Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
31/05/2024, 15:23
Static task
static1
Behavioral task
behavioral1
Sample
8777cbc71ef277919328ffa01849b969_JaffaCakes118.dll
Resource
win7-20240221-en
windows7-x64
3 signatures
150 seconds
General
- Target 8777cbc71ef277919328ffa01849b969_JaffaCakes118.dll
- Size 244KB
- Sample240531-ssprsscd9x
- SHA256 04842e2c4442d44dedf64e3fbf4b3905747c00ad48db4a977097ec1c226b1f89
- MD5 8777cbc71ef277919328ffa01849b969
- SHA1 8e4a7afca69716ca72a8b97174ebd7404fbb85ea
- SHA512 a2c370139e08fbe2c652e24a4e05ceb105bcb98638b95364fb94a74d244fda0ffc07e5a0fb4a8782372b0c5a2833199bb62d582f754bf45821b22bc38c2a0908
- SSDEEP 3072:3fxo+Lwwj1oqyx9C0SBOALpJGd15+9xIaIZzkgopp:3zLwwjTyPCqaxIJ5opp
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- 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\{1973d53b-7311-45d7-8270-f44571c041a0} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1973d53b-7311-45d7-8270-f44571c041a0}\ = "Greener Web 1.0.0.6" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1973d53b-7311-45d7-8270-f44571c041a0}\NoExplorer = "1" regsvr32.exe - Modifies registry class 34 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3A1BEABE-0DC5-4615-8099-83973B843C06}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D95E57C2-53B3-4C38-BA1E-7980CB5E1803}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1973d53b-7311-45d7-8270-f44571c041a0}\TypeLib\ = "{3a1beabe-0dc5-4615-8099-83973b843c06}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3A1BEABE-0DC5-4615-8099-83973B843C06}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3A1BEABE-0DC5-4615-8099-83973B843C06}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3A1BEABE-0DC5-4615-8099-83973B843C06}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D95E57C2-53B3-4C38-BA1E-7980CB5E1803}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1973d53b-7311-45d7-8270-f44571c041a0} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1973d53b-7311-45d7-8270-f44571c041a0}\ = "Greener Web 1.0.0.6" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1973d53b-7311-45d7-8270-f44571c041a0}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D95E57C2-53B3-4C38-BA1E-7980CB5E1803}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D95E57C2-53B3-4C38-BA1E-7980CB5E1803}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3A1BEABE-0DC5-4615-8099-83973B843C06}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8777cbc71ef277919328ffa01849b969_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D95E57C2-53B3-4C38-BA1E-7980CB5E1803} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D95E57C2-53B3-4C38-BA1E-7980CB5E1803}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1973d53b-7311-45d7-8270-f44571c041a0}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1973d53b-7311-45d7-8270-f44571c041a0}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8777cbc71ef277919328ffa01849b969_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3A1BEABE-0DC5-4615-8099-83973B843C06} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3A1BEABE-0DC5-4615-8099-83973B843C06}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D95E57C2-53B3-4C38-BA1E-7980CB5E1803}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D95E57C2-53B3-4C38-BA1E-7980CB5E1803}\TypeLib\ = "{3A1BEABE-0DC5-4615-8099-83973B843C06}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3A1BEABE-0DC5-4615-8099-83973B843C06}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D95E57C2-53B3-4C38-BA1E-7980CB5E1803} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D95E57C2-53B3-4C38-BA1E-7980CB5E1803}\ = "IGreenerWeb" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1973d53b-7311-45d7-8270-f44571c041a0}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1973d53b-7311-45d7-8270-f44571c041a0}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1973d53b-7311-45d7-8270-f44571c041a0}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3A1BEABE-0DC5-4615-8099-83973B843C06}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D95E57C2-53B3-4C38-BA1E-7980CB5E1803}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D95E57C2-53B3-4C38-BA1E-7980CB5E1803}\TypeLib\ = "{3A1BEABE-0DC5-4615-8099-83973B843C06}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D95E57C2-53B3-4C38-BA1E-7980CB5E1803}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1973d53b-7311-45d7-8270-f44571c041a0}\Version\ = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3A1BEABE-0DC5-4615-8099-83973B843C06}\1.0\ = "GreenerWebIEClientLib" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D95E57C2-53B3-4C38-BA1E-7980CB5E1803}\ = "IGreenerWeb" regsvr32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2240 wrote to memory of 1428 2240 regsvr32.exe 81 PID 2240 wrote to memory of 1428 2240 regsvr32.exe 81 PID 2240 wrote to memory of 1428 2240 regsvr32.exe 81
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\8777cbc71ef277919328ffa01849b969_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\8777cbc71ef277919328ffa01849b969_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1428
-