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Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
03/11/2023, 07:13
Static task
static1
General
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Target
099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe
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Size
4.2MB
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MD5
b2c651814635684cfcafb0bf0787b10c
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SHA1
5209534d8992935b8856cb21b330c6787c9e957a
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SHA256
099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f
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SHA512
74e103281b0f897ac2ab9d728c78c9e76932f0fabdac0c9bc16c0ca45e9ddebf470617f5a67aab9d975add53f2ad9b4b58d23626bf1ce08d040f8517e824b21b
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SSDEEP
98304:YdQjo9nkzyemkeDl5MfRgHHsHfjVYKMHRPSXIQc0NNRb4vi:YdQjoWzypk6MpgHMrVYpRUh+i
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/2868-2-0x0000000002EC0000-0x00000000037AB000-memory.dmp family_glupteba behavioral1/memory/2868-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2868-4-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2868-12-0x0000000002EC0000-0x00000000037AB000-memory.dmp family_glupteba behavioral1/memory/2868-21-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2868-61-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/220-65-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/220-80-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/220-101-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/220-130-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/220-165-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/888-201-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/888-268-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/888-277-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/888-279-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/888-281-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/888-283-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/888-285-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/888-291-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/888-295-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2240 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 888 csrss.exe 4132 injector.exe 4352 windefender.exe 4560 windefender.exe 776 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000a000000022be6-271.dat upx behavioral1/files/0x000a000000022be6-273.dat upx behavioral1/files/0x000a000000022be6-274.dat upx behavioral1/memory/4352-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4560-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4560-282-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000b000000022bee-290.dat upx behavioral1/files/0x000b000000022bee-293.dat upx behavioral1/memory/4560-294-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/776-296-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/776-298-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.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 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 -
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 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe File created C:\Windows\rss\csrss.exe 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.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 4116 sc.exe -
Program crash 3 IoCs
pid pid_target Process procid_target 1136 2868 WerFault.exe 85 2276 220 WerFault.exe 102 1900 888 WerFault.exe 117 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2808 schtasks.exe 4980 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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\1a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\1a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3456 powershell.exe 3456 powershell.exe 2868 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 2868 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 4296 powershell.exe 4296 powershell.exe 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 4532 powershell.exe 4532 powershell.exe 4532 powershell.exe 2368 powershell.exe 2368 powershell.exe 2368 powershell.exe 4496 powershell.exe 4496 powershell.exe 4496 powershell.exe 868 powershell.exe 868 powershell.exe 3064 powershell.exe 3064 powershell.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 888 csrss.exe 888 csrss.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 888 csrss.exe 888 csrss.exe 4132 injector.exe 4132 injector.exe 888 csrss.exe 888 csrss.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe 4132 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3456 powershell.exe Token: SeDebugPrivilege 2868 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Token: SeImpersonatePrivilege 2868 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe Token: SeDebugPrivilege 4296 powershell.exe Token: SeDebugPrivilege 4532 powershell.exe Token: SeDebugPrivilege 2368 powershell.exe Token: SeDebugPrivilege 4496 powershell.exe Token: SeDebugPrivilege 868 powershell.exe Token: SeDebugPrivilege 3064 powershell.exe Token: SeSystemEnvironmentPrivilege 888 csrss.exe Token: SeSecurityPrivilege 4116 sc.exe Token: SeSecurityPrivilege 4116 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2868 wrote to memory of 3456 2868 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 92 PID 2868 wrote to memory of 3456 2868 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 92 PID 2868 wrote to memory of 3456 2868 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 92 PID 220 wrote to memory of 4296 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 105 PID 220 wrote to memory of 4296 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 105 PID 220 wrote to memory of 4296 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 105 PID 220 wrote to memory of 1688 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 108 PID 220 wrote to memory of 1688 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 108 PID 1688 wrote to memory of 2240 1688 cmd.exe 110 PID 1688 wrote to memory of 2240 1688 cmd.exe 110 PID 220 wrote to memory of 4532 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 111 PID 220 wrote to memory of 4532 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 111 PID 220 wrote to memory of 4532 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 111 PID 220 wrote to memory of 2368 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 114 PID 220 wrote to memory of 2368 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 114 PID 220 wrote to memory of 2368 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 114 PID 220 wrote to memory of 888 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 117 PID 220 wrote to memory of 888 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 117 PID 220 wrote to memory of 888 220 099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe 117 PID 888 wrote to memory of 4496 888 csrss.exe 120 PID 888 wrote to memory of 4496 888 csrss.exe 120 PID 888 wrote to memory of 4496 888 csrss.exe 120 PID 888 wrote to memory of 868 888 csrss.exe 125 PID 888 wrote to memory of 868 888 csrss.exe 125 PID 888 wrote to memory of 868 888 csrss.exe 125 PID 888 wrote to memory of 3064 888 csrss.exe 128 PID 888 wrote to memory of 3064 888 csrss.exe 128 PID 888 wrote to memory of 3064 888 csrss.exe 128 PID 888 wrote to memory of 4132 888 csrss.exe 132 PID 888 wrote to memory of 4132 888 csrss.exe 132 PID 4352 wrote to memory of 1076 4352 windefender.exe 140 PID 4352 wrote to memory of 1076 4352 windefender.exe 140 PID 4352 wrote to memory of 1076 4352 windefender.exe 140 PID 1076 wrote to memory of 4116 1076 cmd.exe 141 PID 1076 wrote to memory of 4116 1076 cmd.exe 141 PID 1076 wrote to memory of 4116 1076 cmd.exe 141 PID 888 wrote to memory of 776 888 csrss.exe 144 PID 888 wrote to memory of 776 888 csrss.exe 144 PID 888 wrote to memory of 776 888 csrss.exe 144 -
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\099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe"C:\Users\Admin\AppData\Local\Temp\099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2868 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3456
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C:\Users\Admin\AppData\Local\Temp\099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.exe"C:\Users\Admin\AppData\Local\Temp\099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f.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:220 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4296
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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:1688 -
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:2240
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4532
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2368
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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:888 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4496
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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:2808
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1004
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:868
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3064
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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:4132
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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:4980
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4352 -
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:1076 -
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:4116
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:776 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:5044
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:3960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 888 -s 12404⤵
- Program crash
PID:1900
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 220 -s 7043⤵
- Program crash
PID:2276
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 7482⤵
- Program crash
PID:1136
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2868 -ip 28681⤵PID:3332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 220 -ip 2201⤵PID:2412
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 888 -ip 8881⤵PID:4208
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee93959515cda1d2b89d9e1e350564a4
SHA1197af1d2738762ca54a4560bd857893a8e5b225e
SHA25659e1249d2062ee5a7489ac3e14b8353892ce202df0a58f688aa88d39b27084bb
SHA5129abecf2cb54e2e695aba73c30eb3d381be457d6a2ce717a85460b5a9009c6257e895d32a288cdc0516acd5a5f61f8a207d9d93733b89898c78b8d9d6826e8598
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e01054ecda14ce801e02d2b193f19d96
SHA18eaf96f3521a17c823fd5c982eb15826830dce40
SHA256a11b3a47d8874f10c8f5b842788c29510f6d10e65dff597c33bf3ac187d320e6
SHA51216651b98050a741e81fe4a3edd9519dd27abf651cb41595753472425af3b32357e75617419590cca6ad0a89b7b0442c704daa8cce3c56c549a4b3ce79c3d986b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56e7c68de4535f9235ea7d164cdf7f62e
SHA1c9a88d8c48dbe5656359355a42bfd44ce647d609
SHA256b437bd8e0a8fb7a37b7e2ebc47c3ab31c0d1538481c8daed91aadb152145e7e0
SHA512441e730aafb88440f3192e5e576a5a94c7831d296131b4bfcc0e04e8d14be5734a6e5e11a3f0ed1c0b1be664b99c28545481502c902d293308bdb0ae0690caa8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ffb20e435508c37836987b33fbb5229b
SHA18794c03d32ac238e5849b8fd37b405ed6a89d8f5
SHA256af060e9181d0c72d9f69ee260febc198d8de06f22ac4d1bb54435fd79b379771
SHA512a851564e2b233d3e871c73ddd2670fea9cdeed3763cfd36d9dddcac4c503880a4805f193d80587c84abcfc1e4499ed6f77124c70b0cd1bda47bf76a46cfe0872
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD581361b6ced7eef949d200bb44e738673
SHA14f54c0f95658e0d16ab4c312e12ef5e06b1c728a
SHA256b0231618cfcbe48fbc91a94314941fc2ad695cbfa53f3ae8ec863bed7d634949
SHA512c690ff461a1cccb02bf68fb872ac64512929c01de35f844e96a18e032ded80a4e9bb9e0dbaafb2663ee6cdb1b0c4d6182a107900fa26b65ac896f1d08de7b7f1
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Filesize
4.2MB
MD5b2c651814635684cfcafb0bf0787b10c
SHA15209534d8992935b8856cb21b330c6787c9e957a
SHA256099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f
SHA51274e103281b0f897ac2ab9d728c78c9e76932f0fabdac0c9bc16c0ca45e9ddebf470617f5a67aab9d975add53f2ad9b4b58d23626bf1ce08d040f8517e824b21b
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Filesize
4.2MB
MD5b2c651814635684cfcafb0bf0787b10c
SHA15209534d8992935b8856cb21b330c6787c9e957a
SHA256099033e2989ddc5fdd4a0acedbdb35614c69067c4f65daa1f1ecb5ca12b1b71f
SHA51274e103281b0f897ac2ab9d728c78c9e76932f0fabdac0c9bc16c0ca45e9ddebf470617f5a67aab9d975add53f2ad9b4b58d23626bf1ce08d040f8517e824b21b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec