Analysis
-
max time kernel
30s -
max time network
18s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
02-02-2025 02:23
Static task
static1
Behavioral task
behavioral1
Sample
suwce.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
suwce.exe
Resource
win10v2004-20250129-en
General
-
Target
suwce.exe
-
Size
993KB
-
MD5
bec536220cd7d3a6e449502f08273664
-
SHA1
b102bbdefeabc2ec9c84e9fdea7afce6cacf7470
-
SHA256
471fa9a125c98decd00e727886e5ddf15da64cb1456d29b15c344c4239872167
-
SHA512
81da4936c04671a6515e59ff8c779c6e8ca68ae9e882a3ef0275784fcd95ac231e18ab5add00c12967511f4a0247037cba76588cc8bff0fceab3b13f118301c4
-
SSDEEP
24576:3AHnh+eWsN3skA4RV1Hom2KXFmIaG8KvaXu14zq5:qh+ZkldoPK1XaGmXut
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
^rtEwRy2 - Email To:
[email protected]
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-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 17 checkip.dyndns.org 20 reallyfreegeoip.org 21 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5092 set thread context of 2808 5092 suwce.exe 86 -
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 suwce.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2808 RegSvcs.exe 2808 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5092 suwce.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2808 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5092 suwce.exe 5092 suwce.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 5092 suwce.exe 5092 suwce.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5092 wrote to memory of 2808 5092 suwce.exe 86 PID 5092 wrote to memory of 2808 5092 suwce.exe 86 PID 5092 wrote to memory of 2808 5092 suwce.exe 86 PID 5092 wrote to memory of 2808 5092 suwce.exe 86 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-805940606-1861219160-370298170-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\suwce.exe"C:\Users\Admin\AppData\Local\Temp\suwce.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:5092 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\suwce.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:2808
-