Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
18-11-2024 20:21
Static task
static1
Behavioral task
behavioral1
Sample
bdfa5022f1ccccc5ca59f7cfa03d6bbc35b6ca3399d18fe848c984457ec64039.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bdfa5022f1ccccc5ca59f7cfa03d6bbc35b6ca3399d18fe848c984457ec64039.dll
Resource
win10v2004-20241007-en
General
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Target
bdfa5022f1ccccc5ca59f7cfa03d6bbc35b6ca3399d18fe848c984457ec64039.dll
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Size
2.1MB
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MD5
157cbfe78bbb17724209d7a6e6c5639d
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SHA1
b75245c080b776406e21450ef0b06adb9ddcb50d
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SHA256
bdfa5022f1ccccc5ca59f7cfa03d6bbc35b6ca3399d18fe848c984457ec64039
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SHA512
c5d4b85858c3f54eba95657d7c157b8e0b9fd6594f85b4acdcc1aea5dfb2e5e04ca9f5db6709b0cb6b5a55a922b3d1ff6a16e03550d52db4729da3f2eada4525
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SSDEEP
49152:stFXIa7/ozLgD3zFrRlwKhwb809T7QaDOgpV:Kia7/ogD3RrLwKhwb80j
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 2 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{B69F34DD-F0F9-42DC-9EDD-957187DA688D} regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\NoExplorer = "1" regsvr32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 regsvr32.exe -
Modifies registry class 23 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon.1\CLSID\ = "{B69F34DD-F0F9-42DC-9EDD-957187DA688D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon\ = "SafeMon Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\ = "SafeMon Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon\CLSID\ = "{B69F34DD-F0F9-42DC-9EDD-957187DA688D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon\CurVer\ = "Safemon.NavigatMon.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\VersionIndependentProgID\ = "Safemon.NavigatMon" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bdfa5022f1ccccc5ca59f7cfa03d6bbc35b6ca3399d18fe848c984457ec64039.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\TypeLib\ = "{BB67E9B5-A1A3-4206-A443-DE93D592682C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\ProgID\ = "Safemon.NavigatMon.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\Implemented Categories regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Safemon.NavigatMon.1\ = "SafeMon Class" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2196 wrote to memory of 2252 2196 regsvr32.exe 31 PID 2196 wrote to memory of 2252 2196 regsvr32.exe 31 PID 2196 wrote to memory of 2252 2196 regsvr32.exe 31 PID 2196 wrote to memory of 2252 2196 regsvr32.exe 31 PID 2196 wrote to memory of 2252 2196 regsvr32.exe 31 PID 2196 wrote to memory of 2252 2196 regsvr32.exe 31 PID 2196 wrote to memory of 2252 2196 regsvr32.exe 31
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\bdfa5022f1ccccc5ca59f7cfa03d6bbc35b6ca3399d18fe848c984457ec64039.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2196 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\bdfa5022f1ccccc5ca59f7cfa03d6bbc35b6ca3399d18fe848c984457ec64039.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2252
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