Analysis
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max time kernel
45s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 19:11
Behavioral task
behavioral1
Sample
b3a69f62a13050cc5534b8c759c88b99d8b36c69ee628155286d8613227a3c58.dll
Resource
win7-20220901-en
3 signatures
150 seconds
General
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Target
b3a69f62a13050cc5534b8c759c88b99d8b36c69ee628155286d8613227a3c58.dll
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Size
126KB
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MD5
ffecda82ba935767242281287130f74f
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SHA1
8b525fb5652cdd20c8a83861ac11b6bdad909c4d
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SHA256
b3a69f62a13050cc5534b8c759c88b99d8b36c69ee628155286d8613227a3c58
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SHA512
59910249dd4ac9c4b00354996fb7687fac3e23c781352342b5381dbf51329dfe1bec3e6d6f7270c32314026e9aac53498c08a447e24ed79c4d4565d39c15e420
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SSDEEP
3072:kJ+1n4VW7YGopb+jBA7osPcKu569F9D3r+OHQ/C6:hd4V7mGP65w3S6YC6
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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{500BCA15-57A7-4eaf-8143-8C619470B13D}\ = "XML module" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{500BCA15-57A7-4eaf-8143-8C619470B13D} regsvr32.exe -
Modifies registry class 27 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\TypeLib\ = "{1084991C-D150-E406-305C-92E19A035DF1}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML.1\CLSID\ = "{500BCA15-57A7-4eaf-8143-8C619470B13D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\Install = "OK" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML\ = "XML Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\VersionIndependentProgID\ = "XML.XML" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b3a69f62a13050cc5534b8c759c88b99d8b36c69ee628155286d8613227a3c58.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML\CurVer\ = "XML.XML.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1084991C-D150-E406-305C-92E19A035DF1}\.0\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b3a69f62a13050cc5534b8c759c88b99d8b36c69ee628155286d8613227a3c58.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\ = "XML Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1084991C-D150-E406-305C-92E19A035DF1} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1084991C-D150-E406-305C-92E19A035DF1}\.0\ = "XML Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\ProgID\ = "XML.XML.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML\CLSID\ = "{500BCA15-57A7-4eaf-8143-8C619470B13D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML.1\ = "XML Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1084991C-D150-E406-305C-92E19A035DF1}\.0 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1284 wrote to memory of 1160 1284 regsvr32.exe 27 PID 1284 wrote to memory of 1160 1284 regsvr32.exe 27 PID 1284 wrote to memory of 1160 1284 regsvr32.exe 27 PID 1284 wrote to memory of 1160 1284 regsvr32.exe 27 PID 1284 wrote to memory of 1160 1284 regsvr32.exe 27 PID 1284 wrote to memory of 1160 1284 regsvr32.exe 27 PID 1284 wrote to memory of 1160 1284 regsvr32.exe 27
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\b3a69f62a13050cc5534b8c759c88b99d8b36c69ee628155286d8613227a3c58.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1284 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\b3a69f62a13050cc5534b8c759c88b99d8b36c69ee628155286d8613227a3c58.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1160
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