Analysis
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max time kernel
121s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
17-09-2023 06:21
Behavioral task
behavioral1
Sample
18f2221234ffb98dd9c32dcc74a136e0bf6d25a1a1912ccd10484a59d6ff1827_JC.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
18f2221234ffb98dd9c32dcc74a136e0bf6d25a1a1912ccd10484a59d6ff1827_JC.dll
Resource
win10v2004-20230915-en
General
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Target
18f2221234ffb98dd9c32dcc74a136e0bf6d25a1a1912ccd10484a59d6ff1827_JC.dll
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Size
208KB
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MD5
1921fb7487555cb041fd6c1874a8be10
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SHA1
054a1e47e86cab4e1d3b2b013f51b231ee8760da
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SHA256
18f2221234ffb98dd9c32dcc74a136e0bf6d25a1a1912ccd10484a59d6ff1827
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SHA512
050fa599379b8cc1a12f49180b8db24ac20d82a801e7e206b8c1c7c8507d086b21a99889a70ab35181dc7ff64a95e054fbae2d52d7daff7366e37328376da857
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SSDEEP
3072:LI6CqRCxffkClZ8Ccn7LQlRw6x+Y3CxT2DtK5jdU1Y5HI:LIDff9D8C6XYRw6MT2DEjY
Malware Config
Signatures
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2256 1756 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2028 wrote to memory of 1756 2028 rundll32.exe rundll32.exe PID 2028 wrote to memory of 1756 2028 rundll32.exe rundll32.exe PID 2028 wrote to memory of 1756 2028 rundll32.exe rundll32.exe PID 2028 wrote to memory of 1756 2028 rundll32.exe rundll32.exe PID 2028 wrote to memory of 1756 2028 rundll32.exe rundll32.exe PID 2028 wrote to memory of 1756 2028 rundll32.exe rundll32.exe PID 2028 wrote to memory of 1756 2028 rundll32.exe rundll32.exe PID 1756 wrote to memory of 2256 1756 rundll32.exe WerFault.exe PID 1756 wrote to memory of 2256 1756 rundll32.exe WerFault.exe PID 1756 wrote to memory of 2256 1756 rundll32.exe WerFault.exe PID 1756 wrote to memory of 2256 1756 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\18f2221234ffb98dd9c32dcc74a136e0bf6d25a1a1912ccd10484a59d6ff1827_JC.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\18f2221234ffb98dd9c32dcc74a136e0bf6d25a1a1912ccd10484a59d6ff1827_JC.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1756 -s 2323⤵
- Program crash