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Analysis
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max time kernel
139s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
28/11/2022, 01:50
Behavioral task
behavioral1
Sample
7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe
Resource
win7-20220901-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe
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Size
35KB
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MD5
c77fca20b1998674822c050b1c156003
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SHA1
fb7a0026dc662224247b9fcd9ae0169758e29113
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SHA256
7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530
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SHA512
5b8d5c187649cd56d1885dc7849341b4040a4c05cc36204faa1a938e7ef1a02370fcaa784397de39bb16368dce4c8b182a76f51ea7990dd5830707fbe0bfa7dc
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SSDEEP
768:OWMRMO8nnF1Yt/ybUZkFPd8wpS9hucD5+Kwqppt:OL8nM5ybQ/4YhT3wqppt
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\internat = "c:\\windows\\internat.exe" 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\userun32 = "c:\\windows\\userun32.exe" 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.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" 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe -
resource yara_rule behavioral2/memory/4824-132-0x0000000000400000-0x000000000049D000-memory.dmp upx behavioral2/memory/4824-133-0x0000000000400000-0x000000000049D000-memory.dmp upx -
Adds Run key to start application 2 TTPs 6 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\internat = "c:\\windows\\internat.exe" 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\internat = "c:\\windows\\internat.exe" 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass32 = "c:\\windows\\lsass32.exe" 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.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: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\l: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\e: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\y: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\x: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\w: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\q: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\n: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\m: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\z: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\p: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\k: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\j: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\h: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\f: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\v: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\u: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\t: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\s: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\o: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\i: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened (read-only) \??\g: 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created \??\c:\windows\SysWOW64\regedit.exe 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe -
Drops file in Windows directory 13 IoCs
description ioc Process File created \??\c:\windows\lsass32.exe 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened for modification \??\c:\windows\lsass32.exe 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File created \??\c:\windows\userun32.exe 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened for modification \??\c:\windows\userun32.exe 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File created \??\c:\windows\calc.exe 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened for modification \??\c:\windows\calc.exe 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File created \??\c:\windows\regedit2.exe 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened for modification \??\c:\windows\internat.exe 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File created \??\c:\windows\Ãëàâíîå ìåíþ\Ïðîãðàììû\Àâòîçàãðóçêà\msoffice.scr 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File created \??\c:\windows\internat.exe 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened for modification \??\c:\windows\regedit2.exe 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File created \??\c:\windows\Start Menu\Programs\Startup\msoffice.scr 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe File opened for modification \??\c:\windows\mui\modem.sys 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F6ABE4A8-C73A-305A-BFEF-E4FA2BC9D8A9} 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F6ABE4A8-C73A-305A-BFEF-E4FA2BC9D8A9}\ThisEXE = "c:\\users\\admin\\appdata\\local\\temp\\7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe" 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F6ABE4A8-C73A-305A-BFEF-E4FA2BC9D8A9}\VerProg = "113" 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4824 7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.exe"C:\Users\Admin\AppData\Local\Temp\7263a01bb2ffb7f3f31c15bda21e30d5b12f6495692eb1c4c8898280d2497530.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:4824