Analysis
- max time kernel
142s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
27/07/2023, 16:40
General
- Target wzzz.exe
- Size 539KB
- Sample230727-t6j9xagh21
- SHA256 28ebfe1088917fbda534cfe2a4c39b4a669addec7bbd42a74f232e92283c4341
Malware Config
Signatures
- Loads dropped DLL 1 IoCs
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 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 4 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\wzzz.exe"C:\Users\Admin\AppData\Local\Temp\wzzz.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\wzzz.exe"C:\Users\Admin\AppData\Local\Temp\wzzz.exe"2⤵
- Accesses Microsoft Outlook profiles
- 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
xoxeqrms.dll
memory/2268-145-0x0000000004B30000-0x0000000004B40000-memory.dmp
memory/2268-148-0x0000000004A60000-0x0000000004AC6000-memory.dmp
memory/2268-140-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2268-141-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2268-142-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2268-143-0x0000000075190000-0x0000000075940000-memory.dmp
memory/2268-144-0x0000000004B30000-0x0000000004B40000-memory.dmp
memory/2268-156-0x0000000004B30000-0x0000000004B40000-memory.dmp
memory/2268-139-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2268-146-0x0000000004B40000-0x00000000050E4000-memory.dmp
memory/2268-147-0x0000000004B30000-0x0000000004B40000-memory.dmp
memory/2268-149-0x0000000005710000-0x0000000005760000-memory.dmp
memory/2268-150-0x0000000005760000-0x00000000057F2000-memory.dmp
memory/2268-151-0x0000000005860000-0x000000000586A000-memory.dmp
memory/2268-152-0x0000000075190000-0x0000000075940000-memory.dmp
memory/2268-153-0x0000000004B30000-0x0000000004B40000-memory.dmp
memory/2268-155-0x0000000004B30000-0x0000000004B40000-memory.dmp
memory/3524-138-0x0000000002460000-0x0000000002462000-memory.dmp