Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
10-05-2024 12:49
Static task
static1
Behavioral task
behavioral1
Sample
ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe
Resource
win10v2004-20240508-en
General
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Target
ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe
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Size
4.1MB
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MD5
a3834f83074aca980bcc6a01a92e23d2
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SHA1
32ebd65ca8a92202c7e6ff84f219b37590f48ef7
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SHA256
ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff
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SHA512
f1d9725d3522abeb498aa8caf1e868e0357c4c3535caf9346c3ee21f379a8a1f2e579360bda22926d3f584be4d446e2a1b774d428d3785d96bbacc2eb128b979
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SSDEEP
98304:M0nFxzGbvSbUZowRHyzjgsKaXndWLtFoCNOvzXZY6X40:NzzGbv97yvo5ObXM0
Malware Config
Signatures
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Glupteba payload 15 IoCs
resource yara_rule behavioral1/memory/232-2-0x0000000004970000-0x000000000525B000-memory.dmp family_glupteba behavioral1/memory/232-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/232-55-0x0000000004970000-0x000000000525B000-memory.dmp family_glupteba behavioral1/memory/232-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/232-54-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/4420-134-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/3952-219-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/3952-223-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/3952-229-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/3952-231-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/3952-233-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/3952-235-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/3952-237-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/3952-239-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral1/memory/3952-241-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4364 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3952 csrss.exe 4620 injector.exe 3192 windefender.exe 4616 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023418-222.dat upx behavioral1/memory/3192-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3192-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4616-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4616-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 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 -
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 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.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 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe File created C:\Windows\rss\csrss.exe ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.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 416 sc.exe -
pid Process 1960 powershell.exe 416 powershell.exe 1580 powershell.exe 316 powershell.exe 3744 powershell.exe 2364 powershell.exe 3552 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3984 232 WerFault.exe 82 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2948 schtasks.exe 3504 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3552 powershell.exe 3552 powershell.exe 232 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 232 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 1960 powershell.exe 1960 powershell.exe 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 416 powershell.exe 416 powershell.exe 1580 powershell.exe 1580 powershell.exe 316 powershell.exe 316 powershell.exe 3744 powershell.exe 3744 powershell.exe 2364 powershell.exe 2364 powershell.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 3952 csrss.exe 3952 csrss.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 3952 csrss.exe 3952 csrss.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 3952 csrss.exe 3952 csrss.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe 4620 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3552 powershell.exe Token: SeDebugPrivilege 232 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Token: SeImpersonatePrivilege 232 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe Token: SeDebugPrivilege 1960 powershell.exe Token: SeDebugPrivilege 416 powershell.exe Token: SeDebugPrivilege 1580 powershell.exe Token: SeDebugPrivilege 316 powershell.exe Token: SeDebugPrivilege 3744 powershell.exe Token: SeDebugPrivilege 2364 powershell.exe Token: SeSystemEnvironmentPrivilege 3952 csrss.exe Token: SeSecurityPrivilege 416 sc.exe Token: SeSecurityPrivilege 416 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 232 wrote to memory of 3552 232 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 88 PID 232 wrote to memory of 3552 232 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 88 PID 232 wrote to memory of 3552 232 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 88 PID 4420 wrote to memory of 1960 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 97 PID 4420 wrote to memory of 1960 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 97 PID 4420 wrote to memory of 1960 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 97 PID 4420 wrote to memory of 2100 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 100 PID 4420 wrote to memory of 2100 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 100 PID 2100 wrote to memory of 4364 2100 cmd.exe 102 PID 2100 wrote to memory of 4364 2100 cmd.exe 102 PID 4420 wrote to memory of 416 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 