Analysis
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max time kernel
149s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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 behavioral1/memory/3012-2-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral1/memory/3012-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3012-102-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3012-167-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral1/memory/768-166-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3012-206-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3580-208-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3580-222-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3580-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3580-232-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3580-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3580-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3580-244-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3580-248-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3580-252-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3580-256-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3580-260-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3580-264-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3580-268-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2868 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3580 csrss.exe 2696 injector.exe 1756 windefender.exe 3900 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002341b-218.dat upx behavioral1/memory/1756-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3900-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1756-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3900-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3900-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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 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 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe File created C:\Windows\rss\csrss.exe 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.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 4496 sc.exe -
pid Process 1584 powershell.exe 2288 powershell.exe 4684 powershell.exe 1820 powershell.exe 512 powershell.exe 2216 powershell.exe 900 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 2384 schtasks.exe 436 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\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.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,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey 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" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal 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\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1584 powershell.exe 1584 powershell.exe 3012 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 3012 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 2288 powershell.exe 2288 powershell.exe 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 4684 powershell.exe 4684 powershell.exe 4684 powershell.exe 1820 powershell.exe 1820 powershell.exe 1820 powershell.exe 512 powershell.exe 512 powershell.exe 2216 powershell.exe 2216 powershell.exe 900 powershell.exe 900 powershell.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 3580 csrss.exe 3580 csrss.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 3580 csrss.exe 3580 csrss.exe 2696 injector.exe 2696 injector.exe 3580 csrss.exe 3580 csrss.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe 2696 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1584 powershell.exe Token: SeDebugPrivilege 3012 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Token: SeImpersonatePrivilege 3012 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe Token: SeDebugPrivilege 2288 powershell.exe Token: SeDebugPrivilege 4684 powershell.exe Token: SeDebugPrivilege 1820 powershell.exe Token: SeDebugPrivilege 512 powershell.exe Token: SeDebugPrivilege 2216 powershell.exe Token: SeDebugPrivilege 900 powershell.exe Token: SeSystemEnvironmentPrivilege 3580 csrss.exe Token: SeSecurityPrivilege 4496 sc.exe Token: SeSecurityPrivilege 4496 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3012 wrote to memory of 1584 3012 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 84 PID 3012 wrote to memory of 1584 3012 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 84 PID 3012 wrote to memory of 1584 3012 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 84 PID 768 wrote to memory of 2288 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 95 PID 768 wrote to memory of 2288 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 95 PID 768 wrote to memory of 2288 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 95 PID 768 wrote to memory of 1308 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 99 PID 768 wrote to memory of 1308 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 99 PID 1308 wrote to memory of 2868 1308 cmd.exe 102 PID 1308 wrote to memory of 2868 1308 cmd.exe 102 PID 768 wrote to memory of 4684 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 103 PID 768 wrote to memory of 4684 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 103 PID 768 wrote to memory of 4684 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 103 PID 768 wrote to memory of 1820 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 106 PID 768 wrote to memory of 1820 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 106 PID 768 wrote to memory of 1820 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 106 PID 768 wrote to memory of 3580 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 108 PID 768 wrote to memory of 3580 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 108 PID 768 wrote to memory of 3580 768 2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe 108 PID 3580 wrote to memory of 512 3580 csrss.exe 109 PID 3580 wrote to memory of 512 3580 csrss.exe 109 PID 3580 wrote to memory of 512 3580 csrss.exe 109 PID 3580 wrote to memory of 2216 3580 csrss.exe 114 PID 3580 wrote to memory of 2216 3580 csrss.exe 114 PID 3580 wrote to memory of 2216 3580 csrss.exe 114 PID 3580 wrote to memory of 900 3580 csrss.exe 117 PID 3580 wrote to memory of 900 3580 csrss.exe 117 PID 3580 wrote to memory of 900 3580 csrss.exe 117 PID 3580 wrote to memory of 2696 3580 csrss.exe 119 PID 3580 wrote to memory of 2696 3580 csrss.exe 119 PID 1756 wrote to memory of 5092 1756 windefender.exe 126 PID 1756 wrote to memory of 5092 1756 windefender.exe 126 PID 1756 wrote to memory of 5092 1756 windefender.exe 126 PID 5092 wrote to memory of 4496 5092 cmd.exe 127 PID 5092 wrote to memory of 4496 5092 cmd.exe 127 PID 5092 wrote to memory of 4496 5092 cmd.exe 127 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe"C:\Users\Admin\AppData\Local\Temp\2cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1584
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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:768 -
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:2288
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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:1308 -
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:2868
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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:4684
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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:1820
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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:3580 -
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:512
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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:2384
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4668
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2216
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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:900
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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:2696
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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:436
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1756 -
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:5092 -
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:4496
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3900
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59aaec8d1dcf131072d5d3eefc7cae0bb
SHA19ccda599b7c56628d73c83c3e70aa90d35273282
SHA256f844cb9502940173b294ed0ec083c15bc8158445342851305f28c55412a14dfe
SHA51290a4363c4219527894ad155dee593448fcd3414ee74d3b78b45fdef5c3b6c2e69f306fd0b4e9faedd9621c3fca362678699fea0dfd65a5ca4bd029f2490c76a4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58eacde186d857cf908a52a09201cee1a
SHA1bcc542708855291fd3422c5a2076cc7eb697da83
SHA256cb6bbb9fccff3a042434df6eb126be92fe3de239358a0f920a0ee589fd7b6202
SHA5123313ebac356cca00f7a690f7a52ef3568b2d20b8e140b1e55d3761307e1db21a50d09eeea5ae6bf35379fd258f0595be6925d0693e3ad6cd6f2ed0287cba8e74
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f42b2cb8dcc5cccc24e2be2f89c6555f
SHA13c6afc9ca88efdf0d26dc199c1a73e630244cc15
SHA2561e4ba802e2a0937ac0712fe958e297701db8a90a203978c7bc4c0a142475c9ce
SHA512ef66316c0b3ecf84b53bd5ba3e36884d20bd30d7761acbf7aaff041d52b9638230f2d60364ba46ee902890bbb9df632e9a0e77e6c3f03ace57728f1597b08bc8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53bf621bb155dff86d0d43842de90844b
SHA1fba532a9cd55b475d4b05467bc9befe060dc83e9
SHA25625b31b24aa945fe46d79fd1da91bf9b7973c4a7b57464b6123070897e05c2147
SHA51289b0a5c431747ce378d1628cd835b68eada18aae8263a5a1fac4fb49b18738ac03bbafbe1fb8eace3f833d68c1fed8b072e70cf0b84394f626d7a57fff0f3633
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD547ff9dfabf4fa5e4e9edb398524dc36d
SHA1d1606b616be65e92e51a64117c9b19ea279d2876
SHA256528b19e5a5cb408c4c251333f96bd0e460e7ba36545ea1ef70c00720c5160989
SHA512865fe37e7e987caf6418241a94e1abafc2d0c2f88ce8a7e1c2638c2095ab16e12c54a8f11c408d68adb084376e6c5d7818bf8760f715b106e2616a1368298038
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Filesize
4.1MB
MD56b6e52b3fb89932eb1a71bd976e4b2b9
SHA15f3d91d46f467b0569f668ebae23045b8ce4809d
SHA2562cc71411d67f8d1b861a5a0b9a9ba3afe5b55f1cddb7099c7e7d13475f65ac90
SHA5124ba84bc2d6b0ec966fe2ba7764cc0973c76e29c10aea38b10c40a1fd2451edf3cd0f6c949df13679e3f3cce05c49786bc8ecc3ca70bb969b616f223536e2a6a5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec