Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
109s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27/01/2025, 09:16
Static task
static1
Behavioral task
behavioral1
Sample
Full_Appointment_Letter_USB-242763-1.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Full_Appointment_Letter_USB-242763-1.exe
Resource
win10v2004-20241007-en
General
-
Target
Full_Appointment_Letter_USB-242763-1.exe
-
Size
2.1MB
-
MD5
6bc20e5ed44e1066da7fc73389f5d17c
-
SHA1
e325da9c13eab71108e6186b3aa882ae700ac9ae
-
SHA256
97ae9be9adccb73c914747845b70887802a0a3d0bee383087fa468f4aa6ab73f
-
SHA512
af8d479d240c91035b0b69bc0971d1e88549e74e8d33a24f3cdea7e05cd292627049086c1831991e1152d25e638bd461b58923064226ada31c494d4dc432205a
-
SSDEEP
24576:BTyteSo4vLHAsZwI+4Q8V2wsebxfKFZ/6jgc1XYFaqouVn1s/eoX98i4H4444C:Y4H4444C
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7132042003:AAEUjvsVU50Hz9XUAuvfwzlp9oFWBYujQFI/sendMessage?chat_id=7048896986
Signatures
-
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 4388 created 3440 4388 Full_Appointment_Letter_USB-242763-1.exe 56 -
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
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ExceptionMessage.vbs Full_Appointment_Letter_USB-242763-1.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 15 checkip.dyndns.org 17 reallyfreegeoip.org 18 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4388 set thread context of 1660 4388 Full_Appointment_Letter_USB-242763-1.exe 84 -
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 Full_Appointment_Letter_USB-242763-1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 4388 Full_Appointment_Letter_USB-242763-1.exe 4388 Full_Appointment_Letter_USB-242763-1.exe 4388 Full_Appointment_Letter_USB-242763-1.exe 1660 InstallUtil.exe 1660 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4388 Full_Appointment_Letter_USB-242763-1.exe Token: SeDebugPrivilege 4388 Full_Appointment_Letter_USB-242763-1.exe Token: SeDebugPrivilege 1660 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4388 wrote to memory of 1660 4388 Full_Appointment_Letter_USB-242763-1.exe 84 PID 4388 wrote to memory of 1660 4388 Full_Appointment_Letter_USB-242763-1.exe 84 PID 4388 wrote to memory of 1660 4388 Full_Appointment_Letter_USB-242763-1.exe 84 PID 4388 wrote to memory of 1660 4388 Full_Appointment_Letter_USB-242763-1.exe 84 PID 4388 wrote to memory of 1660 4388 Full_Appointment_Letter_USB-242763-1.exe 84 PID 4388 wrote to memory of 1660 4388 Full_Appointment_Letter_USB-242763-1.exe 84 PID 4388 wrote to memory of 1660 4388 Full_Appointment_Letter_USB-242763-1.exe 84 PID 4388 wrote to memory of 1660 4388 Full_Appointment_Letter_USB-242763-1.exe 84 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3440
-
C:\Users\Admin\AppData\Local\Temp\Full_Appointment_Letter_USB-242763-1.exe"C:\Users\Admin\AppData\Local\Temp\Full_Appointment_Letter_USB-242763-1.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4388
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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:1660
-