Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
17/08/2024, 01:39
General
- Target be097d80233fd20b30cdacd88fbb4baef2ceabc7e45daead33b675ff4dcc4005.exe
- Size 590KB
- Sample240817-b2zvpatapn
- SHA256 be097d80233fd20b30cdacd88fbb4baef2ceabc7e45daead33b675ff4dcc4005
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Loads dropped DLL 7 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.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- 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 WriteProcessMemory 5 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\be097d80233fd20b30cdacd88fbb4baef2ceabc7e45daead33b675ff4dcc4005.exe"C:\Users\Admin\AppData\Local\Temp\be097d80233fd20b30cdacd88fbb4baef2ceabc7e45daead33b675ff4dcc4005.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\windows mail\wab.exe"C:\Users\Admin\AppData\Local\Temp\be097d80233fd20b30cdacd88fbb4baef2ceabc7e45daead33b675ff4dcc4005.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- 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
LangDLL.dll
System.dll
strikkernes.lnk
memory/1088-47-0x00000000045D0000-0x0000000006D65000-memory.dmp
memory/1088-34-0x00000000045D0000-0x0000000006D65000-memory.dmp
memory/1088-35-0x00000000045D0000-0x0000000006D65000-memory.dmp
memory/1088-36-0x0000000077161000-0x0000000077281000-memory.dmp
memory/1088-37-0x0000000077161000-0x0000000077281000-memory.dmp
memory/1088-38-0x0000000073FC5000-0x0000000073FC6000-memory.dmp
memory/4180-39-0x0000000001DC0000-0x0000000004555000-memory.dmp
memory/4180-44-0x0000000000B60000-0x0000000000BAA000-memory.dmp
memory/4180-45-0x0000000036810000-0x0000000036DB4000-memory.dmp
memory/4180-46-0x0000000036170000-0x000000003620C000-memory.dmp
memory/4180-43-0x0000000000B60000-0x0000000001DB4000-memory.dmp
memory/4180-49-0x0000000001DC0000-0x0000000004555000-memory.dmp
memory/4180-51-0x0000000036F90000-0x0000000037152000-memory.dmp
memory/4180-52-0x0000000036730000-0x0000000036780000-memory.dmp
memory/4180-54-0x0000000036E60000-0x0000000036EF2000-memory.dmp
memory/4180-55-0x0000000036DC0000-0x0000000036DCA000-memory.dmp