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Analysis
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max time kernel
271s -
max time network
302s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-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
MSVCR100.dll
-
Size
755KB
-
MD5
bf38660a9125935658cfa3e53fdc7d65
-
SHA1
0b51fb415ec89848f339f8989d323bea722bfd70
-
SHA256
60c06e0fa4449314da3a0a87c1a9d9577df99226f943637e06f61188e5862efa
-
SHA512
25f521ffe25a950d0f1a4de63b04cb62e2a3b0e72e7405799586913208bf8f8fa52aa34e96a9cc6ee47afcd41870f3aa0cd8289c53461d1b6e792d19b750c9a1
-
SSDEEP
12288:yMmCy3nAgPAxN9ueqix/HEmxsvGrif8ZSy+rdQw2QRAtd74/vmYK6H3BV0eAI:dmCy3KxW3ixPEmxsvGrm8Z6r+JQPzV4I
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1408 4116 WerFault.exe 85 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3648 wrote to memory of 4116 3648 rundll32.exe 85 PID 3648 wrote to memory of 4116 3648 rundll32.exe 85 PID 3648 wrote to memory of 4116 3648 rundll32.exe 85
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\MSVCR100.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3648 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\MSVCR100.dll,#12⤵PID:4116
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 6003⤵
- Program crash
PID:1408
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4116 -ip 41161⤵PID:2148