Analysis
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max time kernel
91s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
26-12-2022 16:29
Static task
static1
Behavioral task
behavioral1
Sample
REPORT_UC0494.lnk
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
REPORT_UC0494.lnk
Resource
win10v2004-20221111-en
Behavioral task
behavioral3
Sample
UpdatedFiles/NewFiles.cmd
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
UpdatedFiles/NewFiles.cmd
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
UpdatedFiles/NewInvoice.dll
Resource
win7-20221111-en
Behavioral task
behavioral6
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
-
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 2256 680 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 3440 wrote to memory of 680 3440 rundll32.exe rundll32.exe PID 3440 wrote to memory of 680 3440 rundll32.exe rundll32.exe PID 3440 wrote to memory of 680 3440 rundll32.exe rundll32.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⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 6123⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 680 -ip 6801⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/680-132-0x0000000000000000-mapping.dmp