Analysis
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max time kernel
43s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
26-12-2022 05:20
Static task
static1
Behavioral task
behavioral1
Sample
UpdatedFiles/NewFiles.cmd
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
UpdatedFiles/NewFiles.cmd
Resource
win10v2004-20221111-en
Behavioral task
behavioral3
Sample
UpdatedFiles/NewInvoice.dll
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
UpdatedFiles/NewInvoice.dll
Resource
win10v2004-20221111-en
General
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Target
UpdatedFiles/NewInvoice.dll
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Size
817KB
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MD5
7f1ec89288b47335f996b50907bc5280
-
SHA1
dc58e0658fdd33a00e9699acbad6fdeb15daf1c8
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SHA256
670cb4fded7498acfb990704b499cba6907bc279341dd7302ac526b715462c9f
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SHA512
77b008ac80f995bcb102ddac715724928d56c8dd41bff1c1f0109e3691942637a0a592deb892e5c9d6ab866c1a3b07a91218d85a60496baa132a9ed23ed19f6f
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SSDEEP
12288:JJGwvTfCMf8rVomRle7XBr4fi7wDqo4TARMhxMrFND648j4xhT6Tl:JY5rVtcsfi7wDP4TAR0sFN+Ux
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1632 2008 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1988 wrote to memory of 2008 1988 rundll32.exe rundll32.exe PID 1988 wrote to memory of 2008 1988 rundll32.exe rundll32.exe PID 1988 wrote to memory of 2008 1988 rundll32.exe rundll32.exe PID 1988 wrote to memory of 2008 1988 rundll32.exe rundll32.exe PID 1988 wrote to memory of 2008 1988 rundll32.exe rundll32.exe PID 1988 wrote to memory of 2008 1988 rundll32.exe rundll32.exe PID 1988 wrote to memory of 2008 1988 rundll32.exe rundll32.exe PID 2008 wrote to memory of 1632 2008 rundll32.exe WerFault.exe PID 2008 wrote to memory of 1632 2008 rundll32.exe WerFault.exe PID 2008 wrote to memory of 1632 2008 rundll32.exe WerFault.exe PID 2008 wrote to memory of 1632 2008 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\UpdatedFiles\NewInvoice.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\UpdatedFiles\NewInvoice.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 2243⤵
- Program crash