Analysis
- max time kernel
148s - max time network
122s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
29/06/2026, 16:17
General
- Target bbfe33f2fd8ba24ac333d2f81348472bb4cbdd33bf317cb55dff63d7b9be3269.exe
- Size 543KB
- Sample260629-trd5caa18k
- SHA256 bbfe33f2fd8ba24ac333d2f81348472bb4cbdd33bf317cb55dff63d7b9be3269
Malware Config
Extracted
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agenttesla
-
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.
- 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
- Drops file in Windows directory 1 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\bbfe33f2fd8ba24ac333d2f81348472bb4cbdd33bf317cb55dff63d7b9be3269.exe"C:\Users\Admin\AppData\Local\Temp\bbfe33f2fd8ba24ac333d2f81348472bb4cbdd33bf317cb55dff63d7b9be3269.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\bbfe33f2fd8ba24ac333d2f81348472bb4cbdd33bf317cb55dff63d7b9be3269.exe"C:\Users\Admin\AppData\Local\Temp\bbfe33f2fd8ba24ac333d2f81348472bb4cbdd33bf317cb55dff63d7b9be3269.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\bbfe33f2fd8ba24ac333d2f81348472bb4cbdd33bf317cb55dff63d7b9be3269.exe"C:\Users\Admin\AppData\Local\Temp\bbfe33f2fd8ba24ac333d2f81348472bb4cbdd33bf317cb55dff63d7b9be3269.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
-
C:\Users\Admin\AppData\Local\Temp\bbfe33f2fd8ba24ac333d2f81348472bb4cbdd33bf317cb55dff63d7b9be3269.exe"C:\Users\Admin\AppData\Local\Temp\bbfe33f2fd8ba24ac333d2f81348472bb4cbdd33bf317cb55dff63d7b9be3269.exe"3⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
System.dll
memory/2472-12-0x0000000074325000-0x0000000074326000-memory.dmp
memory/5848-13-0x0000000077AFF000-0x0000000077B00000-memory.dmp
memory/5848-14-0x0000000077ABD000-0x0000000077ABE000-memory.dmp
memory/5848-15-0x0000000077B85000-0x0000000077B86000-memory.dmp
memory/5848-17-0x0000000077A51000-0x0000000077B7F000-memory.dmp
memory/5848-16-0x00000000004C0000-0x00000000017A6000-memory.dmp
memory/5848-18-0x0000000072882000-0x0000000072883000-memory.dmp
memory/5848-19-0x00000000004C0000-0x0000000000502000-memory.dmp
memory/5848-20-0x0000000039320000-0x00000000398DA000-memory.dmp
memory/5848-21-0x0000000072870000-0x000000007302C000-memory.dmp
memory/5848-22-0x0000000039180000-0x00000000391E6000-memory.dmp
memory/5848-24-0x000000003A0B0000-0x000000003A142000-memory.dmp
memory/5848-25-0x000000003A160000-0x000000003A1B0000-memory.dmp
memory/5848-26-0x000000003A1D0000-0x000000003A1DA000-memory.dmp
memory/5848-27-0x0000000077B85000-0x0000000077B86000-memory.dmp
memory/5848-28-0x0000000072882000-0x0000000072883000-memory.dmp
memory/5848-29-0x0000000072870000-0x000000007302C000-memory.dmp