Analysis
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max time kernel
82s -
max time network
92s -
platform
windows10-1703_x64 -
resource
win10-20231129-en -
resource tags
arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system -
submitted
12-12-2023 16:28
Behavioral task
behavioral1
Sample
Office 2013-2019 C2R Install v6.4.4/OInstall.exe
Resource
win10-20231023-en
Behavioral task
behavioral2
Sample
Office 2013-2019 C2R Install v6.4.4/files/x64/cleanospp.exe
Resource
win10-20231023-en
Behavioral task
behavioral3
Sample
Office 2013-2019 C2R Install v6.4.4/files/x64/msvcr100.dll
Resource
win10-20231020-en
Behavioral task
behavioral4
Sample
Office 2013-2019 C2R Install v6.4.4/files/x86/cleanospp.exe
Resource
win10-20231020-en
Behavioral task
behavioral5
Sample
Office 2013-2019 C2R Install v6.4.4/files/x86/msvcr100.dll
Resource
win10-20231129-en
General
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Target
Office 2013-2019 C2R Install v6.4.4/files/x86/msvcr100.dll
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Size
755KB
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MD5
bf38660a9125935658cfa3e53fdc7d65
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SHA1
0b51fb415ec89848f339f8989d323bea722bfd70
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SHA256
60c06e0fa4449314da3a0a87c1a9d9577df99226f943637e06f61188e5862efa
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SHA512
25f521ffe25a950d0f1a4de63b04cb62e2a3b0e72e7405799586913208bf8f8fa52aa34e96a9cc6ee47afcd41870f3aa0cd8289c53461d1b6e792d19b750c9a1
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SSDEEP
12288:yMmCy3nAgPAxN9ueqix/HEmxsvGrif8ZSy+rdQw2QRAtd74/vmYK6H3BV0eAI:dmCy3KxW3ixPEmxsvGrm8Z6r+JQPzV4I
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 68 4984 WerFault.exe 74 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4092 wrote to memory of 4984 4092 rundll32.exe 74 PID 4092 wrote to memory of 4984 4092 rundll32.exe 74 PID 4092 wrote to memory of 4984 4092 rundll32.exe 74
Processes
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C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Office 2013-2019 C2R Install v6.4.4\files\x86\msvcr100.dll",#11⤵
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Office 2013-2019 C2R Install v6.4.4\files\x86\msvcr100.dll",#12⤵PID:4984
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 6163⤵
- Program crash
PID:68
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