Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
29-01-2025 16:00
Static task
static1
Behavioral task
behavioral1
Sample
-5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
-5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe
Resource
win10v2004-20241007-en
General
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Target
-5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe
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Size
195KB
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MD5
4fcf27b194d0997483c980ad25f1683d
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SHA1
e131dc4b02849d099b277c0af6fba06ac4d11c61
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SHA256
ff990e6b4e079e037ebae5a9fc969b48e9d10f49bbf9022a2b8d9aeae6e34f7c
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SHA512
78cb6bf0f768a42f8a403c2e0d624f6dcc9226ef67175b6ea1cbb56d405457d181a9959e4bead79cfc91392a5762c3cfd8d3f726e6202ac7ba6939e7ad5f4f1b
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SSDEEP
6144:xCvif6qyi8k+aL8P6MOMNzGuaqNdZ379ex+TueS:xkiA6GzG3v+69
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7706553173:AAGUylkmi091gvfpwsORBj1aZWexb0cAd6Y/sendMessage?chat_id=5302361040
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 3140 created 3568 3140 -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe 56 -
VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Vipkeylogger family
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IsInvalid.vbs -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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 20 checkip.dyndns.org 24 reallyfreegeoip.org 26 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3140 set thread context of 264 3140 -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe 89 -
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 -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3140 -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe 3140 -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe 3140 -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe 264 InstallUtil.exe 264 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3140 -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe Token: SeDebugPrivilege 3140 -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe Token: SeDebugPrivilege 264 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3140 wrote to memory of 264 3140 -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe 89 PID 3140 wrote to memory of 264 3140 -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe 89 PID 3140 wrote to memory of 264 3140 -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe 89 PID 3140 wrote to memory of 264 3140 -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe 89 PID 3140 wrote to memory of 264 3140 -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe 89 PID 3140 wrote to memory of 264 3140 -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe 89 PID 3140 wrote to memory of 264 3140 -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe 89 PID 3140 wrote to memory of 264 3140 -5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe 89 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3568
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C:\Users\Admin\AppData\Local\Temp\-5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.exe"C:\Users\Admin\AppData\Local\Temp\-5kOa04HngN_uuWp-JabSOnRD0m7_QIqK42a6ubjT3w.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:3140
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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:264
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