Analysis
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max time kernel
70s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
28/11/2022, 01:49
Behavioral task
behavioral1
Sample
9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe
Resource
win7-20220901-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe
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Size
35KB
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MD5
bba3dc2b1d9b6446d8cd798b755553f8
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SHA1
0256544eaa04afa9e3443a02bea347950682d82f
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SHA256
9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701
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SHA512
9393ec6a68a83c406bcf1e90671e0c577de6ce5b7da1a432bad9d25f2d2038ed7a8bae036c7a21752607e1b951233034807d455f7544f6a066c0fa36380f3bfa
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SSDEEP
768:OWMRMO8nnF1Yt/ybUZkFPd8wpS9hucD5+KwqppJ:OL8nM5ybQ/4YhT3wqppJ
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\USER\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\internat = "c:\\windows\\internat.exe" 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\userun32 = "c:\\windows\\userun32.exe" 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.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" 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe -
resource yara_rule behavioral1/memory/828-55-0x0000000000400000-0x000000000049D000-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 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\internat = "c:\\windows\\internat.exe" 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\internat = "c:\\windows\\internat.exe" 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass32 = "c:\\windows\\lsass32.exe" 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.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) \??\r: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\p: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\n: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\i: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\e: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\w: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\u: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\s: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\h: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\g: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\z: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\x: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\t: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\f: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\v: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\o: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\m: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\j: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\y: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\q: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\l: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened (read-only) \??\k: 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created \??\c:\windows\SysWOW64\regedit.exe 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe -
Drops file in Windows directory 13 IoCs
description ioc Process File opened for modification \??\c:\windows\internat.exe 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened for modification \??\c:\windows\lsass32.exe 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File created \??\c:\windows\regedit2.exe 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened for modification \??\c:\windows\regedit2.exe 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File created \??\c:\windows\Ãëàâíîå ìåíþ\Ïðîãðàììû\Àâòîçàãðóçêà\msoffice.scr 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File created \??\c:\windows\Start Menu\Programs\Startup\msoffice.scr 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened for modification \??\c:\windows\mui\modem.sys 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File created \??\c:\windows\lsass32.exe 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File created \??\c:\windows\userun32.exe 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened for modification \??\c:\windows\userun32.exe 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File created \??\c:\windows\calc.exe 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File opened for modification \??\c:\windows\calc.exe 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe File created \??\c:\windows\internat.exe 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe -
Modifies registry class 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F6ABE4A8-C73A-305A-BFEF-E4FA2BC9D8A9}\VerProg = "113" 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F6ABE4A8-C73A-305A-BFEF-E4FA2BC9D8A9} 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F6ABE4A8-C73A-305A-BFEF-E4FA2BC9D8A9}\ThisEXE = "c:\\users\\admin\\appdata\\local\\temp\\9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe" 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 828 9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.exe"C:\Users\Admin\AppData\Local\Temp\9b84a384aba0d1b9cd3cb1e03b2df5547453257344e1163334c7733903038701.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:828