Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
03/06/2024, 07:50
General
- Target 240601_PO No.03.exe
- Size 381KB
- Sample240603-jpb7vshf99
- SHA256 1ee6d9bece1b3e3dd1c01c6fc0248cbbe431ef637791292d1a6c8c4e871963ba
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://mail.stpindo.co.id
-
Port
21
-
Username
-
Password
boygirl123456
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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\240601_PO No.03.exe"C:\Users\Admin\AppData\Local\Temp\240601_PO No.03.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\240601_PO No.03.exe"C:\Users\Admin\AppData\Local\Temp\240601_PO No.03.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/2336-28-0x0000000000470000-0x00000000004B2000-memory.dmp
memory/2336-30-0x00000000391E0000-0x0000000039246000-memory.dmp
memory/2336-23-0x0000000077AE8000-0x0000000077AE9000-memory.dmp
memory/2336-24-0x0000000077B05000-0x0000000077B06000-memory.dmp
memory/2336-26-0x0000000077A61000-0x0000000077B81000-memory.dmp
memory/2336-25-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/2336-27-0x000000007476E000-0x000000007476F000-memory.dmp
memory/2336-40-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/2336-39-0x000000007476E000-0x000000007476F000-memory.dmp
memory/2336-31-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/2336-29-0x0000000038C30000-0x00000000391D4000-memory.dmp
memory/2336-33-0x00000000399F0000-0x0000000039A40000-memory.dmp
memory/2336-34-0x0000000039A40000-0x0000000039AD2000-memory.dmp
memory/2336-35-0x0000000039B10000-0x0000000039B1A000-memory.dmp
memory/2336-37-0x0000000077A61000-0x0000000077B81000-memory.dmp
memory/5048-22-0x00000000746B4000-0x00000000746B5000-memory.dmp
memory/5048-21-0x0000000077A61000-0x0000000077B81000-memory.dmp