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Analysis
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max time kernel
140s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
17/09/2023, 16:33
Behavioral task
behavioral1
Sample
040ab86c46bcf0c5b1357fc2e56fdb20_JC.dll
Resource
win7-20230831-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
040ab86c46bcf0c5b1357fc2e56fdb20_JC.dll
Resource
win10v2004-20230915-en
4 signatures
150 seconds
General
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Target
040ab86c46bcf0c5b1357fc2e56fdb20_JC.dll
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Size
76KB
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MD5
040ab86c46bcf0c5b1357fc2e56fdb20
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SHA1
ad8da47943fbf76f0ebf5310292ea675ff3a48a7
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SHA256
7fe6799ea4ffd5af76a7fbe90b70b1033b80741e6356c010df5c96572e39ce28
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SHA512
e9b02786602da83bc5209f8d8f66aa057f04152a3ccf9a8d42f1ee2585ccde6677cf00bb7ed499add14ca20c6c6fc2d40f2e06df64e669f53b704239bdce3d5a
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z7FaC/F:c8y93KQjy7G55riF1cMo03jT/F
Score
8/10
Malware Config
Signatures
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Modifies AppInit DLL entries 2 TTPs
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resource yara_rule behavioral1/memory/2796-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2796-1-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 2160 2796 WerFault.exe 28 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2796 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2600 wrote to memory of 2796 2600 rundll32.exe 28 PID 2600 wrote to memory of 2796 2600 rundll32.exe 28 PID 2600 wrote to memory of 2796 2600 rundll32.exe 28 PID 2600 wrote to memory of 2796 2600 rundll32.exe 28 PID 2600 wrote to memory of 2796 2600 rundll32.exe 28 PID 2600 wrote to memory of 2796 2600 rundll32.exe 28 PID 2600 wrote to memory of 2796 2600 rundll32.exe 28 PID 2796 wrote to memory of 2160 2796 rundll32.exe 29 PID 2796 wrote to memory of 2160 2796 rundll32.exe 29 PID 2796 wrote to memory of 2160 2796 rundll32.exe 29 PID 2796 wrote to memory of 2160 2796 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\040ab86c46bcf0c5b1357fc2e56fdb20_JC.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2600 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\040ab86c46bcf0c5b1357fc2e56fdb20_JC.dll,#12⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 3323⤵
- Program crash
PID:2160
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