Analysis
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max time kernel
150s -
max time network
124s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 11:21
Static task
static1
Behavioral task
behavioral1
Sample
2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe
Resource
win10v2004-20240508-en
General
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Target
2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe
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Size
4.1MB
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MD5
6b6e52b3fb89932eb1a71bd976e4b2b9
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SHA1
5f3d91d46f467b0569f668ebae23045b8ce4809d
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SHA256
2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90
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SHA512
4ba84bc2d6b0ec966fe2ba7764cc0973c76e29c10aea38b10c40a1fd2451edf3cd0f6c949df13679e3f3cce05c49786bc8ecc3ca70bb969b616f223536e2a6a5
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SSDEEP
98304:vQRIh4uLuEEVqS5oryfPYtPRvG0pG4X3B/:3K95KswtE0pG4B/
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4880-2-0x0000000004E00000-0x00000000056EB000-memory.dmp family_glupteba behavioral2/memory/4880-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4880-100-0x0000000004E00000-0x00000000056EB000-memory.dmp family_glupteba behavioral2/memory/4880-99-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/560-126-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4880-147-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3452-194-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3452-210-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3452-212-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3452-216-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3452-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3452-221-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3452-224-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3452-227-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3452-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3452-233-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3452-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3452-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3452-242-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4160 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3452 csrss.exe 4192 injector.exe 2980 windefender.exe 3740 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f6-203.dat upx behavioral2/memory/2980-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3740-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2980-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3740-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3740-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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 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 -
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 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe File created C:\Windows\rss\csrss.exe 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4308 sc.exe -
pid Process 3160 powershell.exe 1308 powershell.exe 4204 powershell.exe 2664 powershell.exe 1900 powershell.exe 2604 powershell.exe 3552 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 2756 schtasks.exe 2880 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,-672 = "AUS Eastern Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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,-262 = "GMT Standard Time" windefender.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,-2181 = "Astrakhan Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" 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\Root\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3160 powershell.exe 3160 powershell.exe 4880 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 4880 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 1308 powershell.exe 1308 powershell.exe 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 4204 powershell.exe 4204 powershell.exe 2664 powershell.exe 2664 powershell.exe 1900 powershell.exe 1900 powershell.exe 2604 powershell.exe 2604 powershell.exe 3552 powershell.exe 3552 powershell.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 3452 csrss.exe 3452 csrss.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 3452 csrss.exe 3452 csrss.exe 4192 injector.exe 4192 injector.exe 3452 csrss.exe 3452 csrss.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe 4192 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3160 powershell.exe Token: SeDebugPrivilege 4880 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Token: SeImpersonatePrivilege 4880 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Token: SeDebugPrivilege 1308 powershell.exe Token: SeDebugPrivilege 4204 powershell.exe Token: SeDebugPrivilege 2664 powershell.exe Token: SeDebugPrivilege 1900 powershell.exe Token: SeDebugPrivilege 2604 powershell.exe Token: SeDebugPrivilege 3552 powershell.exe Token: SeSystemEnvironmentPrivilege 3452 csrss.exe Token: SeSecurityPrivilege 4308 sc.exe Token: SeSecurityPrivilege 4308 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4880 wrote to memory of 3160 4880 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 78 PID 4880 wrote to memory of 3160 4880 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 78 PID 4880 wrote to memory of 3160 4880 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 78 PID 560 wrote to memory of 1308 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 83 PID 560 wrote to memory of 1308 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 83 PID 560 wrote to memory of 1308 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 83 PID 560 wrote to memory of 2956 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 85 PID 560 wrote to memory of 2956 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 85 PID 2956 wrote to memory of 4160 2956 cmd.exe 87 PID 2956 wrote to memory of 4160 2956 cmd.exe 87 PID 560 wrote to memory of 4204 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 88 PID 560 wrote to memory of 4204 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 88 PID 560 wrote to memory of 4204 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 88 PID 560 wrote to memory of 2664 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 90 PID 560 wrote to memory of 2664 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 90 PID 560 wrote to memory of 2664 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 90 PID 560 wrote to memory of 3452 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 92 PID 560 wrote to memory of 3452 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 92 PID 560 wrote to memory of 3452 560 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 92 PID 3452 wrote to memory of 1900 3452 csrss.exe 93 PID 3452 wrote to memory of 1900 3452 csrss.exe 93 PID 3452 wrote to memory of 1900 3452 csrss.exe 93 PID 3452 wrote to memory of 2604 3452 csrss.exe 99 PID 3452 wrote to memory of 2604 3452 csrss.exe 99 PID 3452 wrote to memory of 2604 3452 csrss.exe 99 PID 3452 wrote to memory of 3552 3452 csrss.exe 101 PID 3452 wrote to memory of 3552 3452 csrss.exe 101 PID 3452 wrote to memory of 3552 3452 csrss.exe 101 PID 3452 wrote to memory of 4192 3452 csrss.exe 103 PID 3452 wrote to memory of 4192 3452 csrss.exe 103 PID 2980 wrote to memory of 3004 2980 windefender.exe 109 PID 2980 wrote to memory of 3004 2980 windefender.exe 109 PID 2980 wrote to memory of 3004 2980 windefender.exe 109 PID 3004 wrote to memory of 4308 3004 cmd.exe 110 PID 3004 wrote to memory of 4308 3004 cmd.exe 110 PID 3004 wrote to memory of 4308 3004 cmd.exe 110 -
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\2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe"C:\Users\Admin\AppData\Local\Temp\2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4880 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3160
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C:\Users\Admin\AppData\Local\Temp\2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe"C:\Users\Admin\AppData\Local\Temp\2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.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:560 -
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:1308
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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:2956 -
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:4160
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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:4204
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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:2664
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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:3452 -
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:1900
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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:2756
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2780
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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:2604
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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:3552
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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:4192
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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:2880
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2980 -
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:3004 -
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:4308
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3740
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD546d3e91caa18e4ed9cffdfb600bced89
SHA1bf7b2d6b47997ba296a57a2b26ccdd287e137515
SHA2563d046e00df75e8fe7529b938f8d9420ca864dc65df7c03091139599ef4ca47d3
SHA512450d53e6791130d900c707a9eeb1d261312f505b8280f988a4a3c0c605fc64812c976bee9df2b4509588a0be7814c98d39d54a1ea30144551e0b04ba770c3129
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a116a8d5e9d010d4ebc5afa96536c944
SHA1e6f00692d50ef5500485461ce9a70bd112ae2521
SHA25619f31cab060ff888038ea73e683cbf445451e490f94ec2db5322d1ebeb122ac9
SHA5123db00de074224bf8728084331d886401a98d3fd2a89a1e46a85c7ef72c5638d6db1974ba8905e140a2d4defa9b4cf649a7b2ff8f3a09e7a8a40aa482821ac6cc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD551f3ae533bb1c369ff0bf8abef7204bb
SHA1d52a9d21e52f41c7548d08510b1dc2407dc1be35
SHA25651ba14959a052550297c9df60436d88434556fd7fbc84a7482f98a9d4ae672ff
SHA512bab03c83a4947c59a3451e5ed701ffab3eb4bf951379848ed39b64834194dc555329d45052d26aea58dbb6ffba3f9a867f1e457e081a2cce4c0012395b7cb0ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50838e712f69f5859057e0aae45a617e5
SHA190437a6b9f6c4cbc85f9f75aa5ed17f7b72d4f0c
SHA2569d969a220a28cd74bd3c7afde7d2e36b2ba4d8851a2655f656c1ad05ede69311
SHA512e9bdfb8c6e703d3bc0694edadaf78cd8030d2020751e1bff3e17b07da5fc264e482cc518e075dc04f66ceb27b024e2dc85e2f0f911ccf3d220fae1ae194f5fc7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD577c30125adada675afe68d5e8f073943
SHA1c2ab71cc7b97926bdc6e93e2c8f4d96e5feba2a8
SHA25690a588d88d928183dfb0b03f5bae673b89fed8330dc317ba14719fa5715d24f1
SHA512fcdd93ec8508a95ee34be32284e08a2536631a4d6eaeb32a5de9834149bdb0ffdf25222073f32ccfad3088869dbda7e83193631be35197d53f0d056d09b85fee
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Filesize
4.1MB
MD56b6e52b3fb89932eb1a71bd976e4b2b9
SHA15f3d91d46f467b0569f668ebae23045b8ce4809d
SHA2562cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90
SHA5124ba84bc2d6b0ec966fe2ba7764cc0973c76e29c10aea38b10c40a1fd2451edf3cd0f6c949df13679e3f3cce05c49786bc8ecc3ca70bb969b616f223536e2a6a5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec