Analysis
- max time kernel
146s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
18/10/2024, 13:03
General
- Target Wuerth_factura_4052073226..exe
- Size 1.0MB
- Sample241018-qaccms1arr
- SHA256 4447fbf1066bc4f640abff84fcac04d0c86664f9823410348a36c280ac80e26d
Malware Config
Extracted
-
vipkeylogger
-
https://api.telegram.org/bot7777204705:AAGdGJgXaEaWvE6yXv7RvWYjJkTQCsiDnJc/sendMessage?chat_id=7698865320
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Loads dropped DLL 1 IoCs
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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
- Drops file in Windows directory 2 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\Wuerth_factura_4052073226..exe"C:\Users\Admin\AppData\Local\Temp\Wuerth_factura_4052073226..exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Wuerth_factura_4052073226..exe"C:\Users\Admin\AppData\Local\Temp\Wuerth_factura_4052073226..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
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/456-30-0x00000000007F0000-0x0000000000838000-memory.dmp
memory/456-31-0x00000000397A0000-0x0000000039D44000-memory.dmp
memory/456-41-0x000000003A5F0000-0x000000003A5FA000-memory.dmp
memory/456-40-0x000000003A520000-0x000000003A5B2000-memory.dmp
memory/456-13-0x0000000077E05000-0x0000000077E06000-memory.dmp
memory/456-26-0x00000000007F0000-0x0000000001A44000-memory.dmp
memory/456-27-0x00000000007F0000-0x0000000001A44000-memory.dmp
memory/456-28-0x0000000077D61000-0x0000000077E81000-memory.dmp
memory/456-38-0x0000000072C50000-0x0000000073400000-memory.dmp
memory/456-29-0x0000000072C5E000-0x0000000072C5F000-memory.dmp
memory/456-12-0x0000000077DE8000-0x0000000077DE9000-memory.dmp
memory/456-32-0x00000000374B0000-0x000000003754C000-memory.dmp
memory/456-33-0x0000000072C50000-0x0000000073400000-memory.dmp
memory/456-35-0x000000003A290000-0x000000003A452000-memory.dmp
memory/456-36-0x000000003A460000-0x000000003A4B0000-memory.dmp
memory/456-37-0x0000000072C5E000-0x0000000072C5F000-memory.dmp
memory/1132-11-0x0000000010004000-0x0000000010005000-memory.dmp
memory/1132-9-0x0000000077D61000-0x0000000077E81000-memory.dmp
memory/1132-10-0x0000000077D61000-0x0000000077E81000-memory.dmp