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Analysis
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max time kernel
140s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231025-en -
resource tags
arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system -
submitted
04/11/2023, 10:08
Behavioral task
behavioral1
Sample
NEAS.4bcf6f7fdc714613dae6c5df5cb0bbd0_JC.dll
Resource
win7-20231023-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
NEAS.4bcf6f7fdc714613dae6c5df5cb0bbd0_JC.dll
Resource
win10v2004-20231025-en
4 signatures
150 seconds
General
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Target
NEAS.4bcf6f7fdc714613dae6c5df5cb0bbd0_JC.dll
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Size
76KB
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MD5
4bcf6f7fdc714613dae6c5df5cb0bbd0
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SHA1
947407067c3d22741b066e4fe862b5daa53cb55f
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SHA256
e0bf9850654abb33a62318006403e767d59b76b5e2b8cd879afb9fcfed6d53d7
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SHA512
ca38c44bda7a299120faa7f017b53839b314bbb04ee19ad1885a65f05b77bf325536c230ff6ee6f12672edb9f66d2440fbaa8c2bb1225691db438197c3c9522e
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z+V40MH:c8y93KQjy7G55riF1cMo03040i
Score
7/10
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3732-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3732-1-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 3268 3732 WerFault.exe 86 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3732 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 748 wrote to memory of 3732 748 rundll32.exe 86 PID 748 wrote to memory of 3732 748 rundll32.exe 86 PID 748 wrote to memory of 3732 748 rundll32.exe 86
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.4bcf6f7fdc714613dae6c5df5cb0bbd0_JC.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:748 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.4bcf6f7fdc714613dae6c5df5cb0bbd0_JC.dll,#12⤵
- Suspicious use of AdjustPrivilegeToken
PID:3732 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 6723⤵
- Program crash
PID:3268
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3732 -ip 37321⤵PID:2356