Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 12:47
Static task
static1
Behavioral task
behavioral1
Sample
9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe
Resource
win10v2004-20240426-en
General
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Target
9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe
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Size
4.1MB
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MD5
b2f1109b4dea51d37ea1a5dd80b1edca
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SHA1
dd22897f121e35502173928cb06bbcf56e7ed1f7
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SHA256
9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc
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SHA512
9e4a71f43ba0e3c0f073e05d832064787ab4dc15d00a9fcc48f705ec42a8c2903dcc39c66e72e84db10cd7d44c0a4576b5f995605c6c4453c56b0b4038c6beb0
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SSDEEP
98304:/BVs1p4PpCxl89qkqVHLjfQjDTn2r+Nbd:Ja1p4P0l8MfVLMTrd
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1832-2-0x0000000004C20000-0x000000000550B000-memory.dmp family_glupteba behavioral2/memory/1832-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1832-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1832-54-0x0000000004C20000-0x000000000550B000-memory.dmp family_glupteba behavioral2/memory/1832-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1832-65-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3628-64-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3628-129-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2640-151-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2640-205-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2640-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2640-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2640-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2640-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2640-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2640-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2640-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2640-243-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2640-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5052 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2640 csrss.exe 2296 injector.exe 432 windefender.exe 4768 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa3a-208.dat upx behavioral2/memory/432-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/432-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4768-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4768-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.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 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe File created C:\Windows\rss\csrss.exe 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2524 sc.exe -
pid Process 1576 powershell.exe 2308 powershell.exe 4176 powershell.exe 3156 powershell.exe 1644 powershell.exe 2280 powershell.exe 3392 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 3936 schtasks.exe 4860 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,-621 = "Korea Daylight Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.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,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.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,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.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,-2002 = "Cabo Verde Standard Time" windefender.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,-441 = "Arabian Daylight Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.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,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-2612 = "Bougainville Standard Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.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\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard 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,-1662 = "Bahia Standard Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3156 powershell.exe 3156 powershell.exe 1832 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 1832 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 1644 powershell.exe 1644 powershell.exe 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 2280 powershell.exe 2280 powershell.exe 3392 powershell.exe 3392 powershell.exe 1576 powershell.exe 1576 powershell.exe 2308 powershell.exe 2308 powershell.exe 4176 powershell.exe 4176 powershell.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2640 csrss.exe 2640 csrss.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2640 csrss.exe 2640 csrss.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2640 csrss.exe 2640 csrss.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3156 powershell.exe Token: SeDebugPrivilege 1832 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Token: SeImpersonatePrivilege 1832 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe Token: SeDebugPrivilege 1644 powershell.exe Token: SeDebugPrivilege 2280 powershell.exe Token: SeDebugPrivilege 3392 powershell.exe Token: SeDebugPrivilege 1576 powershell.exe Token: SeDebugPrivilege 2308 powershell.exe Token: SeDebugPrivilege 4176 powershell.exe Token: SeSystemEnvironmentPrivilege 2640 csrss.exe Token: SeSecurityPrivilege 2524 sc.exe Token: SeSecurityPrivilege 2524 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1832 wrote to memory of 3156 1832 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 81 PID 1832 wrote to memory of 3156 1832 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 81 PID 1832 wrote to memory of 3156 1832 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 81 PID 3628 wrote to memory of 1644 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 86 PID 3628 wrote to memory of 1644 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 86 PID 3628 wrote to memory of 1644 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 86 PID 3628 