Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 19:32
Static task
static1
Behavioral task
behavioral1
Sample
cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe
Resource
win10v2004-20240426-en
General
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Target
cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe
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Size
4.1MB
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MD5
afaa5225d213cb99063a5abbe26f6b1a
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SHA1
9b6339355b406f945214db35840da8211490b78d
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SHA256
cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f
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SHA512
df4c03f5318efbdefe8d900795477fd30315ca597d3afe6778777fd8b3667e49abd8280c89db79d52e342ef4900b80f2c138deb8e53dbcd811d60414abbf211f
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SSDEEP
98304:vjrHiscAnk4Z0f7mBZCfuP+pmwVLETOu5PKDHvrjVgO2D:7rhn/yCBZkM+pB3dzS
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3328-2-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/3328-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2132-131-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2132-133-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/3328-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4936-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4936-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4936-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4936-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4936-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4936-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4936-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4936-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4936-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4936-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4936-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4936-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4936-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4976 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4936 csrss.exe 5096 injector.exe 2268 windefender.exe 4348 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023429-217.dat upx behavioral1/memory/2268-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4348-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2268-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4348-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4348-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4348-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe File created C:\Windows\rss\csrss.exe cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.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 1628 sc.exe -
pid Process 4636 powershell.exe 3736 powershell.exe 4792 powershell.exe 2260 powershell.exe 4172 powershell.exe 3616 powershell.exe 2200 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 4400 schtasks.exe 3788 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,-2512 = "Lord Howe Standard Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight 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\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.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,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.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,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-2612 = "Bougainville Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western 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,-91 = "Pacific SA Daylight Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\@tzres.dll,-492 = "India 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\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4172 powershell.exe 4172 powershell.exe 3328 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 3328 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 3616 powershell.exe 3616 powershell.exe 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 2200 powershell.exe 2200 powershell.exe 4636 powershell.exe 4636 powershell.exe 3736 powershell.exe 3736 powershell.exe 3736 powershell.exe 4792 powershell.exe 4792 powershell.exe 4792 powershell.exe 2260 powershell.exe 2260 powershell.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 4936 csrss.exe 4936 csrss.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 4936 csrss.exe 4936 csrss.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 4936 csrss.exe 4936 csrss.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe 5096 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4172 powershell.exe Token: SeDebugPrivilege 3328 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Token: SeImpersonatePrivilege 3328 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe Token: SeDebugPrivilege 3616 powershell.exe Token: SeDebugPrivilege 2200 powershell.exe Token: SeDebugPrivilege 4636 powershell.exe Token: SeDebugPrivilege 3736 powershell.exe Token: SeDebugPrivilege 4792 powershell.exe Token: SeDebugPrivilege 2260 powershell.exe Token: SeSystemEnvironmentPrivilege 4936 csrss.exe Token: SeSecurityPrivilege 1628 sc.exe Token: SeSecurityPrivilege 1628 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3328 wrote to memory of 4172 3328 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 88 PID 3328 wrote to memory of 4172 3328 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 88 PID 3328 wrote to memory of 4172 3328 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 88 PID 2132 wrote to memory of 3616 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 94 PID 2132 wrote to memory of 3616 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 94 PID 2132 wrote to memory of 3616 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 94 PID 2132 wrote to memory of 4088 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 100 PID 2132 wrote to memory of 4088 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 100 PID 4088 wrote to memory of 4976 4088 cmd.exe 102 PID 4088 wrote to memory of 4976 4088 cmd.exe 102 PID 2132 wrote to memory of 2200 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 103 PID 2132 wrote to memory of 2200 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 103 PID 2132 wrote to memory of 2200 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 103 PID 2132 wrote to memory of 4636 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 105 PID 2132 wrote to memory of 4636 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 105 PID 2132 wrote to memory of 4636 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 105 PID 2132 wrote to memory of 4936 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 109 PID 2132 wrote to memory of 4936 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 109 PID 2132 wrote to memory of 4936 2132 cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe 109 PID 4936 wrote to memory of 3736 4936 csrss.exe 110 PID 4936 wrote to memory of 3736 4936 csrss.exe 110 PID 4936 wrote to memory of 3736 4936 csrss.exe 110 PID 4936 wrote to memory of 4792 4936 csrss.exe 115 PID 4936 wrote to memory of 4792 4936 csrss.exe 115 PID 4936 wrote to memory of 4792 4936 csrss.exe 115 PID 4936 wrote to memory of 2260 4936 csrss.exe 118 PID 4936 wrote to memory of 2260 4936 csrss.exe 118 PID 4936 wrote to memory of 2260 4936 csrss.exe 118 PID 4936 wrote to memory of 5096 4936 csrss.exe 120 PID 4936 wrote to memory of 5096 4936 csrss.exe 120 PID 2268 wrote to memory of 1220 2268 windefender.exe 126 PID 2268 wrote to memory of 1220 2268 windefender.exe 126 PID 2268 wrote to memory of 1220 2268 windefender.exe 126 PID 1220 wrote to memory of 1628 1220 cmd.exe 127 PID 1220 wrote to memory of 1628 1220 cmd.exe 127 PID 1220 wrote to memory of 1628 1220 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\cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe"C:\Users\Admin\AppData\Local\Temp\cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3328 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4172
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C:\Users\Admin\AppData\Local\Temp\cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.exe"C:\Users\Admin\AppData\Local\Temp\cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f.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:2132 -
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:3616
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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:4088 -
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:4976
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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:2200
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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:4636
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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:4936 -
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:3736
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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:4400
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3868
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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:4792
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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:2260
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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:5096
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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:3788
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2268 -
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:1220 -
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:1628
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4348
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
MD513751ad45093b53614ef2b4b628254de
SHA104815b77f9943762f95189847ccb4fe3cd60fa73
SHA2569c734da5b30fb2194a5500ac416ac4af99df967f8374fc22719e5c3dc67a02b9
SHA512bde582bf6a1df5a638707e8e525c03324b9d2e823d008db73987c38222efd248cf137eee3448aa76dfd3452aefd27589a808d0d86b1c7227ad8e5df06bb327a0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5335a8b35c7f76ae1ff6ceddce2abe09c
SHA16fe449d3bcc0deb0db34fb17722ec27b089a0513
SHA256c7cdea7a967db21f48c981d214fd097c8056b52b248a80c1475b8303ef59ba84
SHA512b6ed213249152f097dd367d1b7803818476e72e815eaa909bb93f27b50b3b7110fb915a0e533ab962edadc510b7cb9e3ff67bfe1053413772998fdb1235ae368
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5628a3995efc32def13ac584cec306f64
SHA191e472dba119d1f42e84bacbef779e6c4eeb0450
SHA256ae66d72c9f1205c28f358491c377a6c6adf77846dad15d616a30a0bca2a6a356
SHA5121619c550c8dbc52872bbf3377cbce7d553cc375475ab2769fbcd4daddcd199a09d09b38de285e05c17b8cedbbd3087214b465bc3c785db4a28ec067031ad4fdf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD571df17b00663313f453af2322c901f01
SHA182f4fc50c05daab25e1fb687385d5aae985c3635
SHA256022f9ca06a6549e359a107fcf587eeeb376705a09749346aeb852cb9b2910c24
SHA5128767607e6848b64acf335660562ff29fd08ed3b2d6fdba5c24482268c8d00b8baa0284603e1f7909a436e8fefcbba2a2dc5ab3a1e3352d2e8031ae819848b790
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5892fd11b1eeb9cbaa063b4d17f088d68
SHA10995fd82291485eaebc0305096c243eb866fbefd
SHA25621837cc551138186ff5e6e9f1270e53ff2986b561ed107b1da9605172898c511
SHA51284bcb52ed65d23b2bae67f69fdf07fc2b5ab01333d55a86f6d8b64d923dca286e2bbdc2427a93c9be9022e5762071de0ca4c89a68763e27dc683ad16d5ea3b8c
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Filesize
4.1MB
MD5afaa5225d213cb99063a5abbe26f6b1a
SHA19b6339355b406f945214db35840da8211490b78d
SHA256cfbc7e9c8199fe3482305bbcafc80e076aa84c81e900d6305a8595651edd8c8f
SHA512df4c03f5318efbdefe8d900795477fd30315ca597d3afe6778777fd8b3667e49abd8280c89db79d52e342ef4900b80f2c138deb8e53dbcd811d60414abbf211f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec