Analysis
- max time kernel
150s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240704-en - resource tags
- submitted
09/07/2024, 09:38
General
- Target Ungutturally.exe
- Size 457KB
- Sample240709-ll2pfsxbpj
- SHA256 d16dbafb5626e7299ec1deb1f87872b3fcd8f653c30bf99da53f5271003fe731
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 Program Files 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 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Ungutturally.exe"C:\Users\Admin\AppData\Local\Temp\Ungutturally.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Ungutturally.exe"C:\Users\Admin\AppData\Local\Temp\Ungutturally.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/32-41-0x00000000725C0000-0x0000000072D70000-memory.dmp
memory/32-38-0x0000000000480000-0x00000000004C2000-memory.dmp
memory/32-49-0x00000000725C0000-0x0000000072D70000-memory.dmp
memory/32-29-0x00000000016E0000-0x00000000021A0000-memory.dmp
memory/32-48-0x00000000725CE000-0x00000000725CF000-memory.dmp
memory/32-31-0x0000000077D08000-0x0000000077D09000-memory.dmp
memory/32-32-0x0000000077D25000-0x0000000077D26000-memory.dmp
memory/32-33-0x0000000000480000-0x00000000016D4000-memory.dmp
memory/32-34-0x0000000077C81000-0x0000000077DA1000-memory.dmp
memory/32-35-0x00000000725CE000-0x00000000725CF000-memory.dmp
memory/32-45-0x00000000359A0000-0x00000000359AA000-memory.dmp
memory/32-39-0x0000000034C00000-0x00000000351A4000-memory.dmp
memory/32-44-0x00000000358D0000-0x0000000035962000-memory.dmp
memory/32-40-0x0000000032740000-0x00000000327A6000-memory.dmp
memory/32-43-0x0000000035880000-0x00000000358D0000-memory.dmp
memory/32-42-0x00000000016E0000-0x00000000021A0000-memory.dmp
memory/4484-26-0x0000000004230000-0x0000000004CF0000-memory.dmp
memory/4484-36-0x0000000004230000-0x0000000004CF0000-memory.dmp
memory/4484-27-0x0000000077C81000-0x0000000077DA1000-memory.dmp
memory/4484-30-0x0000000004230000-0x0000000004CF0000-memory.dmp
memory/4484-28-0x0000000010004000-0x0000000010005000-memory.dmp