Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09-04-2024 16:23
Static task
static1
Behavioral task
behavioral1
Sample
2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe
Resource
win10v2004-20240226-en
General
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Target
2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe
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Size
4.2MB
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MD5
dd68295dc5a44d36474ad72a732f415c
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SHA1
7e2797da9b1d5611a3f08fec4eaeba5ab2aa0b1b
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SHA256
2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291
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SHA512
348d249ef62a4c83eb4a7a3f09d23f9afed967ee49c1d81d7b99ed97baa4f8b1b75938257f7a8e5e9bf63e93dfc6adf2b33ba9547572bc230bcf4f765308b3cc
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SSDEEP
98304:aq77jqY634qYqqku+lyD9j83bmq6chkYsndCeM49l0PC8vwYt3LS/HhB:ag7jqGqHumyZj83bqlTnjD0P2G3IX
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4872-2-0x0000000005270000-0x0000000005B5B000-memory.dmp family_glupteba behavioral1/memory/4872-3-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4872-29-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4872-55-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4872-58-0x0000000005270000-0x0000000005B5B000-memory.dmp family_glupteba behavioral1/memory/2660-59-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/2660-88-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/2660-120-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/2660-124-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/2660-155-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4680-194-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4680-249-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4680-257-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4680-265-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4680-267-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4680-269-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4680-271-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4680-273-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4680-275-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral1/memory/4680-277-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2432 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4680 csrss.exe 2428 injector.exe 4740 windefender.exe 1228 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000006d5-260.dat upx behavioral1/memory/4740-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1228-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1228-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1228-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe File created C:\Windows\rss\csrss.exe 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2240 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 3808 schtasks.exe 2804 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\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.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\22\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe 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,-2772 = "Omsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4324 powershell.exe 4324 powershell.exe 4872 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 4872 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 3540 powershell.exe 3540 powershell.exe 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 3116 powershell.exe 3116 powershell.exe 2488 powershell.exe 2488 powershell.exe 4344 powershell.exe 4344 powershell.exe 4444 powershell.exe 4444 powershell.exe 3696 powershell.exe 3696 powershell.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 4680 csrss.exe 4680 csrss.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 4680 csrss.exe 4680 csrss.exe 2428 injector.exe 2428 injector.exe 4680 csrss.exe 4680 csrss.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe 2428 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4324 powershell.exe Token: SeDebugPrivilege 4872 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Token: SeImpersonatePrivilege 4872 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe Token: SeDebugPrivilege 3540 powershell.exe Token: SeDebugPrivilege 3116 powershell.exe Token: SeDebugPrivilege 2488 powershell.exe Token: SeDebugPrivilege 4344 powershell.exe Token: SeDebugPrivilege 4444 powershell.exe Token: SeDebugPrivilege 3696 powershell.exe Token: SeSystemEnvironmentPrivilege 4680 csrss.exe Token: SeSecurityPrivilege 2240 sc.exe Token: SeSecurityPrivilege 2240 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4872 wrote to memory of 4324 4872 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 89 PID 4872 wrote to memory of 4324 4872 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 89 PID 4872 wrote to memory of 4324 4872 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 89 PID 2660 wrote to memory of 3540 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 99 PID 2660 wrote to memory of 3540 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 99 PID 2660 wrote to memory of 3540 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 99 PID 2660 wrote to memory of 2520 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 102 PID 2660 wrote to memory of 2520 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 102 PID 2520 wrote to memory of 2432 2520 cmd.exe 104 PID 2520 wrote to memory of 2432 2520 cmd.exe 104 PID 2660 wrote to memory of 3116 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 105 PID 2660 wrote to memory of 3116 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 105 PID 2660 wrote to memory of 3116 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 105 PID 2660 wrote to memory of 2488 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 107 PID 2660 wrote to memory of 2488 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 107 PID 2660 wrote to memory of 2488 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 107 PID 2660 wrote to memory of 4680 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 109 PID 2660 wrote to memory of 4680 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 109 PID 2660 wrote to memory of 4680 2660 2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe 109 PID 4680 wrote to memory of 4344 4680 csrss.exe 110 PID 4680 wrote to memory of 4344 4680 csrss.exe 110 PID 4680 wrote to memory of 4344 4680 csrss.exe 110 PID 4680 wrote to memory of 4444 4680 csrss.exe 116 PID 4680 wrote to memory of 4444 4680 csrss.exe 116 PID 4680 wrote to memory of 4444 4680 csrss.exe 116 PID 4680 wrote to memory of 3696 4680 csrss.exe 118 PID 4680 wrote to memory of 3696 4680 csrss.exe 118 PID 4680 wrote to memory of 3696 4680 csrss.exe 118 PID 4680 wrote to memory of 2428 4680 csrss.exe 120 PID 4680 wrote to memory of 2428 4680 csrss.exe 120 PID 4740 wrote to memory of 1060 4740 windefender.exe 126 PID 4740 wrote to memory of 1060 4740 windefender.exe 126 PID 4740 wrote to memory of 1060 4740 windefender.exe 126 PID 1060 wrote to memory of 2240 1060 cmd.exe 127 PID 1060 wrote to memory of 2240 1060 cmd.exe 127 PID 1060 wrote to memory of 2240 1060 cmd.exe 127 -
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\2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe"C:\Users\Admin\AppData\Local\Temp\2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4324
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C:\Users\Admin\AppData\Local\Temp\2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.exe"C:\Users\Admin\AppData\Local\Temp\2c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291.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:2660 -
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:3540
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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:2520 -
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:2432
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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:3116
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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:2488
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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:4680 -
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:4344
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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:3808
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2116
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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:4444
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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:3696
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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:2428
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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:2804
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4740 -
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:1060 -
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:2240
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1228
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56f3b1f3a9ad460b61cc647e7a968e3a9
SHA1d3f58239fc61c39c90c8ee14a264023e0f68c8f4
SHA2569106e7f716d2fed72bf0d63d206311cf2b5f136baefd0a76992c954f521f8277
SHA5127f9d94245b6360222f54e3ad602b6982e26215497af41f099f3b82c30ef8afa28c0a20e89aed292b1d0fceb417dae28cc818ecfefe89d00085cba5ef36f37d7a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e70e22cd2b0be687268a6b3a83e3bc04
SHA1ae8a1988e47c33313e495d6ae4439b6224a2e097
SHA2562097ba192d02cb6ee53c8c5377ccb3c3725a4b148e80ae110f05776ad0907d75
SHA512e20da8698addd7850e6de86e6b380eedd1aef736e6244c741286ee54a7701f4b722fb0c1c7273230df7386ab0eafdffcd034d953a209b48eda2cb885d59479e9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ae2fcc67ba040392a5d81288dc7aa587
SHA12cc8b57d059ef130574ff9795ea579b78b104044
SHA256b8bc6c6e92a19600cd5aa96fd5d946ab5782c7be37caea970ccbe3bdbea32c7a
SHA5128ac955014cf696612100daffbba3e4c6f9f9b741095d9614913e740884c635f09f3b79ac197c61f15ac440a3f209befaedb388faf8096642fed019629e4a2ae6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a6d1ed6cb173c6c47288661a1d5528a4
SHA1feeb1123546b4c43ea8e528541c606c57091312f
SHA25663925a271e4ef9cede34df5c889d3a92b109914947c132068c407811a89c0f6b
SHA512a858c3263c9614a502ad593fde7e2eeb6d7d77cf9c610bf92b15de0d7f62cee84d5f9df2afde048a5912f03950dbdf7f05b6fe3d8395ec03d0ffa4fd70da674b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f8600852be81d68b982c0c212f95558
SHA18dca8459b83d181b1e3a103713016699654a7796
SHA256284c4177e2c55adfa8e29eaf3d12645c58f5dbb85a41036e497b5b6bde56066d
SHA512dd0fcc21f943bb499b1be0747453b5f432002931ad8503b065ca5e90126aa5c86eb34d90b98c53de3fc1bbc376939b9f552fc6f84cefad5bb2e026d5bbc7f42c
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Filesize
4.2MB
MD5dd68295dc5a44d36474ad72a732f415c
SHA17e2797da9b1d5611a3f08fec4eaeba5ab2aa0b1b
SHA2562c6b2513598d5251cbb42828820cafecc7c7ff40d54914422a813f27c2350291
SHA512348d249ef62a4c83eb4a7a3f09d23f9afed967ee49c1d81d7b99ed97baa4f8b1b75938257f7a8e5e9bf63e93dfc6adf2b33ba9547572bc230bcf4f765308b3cc
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec