Analysis
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max time kernel
133s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31/10/2024, 16:16
Static task
static1
Behavioral task
behavioral1
Sample
c485536f8d1a635cbce0960872c7c5c952bf6af170c0c0a239067e139b967227.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c485536f8d1a635cbce0960872c7c5c952bf6af170c0c0a239067e139b967227.exe
Resource
win10v2004-20241007-en
General
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Target
c485536f8d1a635cbce0960872c7c5c952bf6af170c0c0a239067e139b967227.exe
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Size
247KB
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MD5
433cd8e54e0f857913b1a6bf0ab9e04d
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SHA1
f1125bc583cf188939a1c57800ebf54c598db357
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SHA256
c485536f8d1a635cbce0960872c7c5c952bf6af170c0c0a239067e139b967227
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SHA512
2a693bcc51d0026c4e3e44b11b686de461f3c19acbfed27fa1257a47c7fdf79d75aa13bbe2ac811dad1cc7877c68542746346381425e0bd22df5e66e2a523739
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SSDEEP
3072:n2RaiKg4xmUh1WXHqw/l+qmOELhakVsm3mxB32tLEv8zfdn5f2dZLCozOhhOn+TY:n0KgGwHqwOOELha+sm2D2+Uhnguf/g
Malware Config
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 8 IoCs
pid Process 2416 avast_free_antivirus_setup_online_x64.exe 4596 instup.exe 3472 instup.exe 3068 aswOfferTool.exe 868 aswOfferTool.exe 2900 aswOfferTool.exe 1064 aswOfferTool.exe 2784 aswOfferTool.exe -
Loads dropped DLL 11 IoCs
pid Process 4120 c485536f8d1a635cbce0960872c7c5c952bf6af170c0c0a239067e139b967227.exe 4596 instup.exe 4596 instup.exe 4596 instup.exe 4596 instup.exe 3472 instup.exe 3472 instup.exe 3472 instup.exe 3472 instup.exe 1064 aswOfferTool.exe 2784 aswOfferTool.exe -
Checks for any installed AV software in registry 1 TTPs 52 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\CertificateFile instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\ChestFolder instup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\SetupLog = "C:\\ProgramData\\Avast Software\\Persistent Data\\Avast\\Logs\\Setup.log" instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\Instup_IgnoredDownloadTypes instup.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\properties instup.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\properties\burger_client instup.exe Key opened \REGISTRY\MACHINE\Software\AVAST Software\Avast avast_free_antivirus_setup_online_x64.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast avast_free_antivirus_setup_online_x64.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\properties instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\CrashGuardProcessWatcherExclusions instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\ReportFolder instup.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\properties\UseRegistry instup.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\properties\UseRegistry instup.exe Key opened \REGISTRY\MACHINE\Software\Avira\Antivirus instup.exe Key created \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\Instup_IgnoredDownloadTypes instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\ShepherdDebug instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\FwDataFolder instup.exe Key opened \REGISTRY\MACHINE\Software\AVAST Software\Avast instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\LogFolder instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\FwDataFolder instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\DataFolder instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\CrashGuardProcessWatcherExclusions instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\ReportFolder instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\CertificateFile instup.exe Key created \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\DataFolder instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\LicenseFile instup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\SetupLog = "C:\\ProgramData\\Avast Software\\Persistent Data\\Avast\\Logs\\Setup.log" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\properties\UseRegistry = "1" instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\TempFolder instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\JournalFolder instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\LicenseFile instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\ShepherdDebug instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\ProgramFolder instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\JournalFolder instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\LogFolder instup.exe Key opened \Registry\MACHINE\SOFTWARE\Avast Software\Avast avast_free_antivirus_setup_online_x64.exe Key created \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\properties instup.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast instup.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\properties\settings instup.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\properties\burger_client instup.exe Key opened \REGISTRY\MACHINE\Software\AVAST Software\Avast instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\TempFolder instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\ChestFolder instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\MovedFolder instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\ProgramFolder instup.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\MovedFolder instup.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Avast Software\Avast\properties\settings instup.exe Key opened \REGISTRY\MACHINE\Software\Avira\Antivirus instup.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 4 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 instup.exe File opened for modification \??\PhysicalDrive0 instup.exe File opened for modification \??\PhysicalDrive0 c485536f8d1a635cbce0960872c7c5c952bf6af170c0c0a239067e139b967227.exe File opened for modification \??\PhysicalDrive0 avast_free_antivirus_setup_online_x64.exe -
Embeds OpenSSL 1 IoCs
Embeds OpenSSL, may be used to circumvent TLS interception.
resource yara_rule behavioral2/files/0x0008000000023bb4-44.dat embeds_openssl -
System Location Discovery: System Language Discovery 1 TTPs 6 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 c485536f8d1a635cbce0960872c7c5c952bf6af170c0c0a239067e139b967227.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aswOfferTool.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aswOfferTool.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aswOfferTool.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aswOfferTool.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aswOfferTool.exe -
Checks processor information in registry 2 TTPs 15 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 instup.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision instup.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 instup.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 instup.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature instup.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString instup.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature instup.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString instup.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision instup.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 instup.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz instup.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 avast_free_antivirus_setup_online_x64.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature avast_free_antivirus_setup_online_x64.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision avast_free_antivirus_setup_online_x64.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz instup.exe -
Modifies registry class 64 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\SfxInstProgress = "78" avast_free_antivirus_setup_online_x64.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_Description = "Checking install conditions" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "7" instup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_Description = "File downloaded: avbugreport_x64_ais-a4e.vpx" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "78" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "76" instup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_Description = "Extracting file: instup.dll" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\SfxInstProgress = "85" avast_free_antivirus_setup_online_x64.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "42" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "43" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "48" instup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_Description = "Updating package: avbugreport_x64_ais" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "12" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "16" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "50" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "60" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Main = "37" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\SfxInstProgress = "14" avast_free_antivirus_setup_online_x64.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "3" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_Installation_Main = "0" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "6" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "84" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "68" instup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_Description = "File downloaded: servers.def.vpx" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "72" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "74" instup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_Description = "File downloaded: offertool_x64_ais-a4e.vpx" instup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_Description = "Checking install conditions" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "8" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "38" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "40" instup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_Description = "File downloaded: instcont_x64_ais-a4e.vpx" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "69" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\SfxInstProgress = "21" avast_free_antivirus_setup_online_x64.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_Description = "File downloaded: prod-pgm.vpx" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "27" instup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_Description = "File downloaded: avdump_x86_ais-a4e.vpx" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "95" instup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_Description = "Extracting file: AvDump.exe" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "5" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "33" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "87" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Main = "75" instup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_Description = "Updating package: sbr_x64_ais" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "97" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\SfxInstProgress = "7" avast_free_antivirus_setup_online_x64.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "0" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "100" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "14" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "82" instup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_Description = "File downloaded: setgui_x64_ais-a4e.vpx" instup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_Description = "Extracting file: AvBugReport.exe" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "2" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "52" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "62" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "37" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "59" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "91" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "64" instup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_Description = "Updating package: instup_x64_ais" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\SfxInstProgress = "35" avast_free_antivirus_setup_online_x64.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "54" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Syncer = "86" instup.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AvastPersistentStorage\InstupProgress_UpdateSetup_Main = "87" instup.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2416 avast_free_antivirus_setup_online_x64.exe 2416 avast_free_antivirus_setup_online_x64.exe 2416 avast_free_antivirus_setup_online_x64.exe 2416 avast_free_antivirus_setup_online_x64.exe 3472 instup.exe 3472 instup.exe 3472 instup.exe 3472 instup.exe 3472 instup.exe 3472 instup.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: 32 2416 avast_free_antivirus_setup_online_x64.exe Token: SeDebugPrivilege 2416 avast_free_antivirus_setup_online_x64.exe Token: SeDebugPrivilege 4596 instup.exe Token: 32 4596 instup.exe Token: SeDebugPrivilege 3472 instup.exe Token: 32 3472 instup.exe Token: SeDebugPrivilege 2900 aswOfferTool.exe Token: SeImpersonatePrivilege 2900 aswOfferTool.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4596 instup.exe 3472 instup.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4120 wrote to memory of 2416 4120 c485536f8d1a635cbce0960872c7c5c952bf6af170c0c0a239067e139b967227.exe 92 PID 4120 wrote to memory of 2416 4120 c485536f8d1a635cbce0960872c7c5c952bf6af170c0c0a239067e139b967227.exe 92 PID 2416 wrote to memory of 4596 2416 avast_free_antivirus_setup_online_x64.exe 93 PID 2416 wrote to memory of 4596 2416 avast_free_antivirus_setup_online_x64.exe 93 PID 4596 wrote to memory of 3472 4596 instup.exe 96 PID 4596 wrote to memory of 3472 4596 instup.exe 96 PID 3472 wrote to memory of 3068 3472 instup.exe 97 PID 3472 wrote to memory of 3068 3472 instup.exe 97 PID 3472 wrote to memory of 3068 3472 instup.exe 97 PID 3472 wrote to memory of 868 3472 instup.exe 98 PID 3472 wrote to memory of 868 3472 instup.exe 98 PID 3472 wrote to memory of 868 3472 instup.exe 98 PID 3472 wrote to memory of 2900 3472 instup.exe 99 PID 3472 wrote to memory of 2900 3472 instup.exe 99 PID 3472 wrote to memory of 2900 3472 instup.exe 99 PID 3472 wrote to memory of 2784 3472 instup.exe 102 PID 3472 wrote to memory of 2784 3472 instup.exe 102 PID 3472 wrote to memory of 2784 3472 instup.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\c485536f8d1a635cbce0960872c7c5c952bf6af170c0c0a239067e139b967227.exe"C:\Users\Admin\AppData\Local\Temp\c485536f8d1a635cbce0960872c7c5c952bf6af170c0c0a239067e139b967227.exe"1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4120 -
C:\Windows\Temp\asw.5b4d3c1ea636b15e\avast_free_antivirus_setup_online_x64.exe"C:\Windows\Temp\asw.5b4d3c1ea636b15e\avast_free_antivirus_setup_online_x64.exe" /cookie:mmm_ava_tst_007_402_a /ga_clientid:97855599-3801-48f8-8614-7756b6577e27 /edat_dir:C:\Windows\Temp\asw.5b4d3c1ea636b15e2⤵
- Executes dropped EXE
- Checks for any installed AV software in registry
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2416 -
C:\Windows\Temp\asw.a23c07ac08cdd441\instup.exe"C:\Windows\Temp\asw.a23c07ac08cdd441\instup.exe" /sfx:lite /sfxstorage:C:\Windows\Temp\asw.a23c07ac08cdd441 /edition:1 /prod:ais /stub_context:869f13e2-9cdf-4ff4-979f-443b3a7c19b8:11072232 /guid:7121f573-29a3-472a-bda1-158acf21ef78 /ga_clientid:97855599-3801-48f8-8614-7756b6577e27 /no_delayed_installation /cookie:mmm_ava_tst_007_402_a /ga_clientid:97855599-3801-48f8-8614-7756b6577e27 /edat_dir:C:\Windows\Temp\asw.5b4d3c1ea636b15e3⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks for any installed AV software in registry
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4596 -
C:\Windows\Temp\asw.a23c07ac08cdd441\New_180a17f5\instup.exe"C:\Windows\Temp\asw.a23c07ac08cdd441\New_180a17f5\instup.exe" /sfx /sfxstorage:C:\Windows\Temp\asw.a23c07ac08cdd441 /edition:1 /prod:ais /stub_context:869f13e2-9cdf-4ff4-979f-443b3a7c19b8:11072232 /guid:7121f573-29a3-472a-bda1-158acf21ef78 /ga_clientid:97855599-3801-48f8-8614-7756b6577e27 /no_delayed_installation /cookie:mmm_ava_tst_007_402_a /edat_dir:C:\Windows\Temp\asw.5b4d3c1ea636b15e /online_installer4⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks for any installed AV software in registry
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3472 -
C:\Windows\Temp\asw.a23c07ac08cdd441\New_180a17f5\aswOfferTool.exe"C:\Windows\Temp\asw.a23c07ac08cdd441\New_180a17f5\aswOfferTool.exe" -checkGToolbar -elevated5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3068
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C:\Windows\Temp\asw.a23c07ac08cdd441\New_180a17f5\aswOfferTool.exe"C:\Windows\Temp\asw.a23c07ac08cdd441\New_180a17f5\aswOfferTool.exe" /check_secure_browser5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:868
