Analysis
- max time kernel
120s - max time network
120s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
- submitted
12/11/2024, 02:21
General
- Target 535d29bedc8c720ed7daaeb5e8d79c650b21664d72bad77106eb518975be223b.exe
- Size 573KB
- Sample241112-ctfbravrdn
- SHA256 535d29bedc8c720ed7daaeb5e8d79c650b21664d72bad77106eb518975be223b
Malware Config
Extracted
-
vipkeylogger
-
https://api.telegram.org/bot8148338634:AAFvLNrhxaF7bMPzQMLbUnueRMJvDIi5kcU/sendMessage?chat_id=7698865320
Signatures
- 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
- 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\535d29bedc8c720ed7daaeb5e8d79c650b21664d72bad77106eb518975be223b.exe"C:\Users\Admin\AppData\Local\Temp\535d29bedc8c720ed7daaeb5e8d79c650b21664d72bad77106eb518975be223b.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:\Users\Admin\AppData\Local\Temp\535d29bedc8c720ed7daaeb5e8d79c650b21664d72bad77106eb518975be223b.exe"C:\Users\Admin\AppData\Local\Temp\535d29bedc8c720ed7daaeb5e8d79c650b21664d72bad77106eb518975be223b.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/1016-12-0x00000000774E1000-0x00000000775E2000-memory.dmp
memory/1016-13-0x00000000774E0000-0x0000000077689000-memory.dmp
memory/2716-14-0x00000000774E0000-0x0000000077689000-memory.dmp
memory/2716-15-0x0000000000460000-0x00000000014C2000-memory.dmp
memory/2716-35-0x0000000000460000-0x00000000014C2000-memory.dmp
memory/2716-36-0x0000000000460000-0x00000000004A8000-memory.dmp