Analysis
- max time kernel
107s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
08/11/2024, 15:15
General
- Target fatura.exe
- Size 929KB
- Sample241108-smwcdsvbkb
- SHA256 ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903
Malware Config
Extracted
-
vipkeylogger
-
https://api.telegram.org/bot6820629737:AAGJ8tOkoD9jFHkd_L1kG1ntQ1J6zLhFsMc/sendMessage?chat_id=6783205225
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Vipkeylogger family
- Drops startup file 1 IoCs
- Executes dropped EXE 2 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.
- AutoIT Executable 6 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 1 IoCs
- UPX packed file 9 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fatura.exe"C:\Users\Admin\AppData\Local\Temp\fatura.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Keily\murkest.exe"C:\Users\Admin\AppData\Local\Temp\fatura.exe"2⤵
- Drops startup file
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\fatura.exe"3⤵
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C:\Users\Admin\AppData\Local\Keily\murkest.exe"C:\Users\Admin\AppData\Local\Keily\murkest.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Keily\murkest.exe"4⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
murkest.exe
memory/1592-17-0x0000000000D60000-0x0000000000F5D000-memory.dmp
memory/1592-22-0x0000000000D60000-0x0000000000F5D000-memory.dmp
memory/1592-24-0x0000000000D60000-0x0000000000F5D000-memory.dmp
memory/2004-0-0x00000000005C0000-0x00000000007BD000-memory.dmp
memory/2004-3-0x0000000000D80000-0x0000000001180000-memory.dmp
memory/2004-9-0x00000000005C0000-0x00000000007BD000-memory.dmp
memory/2436-7-0x0000000000D60000-0x0000000000F5D000-memory.dmp
memory/2436-14-0x0000000000D60000-0x0000000000F5D000-memory.dmp
memory/2436-18-0x0000000000D60000-0x0000000000F5D000-memory.dmp
memory/3880-74-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-60-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-26-0x0000000000400000-0x0000000000441000-memory.dmp
memory/3880-27-0x0000000000400000-0x0000000000441000-memory.dmp
memory/3880-28-0x0000000002800000-0x0000000002860000-memory.dmp
memory/3880-29-0x00000000056C0000-0x0000000005C64000-memory.dmp
memory/3880-30-0x0000000005050000-0x00000000050AE000-memory.dmp
memory/3880-70-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-78-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-88-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-86-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-84-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-82-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-80-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-76-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-23-0x0000000000400000-0x0000000000441000-memory.dmp
memory/3880-72-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-68-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-66-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-64-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-62-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-25-0x0000000000400000-0x0000000000441000-memory.dmp
memory/3880-58-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-56-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-54-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-52-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-50-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-48-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-46-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-42-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-40-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-38-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-36-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-34-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-1123-0x00000000051B0000-0x000000000524C000-memory.dmp
memory/3880-44-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-32-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-31-0x0000000005050000-0x00000000050A8000-memory.dmp
memory/3880-1124-0x0000000006600000-0x00000000067C2000-memory.dmp
memory/3880-1125-0x0000000006480000-0x00000000064D0000-memory.dmp
memory/3880-1126-0x0000000006D00000-0x000000000722C000-memory.dmp
memory/3880-1127-0x0000000000400000-0x0000000000441000-memory.dmp
memory/3880-1128-0x0000000006870000-0x0000000006902000-memory.dmp
memory/3880-1129-0x00000000067D0000-0x00000000067DA000-memory.dmp