Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240704-en - resource tags
- submitted
05/07/2024, 16:55
General
- Target 5543a995a7f45599c76eba74e6856200fad7a026f74b8c5643c78221e48d3f75.exe
- Size 356KB
- Sample240705-vfegeasbjk
- SHA256 5543a995a7f45599c76eba74e6856200fad7a026f74b8c5643c78221e48d3f75
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
- 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\5543a995a7f45599c76eba74e6856200fad7a026f74b8c5643c78221e48d3f75.exe"C:\Users\Admin\AppData\Local\Temp\5543a995a7f45599c76eba74e6856200fad7a026f74b8c5643c78221e48d3f75.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\5543a995a7f45599c76eba74e6856200fad7a026f74b8c5643c78221e48d3f75.exe"C:\Users\Admin\AppData\Local\Temp\5543a995a7f45599c76eba74e6856200fad7a026f74b8c5643c78221e48d3f75.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
App.ini
System.dll
memory/2560-32-0x0000000034FB0000-0x0000000035554000-memory.dmp
memory/2560-31-0x0000000000470000-0x00000000004B2000-memory.dmp
memory/2560-40-0x00000000779C1000-0x0000000077AE1000-memory.dmp
memory/2560-25-0x00000000016D0000-0x0000000002690000-memory.dmp
memory/2560-26-0x0000000077A48000-0x0000000077A49000-memory.dmp
memory/2560-27-0x0000000077A65000-0x0000000077A66000-memory.dmp
memory/2560-28-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/2560-30-0x00000000779C1000-0x0000000077AE1000-memory.dmp
memory/2560-38-0x00000000016D0000-0x0000000002690000-memory.dmp
memory/2560-36-0x0000000035E90000-0x0000000035E9A000-memory.dmp
memory/2560-35-0x0000000035DC0000-0x0000000035E52000-memory.dmp
memory/2560-33-0x0000000034E40000-0x0000000034EA6000-memory.dmp
memory/2560-34-0x0000000035D70000-0x0000000035DC0000-memory.dmp
memory/3796-22-0x0000000004A10000-0x00000000059D0000-memory.dmp
memory/3796-23-0x00000000779C1000-0x0000000077AE1000-memory.dmp
memory/3796-29-0x0000000004A10000-0x00000000059D0000-memory.dmp
memory/3796-24-0x0000000074825000-0x0000000074826000-memory.dmp