Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
23-04-2024 18:50
Static task
static1
Behavioral task
behavioral1
Sample
7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe
Resource
win10v2004-20240226-en
General
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Target
7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe
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Size
4.2MB
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MD5
c47c1be20ca8c1669eed263855b4d5a9
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SHA1
4e1cdb6acb6f6413d2b7ff579e89cfcb31d60deb
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SHA256
7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564
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SHA512
816a632854e698ced785129633f0639c3dd5e3284f8a7856cf29893f489e341eb6d0ff248e1a6ac5e7696a5aa2f7960cfa404335fab4980a4200c23ccecbe180
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SSDEEP
98304:yoLXUDNHz93Dv2SDo10StEtQ0zNL2UR2k1/HO:RUDNB72YVuEe0xC5uHO
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/2796-2-0x0000000006680000-0x0000000006F6B000-memory.dmp family_glupteba behavioral2/memory/2796-82-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/2796-84-0x0000000006680000-0x0000000006F6B000-memory.dmp family_glupteba behavioral2/memory/4732-158-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4308-237-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4308-240-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4308-243-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4308-248-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4308-256-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4308-260-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4308-264-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4308-268-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4308-272-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4308-276-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4308-280-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4308-284-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4308-288-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4372 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4308 csrss.exe 576 injector.exe 3936 windefender.exe 1644 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9b8-247.dat upx behavioral2/memory/3936-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1644-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1644-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\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 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 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 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1480 sc.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 5012 schtasks.exe 4312 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.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\26\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\26\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\26\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3232 powershell.exe 3232 powershell.exe 2796 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 2796 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 2852 powershell.exe 2852 powershell.exe 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 1644 powershell.exe 1644 powershell.exe 668 powershell.exe 668 powershell.exe 1608 powershell.exe 1608 powershell.exe 1060 powershell.exe 1060 powershell.exe 3232 powershell.exe 3232 powershell.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 4308 csrss.exe 4308 csrss.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 4308 csrss.exe 4308 csrss.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3232 powershell.exe Token: SeDebugPrivilege 2796 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Token: SeImpersonatePrivilege 2796 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Token: SeDebugPrivilege 2852 powershell.exe Token: SeDebugPrivilege 1644 powershell.exe Token: SeDebugPrivilege 668 powershell.exe Token: SeDebugPrivilege 1608 powershell.exe Token: SeDebugPrivilege 1060 powershell.exe Token: SeDebugPrivilege 3232 powershell.exe Token: SeSystemEnvironmentPrivilege 4308 csrss.exe Token: SeSecurityPrivilege 1480 sc.exe Token: SeSecurityPrivilege 1480 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2796 wrote to memory of 3232 2796 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 79 PID 2796 wrote to memory of 3232 2796 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 79 PID 2796 wrote to memory of 3232 2796 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 79 PID 4732 wrote to memory of 2852 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 84 PID 4732 wrote to memory of 2852 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 84 PID 4732 wrote to memory of 2852 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 84 PID 4732 wrote to memory of 3952 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 86 PID 4732 wrote to memory of 3952 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 86 PID 3952 wrote to memory of 4372 3952 cmd.exe 88 PID 3952 wrote to memory of 4372 3952 cmd.exe 88 PID 4732 wrote to memory of 1644 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 89 PID 4732 wrote to memory of 1644 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 89 PID 4732 wrote to memory of 1644 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 89 PID 4732 wrote to memory of 668 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 91 PID 4732 wrote to memory of 668 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 91 PID 4732 wrote to memory of 668 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 91 PID 4732 wrote to memory of 4308 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 93 PID 4732 wrote to memory of 4308 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 93 PID 4732 wrote to memory of 4308 4732 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 93 PID 4308 wrote to memory of 1608 4308 csrss.exe 94 PID 4308 wrote to memory of 1608 4308 csrss.exe 94 PID 4308 wrote to memory of 1608 4308 csrss.exe 94 PID 4308 wrote to memory of 1060 4308 csrss.exe 100 PID 4308 wrote to memory of 1060 4308 csrss.exe 100 PID 4308 wrote to memory of 1060 4308 csrss.exe 100 PID 4308 wrote to memory of 3232 4308 csrss.exe 102 PID 4308 wrote to memory of 3232 4308 csrss.exe 102 PID 4308 wrote to memory of 3232 4308 csrss.exe 102 PID 4308 wrote to memory of 576 4308 csrss.exe 104 PID 4308 wrote to memory of 576 4308 csrss.exe 104 PID 3936 wrote to memory of 1264 3936 windefender.exe 110 PID 3936 wrote to memory of 1264 3936 windefender.exe 110 PID 3936 wrote to memory of 1264 3936 windefender.exe 110 PID 1264 wrote to memory of 1480 1264 cmd.exe 111 PID 1264 wrote to memory of 1480 1264 cmd.exe 111 PID 1264 wrote to memory of 1480 1264 cmd.exe 111 -
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\7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe"C:\Users\Admin\AppData\Local\Temp\7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3232
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C:\Users\Admin\AppData\Local\Temp\7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe"C:\Users\Admin\AppData\Local\Temp\7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.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:4732 -
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:2852
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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:3952 -
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:4372
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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:1644
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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:668
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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:4308 -
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:1608
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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:5012
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3632
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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:1060
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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:3232
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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:576
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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:4312
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3936 -
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:1264 -
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:1480
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1644
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD502c1c58de50d5e689b26a00956b96f9c
SHA1028696015eae97e8a257187e584a50fe4b80b9cc
SHA25684932560e54b1cd47d402da5f7beef2ffce8f2a326ff638d08ea9874c30c7e1c
SHA512756c042b0d52250e8fdf1821944305b27f8d5c2e22d93da5d1db8f666303a2de83dc05894aa3e874809c92bdd30b6a02fd16ae10bc65ec2eed9ac3a0ce4eb730
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e467e33305f015fcd4a1eff54af9b52d
SHA10354d474f254ab0db0337a475c1a76634558cff4
SHA256a9f1948782c4bb240bb6c223a5d494326997bbe9bc99c040f8409557f964097e
SHA51266e033452d237a9f960ff9f41360a74244697ffbd3c4a0cfe24b13156d848f5ca00c9ccffb9073cfdb1c9952553a1992058d8091ab78f54d638e100e8d8f6065
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d13fc11bae66961adf11f35142c0a917
SHA136035828d0dd88f4b083870bec40f54c39ec4ba2
SHA2569eb010cedafd1fcfe2a76544e27302fa302f49189aa6f1eeb0ef7bd80aa83326
SHA5123972684683179fea3b92dbb55910581299d1fbf97a0d8c987263a9300e49412001783506b0cbfe3ac17175cd153869f78dfa671a5ff0ee0c52a9a3ef84440b66
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f214a076b35724430cd31039d29a724e
SHA18187b4ca45cf4050ac6e9f1df71c38a7a55c641f
SHA25697a8b101ec009543475a137a9ed0165b5504efb54f8cac33b94dc9bebb2a3b96
SHA512e9833350c88e04389d9d285b439f0a8220371cba07895c924c578e2cd1c4b27ad867d7979922398a78bcaf471ba6fd5fd9b2e9300b9231e68d73aa331a2735eb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c2f9729968df198357397b5cf7c0258b
SHA11ca9fa4e9b4c1a645a24ca81cc4afa8c24b2c4c2
SHA256878d6819c1a6245a724c90aab33b502edf9487bc5cd5140f0c7041bdc48f71e2
SHA51243ee7a43d2f459ae818ac5d38921868ee613dced7f07630590ccd7a4cb5cffe9e6113105359f31a092ed8078fe15dac47b48e64c18c48c17ac398772ea779021
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Filesize
4.2MB
MD5c47c1be20ca8c1669eed263855b4d5a9
SHA14e1cdb6acb6f6413d2b7ff579e89cfcb31d60deb
SHA2567720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564
SHA512816a632854e698ced785129633f0639c3dd5e3284f8a7856cf29893f489e341eb6d0ff248e1a6ac5e7696a5aa2f7960cfa404335fab4980a4200c23ccecbe180
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec