Analysis
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max time kernel
43s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
26-12-2022 16:35
Static task
static1
Behavioral task
behavioral1
Sample
REPORT_XK8855.lnk
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
REPORT_XK8855.lnk
Resource
win10v2004-20221111-en
Behavioral task
behavioral3
Sample
RecentInformation/InvoiceUpdate.cmd
Resource
win7-20220901-en
Behavioral task
behavioral4
Sample
RecentInformation/InvoiceUpdate.cmd
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
RecentInformation/NeedChangeRules.dll
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
RecentInformation/NeedChangeRules.dll
Resource
win10v2004-20221111-en
General
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Target
RecentInformation/NeedChangeRules.dll
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Size
817KB
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MD5
0e2d5c8c4b7d0c79696deaf595e03ff4
-
SHA1
e80fc6fd663fb62da6e7977c2026bd922398c210
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SHA256
a31afaffcaaf2daada6c7b89e55d204f6de94cd81df8f2a26f010d39dc3e8e6a
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SHA512
32e68b2d701ea4ad0d648a728f2a2c648b8113f78b346360ecde4f136433dfb869b426f50e27795c062468ba6ec18d0306bea08b0a2b7f87cb193aec2871c4b8
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SSDEEP
12288:JJGwvTfCMf8rVomRle7XBr4fi7wDqo4TARMhxMrFND648j4xhT6Wl:JY5rVtcsfi7wDP4TAR0sFN+Ux
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 808 1108 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 896 wrote to memory of 1108 896 rundll32.exe rundll32.exe PID 896 wrote to memory of 1108 896 rundll32.exe rundll32.exe PID 896 wrote to memory of 1108 896 rundll32.exe rundll32.exe PID 896 wrote to memory of 1108 896 rundll32.exe rundll32.exe PID 896 wrote to memory of 1108 896 rundll32.exe rundll32.exe PID 896 wrote to memory of 1108 896 rundll32.exe rundll32.exe PID 896 wrote to memory of 1108 896 rundll32.exe rundll32.exe PID 1108 wrote to memory of 808 1108 rundll32.exe WerFault.exe PID 1108 wrote to memory of 808 1108 rundll32.exe WerFault.exe PID 1108 wrote to memory of 808 1108 rundll32.exe WerFault.exe PID 1108 wrote to memory of 808 1108 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\RecentInformation\NeedChangeRules.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\RecentInformation\NeedChangeRules.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1108 -s 2243⤵
- Program crash