Analysis
-
max time kernel
108s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2024 09:55
Static task
static1
Behavioral task
behavioral1
Sample
gvvhbjnjuhugyftdrsesdtguiop.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
gvvhbjnjuhugyftdrsesdtguiop.exe
Resource
win10v2004-20241007-en
General
-
Target
gvvhbjnjuhugyftdrsesdtguiop.exe
-
Size
1.0MB
-
MD5
846c416864708d053b2bbc6b2612bdd5
-
SHA1
1f32ba4e6694efbf7cff1acfc816cd4588e32266
-
SHA256
3fc9216b8a01a87098877cf7ddd15deab038a03502884da4f97857055471be83
-
SHA512
cc24eed9b37a1378feee7c68d391e927fd23ed35978903822ea85bb162c1aed6901907c34c49f9c04beb1417199ebf8b21f4c0a138d0a83d0c08db9d81a2c102
-
SSDEEP
24576:Vtb20pkaCqT5TBWgNQ7avVdxWrcHxAPdr66A:GVg5tQ7avV/HSPdO5
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7157329086:AAGOsSc2V0wvMRyvFFXhUVN6YYkkxDpjHDU/sendMessage?chat_id=7337843299
Signatures
-
VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
-
Vipkeylogger family
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 13 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 676 set thread context of 3904 676 gvvhbjnjuhugyftdrsesdtguiop.exe 83 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gvvhbjnjuhugyftdrsesdtguiop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3904 RegSvcs.exe 3904 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 676 gvvhbjnjuhugyftdrsesdtguiop.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3904 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 676 gvvhbjnjuhugyftdrsesdtguiop.exe 676 gvvhbjnjuhugyftdrsesdtguiop.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 676 gvvhbjnjuhugyftdrsesdtguiop.exe 676 gvvhbjnjuhugyftdrsesdtguiop.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 676 wrote to memory of 3904 676 gvvhbjnjuhugyftdrsesdtguiop.exe 83 PID 676 wrote to memory of 3904 676 gvvhbjnjuhugyftdrsesdtguiop.exe 83 PID 676 wrote to memory of 3904 676 gvvhbjnjuhugyftdrsesdtguiop.exe 83 PID 676 wrote to memory of 3904 676 gvvhbjnjuhugyftdrsesdtguiop.exe 83 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\gvvhbjnjuhugyftdrsesdtguiop.exe"C:\Users\Admin\AppData\Local\Temp\gvvhbjnjuhugyftdrsesdtguiop.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:676 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\gvvhbjnjuhugyftdrsesdtguiop.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3904
-