Analysis
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max time kernel
39s -
max time network
42s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
26-12-2022 16:44
Static task
static1
Behavioral task
behavioral1
Sample
REPORT_UC0494.lnk
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
REPORT_UC0494.lnk
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
-
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 940 1364 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 904 wrote to memory of 1364 904 rundll32.exe rundll32.exe PID 904 wrote to memory of 1364 904 rundll32.exe rundll32.exe PID 904 wrote to memory of 1364 904 rundll32.exe rundll32.exe PID 904 wrote to memory of 1364 904 rundll32.exe rundll32.exe PID 904 wrote to memory of 1364 904 rundll32.exe rundll32.exe PID 904 wrote to memory of 1364 904 rundll32.exe rundll32.exe PID 904 wrote to memory of 1364 904 rundll32.exe rundll32.exe PID 1364 wrote to memory of 940 1364 rundll32.exe WerFault.exe PID 1364 wrote to memory of 940 1364 rundll32.exe WerFault.exe PID 1364 wrote to memory of 940 1364 rundll32.exe WerFault.exe PID 1364 wrote to memory of 940 1364 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 1364 -s 2243⤵
- Program crash