Analysis
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max time kernel
11s -
max time network
13s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
04-01-2023 05:18
Static task
static1
Behavioral task
behavioral1
Sample
Nyusu.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
1 signatures
150 seconds
General
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Target
Nyusu.exe
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Size
29KB
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MD5
eac900e8bf02efc34fbf83de78261fa8
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SHA1
bc683bf2c76ba080b78313f26576946733ea0045
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SHA256
2086cc3e03375e6a3a5e09cff5d83a12b857e39080551655fa3eb55da45dd58a
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SHA512
d2b2abc7e16b5bbc43b6f448da04a4d61060dd5549b4d6ea4c0b4b1aa96f5b7e171a763a722a72f0f5370b50c1419cab29d8493bc6539624700c4290b9d4fbe9
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SSDEEP
768:mfQAfpeBfCWg1se7MdL2FnMVXT2PaYJcPxSmOg+Q:qVfpeBfCWgRMdL2F8+nJuOq
Score
1/10
Malware Config
Signatures
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Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4704 wrote to memory of 1048 4704 Nyusu.exe 81 PID 4704 wrote to memory of 1048 4704 Nyusu.exe 81 PID 4704 wrote to memory of 1048 4704 Nyusu.exe 81 PID 4704 wrote to memory of 4076 4704 Nyusu.exe 82 PID 4704 wrote to memory of 4076 4704 Nyusu.exe 82 PID 4704 wrote to memory of 4076 4704 Nyusu.exe 82 PID 4704 wrote to memory of 3196 4704 Nyusu.exe 83 PID 4704 wrote to memory of 3196 4704 Nyusu.exe 83 PID 4704 wrote to memory of 3196 4704 Nyusu.exe 83 PID 4704 wrote to memory of 2952 4704 Nyusu.exe 84 PID 4704 wrote to memory of 2952 4704 Nyusu.exe 84 PID 4704 wrote to memory of 2952 4704 Nyusu.exe 84 PID 4704 wrote to memory of 4216 4704 Nyusu.exe 87 PID 4704 wrote to memory of 4216 4704 Nyusu.exe 87 PID 4704 wrote to memory of 4216 4704 Nyusu.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\Nyusu.exe"C:\Users\Admin\AppData\Local\Temp\Nyusu.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4704 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c Color A2⤵PID:1048
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c Color B2⤵PID:4076
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c Color C2⤵PID:3196
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c Color D2⤵PID:2952
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c Color E2⤵PID:4216
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