Analysis
- max time kernel
292s - max time network
260s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
05/11/2024, 14:51
General
- Target Quotation.exe
- Size 1.1MB
- Sample241105-r76hesvrfr
- SHA256 648ee80543d70f070c497309e4c7ce090254374da938799074de93bdaafaff5a
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.showpiece.trillennium.biz
-
Port
587
-
Username
-
Password
3KJ[T.3]fsSW
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- 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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
- Looks up external IP address via web service 2 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 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 SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Quotation.exe"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Quotation.exe"C:\Users\Admin\AppData\Local\Temp\Quotation.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 SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/432-39-0x00000000377C0000-0x0000000037D64000-memory.dmp
memory/432-18-0x0000000001A80000-0x00000000049DE000-memory.dmp
memory/432-22-0x0000000000820000-0x0000000001A74000-memory.dmp
memory/432-23-0x0000000001A80000-0x00000000049DE000-memory.dmp
memory/432-37-0x0000000000820000-0x0000000001A74000-memory.dmp
memory/432-38-0x0000000000820000-0x0000000000860000-memory.dmp
memory/432-40-0x0000000037E70000-0x0000000037ED6000-memory.dmp
memory/432-41-0x0000000038570000-0x00000000385C0000-memory.dmp
memory/432-42-0x00000000385C0000-0x0000000038652000-memory.dmp
memory/432-43-0x0000000038820000-0x000000003882A000-memory.dmp
memory/4960-16-0x0000000077301000-0x0000000077421000-memory.dmp
memory/4960-17-0x0000000004F80000-0x0000000007EDE000-memory.dmp
memory/4960-15-0x0000000004F80000-0x0000000007EDE000-memory.dmp