Overview
overview
6Static
static
3183b1cb940...18.exe
windows7-x64
3183b1cb940...18.exe
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PROGRAMFI...ck.dll
windows7-x64
6$PROGRAMFI...ck.dll
windows10-2004-x64
6$PROGRAMFI...an.dll
windows7-x64
3$PROGRAMFI...an.dll
windows10-2004-x64
3$PROGRAMFI...rd.exe
windows7-x64
3$PROGRAMFI...rd.exe
windows10-2004-x64
3$PROGRAMFI...up.exe
windows7-x64
3$PROGRAMFI...up.exe
windows10-2004-x64
3Analysis
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max time kernel
122s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06/10/2024, 13:12
Static task
static1
Behavioral task
behavioral1
Sample
183b1cb9401a24ffa852fc2323726528_JaffaCakes118.exe
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral2
Sample
183b1cb9401a24ffa852fc2323726528_JaffaCakes118.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240704-en
windows7-x64
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
$PROGRAMFILES/winguard/wgblock.dll
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral8
Sample
$PROGRAMFILES/winguard/wgblock.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral9
Sample
$PROGRAMFILES/winguard/wgclean.dll
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral10
Sample
$PROGRAMFILES/winguard/wgclean.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral11
Sample
$PROGRAMFILES/winguard/winguard.exe
Resource
win7-20240708-en
windows7-x64
Behavioral task
behavioral12
Sample
$PROGRAMFILES/winguard/winguard.exe
Resource
win10v2004-20240910-en
windows10-2004-x64
Behavioral task
behavioral13
Sample
$PROGRAMFILES/winguard/winguardup.exe
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral14
Sample
$PROGRAMFILES/winguard/winguardup.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
General
-
Target
$PROGRAMFILES/winguard/wgblock.dll
-
Size
216KB
-
MD5
8f2acc17aa7b217130ba3bb39335e93f
-
SHA1
f2f269c7975e30a395c66ea17f572d0e648855fa
-
SHA256
903c057cdded367f032dc9b27cbb89f1748220968df6dc43b7dd623e6955fd96
-
SHA512
ad17ebcf997742393a612cb852abbccb7e9e4640877a4142eb282348fa45be0e3a3d747c6dc5be50f3176c49b6334c2fe828d478f7f31ffd0adc77069347e9bb
-
SSDEEP
3072:kMqRMebRaOFNyc3lo4fNUg49iCF0USaYPPo3p1slFtQ:kMFsRaOFV3lo4lG9iC5RTZ
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 3 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\{C1C47C65-10B1-4095-9116-B9B60B56362F} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{C1C47C65-10B1-4095-9116-B9B60B56362F}\ = "WGBLKBHO Class" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{C1C47C65-10B1-4095-9116-B9B60B56362F}\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 41 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1C47C65-10B1-4095-9116-B9B60B56362F}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A112DD9-1812-43F7-B6D4-C342C780AB18}\1.0\ = "SSBHO 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1F0D5A8D-81B0-4416-9DDF-72B97AE52196}\TypeLib\ = "{8A112DD9-1812-43F7-B6D4-C342C780AB18}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A112DD9-1812-43F7-B6D4-C342C780AB18}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1F0D5A8D-81B0-4416-9DDF-72B97AE52196}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1F0D5A8D-81B0-4416-9DDF-72B97AE52196}\TypeLib\ = "{8A112DD9-1812-43F7-B6D4-C342C780AB18}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1F0D5A8D-81B0-4416-9DDF-72B97AE52196}\ = "ISOSBHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A112DD9-1812-43F7-B6D4-C342C780AB18}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$PROGRAMFILES\\winguard\\wgblock.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A112DD9-1812-43F7-B6D4-C342C780AB18}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A112DD9-1812-43F7-B6D4-C342C780AB18}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$PROGRAMFILES\\winguard" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1F0D5A8D-81B0-4416-9DDF-72B97AE52196}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1F0D5A8D-81B0-4416-9DDF-72B97AE52196}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WGBLKBHO\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1C47C65-10B1-4095-9116-B9B60B56362F}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1C47C65-10B1-4095-9116-B9B60B56362F}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1F0D5A8D-81B0-4416-9DDF-72B97AE52196}\ = "ISOSBHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1F0D5A8D-81B0-4416-9DDF-72B97AE52196}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WGBLKBHO\CLSID\ = "{C1C47C65-10B1-4095-9116-B9B60B56362F}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A112DD9-1812-43F7-B6D4-C342C780AB18} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A112DD9-1812-43F7-B6D4-C342C780AB18}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1F0D5A8D-81B0-4416-9DDF-72B97AE52196}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WGBLKBHO.1\ = "WGBLKBHO Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WGBLKBHO.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WGBLKBHO\ = "WGBLKBHO Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1C47C65-10B1-4095-9116-B9B60B56362F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$PROGRAMFILES\\winguard\\wgblock.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A112DD9-1812-43F7-B6D4-C342C780AB18}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1F0D5A8D-81B0-4416-9DDF-72B97AE52196}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1F0D5A8D-81B0-4416-9DDF-72B97AE52196} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WGBLKBHO.1\CLSID\ = "{C1C47C65-10B1-4095-9116-B9B60B56362F}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WGBLKBHO regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1C47C65-10B1-4095-9116-B9B60B56362F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A112DD9-1812-43F7-B6D4-C342C780AB18}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1F0D5A8D-81B0-4416-9DDF-72B97AE52196} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1F0D5A8D-81B0-4416-9DDF-72B97AE52196}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WGBLKBHO.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1C47C65-10B1-4095-9116-B9B60B56362F}\ = "WGBLKBHO Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1C47C65-10B1-4095-9116-B9B60B56362F}\ProgID\ = "WGBLKBHO.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1C47C65-10B1-4095-9116-B9B60B56362F}\VersionIndependentProgID\ = "WGBLKBHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1C47C65-10B1-4095-9116-B9B60B56362F}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8A112DD9-1812-43F7-B6D4-C342C780AB18}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1F0D5A8D-81B0-4416-9DDF-72B97AE52196}\ProxyStubClsid32 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2540 wrote to memory of 1192 2540 regsvr32.exe 30 PID 2540 wrote to memory of 1192 2540 regsvr32.exe 30 PID 2540 wrote to memory of 1192 2540 regsvr32.exe 30 PID 2540 wrote to memory of 1192 2540 regsvr32.exe 30 PID 2540 wrote to memory of 1192 2540 regsvr32.exe 30 PID 2540 wrote to memory of 1192 2540 regsvr32.exe 30 PID 2540 wrote to memory of 1192 2540 regsvr32.exe 30
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\$PROGRAMFILES\winguard\wgblock.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2540 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\$PROGRAMFILES\winguard\wgblock.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1192
-