Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
03/02/2026, 15:01
General
- Target inv. 5234353.bat.exe
- Size 447KB
- Sample260203-sdwa2afx2b
- SHA256 b7d239db797326e43a96fb228e93bbbfa1e12d610c8a79ba3148b74b0021ecb4
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.corwineagles.com
-
Port
21
-
Username
-
Password
cCycU=91vup7
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- 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.
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- 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
Processes
-
C:\Users\Admin\AppData\Local\Temp\inv. 5234353.bat.exe"C:\Users\Admin\AppData\Local\Temp\inv. 5234353.bat.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\inv. 5234353.bat.exe"C:\Users\Admin\AppData\Local\Temp\inv. 5234353.bat.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\inv. 5234353.bat.exe"C:\Users\Admin\AppData\Local\Temp\inv. 5234353.bat.exe"2⤵
- 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
-
C:\Users\Admin\AppData\Local\Temp\inv. 5234353.bat.exe"C:\Users\Admin\AppData\Local\Temp\inv. 5234353.bat.exe"3⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
System.dll
indtraf.lnk
memory/1152-304-0x0000000077C21000-0x0000000077D43000-memory.dmp
memory/1152-306-0x00000000004B0000-0x00000000004F2000-memory.dmp
memory/1152-289-0x0000000077CCB000-0x0000000077CCC000-memory.dmp
memory/1152-288-0x0000000077D4B000-0x0000000077D4C000-memory.dmp
memory/1152-301-0x00000000004B0000-0x00000000017C7000-memory.dmp
memory/1152-302-0x0000000077D4B000-0x0000000077D4C000-memory.dmp
memory/1152-314-0x00000000380D0000-0x00000000380E0000-memory.dmp
memory/1152-303-0x00000000004B0000-0x00000000017C7000-memory.dmp
memory/1152-305-0x0000000077C21000-0x0000000077D43000-memory.dmp
memory/1152-287-0x0000000077CB8000-0x0000000077CB9000-memory.dmp
memory/1152-307-0x0000000038120000-0x00000000386C6000-memory.dmp
memory/1152-308-0x00000000380D0000-0x00000000380E0000-memory.dmp
memory/1152-309-0x0000000035DC0000-0x0000000035E26000-memory.dmp
memory/1152-310-0x0000000038CC0000-0x0000000038D52000-memory.dmp
memory/1152-311-0x0000000038D70000-0x0000000038DC0000-memory.dmp
memory/1152-312-0x0000000038DF0000-0x0000000038DFA000-memory.dmp
memory/2220-286-0x0000000010004000-0x0000000010005000-memory.dmp