Analysis
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max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04/11/2024, 04:40
Static task
static1
Behavioral task
behavioral1
Sample
4b68371dba131b97f5bce58054f59684.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4b68371dba131b97f5bce58054f59684.exe
Resource
win10v2004-20241007-en
General
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Target
4b68371dba131b97f5bce58054f59684.exe
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Size
834KB
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MD5
4b68371dba131b97f5bce58054f59684
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SHA1
0e4a34a65ff81594361188766039c1f2fa4c366a
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SHA256
66c525114240093bc408138d4c93c51e7c09a235e183fca73ee66ebd150e4fe1
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SHA512
898e2f9772146bd72934719e9b56ef40ecfb33e30a59ba1a911e2c14eb4feafab92ce68cfcd32f66ee05d7a34db58d3314e34045e038c3f0e1f6ca1b57066e20
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SSDEEP
12288:NaghZfmczzHzEn9k64vvAJyBJUwrh2YofbU2hHyMj1QEIl7:cg/fVHzEnvDCJTKvSMSEI
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.covid19support.top - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@@ - 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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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2656 powershell.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4b68371dba131b97f5bce58054f59684.exe Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4b68371dba131b97f5bce58054f59684.exe Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4b68371dba131b97f5bce58054f59684.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 2648 set thread context of 2568 2648 4b68371dba131b97f5bce58054f59684.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 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 4b68371dba131b97f5bce58054f59684.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4b68371dba131b97f5bce58054f59684.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2568 4b68371dba131b97f5bce58054f59684.exe 2656 powershell.exe 2568 4b68371dba131b97f5bce58054f59684.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2568 4b68371dba131b97f5bce58054f59684.exe Token: SeDebugPrivilege 2656 powershell.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2648 wrote to memory of 2656 2648 4b68371dba131b97f5bce58054f59684.exe 30 PID 2648 wrote to memory of 2656 2648 4b68371dba131b97f5bce58054f59684.exe 30 PID 2648 wrote to memory of 2656 2648 4b68371dba131b97f5bce58054f59684.exe 30 PID 2648 wrote to memory of 2656 2648 4b68371dba131b97f5bce58054f59684.exe 30 PID 2648 wrote to memory of 2568 2648 4b68371dba131b97f5bce58054f59684.exe 32 PID 2648 wrote to memory of 2568 2648 4b68371dba131b97f5bce58054f59684.exe 32 PID 2648 wrote to memory of 2568 2648 4b68371dba131b97f5bce58054f59684.exe 32 PID 2648 wrote to memory of 2568 2648 4b68371dba131b97f5bce58054f59684.exe 32 PID 2648 wrote to memory of 2568 2648 4b68371dba131b97f5bce58054f59684.exe 32 PID 2648 wrote to memory of 2568 2648 4b68371dba131b97f5bce58054f59684.exe 32 PID 2648 wrote to memory of 2568 2648 4b68371dba131b97f5bce58054f59684.exe 32 PID 2648 wrote to memory of 2568 2648 4b68371dba131b97f5bce58054f59684.exe 32 PID 2648 wrote to memory of 2568 2648 4b68371dba131b97f5bce58054f59684.exe 32 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4b68371dba131b97f5bce58054f59684.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4b68371dba131b97f5bce58054f59684.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4b68371dba131b97f5bce58054f59684.exe"C:\Users\Admin\AppData\Local\Temp\4b68371dba131b97f5bce58054f59684.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\4b68371dba131b97f5bce58054f59684.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2656
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C:\Users\Admin\AppData\Local\Temp\4b68371dba131b97f5bce58054f59684.exe"C:\Users\Admin\AppData\Local\Temp\4b68371dba131b97f5bce58054f59684.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:2568
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2