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Analysis
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max time kernel
151s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2022, 13:44
Static task
static1
Behavioral task
behavioral1
Sample
b5fc3b4f1994e76c494c2491365ad3dfb3269da99e0b05df15943dfb02bca4c8.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b5fc3b4f1994e76c494c2491365ad3dfb3269da99e0b05df15943dfb02bca4c8.exe
Resource
win10v2004-20220901-en
General
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Target
b5fc3b4f1994e76c494c2491365ad3dfb3269da99e0b05df15943dfb02bca4c8.exe
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Size
820KB
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MD5
930bd59aab563f2528d7e097c4bca942
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SHA1
210cb06ef68428878e9c0202f8d14145d06dfb25
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SHA256
b5fc3b4f1994e76c494c2491365ad3dfb3269da99e0b05df15943dfb02bca4c8
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SHA512
3b05424e50222845b2c137cc0d021f88bfa6601c26783b755e5b9deeac54dbb53469bd30ef00bf0f80dce176c9c51b6b71945377da7e2668f4e83cd1f912d928
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SSDEEP
24576:HlEUEF6NyW/Td/pG1GLN9joOvQPcx2g7X7L8:HlkFNW/zG8EOvYcJz
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1760-132-0x0000000000400000-0x00000000007A6000-memory.dmp upx behavioral2/memory/1760-134-0x0000000000400000-0x00000000007A6000-memory.dmp upx behavioral2/memory/1760-135-0x0000000000400000-0x00000000007A6000-memory.dmp upx behavioral2/memory/1760-136-0x0000000000400000-0x00000000007A6000-memory.dmp upx -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run b5fc3b4f1994e76c494c2491365ad3dfb3269da99e0b05df15943dfb02bca4c8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b5fc3b4f1994e76c494c2491365ad3dfb3269da99e0b05df15943dfb02bca4c8.exe" b5fc3b4f1994e76c494c2491365ad3dfb3269da99e0b05df15943dfb02bca4c8.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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description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main b5fc3b4f1994e76c494c2491365ad3dfb3269da99e0b05df15943dfb02bca4c8.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DefaultCompressedRecord = d580f97f73f1e1b2f84f475049e3118ae2514ed68429873fa4d3b83356e9b9d6c5fd6c8b0189e1cf91c0c361056d1b8b39bc71c2e667185e6b3e5783228bff5fbc17814baebe78b94ff434707afc4c395797ee8027677f8cb5bb262c75826bf22701019fd1aabb b5fc3b4f1994e76c494c2491365ad3dfb3269da99e0b05df15943dfb02bca4c8.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\RecordModifiedMax = "DNK/NWe8i+oX8GK0c21QsXsMzalTd+k6+wRTcME914108v31jIypLQjhrRl9FgxwtQ==" b5fc3b4f1994e76c494c2491365ad3dfb3269da99e0b05df15943dfb02bca4c8.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FlagsModifiedValid = 0000000000000000 b5fc3b4f1994e76c494c2491365ad3dfb3269da99e0b05df15943dfb02bca4c8.exe