Analysis
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max time kernel
151s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
29-10-2022 11:20
Static task
static1
Behavioral task
behavioral1
Sample
51f168d860b6c0996cb309ff26f7386083eb35732a8531329b4dc5d4e8c4594b.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
51f168d860b6c0996cb309ff26f7386083eb35732a8531329b4dc5d4e8c4594b.exe
Resource
win10v2004-20220901-en
General
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Target
51f168d860b6c0996cb309ff26f7386083eb35732a8531329b4dc5d4e8c4594b.exe
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Size
1.4MB
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MD5
f44b97de2fa07f075da46e0a1e9654fd
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SHA1
dbc3b9fda52bf06b874701c591ac4fc159a90298
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SHA256
51f168d860b6c0996cb309ff26f7386083eb35732a8531329b4dc5d4e8c4594b
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SHA512
b7f84b8229e7c903695e9b15540454d65ff7c72aa24a734e7666dc400ddc60c7bba5abaa1096128b78cdc3b4372397e0e7906d8c5d22ee536d45ec82fe344c36
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SSDEEP
24576:HdedPaa2nvo5voobEWkeHmQdRPjt02nnHbERYm10tfzE34Buq:HQaa2nQ5vfbFka/bSCbERYmiA41
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3016-133-0x0000000000400000-0x000000000063E000-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 51f168d860b6c0996cb309ff26f7386083eb35732a8531329b4dc5d4e8c4594b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\51f168d860b6c0996cb309ff26f7386083eb35732a8531329b4dc5d4e8c4594b.exe" 51f168d860b6c0996cb309ff26f7386083eb35732a8531329b4dc5d4e8c4594b.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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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3016 51f168d860b6c0996cb309ff26f7386083eb35732a8531329b4dc5d4e8c4594b.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1396 3016 WerFault.exe 80 -
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DefaultCompressedRecord = c880f97f73cd7d9b9ee1d7a25f2d197233c1af17544feedf95d3242f28c9f8e0b5a660ca77d7203b867a6d1a78426eb3cc2685a1ab0785e17a2052c9891d4b0c1535f0cc7f6ad332400d280e574b33fb3c13526d41677f464e045ff7881969dbb64c75dcb140fd 51f168d860b6c0996cb309ff26f7386083eb35732a8531329b4dc5d4e8c4594b.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\RecordModifiedMax = "DIsoqFtd+RjaWoxi6Eic28zqQcKwwwq3gMfnGnOuWwxp00Rt95B+DvkSY5xKYKE1xg==" 51f168d860b6c0996cb309ff26f7386083eb35732a8531329b4dc5d4e8c4594b.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FlagsModifiedValid = 0000000000000000 51f168d860b6c0996cb309ff26f7386083eb35732a8531329b4dc5d4e8c4594b.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main 51f168d860b6c0996cb309ff26f7386083eb35732a8531329b4dc5d4e8c4594b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\51f168d860b6c0996cb309ff26f7386083eb35732a8531329b4dc5d4e8c4594b.exe"C:\Users\Admin\AppData\Local\Temp\51f168d860b6c0996cb309ff26f7386083eb35732a8531329b4dc5d4e8c4594b.exe"1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Internet Explorer settings
PID:3016 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 5282⤵
- Program crash
PID:1396
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 3016 -ip 30161⤵PID:2352