Analysis
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max time kernel
31s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
31/05/2023, 20:06
Static task
static1
Behavioral task
behavioral1
Sample
638d5634ce2631616ce977a5a759b7cecbc4226964c2fbc69c6358ef861d9020.dll
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
638d5634ce2631616ce977a5a759b7cecbc4226964c2fbc69c6358ef861d9020.dll
Resource
win10v2004-20230220-en
General
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Target
638d5634ce2631616ce977a5a759b7cecbc4226964c2fbc69c6358ef861d9020.dll
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Size
880KB
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MD5
b1d9b4ca740520b22e77581b797c2499
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SHA1
d3bbc48bce1abb33914ff11e6b0442318492201d
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SHA256
638d5634ce2631616ce977a5a759b7cecbc4226964c2fbc69c6358ef861d9020
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SHA512
52ea604fd2725898661b8a368f45ae2e6988cb9c2caa5ecdc2f885509b995f9a1732214ea979cddebc776f88c77e8b960be3c1ab30b83ac45d862596b73ffa41
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SSDEEP
12288:IUtvrhB2PHPO9sUO6F3kxho/bLtyArVHBUdVC:IURrhwPysZ6VshIbU8OLC
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 2036 1728 WerFault.exe 28 -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1728 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1296 wrote to memory of 1728 1296 rundll32.exe 28 PID 1296 wrote to memory of 1728 1296 rundll32.exe 28 PID 1296 wrote to memory of 1728 1296 rundll32.exe 28 PID 1296 wrote to memory of 1728 1296 rundll32.exe 28 PID 1296 wrote to memory of 1728 1296 rundll32.exe 28 PID 1296 wrote to memory of 1728 1296 rundll32.exe 28 PID 1296 wrote to memory of 1728 1296 rundll32.exe 28 PID 1728 wrote to memory of 2036 1728 rundll32.exe 29 PID 1728 wrote to memory of 2036 1728 rundll32.exe 29 PID 1728 wrote to memory of 2036 1728 rundll32.exe 29 PID 1728 wrote to memory of 2036 1728 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\638d5634ce2631616ce977a5a759b7cecbc4226964c2fbc69c6358ef861d9020.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1296 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\638d5634ce2631616ce977a5a759b7cecbc4226964c2fbc69c6358ef861d9020.dll,#12⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 2723⤵
- Program crash
PID:2036
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