Analysis
- max time kernel
120s - max time network
121s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
- submitted
26/10/2024, 01:53
General
- Target 6aa4aecddd8e0ffc3b3cee5987c88d34eb7cb048cb5a42983b2b223875182bd4.exe
- Size 784KB
- Sample241026-ca61csvpfm
- SHA256 6aa4aecddd8e0ffc3b3cee5987c88d34eb7cb048cb5a42983b2b223875182bd4
Malware Config
Extracted
-
vipkeylogger
-
https://api.telegram.org/bot7500341588:AAHsqawFdC2urnq1E6blZy5E3r-OiJvH9ZA/sendMessage?chat_id=7267131103
Signatures
- Guloader family
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Vipkeylogger family
- Loads dropped DLL 1 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 Program Files directory 2 IoCs
- 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 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6aa4aecddd8e0ffc3b3cee5987c88d34eb7cb048cb5a42983b2b223875182bd4.exe"C:\Users\Admin\AppData\Local\Temp\6aa4aecddd8e0ffc3b3cee5987c88d34eb7cb048cb5a42983b2b223875182bd4.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\6aa4aecddd8e0ffc3b3cee5987c88d34eb7cb048cb5a42983b2b223875182bd4.exe"C:\Users\Admin\AppData\Local\Temp\6aa4aecddd8e0ffc3b3cee5987c88d34eb7cb048cb5a42983b2b223875182bd4.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/1088-15-0x0000000003820000-0x00000000047E3000-memory.dmp
memory/1088-16-0x00000000771C1000-0x00000000772C2000-memory.dmp
memory/1088-17-0x00000000771C0000-0x0000000077369000-memory.dmp
memory/1088-18-0x0000000003820000-0x00000000047E3000-memory.dmp
memory/2660-19-0x00000000771C0000-0x0000000077369000-memory.dmp
memory/2660-41-0x0000000000480000-0x00000000014E2000-memory.dmp
memory/2660-42-0x0000000000480000-0x00000000004C8000-memory.dmp