Analysis
- max time kernel
141s - max time network
122s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
16/10/2024, 05:37
General
- Target d356e576ddb8d4268bd6b15175273d3f445ae8a923b3b2efb3f5231515da2f5f.exe
- Size 917KB
- Sample241016-gbfa9azbll
- SHA256 d356e576ddb8d4268bd6b15175273d3f445ae8a923b3b2efb3f5231515da2f5f
Malware Config
Signatures
- Drops startup file 1 IoCs
- Executes dropped EXE 1 IoCs
- 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.
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d356e576ddb8d4268bd6b15175273d3f445ae8a923b3b2efb3f5231515da2f5f.exe"C:\Users\Admin\AppData\Local\Temp\d356e576ddb8d4268bd6b15175273d3f445ae8a923b3b2efb3f5231515da2f5f.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe"C:\Users\Admin\AppData\Local\Temp\d356e576ddb8d4268bd6b15175273d3f445ae8a923b3b2efb3f5231515da2f5f.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\d356e576ddb8d4268bd6b15175273d3f445ae8a923b3b2efb3f5231515da2f5f.exe"3⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Lymnaeidae.exe
memory/924-10-0x0000000003F40000-0x0000000004340000-memory.dmp
memory/1660-14-0x00000000056F0000-0x0000000005C94000-memory.dmp
memory/1660-12-0x0000000000400000-0x000000000041E000-memory.dmp
memory/1660-13-0x0000000074FFE000-0x0000000074FFF000-memory.dmp
memory/1660-15-0x0000000005140000-0x00000000051DC000-memory.dmp
memory/1660-16-0x0000000074FF0000-0x00000000757A0000-memory.dmp
memory/1660-17-0x00000000061F0000-0x0000000006240000-memory.dmp
memory/1660-18-0x0000000006610000-0x00000000067D2000-memory.dmp
memory/1660-19-0x0000000006520000-0x00000000065B2000-memory.dmp
memory/1660-20-0x0000000006510000-0x000000000651A000-memory.dmp
memory/1660-21-0x0000000074FFE000-0x0000000074FFF000-memory.dmp
memory/1660-22-0x0000000074FF0000-0x00000000757A0000-memory.dmp
memory/3892-2-0x0000000004050000-0x0000000004250000-memory.dmp