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C:\Windows\Temp\asw.a23c07ac08cdd441\New_180a17f5\aswOfferTool.exe"C:\Windows\Temp\asw.a23c07ac08cdd441\New_180a17f5\aswOfferTool.exe" -checkChromeReactivation -elevated -bc=AVFC5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2900 -
C:\Users\Public\Documents\aswOfferTool.exe"C:\Users\Public\Documents\aswOfferTool.exe" -checkChromeReactivation -bc=AVFC6⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1064
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C:\Windows\Temp\asw.a23c07ac08cdd441\New_180a17f5\aswOfferTool.exe"C:\Windows\Temp\asw.a23c07ac08cdd441\New_180a17f5\aswOfferTool.exe" -checkChrome -elevated5⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2784
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD5f36806a7b43d788c10e1defed8308d9c
SHA1ba8b93cddcabaa49ce75ff94a47f6ccf5f20ffc0
SHA256b721317acc9fbdb6017f0ab44576070091e1ce7d9e03e40fe4971b783037be5e
SHA5124c6a8b939f3d0ad2b81b2d0d8ec68755c6c281392c3439359bda6dc38cc9b331a5ecadf2430ea5e118b632b2485120fecfafadaa7fce65adcacaf6494283b446
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Filesize
1KB
MD5ce9689a161e19baf28df55d097c482cd
SHA1106c943ad8806349887038725c9a4ab8aa31c4d9
SHA256e6719a5da5271a3e7860575832421578fa2f05245d63f87c5a4050d56440d633
SHA51290b691ecf3fbb15c852cf0e61d7c036543c66898f25d98b811a2b4f13fa656e4963cc7845b08acefb8b7321d22428d9904536362251127bac91737657e27fcd0
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Filesize
281B
MD5a1887f77413905157db2fbc253b6ee96
SHA1502c323f760ab3d9771e48362389e0c9c178621e
SHA256d48e42d32beaa3a0942701c64934688205c6a6703678982351ebed6a1da23001
SHA5121517e87854f92d1d8c2f7ea3cbd459baaa28d0bfcb369431824a4ea59d07c7bc61583da66bcd8b0bde627fbae4feb9ed6ad34e78ec499a9a34ceeddeab6d393f
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Filesize
867KB
MD53ead47f44293e18d66fb32259904197a
SHA1e61e88bd81c05d4678aeb2d62c75dee35a25d16b
SHA256e0d08b9da7e502ad8c75f8be52e9a08a6bcd0c5f98d360704173be33777e4905
SHA512927a134bdaec1c7c13d11e4044b30f7c45bbb23d5caf1756c2beada6507a69df0a2e6252ec28a913861e4924d1c766704f1036d7fc39c6ddb22e5eb81f3007f0
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Filesize
10.6MB
MD5285b70b3ac1698009e386ece00acee56
SHA1dda4d5748970490ca1100d7e076045b3648008a3
SHA256df8b438844b84bae4a78bd4a593fd28be2fd58a0fd431e4b942661eea9476dc0
SHA5125c4a1819cd444d576e81fa10a686dabce9e66fae197aa1668cc2d394289a2722eeed7f88f5d3b80b2c9526ede50cb03deba999ecbaeb30e212c91e84b540580f
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Filesize
21B
MD558d47cfa451dfb6748be33a8f4069f49
SHA17ca703bc598c8ed5d98407833ecebe7d5efec80b
SHA2568ebbec1ccab81b5ab09770e38ed72b0f830c5bbdabd1e68979c9dd79bb278883
SHA5124f636e1664c3884f6406aede91d8c6e2a0cff876d1be45014307c8a247f267f8b8db8a67edf43ee989fd59e1a74ab047d96cbac308d57cb00576cf4af14d4afb
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Filesize
4.0MB
MD5b0e91293160024bfc0302bbdadd0bb9c
SHA1005fbe3c47213d4b791c05f2a8a6932dc70357e9
SHA2563db7c1fc402a689bb160ed2d0bc12edb6765307c725ad02e7b27510008b4f8ca
SHA512f7239b26fedc2a90c2b267467781ff26512890b879772bcc0809409a368fefd74a8930d8d4958559381dd57f7bdc769668c5ec638b5ad82e4a20a1e0217e9304
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Filesize
21.7MB
MD50d09efc988c41b14c4fd0bd9c1457b87
SHA17c8bb0b4760edfc009e8b122124aa2b70e1da93a
SHA25649ae4e9a468593038c1ab7fd6f988ddc0eace7e8c3c407c53b130e2eba1506fb
SHA512b54c3ab104ce574690155d672146be30a1ae45abec71ddaad81ba16f9435f76deb4daccab628b006cbde0e9c9a85b99a3b8a33ad4dd3ebdc05a2dbb963062993
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Filesize
3.7MB
MD56179a6bcb9d35753d2deb3c1594a9bad
SHA1d114563b01f474084efd2c4f7edef133cdc1018f
SHA2560f1d9af4f5eee63bf1959ec61e459f9f304c77ba3af29cbd640910661ecbe2d2
SHA5122cd159f3de29a011d4b6c807e87c3b404e311f39d015b5760febab1f480cca9bb8472ec53e912d526eaba65f58659acea1530923caa6c2baa60cfd9f98786f69
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Filesize
20KB
MD5aa4483fee9197dcc99ad3e6fd1ed976a
SHA1a7a70cc9d0cab661aa276a718eea9f5b4b417674
SHA256c782bd3a455f7236c1f99d3f85805ebb8b79ff622d1a989d148b1c7db5ee2b31
SHA51269b127b1516b447786d7cf0604fb75db1fff95f6d755c9f698a3164c8685a87dd3b288bcc70566b1e6c3aed444ee5db0321c19830e95750b79233952ba8188e8
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Filesize
1KB
MD5cef9d7aa3866841bac4eee9c9dec4c19
SHA13920fa538252f9a5ee657e41e572546b2bd4d9e0
SHA2569aae6a0acc7d7a2d2c62ead1f422805f2a728aff6d606c9256309a53bf6852f9
SHA5128c50678eeccd6e4c6bd6ee49704b3718c99e45be0999aee37b1c2251dee477ef65bb5b198379e09dc97c4ec4520dc3cd301a7b41027665975a6e36ec1c177c51
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Filesize
5.6MB
MD5842ce0dd7cb9f7da03deeaca914d2601
SHA14fb1155f24c0a21ce05422acef92315b28cd00b0
SHA2568611887d7a6d0e09154624ae8842101b75cebb9fbfed3ea5b75757dbf27f9c2b
SHA512afc099e544c225ee59ea322b9e8214eaa52e38f87c3ef1e9c1342381ed6297edf0f2305e110e0161a8bc285282277e8f71d97c6975be2692694b252b7fc14227
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Filesize
3.3MB
MD51015a45d5a55cc49d7c9c7b738059b42
SHA1378b0613fdb97f20c4fa7ada4d6ff477235ed714
SHA256540d3f4ac06e02499b99a63e385fad6b9da3a0ddddd0f53c471fa337b29f6c9c
SHA5120ea22eee2e4888a14ec99f288e115e94787dc98e4e23431fcecc19a7b54f5f7511b01317709a1fc5df667f97b7eda25d0cdb54b15b1e26c8d14921462a43089e
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Filesize
40KB
MD507292303fa96e9a1e7d09757fdc4ab5a
SHA15e8b274e31db849bba8a59764a01855e727e3461
SHA256ead2096f3750cbb5fdd7cbc47442c6b9b74e9972701557b4242586f95620704b
SHA5123d3caf84cfeae8a575b01470606c500857e6d8bdb525aabdf213f3ccaeb5a338df9463f391f73ceec5f36fce668a35c28b2b6f553d4bd31a2d661aa2966728bf
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Filesize
33KB
MD5b2502251d7795503a70b7e60f3a5dd3f
SHA1717e38516fc1ec1dc8aa72d1f901d4318cd428be
SHA256d47e71fa865949a2faf3e03022f1ca0a61bee18807f6e09f1af9f08f8415fe61
SHA51283c4a3fa101a3a0f298d55ab1d556c4d4a48b202465f5cdc45b4c44f6247296b10c62a15f07bbe589e596ce00164ef95b44855886ebf87b3a48acad2abd5b9e7
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Filesize
32KB
MD55a0f70dfbf66819ca9c50d6ac6f3702a
SHA1ab4d2eac9985dba69422cf8cd6bc36846eda1855
SHA25631acc29e2df1d0841bbe81db1c28e145d44aa5805c3fd3a1615b6768a08514c2
SHA51213b24f45680e1607dc6fd2560b697918d11c4d8fec1ef561961e5846887f37623470782e36daa16005bf52142de3bd2ff15860c015a798e4729d6625c335c0ad
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Filesize
887B
MD5d9ce12fa8862809891ecd4e3f5de1790
SHA12a84a6de467a2bda1914ec028850a69313ba4098
SHA25668dc2c240dedd1f6f94c4ab4105d95b743923b28e33ea3e061f8eacadb11ec01
SHA51271e8dffbf597c15dd9b491c8af2a8ef991d49d0d294d2ea8d267945e4fe0ad0380c77568542c7bef42d0a744cfdb05eee389c88142cf4b3c0b417e94639e56f6
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Filesize
2.4MB
MD56f6329510f25a07190dcb390f64aafb0
SHA1bb01be426c6b48ffd4de21bbc8b57d5ac98dcd3b
SHA256d494b12aeb973291ed85ff0ff94f734a827f14f52f9b2888824caad56a8192f1
SHA5125a140f6748348159ea00a686e555aa514d356a4855f75560110ac7745b172cf7e69861599d74596300252a0249f7671637d49b1cd2a63f2f43aaf818dca198f6
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Filesize
700B
MD50487afba722c75421dab5ad76c907b64
SHA12af01aae124736188c6879265bc8e5b8aaf5f633
SHA256756380ea118c2bc721918c7fe94300032667b3f5a143b6374246e80339833019
SHA51223047f15ca793efd76614034455653960540b7831b726234501f8bb3d057ac48ce7fef0370cb4adbffe1f1c37d4199176a701479c8824afbe3ae55ca5714ac1d
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Filesize
74KB
MD57e65c81832ebfd31aaa0971528adfe72
SHA159394751b3e14f516152747902e6d8f1c0799b54
SHA256bf4f0f44ab05c6585ab85b1d2b3ad7b36ca229dc39205069bda05674d6a6e034
SHA5129c6a2885b8a8dab5181052205ae9b4a53731242d5ab0e3e23e3d0be53c28c1e6800b6d9c5451a5f28a50b617f71dd457db109de32e852ac9b268962b8d997916
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Filesize
4KB
MD59e51873b5404f36f66233ab303691c3c
SHA1829708f060b08fac4fc0474d2eddc76ba8a0d560
SHA256bece96f0fdacad51d9b490a4ecf7e129ef8feace87795d9ba9cb7901536d3f58
SHA5120d9b13ae03de4c94f0863a576a986810ba0d0d0cab1a8676f160628a66e26d76f673ca51f7e7ac48dd507b358a41220a94bb5dbbc96ed9dd95c29dc4c1288e6c
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Filesize
11KB
MD5fbaf91e11247fcacda8bbba7e78e5aae
SHA188d882c06b0f3c30d69fe1aa018d921f1264a8bc
SHA256d5b2609e3056fb970c1ff0dd020add9fb95208c520058308595ea9a550f40317
SHA512b5e647dfe1bfa9a81235ab91719548ac473b32f31a0c0515bf79191c23e35bc48d1654c31258df35150e27357f5e9f615b4c63450e77d081396a6c7425aaa99b
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Filesize
573B
MD5db09685c045dc0df0552427c752a1aa7
SHA1eb0e8e1e9839e7517efb7fedfa7edabc5d57587a
SHA2569219680462bef7060264ac63d21f3332daf0fca5090cae295427710895be0002
SHA512d0b4b1c23557aa18a5ca9299c7269cd2221ec8b155b9ec9c045f6ddb612f1979a9d3e78ae395dc6e515338ee8bdf13225a1cafc903bc800a22b9b9e3489a462b
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Filesize
342B
MD58499e8596ec1c873e132662092da0a85
SHA1dd27c53c9fb86cbcc367182fccf8bd0af6ebb763
SHA25626d22504cae4bb0e7de6e10317a97aa4be15a0a3fa9bf2d735d89213696e0712
SHA512f06bcf0f8239a15c78b8113d27c60b32bcdc1be25d913ef3356ca5a58349e12b14b6673838e83972d81e90e338d948781626d5ff6db3a6fea303b8aead98824d
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Filesize
342B
MD5fa7efdecc2537c953bb8a49f6ac54224
SHA168821ae21e5c476b5f451bd5a0a6fb6650a421f1
SHA25616ee2337d70bd3241362fd815d6ccf948836e3c5bfa1eb7921592ac909c0cba9
SHA5123f4e9d2e016b3d47fa2492dd0c7788bd2d320fcc39dca850ffa94d1ceaf212573f76c3e8305817ee282811f7533284a1619987ceaaee6858c8702d5cf412f538
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Filesize
29KB
MD5b1960612149e68ce8d6f4827c5b39073
SHA16259a3ebd659bb63ec59fab4c8e1aa79092692a4
SHA256847bd020bc930856d25c54d5fa03278b0e6b2434f2560f3c6b7c000332012173
SHA51281d2737ca459d8fb3aab6dede1c666efdb6c3a851f1018a8b2d5166060de05fff7abb8eaa9e24ee441137033bd0574ce107ef9d3abd93ddde4b86cda76625423
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Filesize
2KB
MD5eab5eaa228b24e2a0c3313fc200caa97
SHA1407dd379fd78df5b31585931fc567a1f9a3da40c
SHA2565d784971dcc44fd271dccb4351ebabb16b3170ff680ccfa64dc848a4125651fa
SHA512126b2bf2a5fe7a4d78eb766f95e4e7fc15095876ffc25f0955f1d073f351281b3d7a8f1cc3c8b8cfad7157e705a0d8019b28a82ce72c15f02cd31029b801bb0a
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Filesize
38KB
MD52968b90417f9078ef3ec90887589bcbc
SHA136ce6e67601513bd6efa46085a5570dfe0946f03
SHA256f2de3592da42e4d30ffbfe8215539e08b0d9d7a4812b48a7a0ffe2da4f10db5b
SHA512f84b09bfd16d8564b265e9616501a09fd60b702a3871efa083ed2bbe950c52de3123829b295c360f36a6f8e0a6feb29430d7d22059e64931459cc056eec2e779
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Filesize
29KB
MD5b49ac1e7007e1e445c45fc906e96687e
SHA1b33adeb3d8ad516a3fe826cc3f48f9c6e67030cb
SHA256da17cf39c773ab3048e767aff993458e284837287e8c4af0d139ad71f3459ff8
SHA512e3ef8ef9423552281dc12e25eeef69b954e50bc844442d7e0de9c7e066c53e62dc84a43e44428caff1e18b06470c17d25e65825c07f5f85535d97ace23f05ba2
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Filesize
16KB
MD563e7a59b7d1f9405ba1a0e685ca98af7
SHA1c90d503b31b8027a0fbbe1f0008021e27ce42609
SHA25603cee410775634e7570b80077ca95e47cbafbdf982c19ac2e222726d28b9a584
SHA5129b70322f966accc16435bd3869106be18ac7e21962846938e64c7001c663cbd1ea7a7662e0d85af97af05820192ceb0bb01d65cff3d7bbe8467b873a872d644f