Analysis
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max time kernel
134s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
23/08/2024, 09:26
Static task
static1
Behavioral task
behavioral1
Sample
bb2c3814ca484a66252bd66cbf98d725_JaffaCakes118.dll
Resource
win7-20240704-en
General
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Target
bb2c3814ca484a66252bd66cbf98d725_JaffaCakes118.dll
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Size
52KB
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MD5
bb2c3814ca484a66252bd66cbf98d725
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SHA1
9d17f5196c25cfe7d9191429ca9c15ab14c2fa90
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SHA256
6183656eafb7fe0ab20e069c26de516818cf9b5d61d57c3be9a06fd78f78a6dd
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SHA512
eb264dee7d3d9bd080443017ca046c3a7b4fccc1284efe007fb0c091ddeab829c1f202625c29a71d4e2c08b4b864bd06baa597cc876207f0f4e6890b15aa8826
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SSDEEP
1536:bLnzOGQVmF72o1ZEmTmlGGiDQEiJ65vXc36i:HQVmF7286OEu86i
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\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413} regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413}\NoExplorer = "1" regsvr32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2416 4336 WerFault.exe 91 -
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 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9} regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9}\DisplayName = "Google" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9}\URL = "http://www.gggdu.com/google?q={searchTerms}" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}\DisplayName = "°Ù¶È" regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77} regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}\URL = "http://www.baidu.com/s?tn=leizhen_dg&ie=utf-8&wd={searchTerms}" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}\SuggestionsURL_JSON = "http://suggestion.baidu.com/su?wd={searchTerms}&action=opensearch&ie=utf-8&from=ie8" regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\SearchScopes regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\DefaultScope = "{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}" regsvr32.exe Key deleted \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A} regsvr32.exe -
Modifies registry class 12 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\Shell\OpenHomePage regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\Shell\OpenHomePage\Command regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\Shell regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\DefaultIcon regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bb2c3814ca484a66252bd66cbf98d725_JaffaCakes118.dll" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2364 wrote to memory of 4336 2364 regsvr32.exe 91 PID 2364 wrote to memory of 4336 2364 regsvr32.exe 91 PID 2364 wrote to memory of 4336 2364 regsvr32.exe 91
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\bb2c3814ca484a66252bd66cbf98d725_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\bb2c3814ca484a66252bd66cbf98d725_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
PID:4336 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 8963⤵
- Program crash
PID:2416
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4336 -ip 43361⤵PID:3868
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4448,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=4396 /prefetch:81⤵PID:3740