Analysis
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max time kernel
96s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30/10/2022, 07:29
Behavioral task
behavioral1
Sample
205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe
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Size
36KB
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MD5
a2f4ccc367f0adf61d6d5e1ba59b5f10
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SHA1
8e19444fa57a48355d787ab132b6fe086e8c45ae
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SHA256
205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218
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SHA512
62fc0b401da7e913437e3a818405135604b10d2f54b37aa9463d10880acd30c66865034d489e6cf3788c67a24ebe109173c21f72a960aaa3e4d403a624087a7b
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SSDEEP
768:OWMRMO8nnF1Yt/ybUZkFPd8wpS9hucD5+Kwqr8l:OL8nM5ybQ/4YhT3wq0
Score
8/10
Malware Config
Signatures
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Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\userun32 = "c:\\windows\\userun32.exe" 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\internat = "c:\\windows\\internat.exe" 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\internat\ImagePath = "c:\\windows\\internat.exe" 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe -
resource yara_rule behavioral1/memory/1376-55-0x0000000000400000-0x000000000049D000-memory.dmp upx -
Adds Run key to start application 2 TTPs 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\internat = "c:\\windows\\internat.exe" 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\internat = "c:\\windows\\internat.exe" 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass32 = "c:\\windows\\lsass32.exe" 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\t: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\h: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\z: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\u: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\f: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\x: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\i: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\p: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\o: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\l: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\j: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\g: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\e: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\w: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\s: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\r: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\q: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\n: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\m: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\k: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\y: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened (read-only) \??\v: 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created \??\c:\windows\SysWOW64\regedit.exe 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe -
Drops file in Windows directory 13 IoCs
description ioc Process File created \??\c:\windows\internat.exe 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened for modification \??\c:\windows\internat.exe 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File created \??\c:\windows\lsass32.exe 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened for modification \??\c:\windows\lsass32.exe 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File created \??\c:\windows\userun32.exe 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened for modification \??\c:\windows\userun32.exe 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened for modification \??\c:\windows\calc.exe 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened for modification \??\c:\windows\mui\modem.sys 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File created \??\c:\windows\regedit2.exe 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File opened for modification \??\c:\windows\regedit2.exe 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File created \??\c:\windows\Ãëàâíîå ìåíþ\Ïðîãðàììû\Àâòîçàãðóçêà\msoffice.scr 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File created \??\c:\windows\Start Menu\Programs\Startup\msoffice.scr 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe File created \??\c:\windows\calc.exe 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F6ABE4A8-C73A-305A-BFEF-E4FA2BC9D8A9} 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F6ABE4A8-C73A-305A-BFEF-E4FA2BC9D8A9}\ThisEXE = "c:\\users\\admin\\appdata\\local\\temp\\205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe" 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F6ABE4A8-C73A-305A-BFEF-E4FA2BC9D8A9}\VerProg = "113" 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1376 205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe"C:\Users\Admin\AppData\Local\Temp\205f41f838544478733f0e1e57d54b07d2e54d65ba24673936199df81d7de218.exe"1⤵
- Adds policy Run key to start application
- Sets service image path in registry
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:1376