103 PID 4420 wrote to memory of 416 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 103 PID 4420 wrote to memory of 416 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 103 PID 4420 wrote to memory of 1580 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 105 PID 4420 wrote to memory of 1580 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 105 PID 4420 wrote to memory of 1580 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 105 PID 4420 wrote to memory of 3952 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 107 PID 4420 wrote to memory of 3952 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 107 PID 4420 wrote to memory of 3952 4420 ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe 107 PID 3952 wrote to memory of 316 3952 csrss.exe 108 PID 3952 wrote to memory of 316 3952 csrss.exe 108 PID 3952 wrote to memory of 316 3952 csrss.exe 108 PID 3952 wrote to memory of 3744 3952 csrss.exe 113 PID 3952 wrote to memory of 3744 3952 csrss.exe 113 PID 3952 wrote to memory of 3744 3952 csrss.exe 113 PID 3952 wrote to memory of 2364 3952 csrss.exe 116 PID 3952 wrote to memory of 2364 3952 csrss.exe 116 PID 3952 wrote to memory of 2364 3952 csrss.exe 116 PID 3952 wrote to memory of 4620 3952 csrss.exe 118 PID 3952 wrote to memory of 4620 3952 csrss.exe 118 PID 3192 wrote to memory of 4948 3192 windefender.exe 124 PID 3192 wrote to memory of 4948 3192 windefender.exe 124 PID 3192 wrote to memory of 4948 3192 windefender.exe 124 PID 4948 wrote to memory of 416 4948 cmd.exe 125 PID 4948 wrote to memory of 416 4948 cmd.exe 125 PID 4948 wrote to memory of 416 4948 cmd.exe 125 -
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\ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe"C:\Users\Admin\AppData\Local\Temp\ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:232 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3552
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C:\Users\Admin\AppData\Local\Temp\ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.exe"C:\Users\Admin\AppData\Local\Temp\ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff.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:4420 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1960
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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:2100 -
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:4364
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:416
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1580
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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:3952 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:316
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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:2948
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:232
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3744
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2364
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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:4620
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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:3504
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3192 -
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:4948 -
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:416
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 9242⤵
- Program crash
PID:3984
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 232 -ip 2321⤵PID:2944
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4616
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
MD5b07f54fdf6dc8101d7f7240cd8fc8d6e
SHA1fdac81228869ec637139a1603c082becd87b5a8b
SHA2565327b0be0c5fbf143ef6b9ada824306dc3cfdfb0de79ca45f3f24966cf183ef8
SHA512dc60501fde9506188fd856d7a630aaefa7abb6be90955649d0fda7eedcaede6e4d788dc78519f4736fbb2ccb3abf85bf33b2777634ad82522e68a23154202d7e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5027563a17034488f0261160eafc365d3
SHA108e97a26739c4a88c49a6a049bf596e7a499f0b8
SHA256a7e77cc30dbcdd71d4be89b67adc3a3b73112a4f458158f1fdfcfcf73e070ffa
SHA512399896583cc69219eee8b9b095f16ecd88e01b3e201a4855c99f94898b937da8a15529761743dab9a31435a9ba0b88546b72f16d64420c7bfa03133506128651
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ce4f8d93459d232c12abf038ccc54245
SHA1fca3f56d839feccf465d27dfb2982d320e977515
SHA256c3bf2365e2aaa5811b081b8002df5c055bd1fb3bc0ed9aa7f9b0466daeeeafe8
SHA51215c1cbab662e0c13f97cb98df2aa455b8b9fccc17b66cf7117125b756e1384ead4d5380adeb4cc155fb1b3d684ad4d0681e31bc44f0ac472d97b90d6faadd7ea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD537f5aa665c867f058b0f6368a8c62ef3
SHA1ce081a5729abfd99cbc9737b691099f1e43d8a2a
SHA256f8c8b0ed7dbf654b6d6cb7e83ddedd5b9fb85244edbd6c4c998a35f974d06544
SHA512df211900e69209ce61b8490a0ce90733670f2f734892e9045b3217d2a3cf1410455e75baa1d446221e2dfd551875880e19abd9869901b4f88b47e5f1e3ca2cc0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD566a894be08e0fd7bc596ee74ef6b13f9
SHA1f5414193d8e337dd6a0c57780c1d149450f83561
SHA256f143f534e0682793c71aa0ce4127e3ff262e90891abef28f3bbe0e4321c34ab6
SHA5123afdca6c20c4f90f4b20210daba959270f365396de575db9f08331f171e16983dcced7226feec4bd3af6c083ce5e9dc1e17ffd326731e51f9908b413f7928df9
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Filesize
4.1MB
MD5a3834f83074aca980bcc6a01a92e23d2
SHA132ebd65ca8a92202c7e6ff84f219b37590f48ef7
SHA256ec4167777540b70413abb52b68f385f1566b72b4a4d8f9b67fe59fe339bf32ff
SHA512f1d9725d3522abeb498aa8caf1e868e0357c4c3535caf9346c3ee21f379a8a1f2e579360bda22926d3f584be4d446e2a1b774d428d3785d96bbacc2eb128b979
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec