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Analysis
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max time kernel
152s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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 16 IoCs
resource yara_rule behavioral1/memory/2148-2-0x0000000006610000-0x0000000006EFB000-memory.dmp family_glupteba behavioral1/memory/2148-20-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/2148-47-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/2148-52-0x0000000006610000-0x0000000006EFB000-memory.dmp family_glupteba behavioral1/memory/2148-71-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4572-91-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/4572-152-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/5112-199-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/5112-248-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/5112-256-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/5112-258-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/5112-260-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/5112-264-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/5112-272-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/5112-274-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral1/memory/5112-278-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 492 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5112 csrss.exe 2964 injector.exe 4616 windefender.exe 948 windefender.exe -
resource yara_rule behavioral1/files/0x000300000000070d-263.dat upx behavioral1/memory/4616-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/948-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/948-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.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 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe File created C:\Windows\rss\csrss.exe 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.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 4652 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 4808 schtasks.exe 4392 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\22\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight 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\22\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\22\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian 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\22\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.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\22\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4744 powershell.exe 4744 powershell.exe 2148 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 2148 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4044 powershell.exe 4044 powershell.exe 4044 powershell.exe 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 1340 powershell.exe 1340 powershell.exe 1340 powershell.exe 2932 powershell.exe 2932 powershell.exe 2932 powershell.exe 2032 powershell.exe 2032 powershell.exe 2032 powershell.exe 948 powershell.exe 948 powershell.exe 948 powershell.exe 3384 powershell.exe 3384 powershell.exe 3384 powershell.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 5112 csrss.exe 5112 csrss.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 5112 csrss.exe 5112 csrss.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4744 powershell.exe Token: SeDebugPrivilege 2148 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Token: SeImpersonatePrivilege 2148 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe Token: SeDebugPrivilege 4044 powershell.exe Token: SeDebugPrivilege 1340 powershell.exe Token: SeDebugPrivilege 2932 powershell.exe Token: SeDebugPrivilege 2032 powershell.exe Token: SeDebugPrivilege 948 powershell.exe Token: SeDebugPrivilege 3384 powershell.exe Token: SeSystemEnvironmentPrivilege 5112 csrss.exe Token: SeSecurityPrivilege 4652 sc.exe Token: SeSecurityPrivilege 4652 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2148 wrote to memory of 4744 2148 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 91 PID 2148 wrote to memory of 4744 2148 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 91 PID 2148 wrote to memory of 4744 2148 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 91 PID 4572 wrote to memory of 4044 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 99 PID 4572 wrote to memory of 4044 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 99 PID 4572 wrote to memory of 4044 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 99 PID 4572 wrote to memory of 2084 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 104 PID 4572 wrote to memory of 2084 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 104 PID 2084 wrote to memory of 492 2084 cmd.exe 106 PID 2084 wrote to memory of 492 2084 cmd.exe 106 PID 4572 wrote to memory of 1340 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 107 PID 4572 wrote to memory of 1340 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 107 PID 4572 wrote to memory of 1340 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 107 PID 4572 wrote to memory of 2932 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 109 PID 4572 wrote to memory of 2932 