Analysis
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max time kernel
38s -
max time network
41s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
19/09/2022, 18:28
Static task
static1
Behavioral task
behavioral1
Sample
73fe62064443e7402e9adf66cb2ba0224f7380b636700e6c2e9084310afc62f6.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
73fe62064443e7402e9adf66cb2ba0224f7380b636700e6c2e9084310afc62f6.exe
Resource
win10v2004-20220901-en
General
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Target
73fe62064443e7402e9adf66cb2ba0224f7380b636700e6c2e9084310afc62f6.exe
-
Size
41KB
-
MD5
7e4bdfb83b4abcc321504de09f998140
-
SHA1
30f47e44df8502c96b3685ae211d70991e0868a5
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SHA256
73fe62064443e7402e9adf66cb2ba0224f7380b636700e6c2e9084310afc62f6
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SHA512
2da312fbcd6a683393d46c2868b092e789e07e18af2282c75fe0f25f5d1344eb1430d56cbc91621e04830663ebea52101d78917d2f87d5d655e2937f6952fec1
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SSDEEP
768:MFwOBpeTOvDmmDQCfxYegZekQZCaRZOTjCjdi612sxBQ:laeuDmmDl3giCEZOTejcg2D
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "userinit.exe,C:\\Windows\\system32\\ntos.exe," 73fe62064443e7402e9adf66cb2ba0224f7380b636700e6c2e9084310afc62f6.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\ntos.exe 73fe62064443e7402e9adf66cb2ba0224f7380b636700e6c2e9084310afc62f6.exe File created C:\Windows\SysWOW64\ntos.exe 73fe62064443e7402e9adf66cb2ba0224f7380b636700e6c2e9084310afc62f6.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1672 73fe62064443e7402e9adf66cb2ba0224f7380b636700e6c2e9084310afc62f6.exe 1672 73fe62064443e7402e9adf66cb2ba0224f7380b636700e6c2e9084310afc62f6.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1672 73fe62064443e7402e9adf66cb2ba0224f7380b636700e6c2e9084310afc62f6.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\73fe62064443e7402e9adf66cb2ba0224f7380b636700e6c2e9084310afc62f6.exe"C:\Users\Admin\AppData\Local\Temp\73fe62064443e7402e9adf66cb2ba0224f7380b636700e6c2e9084310afc62f6.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1672