Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 23:48
Static task
static1
Behavioral task
behavioral1
Sample
78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe
Resource
win10v2004-20240508-en
General
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Target
78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe
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Size
4.1MB
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MD5
db9929fde15c1e2c903e87cda2c9f27d
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SHA1
ac75c268b2b7911c3ef9a556730561cec0c6f709
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SHA256
78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8
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SHA512
cfb1e09d90c91f070cfe712dc9017816166f8e1bc10280d6a99c27b3c84f9f520924b3bc0209212943ceb88be42540c5b4c1c5b735b784ddbc9233bc11dccf1b
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SSDEEP
98304:ZqqJgO7W9SnF2QTYg7Hzo9TU2Df9e/pZ+O7BTR2yKUW:ZqqJgO7W9SnJ3gf8jHXKF
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3088-2-0x0000000004C90000-0x000000000557B000-memory.dmp family_glupteba behavioral1/memory/3088-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3088-102-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3088-153-0x0000000004C90000-0x000000000557B000-memory.dmp family_glupteba behavioral1/memory/5072-180-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3088-206-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1168-208-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1168-222-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1168-229-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1168-232-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1168-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1168-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1168-244-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1168-248-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1168-252-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1168-256-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1168-260-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1168-264-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1168-268-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2372 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1168 csrss.exe 3748 injector.exe 4240 windefender.exe 2920 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023423-218.dat upx behavioral1/memory/4240-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2920-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4240-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2920-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2920-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe File created C:\Windows\rss\csrss.exe 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1904 sc.exe -
pid Process 672 powershell.exe 1360 powershell.exe 2488 powershell.exe 3652 powershell.exe 400 powershell.exe 4164 powershell.exe 3456 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2272 schtasks.exe 4656 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 400 powershell.exe 400 powershell.exe 3088 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 3088 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 4164 powershell.exe 4164 powershell.exe 4164 powershell.exe 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 3456 powershell.exe 3456 powershell.exe 3456 powershell.exe 672 powershell.exe 672 powershell.exe 672 powershell.exe 1360 powershell.exe 1360 powershell.exe 2488 powershell.exe 2488 powershell.exe 3652 powershell.exe 3652 powershell.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 1168 csrss.exe 1168 csrss.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 1168 csrss.exe 1168 csrss.exe 3748 injector.exe 3748 injector.exe 1168 csrss.exe 1168 csrss.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe 3748 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 400 powershell.exe Token: SeDebugPrivilege 3088 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Token: SeImpersonatePrivilege 3088 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe Token: SeDebugPrivilege 4164 powershell.exe Token: SeDebugPrivilege 3456 powershell.exe Token: SeDebugPrivilege 672 powershell.exe Token: SeDebugPrivilege 1360 powershell.exe Token: SeDebugPrivilege 2488 powershell.exe Token: SeDebugPrivilege 3652 powershell.exe Token: SeSystemEnvironmentPrivilege 1168 csrss.exe Token: SeSecurityPrivilege 1904 sc.exe Token: SeSecurityPrivilege 1904 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3088 wrote to memory of 400 3088 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 84 PID 3088 wrote to memory of 400 3088 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 84 PID 3088 wrote to memory of 400 3088 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 84 PID 5072 wrote to memory of 4164 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 97 PID 5072 wrote to memory of 4164 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 97 PID 5072 wrote to memory of 4164 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 97 PID 5072 wrote to memory of 2216 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 100 PID 5072 wrote to memory of 2216 