Overview
overview
8Static
static
5BulkMailer...e.xlsx
windows10-2004-x64
1BulkMailer...e.xlsx
windows11-ltsc_2024-x64
8BulkMailer...dex.js
windows10-2004-x64
3BulkMailer...dex.js
windows11-ltsc_2024-x64
8BulkMailer...e.xlsx
windows10-2004-x64
1BulkMailer...e.xlsx
windows11-ltsc_2024-x64
8BulkMailer...dex.js
windows10-2004-x64
3BulkMailer...dex.js
windows11-ltsc_2024-x64
8emailcampa...26.pdf
windows10-2004-x64
3emailcampa...26.pdf
windows11-ltsc_2024-x64
emailcampa...a.xlsx
windows10-2004-x64
1emailcampa...a.xlsx
windows11-ltsc_2024-x64
8emailcampa...gns.js
windows10-2004-x64
3emailcampa...gns.js
windows11-ltsc_2024-x64
8emailcampa...e.xlsx
windows10-2004-x64
1emailcampa...e.xlsx
windows11-ltsc_2024-x64
1emailcampa...dex.js
windows10-2004-x64
3emailcampa...dex.js
windows11-ltsc_2024-x64
3emailcampa...s.xlsx
windows10-2004-x64
1emailcampa...s.xlsx
windows11-ltsc_2024-x64
8emailcampa...er.ps1
windows10-2004-x64
3emailcampa...er.ps1
windows11-ltsc_2024-x64
8emailcampa...le.ps1
windows10-2004-x64
3emailcampa...le.ps1
windows11-ltsc_2024-x64
emailcampa...on.ps1
windows10-2004-x64
3emailcampa...on.ps1
windows11-ltsc_2024-x64
3emailcampa...eg.ps1
windows10-2004-x64
3emailcampa...eg.ps1
windows11-ltsc_2024-x64
8emailcampa...gth.js
windows10-2004-x64
3emailcampa...gth.js
windows11-ltsc_2024-x64
8emailcampa...ny.ps1
windows10-2004-x64
3emailcampa...ny.ps1
windows11-ltsc_2024-x64
3Analysis
- max time kernel
104s - max time network
135s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/07/2026, 12:14
Behavioral task
behavioral1
Sample
BulkMailer_App/email_recipients_sample.xlsx
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
BulkMailer_App/email_recipients_sample.xlsx
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral3
Sample
BulkMailer_App/index.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
BulkMailer_App/index.js
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral5
Sample
BulkMailer_v2/email_recipients_sample.xlsx
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
BulkMailer_v2/email_recipients_sample.xlsx
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral7
Sample
BulkMailer_v2/index.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
BulkMailer_v2/index.js
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral9
Sample
emailcampaign1/attachments/15th_-Edition_Tax_Strategy___Planning_Summit___Awards_2026.pdf
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
emailcampaign1/attachments/15th_-Edition_Tax_Strategy___Planning_Summit___Awards_2026.pdf
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral11
Sample
emailcampaign1/attachments/CSR_Pune_HR_Data.xlsx
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
emailcampaign1/attachments/CSR_Pune_HR_Data.xlsx
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral13
Sample
emailcampaign1/campaigns.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
emailcampaign1/campaigns.js
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral15
Sample
emailcampaign1/email_recipients_sample.xlsx
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
emailcampaign1/email_recipients_sample.xlsx
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral17
Sample
emailcampaign1/index.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
emailcampaign1/index.js
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral19
Sample
emailcampaign1/uploads/recipients.xlsx
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
emailcampaign1/uploads/recipients.xlsx
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral21
Sample
emailcampaign1/vendor/composer/ClassLoader.ps1
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
emailcampaign1/vendor/composer/ClassLoader.ps1
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral23
Sample
emailcampaign1/vendor/composer/pcre/src/PHPStan/InvalidRegexPatternRule.ps1
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
emailcampaign1/vendor/composer/pcre/src/PHPStan/InvalidRegexPatternRule.ps1
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral25
Sample
emailcampaign1/vendor/composer/pcre/src/PcreException.ps1
Resource
win10v2004-20260513-en
Behavioral task
behavioral26
Sample
emailcampaign1/vendor/composer/pcre/src/PcreException.ps1
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral27
Sample
emailcampaign1/vendor/composer/pcre/src/Preg.ps1
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
emailcampaign1/vendor/composer/pcre/src/Preg.ps1
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral29
Sample
emailcampaign1/vendor/maennchen/zipstream-php/guides/ContentLength.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral30
Sample
emailcampaign1/vendor/maennchen/zipstream-php/guides/ContentLength.js
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral31
Sample
emailcampaign1/vendor/maennchen/zipstream-php/guides/Symfony.ps1
Resource
win10v2004-20260513-en
Behavioral task
behavioral32
Sample
emailcampaign1/vendor/maennchen/zipstream-php/guides/Symfony.ps1
Resource
win11ltsc2024-20260706-en
General
- Target BulkMailer_App/email_recipients_sample.xlsx
- Size 5KB
- Sample260708-peh6baft31
- SHA256 88c0ab7c4ce0c85a842f570b442735f53140f012e3732b965a3c1499efe08be7
- MD5 25a74d68502d8752b5705c9a1438e68f
- SHA1 383f078250dbe5a637a9e62c77a792bff2ec287b
- SHA512 2e995df921d6b1264192101b44b09cbadab53302b7fa6215c3d1cb66dd548cabc9e533356bf1e1812cb7e5c5adbdb54f90354bb4bc7754d95c7a2a9e379bd919
- SSDEEP 96:6sv3Ei6wAleemuGp7GAuj3O/ahYwekTfG5pdkF0ZMy/88bvVn:6svUH3lquGZGjO/ahY3Qf8H88n
- TLSH T165B17E45C6CE1D38D506DA71D1096BA69F4C3C86C2285F0773B16A7D18B77E88B8B49C
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe - Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: explorer.exe File opened (read-only) \??\F: explorer.exe - Checks SCSI registry key(s) 3 TTPs 62 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{259abffc-50a7-47ce-af08-68c9a7d73366}\000C explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\007A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0002 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\FriendlyName explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Capabilities explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\0064 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\007A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\FriendlyName explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\UpperFilters explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\HardwareID explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0004 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0004 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_HL-DT-ST_DVD+-RW\4&215468A5&0&010000 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0002 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0004 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{259abffc-50a7-47ce-af08-68c9a7d73366}\000C explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\HardwareID explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0003 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{259abffc-50a7-47ce-af08-68c9a7d73366}\000C explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\UpperFilters explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{a45c254e-df1c-4efd-8020-67d146a850e0}\0011 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Capabilities explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0004 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0003 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\0064 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\007A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{259abffc-50a7-47ce-af08-68c9a7d73366}\000C explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\HardwareID explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\FriendlyName explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\ConfigFlags explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0002 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\007A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\0064 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\0064 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{a45c254e-df1c-4efd-8020-67d146a850e0}\0011 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0002 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\ConfigFlags explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Capabilities explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Capabilities explorer.exe - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000\Software\Microsoft\Internet Explorer\Main explorer.exe - Modifies registry class 38 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DomStorageState SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoftwindows.client.cbs SearchHost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\MuiCache SearchHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\client.cbs SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total SearchHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "56" SearchHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoftwindows.client.cbs\ = "56" SearchHost.exe Set value (data) \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\EdpDomStorage SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\Total SearchHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "23" SearchHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.startmenuexperiencehost_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:" StartMenuExperienceHost.exe Set value (data) \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:" SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\client.cbs SearchHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoftwindows.client.cbs\ = "23" SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\microsoftwindows.client.cbs SearchHost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\client.cbs\Total = "23" SearchHost.exe Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2532687178-1633831978-1202193935-1000\{622CBB2D-D16B-41FB-B810-79ACD5A6BE37} explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A0953C92-50DC-43bf-BE83-3742FED03C9C}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\MuiCache StartMenuExperienceHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\client.cbs\Total = "56" SearchHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.startmenuexperiencehost_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix StartMenuExperienceHost.exe Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2532687178-1633831978-1202193935-1000\{8B727F24-FC9E-42D3-A34A-8E33BD2D1C0A} explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.startmenuexperiencehost_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" StartMenuExperienceHost.exe Key created \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{374DE290-123F-4565-9164-39C4925E467B}\Instance\ explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2532687178-1633831978-1202193935-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix SearchHost.exe - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5220 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4544 explorer.exe 4544 explorer.exe - Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe Token: SeShutdownPrivilege 4544 explorer.exe Token: SeCreatePagefilePrivilege 4544 explorer.exe - Suspicious use of FindShellTrayWindow 54 IoCs
pid Process 5848 sihost.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe - Suspicious use of SendNotifyMessage 43 IoCs
pid Process 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe 4544 explorer.exe - Suspicious use of SetWindowsHookEx 17 IoCs
pid Process 5220 EXCEL.EXE 5220 EXCEL.EXE 5220 EXCEL.EXE 5220 EXCEL.EXE 5220 EXCEL.EXE 5220 EXCEL.EXE 5220 EXCEL.EXE 5220 EXCEL.EXE 5220 EXCEL.EXE 5220 EXCEL.EXE 5220 EXCEL.EXE 5220 EXCEL.EXE 5220 EXCEL.EXE 5220 EXCEL.EXE 912 StartMenuExperienceHost.exe 1176 SearchHost.exe 4544 explorer.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5848 wrote to memory of 4544 5848 sihost.exe 95 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\BulkMailer_App\email_recipients_sample.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:5220
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C:\Windows\system32\sihost.exesihost.exe1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5848 -
C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵
- Boot or Logon Autostart Execution: Active Setup
- Enumerates connected drives
- Checks SCSI registry key(s)
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:4544
-
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1176
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:912
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
- Size 603B
- SHA256 b162cad3e5056ed4fc0b7ea8dcb12c1ef3631852158a72df85c1ec280c90ce97
- MD5 ed07b0e3316b5ee3273a85b1199c72cd
- SHA1 7918a417328810df54e05e6b04817d8d5445e10d
- SHA512 5002183a1ee175aeddfe27670808bedc79c612300405a852aa0d6ab985192c3bde0dcace48590ad9e0b3ea89daa65315772674f6e7e194bf1663fbb1b73498a3
- TLSH T1B1F027D7D79597A9E413123CCC9665D17531F6A0B98322338041AF5D6D3AB21AE424F8
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
- Size 599B
- SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
- MD5 658ab8c32d4cc5deb36ac5f63da4658b
- SHA1 30c12cd871ff0c2c4098d794e9ae4f2540586813
- SHA512 a73030c008ef3c2e274f11c90bfe79fa8ae402f76801c710bed8cc1ab1218a84858ea566b772be4bade8ef639a019c57d297028df15b64b3753482cf0f3c8f85
- TLSH T12AF05C83EB6A1B72C456123DC8EE56E47B31D1846EC11367A2107B1D3C2B7192D174BD
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 1KB
- SHA256 69ce312d8502f3c9bc6322fd6370c21a11d38cf7de897f61aed99f981a78060e
- MD5 b7067d4589afb898c65530bb0ed9814b
- SHA1 d9e251833f64766842909555d5f6db04b7ac9fce
- SHA512 5e99651e45740273bbf97074a51381782f20546cad5291336d99c6299dfef02f959fcae5446e0465c1ab27c1f4336b7cc6aa45756ea62e9858df061b7c532bdd
- TLSH T1B221F3111F838F57D03D42BC7B3A8359DB20BC669600E30D6B84945F7C66A419C6DE1F
- MD5 SHA1 SHA512 TLSH