Analysis
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max time kernel
121s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02-02-2025 22:55
Static task
static1
Behavioral task
behavioral1
Sample
IMAG_00958_885758_.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
IMAG_00958_885758_.exe
Resource
win10v2004-20250129-en
General
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Target
IMAG_00958_885758_.exe
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Size
1.2MB
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MD5
a5956a0bd4e775a24f37a8aec90f298c
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SHA1
ca31450f5809e212efb6c8036b5d1e974fcaa34e
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SHA256
dad545332098b6ac9a495579eec0908008903ecfb86365eff0711b3d93bdd4da
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SHA512
38e56810020c455634c8143bafe08c34f09f1994a18796a24b1b6ef33728062d7a9c4ecfb573b57a7c284817448f8b3ff45cdd1b54bf5babf9507e097703f58a
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SSDEEP
24576:OA9km6k/IwRYbiBeKGC3Ttf4CVmOdorsVRmUq83:f9sk/IRUnjtfVor6F
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7057659630:AAFimyTDK97bk--tGx0V9NZ3l1ggFNh71Fc/sendMessage?chat_id=6898292898
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" IMAG_00958_885758_.exe -
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 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe Powershell.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe Powershell.exe -
Executes dropped EXE 1 IoCs
pid Process 1964 IMAG_00958_885758_.exe -
Loads dropped DLL 1 IoCs
pid Process 2624 IMAG_00958_885758_.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 IMAG_00958_885758_.exe Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 IMAG_00958_885758_.exe Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 IMAG_00958_885758_.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 2624 set thread context of 1964 2624 IMAG_00958_885758_.exe 33 -
pid Process 2668 Powershell.exe -
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 IMAG_00958_885758_.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IMAG_00958_885758_.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Powershell.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2668 Powershell.exe 1964 IMAG_00958_885758_.exe 1964 IMAG_00958_885758_.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1964 IMAG_00958_885758_.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2668 Powershell.exe Token: SeDebugPrivilege 1964 IMAG_00958_885758_.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1964 IMAG_00958_885758_.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2624 wrote to memory of 2668 2624 IMAG_00958_885758_.exe 31 PID 2624 wrote to memory of 2668 2624 IMAG_00958_885758_.exe 31 PID 2624 wrote to memory of 2668 2624 IMAG_00958_885758_.exe 31 PID 2624 wrote to memory of 2668 2624 IMAG_00958_885758_.exe 31 PID 2624 wrote to memory of 1964 2624 IMAG_00958_885758_.exe 33 PID 2624 wrote to memory of 1964 2624 IMAG_00958_885758_.exe 33 PID 2624 wrote to memory of 1964 2624 IMAG_00958_885758_.exe 33 PID 2624 wrote to memory of 1964 2624 IMAG_00958_885758_.exe 33 PID 2624 wrote to memory of 1964 2624 IMAG_00958_885758_.exe 33 PID 2624 wrote to memory of 1964 2624 IMAG_00958_885758_.exe 33 PID 2624 wrote to memory of 1964 2624 IMAG_00958_885758_.exe 33 PID 2624 wrote to memory of 1964 2624 IMAG_00958_885758_.exe 33 PID 2624 wrote to memory of 1964 2624 IMAG_00958_885758_.exe 33 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 IMAG_00958_885758_.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 IMAG_00958_885758_.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\IMAG_00958_885758_.exe"C:\Users\Admin\AppData\Local\Temp\IMAG_00958_885758_.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2624 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\IMAG_00958_885758_.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'2⤵
- Drops startup file
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2668
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C:\Users\Admin\AppData\Local\Temp\IMAG_00958_885758_.exe"C:\Users\Admin\AppData\Local\Temp\IMAG_00958_885758_.exe"2⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1964
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.2MB
MD5a5956a0bd4e775a24f37a8aec90f298c
SHA1ca31450f5809e212efb6c8036b5d1e974fcaa34e
SHA256dad545332098b6ac9a495579eec0908008903ecfb86365eff0711b3d93bdd4da
SHA51238e56810020c455634c8143bafe08c34f09f1994a18796a24b1b6ef33728062d7a9c4ecfb573b57a7c284817448f8b3ff45cdd1b54bf5babf9507e097703f58a