Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:27
Static task
static1
Behavioral task
behavioral1
Sample
7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe
Resource
win10v2004-20240508-en
General
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Target
7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe
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Size
4.1MB
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MD5
cb2545e9859ef4bbf897ac0887a0ce31
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SHA1
440e5d9cece3cc3b97818627123ab4f8cb0a67aa
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SHA256
7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb
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SHA512
c00317b099178369f852d0a6dcee11bcfb70736f53cc0191c07f9b88bcba3cec9ffe1da614641e72f9a8680a1577b1e3072aed834f64dcee2007332c0b6b1de5
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SSDEEP
98304:9wBco1salv4p8AdbboIKOJLJ1nO5Zld79mTpp:9wqoWyv4yANjKQa7ov
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3928-2-0x00000000050D0000-0x00000000059BB000-memory.dmp family_glupteba behavioral2/memory/3928-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3928-41-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3928-53-0x00000000050D0000-0x00000000059BB000-memory.dmp family_glupteba behavioral2/memory/3928-51-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1112-78-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3928-100-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1112-128-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3212-197-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3212-206-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3212-218-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3212-222-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3212-226-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3212-230-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3212-234-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3212-238-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3212-242-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3212-246-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2376 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3212 csrss.exe 2680 injector.exe 4936 windefender.exe 2480 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa06-209.dat upx behavioral2/memory/4936-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2480-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4936-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2480-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2480-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe File created C:\Windows\rss\csrss.exe 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe File created 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 4068 sc.exe -
pid Process 4672 powershell.exe 3576 powershell.exe 256 powershell.exe 2684 powershell.exe 4684 powershell.exe 4048 powershell.exe 3104 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 2000 schtasks.exe 1652 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk 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" 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe 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,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4672 powershell.exe 4672 powershell.exe 3928 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 3928 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 3576 powershell.exe 3576 powershell.exe 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 256 powershell.exe 256 powershell.exe 2684 powershell.exe 2684 powershell.exe 4684 powershell.exe 4684 powershell.exe 4048 powershell.exe 4048 powershell.exe 3104 powershell.exe 3104 powershell.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 3212 csrss.exe 3212 csrss.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 3212 csrss.exe 3212 csrss.exe 2680 injector.exe 2680 injector.exe 3212 csrss.exe 3212 csrss.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe 2680 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4672 powershell.exe Token: SeDebugPrivilege 3928 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe Token: SeImpersonatePrivilege 3928 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe Token: SeDebugPrivilege 3576 powershell.exe Token: SeDebugPrivilege 256 powershell.exe Token: SeDebugPrivilege 2684 powershell.exe Token: SeDebugPrivilege 4684 powershell.exe Token: SeDebugPrivilege 4048 powershell.exe Token: SeDebugPrivilege 3104 powershell.exe Token: SeSystemEnvironmentPrivilege 3212 csrss.exe Token: SeSecurityPrivilege 4068 sc.exe Token: SeSecurityPrivilege 4068 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3928 wrote to memory of 4672 3928 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 82 PID 3928 wrote to memory of 4672 3928 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 82 PID 3928 wrote to memory of 4672 3928 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 82 PID 1112 wrote to memory of 3576 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 87 PID 1112 wrote to memory of 3576 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 87 PID 1112 wrote to memory of 3576 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 87 PID 1112 wrote to memory of 2548 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 89 PID 1112 wrote to memory of 2548 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 89 PID 2548 wrote to memory of 2376 2548 cmd.exe 91 PID 2548 wrote to memory of 2376 2548 cmd.exe 91 PID 1112 wrote to memory of 256 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 92 PID 1112 wrote to memory of 256 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 92 PID 1112 wrote to memory of 256 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 92 PID 1112 wrote to memory of 2684 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 94 PID 1112 wrote to memory of 2684 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 94 PID 1112 wrote to memory of 2684 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 94 PID 1112 wrote to memory of 3212 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 96 PID 1112 wrote to memory of 3212 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 96 PID 1112 wrote to memory of 3212 1112 7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe 96 PID 3212 wrote to memory of 4684 3212 csrss.exe 97 PID 3212 wrote to memory of 4684 3212 csrss.exe 97 PID 3212 wrote to memory of 4684 3212 csrss.exe 97 PID 3212 wrote to memory of 4048 3212 csrss.exe 103 PID 3212 wrote to memory of 4048 3212 csrss.exe 103 PID 3212 wrote to memory of 4048 3212 csrss.exe 103 PID 3212 wrote to memory of 3104 3212 csrss.exe 105 PID 3212 wrote to memory of 3104 3212 csrss.exe 105 PID 3212 wrote to memory of 3104 3212 csrss.exe 105 PID 3212 wrote to memory of 2680 3212 csrss.exe 107 PID 3212 wrote to memory of 2680 3212 csrss.exe 107 PID 4936 wrote to memory of 2916 4936 windefender.exe 113 PID 4936 wrote to memory of 2916 4936 windefender.exe 113 PID 4936 wrote to memory of 2916 4936 windefender.exe 113 PID 2916 wrote to memory of 4068 2916 cmd.exe 114 PID 2916 wrote to memory of 4068 2916 cmd.exe 114 PID 2916 wrote to memory of 4068 2916 cmd.exe 114 -
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\7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe"C:\Users\Admin\AppData\Local\Temp\7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3928 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4672
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C:\Users\Admin\AppData\Local\Temp\7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.exe"C:\Users\Admin\AppData\Local\Temp\7bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb.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:1112 -
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:3576
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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:2548 -
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:2376
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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:256
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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:2684
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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:3212 -
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:4684
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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:2000
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3612
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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:4048
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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:3104
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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:2680
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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:1652
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4936 -
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:2916 -
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:4068
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2480
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c666a74067b63330f20b64254cc3fc9f
SHA1374939438be995e8d540868c985aa55124ff69f7
SHA256e802399ad0e2356c8c4529fcff749906863753724f0013413783b3af43304c59
SHA512617bfb99c98685a53a4e0b9a3dc3db41dcb437fcfc83fb449faa5453302bc8730d09be2dd0a9d8587843c49e2a83c3cf31a29da49e54f2548e3af66813befe6b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a6922b5b6b0706695a052e1513fe6474
SHA1562069184fec86454d9ebe63c67882cc3f5fb316
SHA2562ce26898e8873ae7074a2858cc59f812227404a6926fed7cc6ddde225b8c44db
SHA51290ac96d074ba2b4081130e53e2e3f9c237a8ffd79b6597f0aae319b86d836fb7869301b67de4d88022570204fa164f3753646f5dc2c723ff443876755c9aad9d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d5f7004948a1ff1b96da35183d7d427e
SHA1234f361bf0eda32ce7fe8dae4a353f3e4b0a9557
SHA256bfd3226006012ecbd35a09a9cda6ead0594a46aa0c208ec68981e944f850e07c
SHA512e2e35787793ea53ce5c21d670ff91282f8e1e902c36830bc17462204e633eb30708fd9e42ea5f90688ef5007fdb2bb44a46242b65c3e41c66b2c5d825bc130ee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD582357cbc0c3df7445827048b567e2151
SHA13bbf778a2494e22dfa7239623a3b37a0596d8f62
SHA25609ff7168daddfcc86fe64a320582dd92d51ff7ca210738261c0a94af34d8fb16
SHA5121c5ee0e98eacb4fbeb039ba6f69a35675c0cb1372da78b4d13e969b37142d41a36eccfce4191a3d47dca1a283140020dc788777912a1f18b62fc6637cb1f1e76
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ea8c0362bfd91709416c9cd1a95f8b76
SHA180bc2a099a29935feeb44fe11971e7c5b357f50a
SHA256cc96e15c0979d1860a76fedd9c98184b9af8213f2c59de658e62d18a822b2872
SHA51223aae86f7e01d9582d9125528261c64c0ca2f0e5947cbef2cd3928dec37c569ab6cfb1c79e32fdda31ce14f869fc0e7bc769d34cf00ffc5f25c3caa4d30c91a6
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Filesize
4.1MB
MD5cb2545e9859ef4bbf897ac0887a0ce31
SHA1440e5d9cece3cc3b97818627123ab4f8cb0a67aa
SHA2567bfe0976d90fdfd1032099006ba346eced04e30a48af5aaf3c66821bb34f55eb
SHA512c00317b099178369f852d0a6dcee11bcfb70736f53cc0191c07f9b88bcba3cec9ffe1da614641e72f9a8680a1577b1e3072aed834f64dcee2007332c0b6b1de5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec