Analysis
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max time kernel
151s -
max time network
152s -
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, 09:59
Static task
static1
Behavioral task
behavioral1
Sample
e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe
Resource
win10v2004-20220901-en
General
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Target
e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe
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Size
1.4MB
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MD5
53575c172a10d77deff8918868088f06
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SHA1
856b2cde42a8c2b1cd92dc3c1e0f198543a549b9
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SHA256
e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa
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SHA512
5d10a6f9367827685c0aca9be6ad5157b3e418d02f70494077f9fd996714eefae282198498ac1c800f65f4a60fa14f484511b1e74704f3b2598e9f27a3bbef44
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SSDEEP
24576:bB7+bwAgsRBqId04RcztbAWXLneJTrnXz/FR3FplGwQ2NA:bB7+bw5kXW4RcBRXLnedLzFrrGwrA
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1404-136-0x0000000000400000-0x000000000063E000-memory.dmp upx behavioral2/memory/1404-137-0x0000000000400000-0x000000000063E000-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 e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe" e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.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 1404 e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DefaultCompressedRecord = c880f97f73a0bdd39a4bc5b190d5947b28452839b5255e464ee3c57144953034497fb5fcb9a13008702e9a23935584860ab7eff2d2f979528fe8b130fb163bfcb14e9382313220312682e2e4b864148d5e17255c7b677f6c44b64ecda6d5d3e05ae59c876f13c9 e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\RecordModifiedMax = "DMvqasXw7sJX4K3hRpYJyWMdQg9IpNdNmFKGob8cx8sYE7+Td+r2aotNpH0pn8EqQw==" e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FlagsModifiedValid = 0000000000000000 e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 2276 e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe 1404 e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2276 wrote to memory of 1404 2276 e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe 82 PID 2276 wrote to memory of 1404 2276 e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe 82 PID 2276 wrote to memory of 1404 2276 e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe"C:\Users\Admin\AppData\Local\Temp\e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe"1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2276 -
C:\Users\Admin\AppData\Local\Temp\e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe"C:\Users\Admin\AppData\Local\Temp\e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe"lC:\Users\Admin\AppData\Local\Temp\e170967235e8b74558475556f6fb4018894bd7ac98b24d462241ea7fdc78d2fa.exe2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
PID:1404
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