wrote to memory of 4768 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 88 PID 3628 wrote to memory of 4768 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 88 PID 4768 wrote to memory of 5052 4768 cmd.exe 90 PID 4768 wrote to memory of 5052 4768 cmd.exe 90 PID 3628 wrote to memory of 2280 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 91 PID 3628 wrote to memory of 2280 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 91 PID 3628 wrote to memory of 2280 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 91 PID 3628 wrote to memory of 3392 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 93 PID 3628 wrote to memory of 3392 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 93 PID 3628 wrote to memory of 3392 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 93 PID 3628 wrote to memory of 2640 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 95 PID 3628 wrote to memory of 2640 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 95 PID 3628 wrote to memory of 2640 3628 9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe 95 PID 2640 wrote to memory of 1576 2640 csrss.exe 96 PID 2640 wrote to memory of 1576 2640 csrss.exe 96 PID 2640 wrote to memory of 1576 2640 csrss.exe 96 PID 2640 wrote to memory of 2308 2640 csrss.exe 102 PID 2640 wrote to memory of 2308 2640 csrss.exe 102 PID 2640 wrote to memory of 2308 2640 csrss.exe 102 PID 2640 wrote to memory of 4176 2640 csrss.exe 104 PID 2640 wrote to memory of 4176 2640 csrss.exe 104 PID 2640 wrote to memory of 4176 2640 csrss.exe 104 PID 2640 wrote to memory of 2296 2640 csrss.exe 106 PID 2640 wrote to memory of 2296 2640 csrss.exe 106 PID 432 wrote to memory of 488 432 windefender.exe 112 PID 432 wrote to memory of 488 432 windefender.exe 112 PID 432 wrote to memory of 488 432 windefender.exe 112 PID 488 wrote to memory of 2524 488 cmd.exe 113 PID 488 wrote to memory of 2524 488 cmd.exe 113 PID 488 wrote to memory of 2524 488 cmd.exe 113 -
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\9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe"C:\Users\Admin\AppData\Local\Temp\9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3156
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C:\Users\Admin\AppData\Local\Temp\9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.exe"C:\Users\Admin\AppData\Local\Temp\9e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc.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:3628 -
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:1644
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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:4768 -
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:5052
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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:2280
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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:3392
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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:2640 -
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:1576
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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:3936
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2144
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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:2308
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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:4176
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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:2296
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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:4860
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:432 -
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:488 -
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:2524
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4768
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
MD50120109f3f95726936c7c7c4c61ea409
SHA1ab535e31fc4be79d9639209674f5d2eac78ef29b
SHA25677faa6640f7fe849bd0489db6e6ddc826c28d1beec6a1b2e1e3857c5110498e5
SHA512eda0da07b77be7d39988aa179d674883d01907e9e34625622f4225a45b3a0dd2d83e653075e01f5e639f7063de2c41bbf14a46ac0fc00c1a834b803ed732fbe7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aa74c2bd993a7d6478f662a0b62781ec
SHA11f3b9e604fb48cedb90861aa701ee13d6e9deb92
SHA25694c045b077f60e70bc712780c301d23ec28a3d1f7527b5626553f272bc55f10e
SHA5126ae6cfe74500d5adc6fb9433462c0f79a677640e72a67d438be2ca4b9d1063f41f2b3a41339d438c64eecacd4c0f83aa1df0f3778068ef9de8d6eb8792e9e90b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD577e0575cfa8d4257eb803befc28597df
SHA1aa836effc01bf1476111fd06f34e5a28f46a818b
SHA256dd9dbbc08fd59def9275ea558013c11607e9a10a71574737518f107b00f77600
SHA51235d7e7c7c5243869496c3adf9bf7f7d0e8086282c683ce7aa91e12463d9e98db18eec7140469e3a727d743c416ee91f82c7ff4e2df6260fff2dabbce4914342c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56a860e5e7f737033ca97719eee161a28
SHA123776457e0b933be63225f7fd05bbdb8ce3cd41f
SHA256b6120a6253ce3ceeca7792b031ad91d5709e40d678d7ac0c412c6b7af681de25
SHA512d36bd019da492296ef76ab708ffe235fc5aee9ff91bf60b97342e719abb23668b7d2994541b07c7a3737886e2fd15b177e4ceb89c04a477f25b869217f7aeff1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f02b747e8d6255598cda97efdf486cb5
SHA103459266d2721df1a022d58af0c9ecc845994375
SHA256511fc6cd00cdb529ced5cf56ccfd58f843b87c953e1a4717376e7af089c1673e
SHA51227db4be72b4e0500663fe8b8c0caa1e4d6ec7ca9bdc36446f8d3fa970083f8b2f0ee64338c596d4e20e11720aa1d7e497703dde08e1e61bdadba7aaa111f3f85
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Filesize
4.1MB
MD5b2f1109b4dea51d37ea1a5dd80b1edca
SHA1dd22897f121e35502173928cb06bbcf56e7ed1f7
SHA2569e9b5e77285ae7fbfa02b39385bcb6d6a68948fc386d7f58642bdcf5269e4ddc
SHA5129e4a71f43ba0e3c0f073e05d832064787ab4dc15d00a9fcc48f705ec42a8c2903dcc39c66e72e84db10cd7d44c0a4576b5f995605c6c4453c56b0b4038c6beb0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec