Analysis
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max time kernel
44s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
23-10-2022 15:18
Behavioral task
behavioral1
Sample
Open 1230020.pdf
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
Open 1230020.pdf
Resource
win10v2004-20220812-en
General
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Target
Open 1230020.pdf
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Size
105KB
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MD5
1e61a706ba279eb63207b178ed0e3b75
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SHA1
3bbf82f2d383f651c214c93b6c3ef274e51b3df5
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SHA256
72ece46ec35540bcfa11b93f252c5ec8aad85a47a9ee144cbf1e2059f007cf5d
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SHA512
fe7e62e16169143cf2964a1d06cdb52e82e4c7db71a2026230f89ee4dbf5cfcf2490b62494fb98a83f09ee6d68d2cb9ccd67395d40a8de50a1f481e46f4764c3
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SSDEEP
3072:0A8SuPj1TnFPQszEixOAT2L0LQhrHXSb21n:095Ssb1OSmmi
Malware Config
Signatures
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Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\support.google.com\ = "32" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\google.com\Total = "32" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\google.com IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{05212781-52E6-11ED-BE8B-FAA138970F28} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\google.com\Total = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "32" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\support.google.com IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\support.google.com\ = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DOMStorage\google.com\NumberOfSubdomains = "1" IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 1304 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
Processes:
AcroRd32.exeiexplore.exeIEXPLORE.EXEpid process 1436 AcroRd32.exe 1436 AcroRd32.exe 1436 AcroRd32.exe 1436 AcroRd32.exe 1304 iexplore.exe 1304 iexplore.exe 1520 IEXPLORE.EXE 1520 IEXPLORE.EXE 1520 IEXPLORE.EXE 1520 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
AcroRd32.exeiexplore.exedescription pid process target process PID 1436 wrote to memory of 1304 1436 AcroRd32.exe iexplore.exe PID 1436 wrote to memory of 1304 1436 AcroRd32.exe iexplore.exe PID 1436 wrote to memory of 1304 1436 AcroRd32.exe iexplore.exe PID 1436 wrote to memory of 1304 1436 AcroRd32.exe iexplore.exe PID 1304 wrote to memory of 1520 1304 iexplore.exe IEXPLORE.EXE PID 1304 wrote to memory of 1520 1304 iexplore.exe IEXPLORE.EXE PID 1304 wrote to memory of 1520 1304 iexplore.exe IEXPLORE.EXE PID 1304 wrote to memory of 1520 1304 iexplore.exe IEXPLORE.EXE
Processes
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C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Open 1230020.pdf"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" https://docs.google.com/drawings/d/1H93wCc32OpO9DKnW4iR4wy3dQl7cqcmKDNIONVV1pCw/preview?750415340554832006628707202516426852⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1304 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\309axvf\imagestore.datFilesize
9KB
MD570ec44c710f573d0339980cbebf9d7af
SHA14e825ed271c3e3d800e6d1af20ea9c4053ba2538
SHA256d5f60e3287271895324a72add270768eaa2a181106ee1ae13feab83c2fab19ad
SHA512a3182eac87207364378296761a830b639ef47f5377322dc24163b20f9d6b9970811d104719aaa812c0bf43004a47c96e2c4e60f327f9f83a7d01a45b8dddae3f
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memory/1436-54-0x0000000075711000-0x0000000075713000-memory.dmpFilesize
8KB