Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
03-06-2024 10:28
Static task
static1
Behavioral task
behavioral1
Sample
Device/HarddiskVolume3/Users/HaseebP/AppData/Local/Temp/NER88D9.tmp/Toolbar.exe
Resource
win7-20240221-en
General
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Target
Device/HarddiskVolume3/Users/HaseebP/AppData/Local/Temp/NER88D9.tmp/Toolbar.exe
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Size
472KB
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MD5
0f53d59df42827e7af4fc207e600a999
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SHA1
bee96291323d129cf104d0fa8ecbe8aab5e4bca5
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SHA256
784ad117dc1cd965a561ee729f086049fe47694aa3545ea6408d2ff31917827f
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SHA512
1cc407b30c60b7ba865daa2036573c8c205b3710de86a8921c0c47b8e9889bd0d97512ab31160fdeb68220ff8a742fccb3230b74ca65f97c5b019acac8708cfe
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SSDEEP
12288:vTOAkRj7IqoRHaxYmzzxrFdLh/20lRSgi:v6AkRjyaxYmdxdLxt
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
A5SETUP.EXEA5SRCSP.EXEpid process 1232 A5SETUP.EXE 1008 A5SRCSP.EXE -
Loads dropped DLL 2 IoCs
Processes:
A5SETUP.EXEpid process 1232 A5SETUP.EXE 1232 A5SETUP.EXE -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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:
A5SETUP.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{FE063DB1-4EC0-403e-8DD8-394C54984B2C} A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{FE063DB1-4EC0-403e-8DD8-394C54984B2C}\ = "Ask Toolbar BHO" A5SETUP.EXE -
Drops file in Program Files directory 4 IoCs
Processes:
A5SETUP.EXEdescription ioc process File opened for modification C:\Program Files (x86)\AskTBar\bar\1.bin\ASKTBAR.DLL A5SETUP.EXE File created C:\Program Files (x86)\AskTBar\bar\1.bin\ASKTBAR.DLL A5SETUP.EXE File opened for modification C:\Program Files (x86)\AskTBar\bar\1.bin\A5POPSWT.DLL A5SETUP.EXE File created C:\Program Files (x86)\AskTBar\bar\1.bin\A5POPSWT.DLL A5SETUP.EXE -
Processes:
A5SETUP.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar\{FE063DB9-4EC0-403e-8DD8-394C54984B2C} A5SETUP.EXE -
Modifies registry class 64 IoCs
Processes:
A5SETUP.EXEdescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FE063DBC-4EC0-403E-8DD8-394C54984B2C}\ = "_IAskTBarSettingsEvents" A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{83453070-3F9C-4AB0-BE30-EDA368D7976D}\ = "IAskTBarPopSwatterSettings" A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{83453072-3F9C-4AB0-BE30-EDA368D7976D}\TypeLib\ = "{BD04DAE0-8C1B-4CC5-9E06-22DE05C2EDA0}" A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AskTBar.SettingsPlugin\ = "Ask Toolbar Settings Plugin" A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FE063DBB-4EC0-403e-8DD8-394C54984B2C}\TypeLib A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FE063DBB-4EC0-403e-8DD8-394C54984B2C}\TypeLib\ = "{FE063DB0-4EC0-403e-8DD8-394C54984B2C}" A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FE063DBA-4EC0-403E-8DD8-394C54984B2C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{09BD51AE-7E02-4916-9B12-647A92C02B7F} A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BD04DAE0-8C1B-4CC5-9E06-22DE05C2EDA0}\1.0\0\win32\ = "C:\\Program Files (x86)\\AskTBar\\bar\\1.bin\\A5POPSWT.DLL" A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FE063DBB-4EC0-403e-8DD8-394C54984B2C}\VersionIndependentProgID\ = "AskTBar.SettingsPlugin" A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AskTBar.PopSwatterSettingsControl\CLSID\ = "{83453071-3F9C-4ab0-BE30-EDA368D7976D}" A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83453071-3F9C-4ab0-BE30-EDA368D7976D}\ProgID\ = "AskTBar.PopSwatterSettingsControl.1" A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{09BD51AE-7E02-4916-9B12-647A92C02B7F}\TypeLib\ = "{BD04DAE0-8C1B-4cc5-9E06-22DE05C2EDA0}" A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE063DB0-4EC0-403E-8DD8-394C54984B2C}\1.0\0\win32\ = "C:\\Program Files (x86)\\AskTBar\\bar\\1.bin\\ASKTBAR.DLL" A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE063DB0-4EC0-403E-8DD8-394C54984B2C}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\AskTBar\\bar\\1.bin\\" A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FE063DBA-4EC0-403E-8DD8-394C54984B2C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AskTBar.SettingsPlugin\CLSID\ = "{FE063DBB-4EC0-403e-8DD8-394C54984B2C}" A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FE063DBB-4EC0-403e-8DD8-394C54984B2C}\ProgID\ = "AskTBar.SettingsPlugin.1" A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD04DAE2-8C1B-4cc5-9E06-22DE05C2EDA0}\VersionIndependentProgID A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AskTBar.PopSwatterSettingsControl\CLSID A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83453071-3F9C-4ab0-BE30-EDA368D7976D}\VersionIndependentProgID A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FE063DB9-4EC0-403e-8DD8-394C54984B2C}\InprocServer32 A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AskTBar.SettingsPlugin.1\ = "Ask Toolbar Settings Plugin" A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AskTBar.SettingsPlugin\CLSID A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AskTBar.PopSwatterSettingsControl.1\ = "PopSwatter Settings Class" A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{09BD51AE-7E02-4916-9B12-647A92C02B7F}\Programmable A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{83453072-3F9C-4AB0-BE30-EDA368D7976D}\ = "_IAskTBarPopSwatterSettingsEvents" A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FE063DBB-4EC0-403e-8DD8-394C54984B2C}\Control A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FE063DBB-4EC0-403e-8DD8-394C54984B2C}\Version\ = "1.0" A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE063DB0-4EC0-403E-8DD8-394C54984B2C}\1.0\0 A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{83453070-3F9C-4AB0-BE30-EDA368D7976D}\ProxyStubClsid32 A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{83453072-3F9C-4AB0-BE30-EDA368D7976D}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FE063DBB-4EC0-403e-8DD8-394C54984B2C}\InprocServer32 A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FE063DBC-4EC0-403E-8DD8-394C54984B2C}\TypeLib A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FE063DBA-4EC0-403E-8DD8-394C54984B2C}\TypeLib\Version = "1.0" A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AskTBar.PopSwatterSettingsControl.1\CLSID A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9AFB8248-617F-460d-9366-D71CDEDA3179} A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{83453072-3F9C-4AB0-BE30-EDA368D7976D} A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FE063DB1-4EC0-403e-8DD8-394C54984B2C}\ = "Ask Toolbar BHO" A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AskTBar.SettingsPlugin\CurVer A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FE063DBB-4EC0-403e-8DD8-394C54984B2C}\InprocServer32\ = "C:\\Program Files (x86)\\AskTBar\\bar\\1.bin\\ASKTBAR.DLL" A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FE063DBB-4EC0-403e-8DD8-394C54984B2C}\Programmable A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FE063DBB-4EC0-403e-8DD8-394C54984B2C}\Version A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83453071-3F9C-4ab0-BE30-EDA368D7976D}\ProgID A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83453071-3F9C-4ab0-BE30-EDA368D7976D}\InprocServer32\ = "C:\\Program Files (x86)\\AskTBar\\bar\\1.bin\\A5POPSWT.DLL" A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83453071-3F9C-4ab0-BE30-EDA368D7976D}\InprocServer32\ThreadingModel = "Apartment" A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{72FE8681-0BFA-471b-9B2A-B37ED68DD09E}\ = "Ask PopSwatter" A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{83453072-3F9C-4AB0-BE30-EDA368D7976D}\TypeLib A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{83453072-3F9C-4AB0-BE30-EDA368D7976D}\ProxyStubClsid32 A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AskTBar.PopSwatterSettingsControl\CurVer A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{09BD51AE-7E02-4916-9B12-647A92C02B7F}\TypeLib A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{83453072-3F9C-4AB0-BE30-EDA368D7976D}\TypeLib A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FE063DBA-4EC0-403E-8DD8-394C54984B2C} A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FE063DBC-4EC0-403E-8DD8-394C54984B2C}\TypeLib A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AskTBar.PopSwatterBarButton.1 A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83453071-3F9C-4ab0-BE30-EDA368D7976D}\Programmable A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BD04DAE0-8C1B-4CC5-9E06-22DE05C2EDA0} A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{83453070-3F9C-4AB0-BE30-EDA368D7976D}\TypeLib\Version = "1.0" A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FE063DBA-4EC0-403E-8DD8-394C54984B2C}\ProxyStubClsid32 A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FE063DBC-4EC0-403E-8DD8-394C54984B2C} A5SETUP.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FE063DBC-4EC0-403E-8DD8-394C54984B2C}\ = "_IAskTBarSettingsEvents" A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AskTBar.PopSwatterBarButton.1\CLSID A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD04DAE2-8C1B-4cc5-9E06-22DE05C2EDA0}\ProgID A5SETUP.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{83453070-3F9C-4AB0-BE30-EDA368D7976D}\TypeLib A5SETUP.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
Toolbar.exedescription pid process target process PID 4036 wrote to memory of 1232 4036 Toolbar.exe A5SETUP.EXE PID 4036 wrote to memory of 1232 4036 Toolbar.exe A5SETUP.EXE PID 4036 wrote to memory of 1232 4036 Toolbar.exe A5SETUP.EXE PID 4036 wrote to memory of 1008 4036 Toolbar.exe A5SRCSP.EXE PID 4036 wrote to memory of 1008 4036 Toolbar.exe A5SRCSP.EXE PID 4036 wrote to memory of 1008 4036 Toolbar.exe A5SRCSP.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\HaseebP\AppData\Local\Temp\NER88D9.tmp\Toolbar.exe"C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\HaseebP\AppData\Local\Temp\NER88D9.tmp\Toolbar.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\bar.0\A5SETUP.EXE"C:\Users\Admin\AppData\Local\Temp\bar.0\A5SETUP.EXE" "C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\HaseebP\AppData\Local\Temp\NER88D9.tmp\Toolbar.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
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C:\Users\Admin\AppData\Local\Temp\bar.0\A5SRCSP.EXE"C:\Users\Admin\AppData\Local\Temp\bar.0\A5SRCSP.EXE" "C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\HaseebP\AppData\Local\Temp\NER88D9.tmp\Toolbar.exe"2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Program Files (x86)\AskTBar\bar\1.bin\A5POPSWT.DLLFilesize
116KB
MD569a3eb924678bb23047e6248648e6534
SHA1844949940edfa51d38c5fa3294892b92c8d3cf8e
SHA2568150669b6e743bdc725abfd4e51c3da721e4b1a2a86ee2cda4d61f8e2bbee851
SHA5126f3c3b4a81965a6cf462943f1c0b0c8db1fbe7b89e24459411dc279cb18d534568c2cf0097bfea6848ceca9818bf10f86c1ea4aaf601f1b1e42dbd9ec696dd06
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C:\Program Files (x86)\AskTBar\bar\1.bin\ASKTBAR.DLLFilesize
240KB
MD559dbfe16aa20144cb11e7fc8b2d21eaa
SHA1b4403810c1db8482c5a26b418499a8643e4a6410
SHA256809bbfa3fb67c79f1901b159b754dd955c5defe28d5879f91972d269d706d55c
SHA51283ce6c1631d36ebc19be3fc178932f41fdef7c7f8a9dd5d3631527a25f894936477a053ad96d65ba58b8775732741b52af1edc390b260009775406b05df36297
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C:\Users\Admin\AppData\Local\Temp\bar.0\A5SETUP.EXEFilesize
376KB
MD5f90f8e211bb2ba49218188caa1dc2f3a
SHA18a18eb5ec6f37f9c4f0654069815f30f651b1d8c
SHA256024fe6f1d33edbdb2a9064564273db5e4e2bf87fa6b6380b8a118a7b110b7035
SHA512107889d1a470a4a622a3a09ee39077d12a444c6bb90e2897e56720c722db8e926f0853bc5cbc435d211105335ea0db1d334f8811c2c6d5ad63b7072742eb4f7e
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C:\Users\Admin\AppData\Local\Temp\bar.0\A5SRCSP.EXEFilesize
76KB
MD5e7d9ce28eae7d5ce00878a39a7d2584f
SHA173b4be59997f90e3bb3e87df47efe76b10fa6a92
SHA25687f40724067f8e3bfbb2d78962f9925ec77b83fb7763513387a016b6b1683439
SHA512c7bffecd908007e2b53e83f444e3a685f525c022f12d8e2e3733a47f64c00e2165737450ccca4d86738c79d2104cf3ed6652803eb8fd78f36a2a26423600acd5