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Analysis
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max time kernel
126s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
15/10/2023, 14:58
Behavioral task
behavioral1
Sample
a1d1a1fd6a4d0d54a04cbd46e42155c0_dll32_JC.dll
Resource
win7-20230831-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
a1d1a1fd6a4d0d54a04cbd46e42155c0_dll32_JC.dll
Resource
win10v2004-20230915-en
4 signatures
150 seconds
General
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Target
a1d1a1fd6a4d0d54a04cbd46e42155c0_dll32_JC.dll
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Size
76KB
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MD5
a1d1a1fd6a4d0d54a04cbd46e42155c0
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SHA1
fe93a0bfae3a1224110e8e48bd5ca0bcb7cc88e5
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SHA256
b7991e129f5ef2ad9377630473cc0085e91db9ed0317651439ed13a0c5b1b839
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SHA512
b4027030a92d4b8a5fb81f5a82c8739b407c39be972e84fe55d13d70bbafed4a212a4b7ac46dbc3310ff1ec4bbb7f24de0b023abecb2040cfc67a01916340b6e
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZW2Rg:c8y93KQjy7G55riF1cMo03Tg
Score
7/10
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3976-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3976-1-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 4828 3976 WerFault.exe 81 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3976 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1460 wrote to memory of 3976 1460 rundll32.exe 81 PID 1460 wrote to memory of 3976 1460 rundll32.exe 81 PID 1460 wrote to memory of 3976 1460 rundll32.exe 81
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a1d1a1fd6a4d0d54a04cbd46e42155c0_dll32_JC.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1460 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a1d1a1fd6a4d0d54a04cbd46e42155c0_dll32_JC.dll,#12⤵
- Suspicious use of AdjustPrivilegeToken
PID:3976 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 6163⤵
- Program crash
PID:4828
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3976 -ip 39761⤵PID:3808