Analysis
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max time kernel
231s -
max time network
297s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
02-03-2023 11:27
Static task
static1
Behavioral task
behavioral1
Sample
MSVCR100.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral2
Sample
WebView2Loader.dll
Resource
win10v2004-20230221-en
Behavioral task
behavioral3
Sample
at.txt
Resource
win10v2004-20230220-en
Behavioral task
behavioral4
Sample
b.txt
Resource
win10v2004-20230220-en
Behavioral task
behavioral5
Sample
exe.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral6
Sample
i7.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral7
Sample
jli.dll
Resource
win10v2004-20230220-en
General
-
Target
WebView2Loader.dll
-
Size
105KB
-
MD5
61e6b94ab6109254fbef360681f5b80d
-
SHA1
204a5eda5fea33a56edb33b9ccd40af635a04564
-
SHA256
446b4d19ed8fa1563b77a7f36261b76911b208af1d00a805d54e44b01ca3f54a
-
SHA512
93fad29f13c0a18e4864ddf57aeba882fb411b84f6dff993b87295a1b5e4b488433802c2150fbf25a3132379dc2eb3aa02d836059b0ef24a2db4269eb0795a9b
-
SSDEEP
3072:iTC3F6JkULenwAFqz5pV3+Zqocv0T+EtO5pf+gMl/1:iuV66kL5pjxEtqpWRl/1
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4692 836 WerFault.exe 84 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1380 wrote to memory of 836 1380 rundll32.exe 84 PID 1380 wrote to memory of 836 1380 rundll32.exe 84 PID 1380 wrote to memory of 836 1380 rundll32.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\WebView2Loader.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\WebView2Loader.dll,#12⤵PID:836
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 836 -s 6003⤵
- Program crash
PID:4692
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 836 -ip 8361⤵PID:2160