Analysis
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max time kernel
144s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07/03/2024, 22:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b9cfc6a7225aa4d223596e877789b92b.exe
Resource
win7-20240221-en
5 signatures
150 seconds
General
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Target
b9cfc6a7225aa4d223596e877789b92b.exe
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Size
987KB
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MD5
b9cfc6a7225aa4d223596e877789b92b
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SHA1
39a3440b163e85f27ba36790d4edb164e56fbb99
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SHA256
0587cc35f4cd7b45f83e3a98c7ab1e786084fcf5ccaec68c15b34ac5c0fb64d4
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SHA512
a1cbaa313878ecb0c1f35290a5a8709637ae115683b102d6ea6368cd883270bb820298f6c5ffd3de246615a07debcd68c76823dc48db3062146c92110b3f8456
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SSDEEP
24576:jgkPnXqTXd/juSyG0uHWm91TExakK021D0HHprQZ8h:jVOd9yG0u2c1VkK/F0v
Malware Config
Signatures
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description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA b9cfc6a7225aa4d223596e877789b92b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4472 4476 WerFault.exe 87 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\IESettingSync b9cfc6a7225aa4d223596e877789b92b.exe Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" b9cfc6a7225aa4d223596e877789b92b.exe Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch b9cfc6a7225aa4d223596e877789b92b.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" b9cfc6a7225aa4d223596e877789b92b.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4476 b9cfc6a7225aa4d223596e877789b92b.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4476 b9cfc6a7225aa4d223596e877789b92b.exe 4476 b9cfc6a7225aa4d223596e877789b92b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b9cfc6a7225aa4d223596e877789b92b.exe"C:\Users\Admin\AppData\Local\Temp\b9cfc6a7225aa4d223596e877789b92b.exe"1⤵
- Checks whether UAC is enabled
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4476 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4476 -s 18922⤵
- Program crash
PID:4472
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4476 -ip 44761⤵PID:4800