Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
20-06-2024 06:23
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
0399e051bbfcc886126f8f647d3e67e6_JaffaCakes118.dll
Resource
win7-20240220-en
3 signatures
150 seconds
General
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Target
0399e051bbfcc886126f8f647d3e67e6_JaffaCakes118.dll
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Size
176KB
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MD5
0399e051bbfcc886126f8f647d3e67e6
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SHA1
b4993d48e48a76e567e0aa56aef5e30896e0450a
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SHA256
365de842bc01a2a9525a70f52522c13bbcc6a681dfd93f9cae27c81318aeb9b5
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SHA512
e51a0c632ea26fce4055593c5692a5f2145a53f6fb2b821034025de21322e65d83dcf69f34fbcc760516f89908e3536bd635b4a21e300ded7704121fd9c7e8ba
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SSDEEP
3072:/Ee6w67PgG0YeddfeGeVuNb5iwglC+vtnirF/3a66MsoWSIx:MKECrfe7cN1z+vtnix/KSY
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.
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{63035881-A749-4139-9CAB-82DCFFA7F106} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{63035881-A749-4139-9CAB-82DCFFA7F106}\ regsvr32.exe -
Modifies registry class 47 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\ProgID\ = "BHO.TttPlayer.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\InprocServer32\ThreadingModel = "apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\AppID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1\CLSID\ = "{63035881-A749-4139-9CAB-82DCFFA7F106}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CLSID\ = "{63035881-A749-4139-9CAB-82DCFFA7F106}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ = "ITttPlayer" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0399e051bbfcc886126f8f647d3e67e6_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib\ = "{3B979AB3-29C8-4DC3-829A-E066DDFEA096}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\TypeLib\ = "{3B979AB3-29C8-4DC3-829A-E066DDFEA096}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\TypeLib\ = "{3B979AB3-29C8-4DC3-829A-E066DDFEA096}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer.1\ = "CTttPlayer Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\ = "CTttPlayer Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\ = "BHO 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0399e051bbfcc886126f8f647d3e67e6_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.TttPlayer\CurVer\ = "BHO.TttPlayer.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\ = "CTttPlayer Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{63035881-A749-4139-9CAB-82DCFFA7F106}\VersionIndependentProgID\ = "BHO.TttPlayer" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B979AB3-29C8-4DC3-829A-E066DDFEA096}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ = "ITttPlayer" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{939FF0D3-FE01-4326-B7B6-0ADBE9FE6FD9}\ProxyStubClsid32 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
regsvr32.exedescription pid process target process PID 2204 wrote to memory of 1800 2204 regsvr32.exe regsvr32.exe PID 2204 wrote to memory of 1800 2204 regsvr32.exe regsvr32.exe PID 2204 wrote to memory of 1800 2204 regsvr32.exe regsvr32.exe PID 2204 wrote to memory of 1800 2204 regsvr32.exe regsvr32.exe PID 2204 wrote to memory of 1800 2204 regsvr32.exe regsvr32.exe PID 2204 wrote to memory of 1800 2204 regsvr32.exe regsvr32.exe PID 2204 wrote to memory of 1800 2204 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\0399e051bbfcc886126f8f647d3e67e6_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\0399e051bbfcc886126f8f647d3e67e6_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1800