Analysis
- max time kernel
121s - max time network
122s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
05/03/2024, 04:46
General
- Target b3d0b8c065ad75dfd646829bc7c87735.exe
- Size 67KB
- Sample240305-fedfdsfd76
- SHA256 61560f470822a249950e3d35574aae0ee9c93da31c1fd6f001c0cec97069a4fb
Malware Config
Signatures
- A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
- A310logger Executable 1 IoCs
- Executes dropped EXE 1 IoCs
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Modifies system certificate store 2 TTPs 6 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b3d0b8c065ad75dfd646829bc7c87735.exe"C:\Users\Admin\AppData\Local\Temp\b3d0b8c065ad75dfd646829bc7c87735.exe"1⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
94308059B57B3142E455B38A6EB92015
94308059B57B3142E455B38A6EB92015
Cab2889.tmp
Tar2A06.tmp
MZ.exe
memory/1996-75-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp
memory/1996-76-0x0000000000C00000-0x0000000000C80000-memory.dmp
memory/1996-77-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp
memory/1996-80-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp
memory/2016-3-0x0000000000A80000-0x0000000000B00000-memory.dmp
memory/2016-2-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp
memory/2016-1-0x0000000000A80000-0x0000000000B00000-memory.dmp
memory/2016-0-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp
memory/2016-81-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp