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Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/05/2024, 08:55
Static task
static1
Behavioral task
behavioral1
Sample
07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe
Resource
win10v2004-20240426-en
General
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Target
07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe
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Size
4.1MB
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MD5
7b807ddf1e7dfd715ea5561e06f0b458
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SHA1
13c67cd03c8b5eb0499aa48281a4f99c972839a7
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SHA256
07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd
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SHA512
6b1a0ace42c32395b2e1e6ddfa8910061d23f48c93b842edd16609546d07b8d763bd0afb262454377f69c26d7775b534e991c5041c40da21ba1e3a0603741094
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SSDEEP
98304:QvCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1m:QvC3DFSWO/BjYGk1PnXHoWWZ1za6Nm
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4904-2-0x00000000045E0000-0x0000000004ECB000-memory.dmp family_glupteba behavioral2/memory/4904-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4904-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4904-54-0x00000000045E0000-0x0000000004ECB000-memory.dmp family_glupteba behavioral2/memory/4904-51-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2804-125-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2628-198-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2628-209-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2628-215-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2628-217-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2628-219-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2628-221-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2628-223-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2628-225-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2628-227-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2628-229-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2628-231-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2628-233-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2628-235-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2296 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2628 csrss.exe 4892 injector.exe 4564 windefender.exe 244 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa15-207.dat upx behavioral2/memory/4564-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/244-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4564-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/244-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/244-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe File created C:\Windows\rss\csrss.exe 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.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 4588 sc.exe -
pid Process 2468 powershell.exe 2092 powershell.exe 3868 powershell.exe 4204 powershell.exe 1352 powershell.exe 4964 powershell.exe 2020 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4768 schtasks.exe 4212 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.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" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.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,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.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,-2391 = "Aleutian Daylight Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4204 powershell.exe 4204 powershell.exe 4904 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 4904 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 1352 powershell.exe 1352 powershell.exe 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 4964 powershell.exe 4964 powershell.exe 2020 powershell.exe 2020 powershell.exe 2468 powershell.exe 2468 powershell.exe 2092 powershell.exe 2092 powershell.exe 3868 powershell.exe 3868 powershell.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 2628 csrss.exe 2628 csrss.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 2628 csrss.exe 2628 csrss.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 2628 csrss.exe 2628 csrss.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4204 powershell.exe Token: SeDebugPrivilege 4904 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Token: SeImpersonatePrivilege 4904 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe Token: SeDebugPrivilege 1352 powershell.exe Token: SeDebugPrivilege 4964 powershell.exe Token: SeDebugPrivilege 2020 powershell.exe Token: SeDebugPrivilege 2468 powershell.exe Token: SeDebugPrivilege 2092 powershell.exe Token: SeDebugPrivilege 3868 powershell.exe Token: SeSystemEnvironmentPrivilege 2628 csrss.exe Token: SeSecurityPrivilege 4588 sc.exe Token: SeSecurityPrivilege 4588 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4904 wrote to memory of 4204 4904 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 83 PID 4904 wrote to memory of 4204 4904 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 83 PID 4904 wrote to memory of 4204 4904 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 83 PID 2804 wrote to memory of 1352 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 88 PID 2804 wrote to memory of 1352 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 88 PID 2804 wrote to memory of 1352 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 88 PID 2804 wrote to memory of 396 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 90 PID 2804 wrote to memory of 396 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 90 PID 396 wrote to memory of 2296 396 cmd.exe 92 PID 396 wrote to memory of 2296 396 cmd.exe 92 PID 2804 wrote to memory of 4964 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 93 PID 2804 wrote to memory of 4964 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 93 PID 2804 wrote to memory of 4964 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 93 PID 2804 wrote to memory of 2020 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 95 PID 2804 wrote to memory of 2020 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 95 PID 2804 wrote to memory of 2020 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 95 PID 2804 wrote to memory of 2628 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 97 PID 2804 wrote to memory of 2628 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 97 PID 2804 wrote to memory of 2628 2804 07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe 97 PID 2628 wrote to memory of 2468 2628 csrss.exe 98 PID 2628 wrote to memory of 2468 2628 csrss.exe 98 PID 2628 wrote to memory of 2468 2628 csrss.exe 98 PID 2628 wrote to memory of 2092 2628 csrss.exe 103 PID 2628 wrote to memory of 2092 2628 csrss.exe 103 PID 2628 wrote to memory of 2092 2628 csrss.exe 103 PID 2628 wrote to memory of 3868 2628 csrss.exe 106 PID 2628 wrote to memory of 3868 2628 csrss.exe 106 PID 2628 wrote to memory of 3868 2628 csrss.exe 106 PID 2628 wrote to memory of 4892 2628 csrss.exe 108 PID 2628 wrote to memory of 4892 2628 csrss.exe 108 PID 4564 wrote to memory of 4224 4564 windefender.exe 114 PID 4564 wrote to memory of 4224 4564 windefender.exe 114 PID 4564 wrote to memory of 4224 4564 windefender.exe 114 PID 4224 wrote to memory of 4588 4224 cmd.exe 115 PID 4224 wrote to memory of 4588 4224 cmd.exe 115 PID 4224 wrote to memory of 4588 4224 cmd.exe 115 -
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\07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe"C:\Users\Admin\AppData\Local\Temp\07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4904 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4204
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C:\Users\Admin\AppData\Local\Temp\07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.exe"C:\Users\Admin\AppData\Local\Temp\07ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd.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:2804 -
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:1352
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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:396 -
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:2296
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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:4964
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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:2020
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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:2628 -
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:2468
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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:4768
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3900
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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:2092
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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:3868
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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:4892
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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:4212
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4564 -
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:4224 -
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:4588
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:244
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD593c374a16a8afc4b06112becabca95e4
SHA106cd4f7b9ad479301983d3e3f6fa399e47acf20c
SHA256424f2d2268f79d24a96cc52c2e755352d14ecad6f506ab15575cd9664190a9e9
SHA512f905220ad2a26b93772eb218f5ba4b394a20ccb459d0da453796a5b587d8a1075c616323b5b802a24a03ee560356bd6b563dba78663422bfc4190fa482691238
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5be89c27c2cfce83efd24ca46304912fb
SHA1377552c48f858df739d6bd037af3f7a65a080834
SHA2564ffe9bea2d26370d68fd3162c07c12dd6dd8adf3a8108ab5ca35e2053e5769bb
SHA5128d4ca6a84e271866db3fd60ebb2945b555e1f7f15c30b627a2a17217616dcb55a248dea00b3a9982ca615e8f6bd5503f673228279ba214e3b091135eb2b75f50
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51c895f974fc8299fcb049d999b6028f2
SHA10bf8fb83dffd2e6d4f963cacdd763165c9bd3c54
SHA2565ee894345ccba6af02b69c1cc202fcfa57eb14212a31ceb65035955b3a952948
SHA512f14d69cd7ce098553054f29763354b69671b925398ed6a9063da95a02f10439cf678c05e911ec88ebe6322bc1553ec507bd6c8e9d2d00a5429c451dd55b04cd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57a74973fe15f9235976607b6ffcc6552
SHA1a0b4c6f79292cf58bf0e737289157e5028b430d0
SHA2564631d074a1c67f6687aa9e5c91781fb83919ee361b830f3adc2f6c6d4479b070
SHA5127fb660eeefd5bec43fc37139676dbbd7071889aa8d25957b6541b1611666787a02a8252290f3882b62cae46309da309fa1b1f9d29dcc8fcff5a0cc2601877f88
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f1ba789aea517352891cc8a1b0addd12
SHA1ca7662865d80bb33005ec3b9c562b33270162260
SHA2563b458cb8a38d7771ef53e1f2bac743ee171381b553267fa510fd42dd2b2c6e73
SHA5120d217057af571ef2a86bd3d52f7477291e7d5f9825bd9d2dc5003ade8ea37f3f220b2acfde1f776790a796bd077361096fc10d3ae51ea3d6dd1514d947499d64
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Filesize
4.1MB
MD57b807ddf1e7dfd715ea5561e06f0b458
SHA113c67cd03c8b5eb0499aa48281a4f99c972839a7
SHA25607ccf40e159da6dcd391d259d8f7ae6fee4f47f8905943042c60289f15044fbd
SHA5126b1a0ace42c32395b2e1e6ddfa8910061d23f48c93b842edd16609546d07b8d763bd0afb262454377f69c26d7775b534e991c5041c40da21ba1e3a0603741094
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec