Analysis
- max time kernel
148s - max time network
124s - platform
windows7_x64 - resource
win7-20240419-en - resource tags
- submitted
28/06/2024, 01:13
General
- Target 2a089fc9b24c5253a913526be0ac2ee62b911a96645cb70885d678c91dcb83c9.exe
- Size 858KB
- Sample240628-blke3asgla
- SHA256 2a089fc9b24c5253a913526be0ac2ee62b911a96645cb70885d678c91dcb83c9
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://mail.hearing-vision.com
-
Port
21
-
Username
-
Password
LILKOOLL14!
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- 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
- Drops file in Windows directory 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 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2a089fc9b24c5253a913526be0ac2ee62b911a96645cb70885d678c91dcb83c9.exe"C:\Users\Admin\AppData\Local\Temp\2a089fc9b24c5253a913526be0ac2ee62b911a96645cb70885d678c91dcb83c9.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2a089fc9b24c5253a913526be0ac2ee62b911a96645cb70885d678c91dcb83c9.exe"C:\Users\Admin\AppData\Local\Temp\2a089fc9b24c5253a913526be0ac2ee62b911a96645cb70885d678c91dcb83c9.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
Loading Replay Monitor...
Downloads
System.dll
memory/2460-25-0x0000000003FD0000-0x0000000004E1A000-memory.dmp
memory/2460-26-0x0000000077721000-0x0000000077822000-memory.dmp
memory/2460-27-0x0000000077720000-0x00000000778C9000-memory.dmp
memory/2460-30-0x0000000003FD0000-0x0000000004E1A000-memory.dmp
memory/2920-28-0x0000000077720000-0x00000000778C9000-memory.dmp
memory/2920-29-0x00000000004A0000-0x0000000001502000-memory.dmp
memory/2920-31-0x00000000004A0000-0x00000000004E2000-memory.dmp