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 109 PID 4572 wrote to memory of 2932 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 109 PID 4572 wrote to memory of 5112 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 112 PID 4572 wrote to memory of 5112 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 112 PID 4572 wrote to memory of 5112 4572 7720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564.exe 112 PID 5112 wrote to memory of 2032 5112 csrss.exe 113 PID 5112 wrote to memory of 2032 5112 csrss.exe 113 PID 5112 wrote to memory of 2032 5112 csrss.exe 113 PID 5112 wrote to memory of 948 5112 csrss.exe 117 PID 5112 wrote to memory of 948 5112 csrss.exe 117 PID 5112 wrote to memory of 948 5112 csrss.exe 117 PID 5112 wrote to memory of 3384 5112 csrss.exe 121 PID 5112 wrote to memory of 3384 5112 csrss.exe 121 PID 5112 wrote to memory of 3384 5112 csrss.exe 121 PID 5112 wrote to memory of 2964 5112 csrss.exe 123 PID 5112 wrote to memory of 2964 5112 csrss.exe 123 PID 4616 wrote to memory of 2240 4616 windefender.exe 129 PID 4616 wrote to memory of 2240 4616 windefender.exe 129 PID 4616 wrote to memory of 2240 4616 windefender.exe 129 PID 2240 wrote to memory of 4652 2240 cmd.exe 130 PID 2240 wrote to memory of 4652 2240 cmd.exe 130 PID 2240 wrote to memory of 4652 2240 cmd.exe 130 -
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:2148 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4744
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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:4572 -
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:4044
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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:2084 -
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:492
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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:1340
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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:2932
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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:5112 -
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:2032
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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:4808
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4088
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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:948
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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:3384
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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:2964
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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:4392
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4616 -
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:2240 -
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:4652
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2268 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:81⤵PID:1004
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:948
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52ad01bbea0d0271ff16adccb11d448e9
SHA19269bf0b67915ca4cff0051906f3d671ec742128
SHA2566078739ef6724f21adf02e83c4667703a52054f7775a1345027db17369a6004b
SHA5125bf0b6b6c37f8777f10c0da43de8351e575b7d5d384a4dd0793f46cbca1aa2875d3e50f19cb82d98df0c0a86cb2127e362cb3c703b19c8297fb3e79105f788e4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ac7b9d91d55823f73828538c03c2804b
SHA17528cdc2dc787274f1a84d187e716d7578e3043d
SHA256285bca9b7cc510e4fdd3a811f56ba95fab70d112d89380c08a129ea4a62eb1ce
SHA51268a9f450c8fd9e366537d5c0e2fed2d13f3983352ba292a34b0070506150bfe2aa683191ee81eb165c0c7bd1a9cd25250ae6ac309b28f79ee474fb1f428dced4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55476c16591318f6651f1fb3809159cae
SHA1c46a68565bcbcc0eb687fc5f97f69bcdda9d53ff
SHA256258c5adfad0c7821e7b341255fb96c3554337652c80dbebf97884b150810eb50
SHA512cb2d2733baa8948abc787cb55b4ecf663d6a4aa6c50489ade65f49b83db10ffcda9e8a9de818b35c29b19c7f9956b0c376b96dcda7d6fe47b8ba491f5eeeb617
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD549f71315b5747294b648860051d60387
SHA13cf56bb67374c3d2eeda0060ccf68b0699fdb7df
SHA256b8181a4fa66abc16d9e067685d15f29e44a07cb89b6690809bf2c4d1158ff6d9
SHA5125ffb4ab74bac00de3289d8bf9a19511c434c87bc0a4e0af7e53d65fa161b34c58fe31ccd8ac4d7721a48685f36fd069794eca93083cda76a927b55a6c699fb10
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b7de938906f8531b9ac5dea250a98cdd
SHA14025b4ebe6a9251027db5ff144fb0017943161e3
SHA2562279abf245ac8d2055ad4c6c0baacadef0f6b7bd0224a9c10445618ae164a6fd
SHA5129ead95ea8283e0603e637635abb794aa3a7a8f5e267c841928b63acfbd786be07c9781839d8eeec35cf84806068503f469a962a799b90a10f763bf3299dbb6d1
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Filesize
4.2MB
MD5c47c1be20ca8c1669eed263855b4d5a9
SHA14e1cdb6acb6f6413d2b7ff579e89cfcb31d60deb
SHA2567720e18846d130558f1350e23ca34273c9d4155f80d92b2f51faaaf49e635564
SHA512816a632854e698ced785129633f0639c3dd5e3284f8a7856cf29893f489e341eb6d0ff248e1a6ac5e7696a5aa2f7960cfa404335fab4980a4200c23ccecbe180
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec