Analysis
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max time kernel
118s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20250410-en -
resource tags
arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system -
submitted
14/04/2025, 06:39
Static task
static1
Behavioral task
behavioral1
Sample
SC INSTRUCTION INVOICE.exe
Resource
win10v2004-20250410-en
General
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Target
SC INSTRUCTION INVOICE.exe
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Size
1.0MB
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MD5
b45df79655f1d3f12ee75d440f5b0202
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SHA1
2a9433415f33855946993f2269567dc8a77079d6
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SHA256
664816d292abbaafa018c7ef1991f256b5c9e14d2337259f722838fe534c6a52
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SHA512
248d9837a100d4cd39032a0d8d6122d303762bba1d09b2568a4b89dde17007dbae8848d7b93552a1dd0d5d2c9fc7e3079662a8cfee7ed192fd8fd7a2705067a8
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SSDEEP
24576:5Bx339q99MY+LJ0qp36bhTcfhfGiOm8eVZOzCaGsmtBT:3h499MYmJ0OUhw8Re2mNDT
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.iaa-airferight.com - Port:
25 - Username:
[email protected] - Password:
moneyismade22 - Email To:
[email protected]
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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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IsInvalid.vbs SC INSTRUCTION INVOICE.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2362875047-775336530-2205312478-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2362875047-775336530-2205312478-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2362875047-775336530-2205312478-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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 23 reallyfreegeoip.org 20 checkip.dyndns.org 22 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3492 set thread context of 4684 3492 SC INSTRUCTION INVOICE.exe 91 -
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 SC INSTRUCTION INVOICE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4684 InstallUtil.exe 4684 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3492 SC INSTRUCTION INVOICE.exe Token: SeDebugPrivilege 3492 SC INSTRUCTION INVOICE.exe Token: SeDebugPrivilege 4684 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3492 wrote to memory of 4684 3492 SC INSTRUCTION INVOICE.exe 91 PID 3492 wrote to memory of 4684 3492 SC INSTRUCTION INVOICE.exe 91 PID 3492 wrote to memory of 4684 3492 SC INSTRUCTION INVOICE.exe 91 PID 3492 wrote to memory of 4684 3492 SC INSTRUCTION INVOICE.exe 91 PID 3492 wrote to memory of 4684 3492 SC INSTRUCTION INVOICE.exe 91 PID 3492 wrote to memory of 4684 3492 SC INSTRUCTION INVOICE.exe 91 PID 3492 wrote to memory of 4684 3492 SC INSTRUCTION INVOICE.exe 91 PID 3492 wrote to memory of 4684 3492 SC INSTRUCTION INVOICE.exe 91 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2362875047-775336530-2205312478-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2362875047-775336530-2205312478-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SC INSTRUCTION INVOICE.exe"C:\Users\Admin\AppData\Local\Temp\SC INSTRUCTION INVOICE.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3492 -
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:4684
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