000-memory.dmp
memory/5892-23-0x0000000034F10000-0x0000000034F76000-memory.dmp
memory/5892-24-0x00000000381D0000-0x0000000038262000-memory.dmp
memory/5892-25-0x00000000382A0000-0x00000000382F0000-memory.dmp
memory/5892-26-0x0000000038310000-0x000000003831A000-memory.dmp
memory/5892-28-0x0000000001750000-0x00000000041C0000-memory.dmp