Analysis
- max time kernel
144s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20250619-en - resource tags
- submitted
29/09/2025, 07:02
General
- Target doc002209025.exe
- Size 805KB
- Sample250929-htt3ssxvez
- SHA256 88147aad7aa96d552ff975e54a28a013be2a82510226daf9e5bba144912e8ac3
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.indra-precision.co.th
-
Port
21
-
Username
-
Password
(8VnO^JKZAew
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- Loads dropped DLL 1 IoCs
- 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.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\doc002209025.exe"C:\Users\Admin\AppData\Local\Temp\doc002209025.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\doc002209025.exe"C:\Users\Admin\AppData\Local\Temp\doc002209025.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/1172-34-0x0000000038F30000-0x00000000394D4000-memory.dmp
memory/1172-20-0x0000000077D18000-0x0000000077D19000-memory.dmp
memory/1172-21-0x0000000077DB9000-0x0000000077DBA000-memory.dmp
memory/1172-31-0x0000000000450000-0x00000000016A4000-memory.dmp
memory/1172-33-0x0000000000450000-0x0000000000492000-memory.dmp
memory/1172-35-0x00000000395D0000-0x00000000395E0000-memory.dmp
memory/1172-36-0x0000000039520000-0x0000000039586000-memory.dmp
memory/1172-37-0x0000000039E80000-0x0000000039F12000-memory.dmp
memory/1172-38-0x0000000039F60000-0x0000000039FB0000-memory.dmp
memory/1172-39-0x0000000039FF0000-0x0000000039FFA000-memory.dmp
memory/1172-40-0x0000000077DB9000-0x0000000077DBA000-memory.dmp
memory/1172-42-0x00000000395D0000-0x00000000395E0000-memory.dmp
memory/4348-19-0x0000000074975000-0x0000000074976000-memory.dmp