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Analysis
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max time kernel
149s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
24/12/2023, 20:48
Behavioral task
behavioral1
Sample
11e3393a6c58acc727a616ec089565af.exe
Resource
win7-20231215-en
General
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Target
11e3393a6c58acc727a616ec089565af.exe
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Size
666KB
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MD5
11e3393a6c58acc727a616ec089565af
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SHA1
650068a6f84527a8f6ce747e44da07a8e38f9a62
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SHA256
735efc7f9b8e8af4258b10eaef7f34d26845bc747ac1f9cbb9ac3121d1758bbe
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SHA512
54df280c04fdcb176c61a7eb3ce4a1c29f1d14ba5eea878e8f3e62aa93cd4fcd04d6edb2ebf85b3b3c914c1aea256888c92270ab144a85b1dec7deb31c24cd2e
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SSDEEP
12288:CbDqEkMs4q48IAeP0PifTEurPbvdqJplapLWTICNIYPKMTWN4t4OAUw91zRwIMfQ:CXbs48LeP0P8E6dclWLi26KGOqMwIMY
Malware Config
Signatures
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Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 11e3393a6c58acc727a616ec089565af.exe -
resource yara_rule behavioral2/memory/3504-0-0x0000000000400000-0x00000000005C7000-memory.dmp upx behavioral2/memory/3504-4-0x0000000000400000-0x00000000005C7000-memory.dmp upx -
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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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 11e3393a6c58acc727a616ec089565af.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 11e3393a6c58acc727a616ec089565af.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3992 3504 WerFault.exe 88 2316 3504 WerFault.exe 88 -
Suspicious use of SetWindowsHookEx 9 IoCs
pid Process 3504 11e3393a6c58acc727a616ec089565af.exe 3504 11e3393a6c58acc727a616ec089565af.exe 3504 11e3393a6c58acc727a616ec089565af.exe 3504 11e3393a6c58acc727a616ec089565af.exe 3504 11e3393a6c58acc727a616ec089565af.exe 3504 11e3393a6c58acc727a616ec089565af.exe 3504 11e3393a6c58acc727a616ec089565af.exe 3504 11e3393a6c58acc727a616ec089565af.exe 3504 11e3393a6c58acc727a616ec089565af.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\11e3393a6c58acc727a616ec089565af.exe"C:\Users\Admin\AppData\Local\Temp\11e3393a6c58acc727a616ec089565af.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
PID:3504 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3504 -s 26722⤵
- Program crash
PID:3992
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3504 -s 19802⤵
- Program crash
PID:2316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3504 -ip 35041⤵PID:3372
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3504 -ip 35041⤵PID:3160