Analysis
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max time kernel
119s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25/02/2025, 02:59
Static task
static1
Behavioral task
behavioral1
Sample
b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe
Resource
win10v2004-20250217-en
General
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Target
b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe
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Size
766KB
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MD5
245c4d3a899092760b21b3bd44d3aca2
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SHA1
0e36e09bfae68d6ba5a671668eccfd2ded99c776
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SHA256
b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea
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SHA512
a2c627adea14bd687915a48e47529635f58625529f12af3766177683ff73fe681b26c0d33ff3f6722fe201c6d34cd71da3304f3143891a9e058ed9d03916f4af
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SSDEEP
12288:0Mr8I0MdYeXY/e1ApfXEnCTzX75mkIQIadeBYilF3YDHFBSukOS19gC76sgFAjku:0MrbxRqfXZ75m16emiX3OlBSuaJLsord
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7305300476:AAEUtST2qu1J2LKdbC6Wuf8pKunuBNKtYtk/sendMessage?chat_id=6750192797
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 2940 powershell.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.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 4 checkip.dyndns.org 8 reallyfreegeoip.org 9 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2760 set thread context of 1256 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 34 -
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 4 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2604 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 1256 MSBuild.exe 2940 powershell.exe 1256 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe Token: SeDebugPrivilege 1256 MSBuild.exe Token: SeDebugPrivilege 2940 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2760 wrote to memory of 2940 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 30 PID 2760 wrote to memory of 2940 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 30 PID 2760 wrote to memory of 2940 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 30 PID 2760 wrote to memory of 2940 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 30 PID 2760 wrote to memory of 2604 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 32 PID 2760 wrote to memory of 2604 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 32 PID 2760 wrote to memory of 2604 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 32 PID 2760 wrote to memory of 2604 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 32 PID 2760 wrote to memory of 1256 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 34 PID 2760 wrote to memory of 1256 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 34 PID 2760 wrote to memory of 1256 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 34 PID 2760 wrote to memory of 1256 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 34 PID 2760 wrote to memory of 1256 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 34 PID 2760 wrote to memory of 1256 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 34 PID 2760 wrote to memory of 1256 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 34 PID 2760 wrote to memory of 1256 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 34 PID 2760 wrote to memory of 1256 2760 b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe 34 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe"C:\Users\Admin\AppData\Local\Temp\b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NjlsFpztigKJe.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2940
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NjlsFpztigKJe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8018.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2604
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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:1256
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5082291965faf50dfd6306fa4b8f7d153
SHA10c8ef6d5e3665fd8268e2ee66dd67ad278c5f65d
SHA2564be3df1ba3aa3266508f09f54311ef60e8b760504affa2c5a45b53bceabae4ee
SHA5121d7631997caf5bb6f45887bd88bcbfd27dd5e268db09a71ebdb3d2871a5e7d8e104ac1ce0eab0731e3507445410c92e651acf0e11f26b7d3414a0dc988db3ba2