Analysis
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max time kernel
91s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04-01-2023 08:16
Static task
static1
Behavioral task
behavioral1
Sample
CancelledInvoice/NeedChanges.cmd
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
CancelledInvoice/NeedChanges.cmd
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
CancelledInvoice/YouContract.dll
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
CancelledInvoice/YouContract.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
RulesASAP_VEH3.lnk
Resource
win7-20220812-en
General
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Target
CancelledInvoice/YouContract.dll
-
Size
552KB
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MD5
7c703c577032ecdeb85b0cb926d14447
-
SHA1
cf446b09cad11632b0871a1986f2fa76b5f8d36d
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SHA256
053ddd240fee27c268c0c17c7d851a7b55fe6987b0962170d1c1b5e84fc24d68
-
SHA512
6b96700a896f65c58da045a846b8bdcdf84b786b7dc90721e5189b2da1e75966c25774dbc3fb52dad8ace6c1439bd2c63363ee07ac331f08b7966ca8c6b326ef
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SSDEEP
12288:H7uM8sVm1kWF/eLJ+QlfW4MwauXWfFyDFfEWmqTqQpa4NLVZC:H+sVmhledMmGdu+ZqHzC
Malware Config
Signatures
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2900 2360 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 2220 wrote to memory of 2360 2220 rundll32.exe rundll32.exe PID 2220 wrote to memory of 2360 2220 rundll32.exe rundll32.exe PID 2220 wrote to memory of 2360 2220 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\CancelledInvoice\YouContract.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\CancelledInvoice\YouContract.dll,#12⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 6043⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2360 -ip 23601⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/2360-132-0x0000000000000000-mapping.dmp