Analysis
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max time kernel
93s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2024 21:33
Static task
static1
Behavioral task
behavioral1
Sample
WebView2Loader.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
bin/msvcp140.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
bin/vcruntime140.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral4
Sample
resources/acknowledgements.html
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
resources/changes.html
Resource
win10v2004-20241007-en
General
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Target
bin/vcruntime140.dll
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Size
81KB
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MD5
a2523ea6950e248cbdf18c9ea1a844f6
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SHA1
549c8c2a96605f90d79a872be73efb5d40965444
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SHA256
6823b98c3e922490a2f97f54862d32193900077e49f0360522b19e06e6da24b4
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SHA512
2141c041b6bdbee9ec10088b9d47df02bf72143eb3619e8652296d617efd77697f4dc8727d11998695768843b4e94a47b1aed2c6fb9f097ffc8a42ca7aaaf66a
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SSDEEP
1536:tBYGvQ2+Ub54AE6ZkJrIriwx0AKGsu0g1kq1ecbRMKlB66M5iEBiA:tB7vQ2+a54AE0sAKxQ1ecbRMKlQoE0A
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 2428 2832 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2456 wrote to memory of 2832 2456 rundll32.exe 82 PID 2456 wrote to memory of 2832 2456 rundll32.exe 82 PID 2456 wrote to memory of 2832 2456 rundll32.exe 82
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\vcruntime140.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2456 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\vcruntime140.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2832 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 6003⤵
- Program crash
PID:2428
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2832 -ip 28321⤵PID:3816