Analysis
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max time kernel
117s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-11-2024 06:54
Static task
static1
Behavioral task
behavioral1
Sample
b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe
Resource
win10v2004-20241007-en
General
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Target
b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe
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Size
815KB
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MD5
4b95d663a28624b2651ef09806d6f999
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SHA1
bfb4c6ceba8957ac481083a009545ce2ab754ff0
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SHA256
b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751
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SHA512
13e2b66b940480d4173cb7cfa0c872664bc2d862d9de09a21a2bc2bbbe2a48d2f26ed73d86a0096e44e0d7ae42fc74474a37a007cac592ed3c7e79cbf4680516
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SSDEEP
24576:XsTo7do5wpkCEG9vG+3rG9SOSEHKpwsuv:A75CF9vGpHGwsG
Malware Config
Extracted
vipkeylogger
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 2776 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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe Key opened \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe Key opened \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.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 2112 set thread context of 2596 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.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 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe 2596 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe 2776 powershell.exe 2596 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe Token: SeDebugPrivilege 2596 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe Token: SeDebugPrivilege 2776 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2596 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2112 wrote to memory of 2776 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe 30 PID 2112 wrote to memory of 2776 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe 30 PID 2112 wrote to memory of 2776 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe 30 PID 2112 wrote to memory of 2776 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe 30 PID 2112 wrote to memory of 2596 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe 32 PID 2112 wrote to memory of 2596 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe 32 PID 2112 wrote to memory of 2596 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe 32 PID 2112 wrote to memory of 2596 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe 32 PID 2112 wrote to memory of 2596 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe 32 PID 2112 wrote to memory of 2596 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe 32 PID 2112 wrote to memory of 2596 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe 32 PID 2112 wrote to memory of 2596 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe 32 PID 2112 wrote to memory of 2596 2112 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe 32 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe"C:\Users\Admin\AppData\Local\Temp\b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112 -
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\b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2776
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C:\Users\Admin\AppData\Local\Temp\b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe"C:\Users\Admin\AppData\Local\Temp\b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2596
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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