Analysis
- max time kernel
149s - max time network
131s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
04/05/2026, 16:25
General
- Target factura.exe
- Size 900KB
- Sample260504-tw2ffabw8j
- SHA256 2d97b013295699f2cbd5d826a33c35efd5067a96419b5b11e38898418a3b031e
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.hngandpartners.com
-
Port
21
-
Username
-
Password
Yj!iTyIh&KDycpM8
Signatures
- Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- .NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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.
- Suspicious use of SetThreadContext 1 IoCs
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\factura.exe"C:\Users\Admin\AppData\Local\Temp\factura.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3480-10-0x0000000005D10000-0x0000000005D20000-memory.dmp
memory/3480-1-0x0000000005E80000-0x0000000006426000-memory.dmp
memory/3480-2-0x00000000059D0000-0x0000000005A62000-memory.dmp
memory/3480-3-0x0000000005B10000-0x0000000005BAC000-memory.dmp
memory/3480-4-0x0000000005970000-0x00000000059B6000-memory.dmp
memory/3480-5-0x0000000005D10000-0x0000000005D20000-memory.dmp
memory/3480-6-0x0000000005B00000-0x0000000005B0A000-memory.dmp
memory/3480-7-0x0000000005D10000-0x0000000005D20000-memory.dmp
memory/3480-9-0x0000000005D10000-0x0000000005D20000-memory.dmp
memory/3480-8-0x0000000001730000-0x0000000001752000-memory.dmp
memory/3480-14-0x000000000A4B0000-0x000000000A4B6000-memory.dmp
memory/3480-13-0x0000000007E50000-0x0000000007E68000-memory.dmp
memory/3480-0-0x0000000000DB0000-0x0000000000E98000-memory.dmp
memory/3480-20-0x0000000001730000-0x0000000001752000-memory.dmp
memory/4708-18-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4708-21-0x0000000005880000-0x0000000005890000-memory.dmp
memory/4708-22-0x0000000005A00000-0x0000000005A66000-memory.dmp
memory/4708-23-0x00000000067C0000-0x0000000006810000-memory.dmp
memory/4708-24-0x0000000001630000-0x000000000170F000-memory.dmp
memory/4708-25-0x0000000005880000-0x0000000005890000-memory.dmp