Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
23/07/2026, 06:05
General
- Target Comprobante de pago.xls___________________________________.exe
- Size 370KB
- Sample260723-gtht4aha79
- SHA256 02469c593ecd42b98fd30db086bfc49c9a486d123085a626cf2ab247d7003e65
Malware Config
Extracted
-
agenttesla
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Protocol
ftp
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Host
ftp://ftp.5dejunio.gob.ec
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Port
21
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Username
-
Password
osef!t1!#Z8,H378
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
- 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
-
C:\Users\Admin\AppData\Local\Temp\Comprobante de pago.xls___________________________________.exe"C:\Users\Admin\AppData\Local\Temp\Comprobante de pago.xls___________________________________.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\Comprobante de pago.xls___________________________________.exe"C:\Users\Admin\AppData\Local\Temp\Comprobante de pago.xls___________________________________.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Comprobante de pago.xls___________________________________.exe"C:\Users\Admin\AppData\Local\Temp\Comprobante de pago.xls___________________________________.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\Comprobante de pago.xls___________________________________.exe"C:\Users\Admin\AppData\Local\Temp\Comprobante de pago.xls___________________________________.exe"3⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
System.dll
memory/1880-12-0x0000000074485000-0x0000000074486000-memory.dmp
memory/2484-13-0x000000007772F000-0x0000000077730000-memory.dmp
memory/2484-14-0x00000000776ED000-0x00000000776EE000-memory.dmp
memory/2484-15-0x00000000777B5000-0x00000000777B6000-memory.dmp
memory/2484-23-0x0000000077681000-0x00000000777AF000-memory.dmp
memory/2484-22-0x00000000004A0000-0x0000000001786000-memory.dmp
memory/2484-25-0x00000000721B2000-0x00000000721B3000-memory.dmp
memory/2484-26-0x00000000004A0000-0x00000000004E2000-memory.dmp
memory/2484-27-0x000000003A790000-0x000000003AD4A000-memory.dmp
memory/2484-28-0x00000000721A0000-0x000000007295C000-memory.dmp
memory/2484-29-0x000000003AE90000-0x000000003AEF6000-memory.dmp
memory/2484-30-0x00000000777B5000-0x00000000777B6000-memory.dmp
memory/2484-31-0x00000000721B2000-0x00000000721B3000-memory.dmp
memory/2484-33-0x00000000721A0000-0x000000007295C000-memory.dmp
memory/2484-35-0x000000003B700000-0x000000003B750000-memory.dmp
memory/2484-36-0x000000003B750000-0x000000003B7E2000-memory.dmp
memory/2484-37-0x000000003B840000-0x000000003B84A000-memory.dmp