Analysis
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max time kernel
145s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31/10/2024, 13:59
Static task
static1
Behavioral task
behavioral1
Sample
81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe
Resource
win10v2004-20241007-en
General
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Target
81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe
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Size
3.0MB
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MD5
9e1f6833062853fe34cf620511b08662
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SHA1
9f409adb2ddc3a06f1b73b888d6649d4bdaddee7
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SHA256
81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac
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SHA512
f336d99d4adcf640584d6cd72293d10bc2372d66e9e254f9f1dc17208e8ca8305f7d27522639b75cd527ee407dcf7adae64c2920e4d7921018ab9099ad2c7bd5
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SSDEEP
12288:bRW0lR858YtZX9UVJd+ihYsZJQM9ZLCIyEaSs3Wuk7WtbQw0QLcVG7xMHZ:bRW0lPWZG9Pjdtv+3WdUd0Y5xsZ
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7580957702:AAF09QqagTzh-M7zSCZovqxkmwhkdAGG1yI/sendMessage?chat_id=7105655241
Signatures
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msbuild.exe Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msbuild.exe Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msbuild.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2408 set thread context of 4964 2408 81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe 85 -
System Location Discovery: System Language Discovery 1 TTPs 1 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 msbuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4964 msbuild.exe 4964 msbuild.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2408 81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe Token: SeDebugPrivilege 4964 msbuild.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2408 wrote to memory of 4964 2408 81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe 85 PID 2408 wrote to memory of 4964 2408 81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe 85 PID 2408 wrote to memory of 4964 2408 81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe 85 PID 2408 wrote to memory of 4964 2408 81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe 85 PID 2408 wrote to memory of 4964 2408 81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe 85 PID 2408 wrote to memory of 4964 2408 81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe 85 PID 2408 wrote to memory of 4964 2408 81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe 85 PID 2408 wrote to memory of 4964 2408 81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe 85 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msbuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msbuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe"C:\Users\Admin\AppData\Local\Temp\81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2408 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.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:4964
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