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 100 PID 2216 wrote to memory of 2372 2216 cmd.exe 102 PID 2216 wrote to memory of 2372 2216 cmd.exe 102 PID 5072 wrote to memory of 3456 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 104 PID 5072 wrote to memory of 3456 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 104 PID 5072 wrote to memory of 3456 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 104 PID 5072 wrote to memory of 672 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 107 PID 5072 wrote to memory of 672 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 107 PID 5072 wrote to memory of 672 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 107 PID 5072 wrote to memory of 1168 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 109 PID 5072 wrote to memory of 1168 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 109 PID 5072 wrote to memory of 1168 5072 78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe 109 PID 1168 wrote to memory of 1360 1168 csrss.exe 110 PID 1168 wrote to memory of 1360 1168 csrss.exe 110 PID 1168 wrote to memory of 1360 1168 csrss.exe 110 PID 1168 wrote to memory of 2488 1168 csrss.exe 115 PID 1168 wrote to memory of 2488 1168 csrss.exe 115 PID 1168 wrote to memory of 2488 1168 csrss.exe 115 PID 1168 wrote to memory of 3652 1168 csrss.exe 118 PID 1168 wrote to memory of 3652 1168 csrss.exe 118 PID 1168 wrote to memory of 3652 1168 csrss.exe 118 PID 1168 wrote to memory of 3748 1168 csrss.exe 120 PID 1168 wrote to memory of 3748 1168 csrss.exe 120 PID 4240 wrote to memory of 4616 4240 windefender.exe 128 PID 4240 wrote to memory of 4616 4240 windefender.exe 128 PID 4240 wrote to memory of 4616 4240 windefender.exe 128 PID 4616 wrote to memory of 1904 4616 cmd.exe 129 PID 4616 wrote to memory of 1904 4616 cmd.exe 129 PID 4616 wrote to memory of 1904 4616 cmd.exe 129 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe"C:\Users\Admin\AppData\Local\Temp\78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3088 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:400
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C:\Users\Admin\AppData\Local\Temp\78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe"C:\Users\Admin\AppData\Local\Temp\78c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5072 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4164
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:2216 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:2372
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3456
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:672
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1360
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2272
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3284
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2488
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3652
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3748
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4656
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4240 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:4616 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:1904
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2920
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55236ff1c766dc56b992685418172ea2b
SHA17247022303d99141d52f35dd449b3882a248cc2e
SHA2567b6c282485d2e8fe50b4cc380b9117ee34798c29f2c98b21942bad8df6b01227
SHA5129088ba2de981d7934205aa379f570006f0b5358cac0dc72677ae920ade94ecfdae4c58b44899f62aca42605c01575952386dcd8d456ebb3ac84424cbb13a3266
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5223f4d8129feac3f26a7110d3dd1f7cd
SHA174bb768f3c13c9f29785a51711e21ee41843f6f0
SHA25609035141a873844fc72bb1d98c49eaa5a5ba98302bf35be8d7da227d72982655
SHA512889aad90b8b148678f958d3e7ec3065932ce965288be8aeea79eb7843809ba2fe6a3954c9cccb06ec5a7d4ae30683672e10774100d1422c5eade11e47e7141fb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD504f0a5f966c6cb810a18dff890f6f160
SHA1616a0dc91bc6f3a9352b95c32fdce266a0faa326
SHA256b49ea5d7683440c056501ab5e442d0dbb35738a2434eb2859c8f8b970f735755
SHA512d5a44d3364db414b89238025451184f3c71df435ff225780418c4712cfa8182aeb53b593376fe17ab6921cd8ca74e115f26ed3024602f36c4b8416b182ccd8a8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c5439edb29ff8c3d10ae41fad9aa1c58
SHA1c55545edf503b808dee3ede70ed453b238e756c5
SHA256770cdb6d42ff9c599e32048be1e9bd14810e87871219777adde100e01a9b9d07
SHA512c17f2760e5368c83583dc96cc31898b16f7b9a8270fab5f24a2441f799ad6b8795d820177bd1928d4fd2ebdd8a48a3299bd2de30e7ec6f8c5091894af097a829
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD506c1403c143c2c67e0df6824938d6441
SHA17a400db4a36a9ec233652ebf18c1c6bf0842e259
SHA2566c8a6801061ec1aa4b8881dfc82db5eaaf14e638558fe56101f5ddf1618a5e00
SHA5127409d3ff0c6cb95a60e01b6b02bde645ae1f60ee2ab01ed59505b41e6bbfa3c230998848898f6a3d57ce8a01456724732856be77b1ac0308a9af848fb9d7c15a
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Filesize
4.1MB
MD5db9929fde15c1e2c903e87cda2c9f27d
SHA1ac75c268b2b7911c3ef9a556730561cec0c6f709
SHA25678c75105e63c0447bc9067bd4dab15d13b9a3a1b81a64814e49612e070cab2f8
SHA512cfb1e09d90c91f070cfe712dc9017816166f8e1bc10280d6a99c27b3c84f9f520924b3bc0209212943ceb88be42540c5b4c1c5b735b784ddbc9233bc11dccf1b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec