Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 19:26
Static task
static1
Behavioral task
behavioral1
Sample
7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe
Resource
win10v2004-20240412-en
General
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Target
7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe
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Size
4.2MB
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MD5
bc162161fbbacbb8e9cc0ad7601df247
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SHA1
732d1aa81ed81ffb8c64e824d1516ef73ba44183
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SHA256
7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5
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SHA512
c73d1fa6958e5c3cbffe21ee527411e12427b76e8e4dee3297dc552bdaecf91a39e1a000d941a0c3fac51f1b60b0217b7dc01494709ecd9d1fd67e37ecb4ea52
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SSDEEP
98304:btwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHey:Jw6rquKXDtU1Y2GYniVjUHj
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/3816-2-0x00000000042A0000-0x0000000004B8B000-memory.dmp family_glupteba behavioral2/memory/3816-3-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3816-42-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3816-45-0x00000000042A0000-0x0000000004B8B000-memory.dmp family_glupteba behavioral2/memory/4800-46-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4800-133-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4800-141-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3872-143-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3872-237-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3872-246-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3872-248-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3872-250-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3872-252-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3872-254-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3872-256-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3872-258-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3872-260-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3872-262-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3872-264-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3872-266-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3872-268-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1852 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3872 csrss.exe 4820 injector.exe 976 windefender.exe 2184 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa14-240.dat upx behavioral2/memory/976-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2184-247-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2184-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2184-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 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 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 916 sc.exe -
Program crash 3 IoCs
pid pid_target Process procid_target 3292 2492 WerFault.exe 81 2188 3816 WerFault.exe 78 5084 4800 WerFault.exe 89 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4136 schtasks.exe 3360 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\26\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2492 powershell.exe 2492 powershell.exe 3816 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 3816 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 448 powershell.exe 448 powershell.exe 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 4644 powershell.exe 4644 powershell.exe 2744 powershell.exe 2744 powershell.exe 4412 powershell.exe 4412 powershell.exe 4728 powershell.exe 4728 powershell.exe 4952 powershell.exe 4952 powershell.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 3872 csrss.exe 3872 csrss.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 3872 csrss.exe 3872 csrss.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 3872 csrss.exe 3872 csrss.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2492 powershell.exe Token: SeDebugPrivilege 3816 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Token: SeImpersonatePrivilege 3816 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe Token: SeDebugPrivilege 448 powershell.exe Token: SeDebugPrivilege 4644 powershell.exe Token: SeDebugPrivilege 2744 powershell.exe Token: SeDebugPrivilege 4412 powershell.exe Token: SeDebugPrivilege 4728 powershell.exe Token: SeDebugPrivilege 4952 powershell.exe Token: SeSystemEnvironmentPrivilege 3872 csrss.exe Token: SeSecurityPrivilege 916 sc.exe Token: SeSecurityPrivilege 916 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3816 wrote to memory of 2492 3816 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 81 PID 3816 wrote to memory of 2492 3816 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 81 PID 3816 wrote to memory of 2492 3816 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 81 PID 4800 wrote to memory of 448 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 92 PID 4800 wrote to memory of 448 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 92 PID 4800 wrote to memory of 448 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 92 PID 4800 wrote to memory of 788 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 94 PID 4800 wrote to memory of 788 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 94 PID 788 wrote to memory of 1852 788 cmd.exe 96 PID 788 wrote to memory of 1852 788 cmd.exe 96 PID 4800 wrote to memory of 4644 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 97 PID 4800 wrote to memory of 4644 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 97 PID 4800 wrote to memory of 4644 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 97 PID 4800 wrote to memory of 2744 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 99 PID 4800 wrote to memory of 2744 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 99 PID 4800 wrote to memory of 2744 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 99 PID 4800 wrote to memory of 3872 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 101 PID 4800 wrote to memory of 3872 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 101 PID 4800 wrote to memory of 3872 4800 7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe 101 PID 3872 wrote to memory of 4412 3872 csrss.exe 104 PID 3872 wrote to memory of 4412 3872 csrss.exe 104 PID 3872 wrote to memory of 4412 3872 csrss.exe 104 PID 3872 wrote to memory of 4728 3872 csrss.exe 110 PID 3872 wrote to memory of 4728 3872 csrss.exe 110 PID 3872 wrote to memory of 4728 3872 csrss.exe 110 PID 3872 wrote to memory of 4952 3872 csrss.exe 112 PID 3872 wrote to memory of 4952 3872 csrss.exe 112 PID 3872 wrote to memory of 4952 3872 csrss.exe 112 PID 3872 wrote to memory of 4820 3872 csrss.exe 114 PID 3872 wrote to memory of 4820 3872 csrss.exe 114 PID 976 wrote to memory of 4200 976 windefender.exe 120 PID 976 wrote to memory of 4200 976 windefender.exe 120 PID 976 wrote to memory of 4200 976 windefender.exe 120 PID 4200 wrote to memory of 916 4200 cmd.exe 121 PID 4200 wrote to memory of 916 4200 cmd.exe 121 PID 4200 wrote to memory of 916 4200 cmd.exe 121 -
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\7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe"C:\Users\Admin\AppData\Local\Temp\7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3816 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2492 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 25803⤵
- Program crash
PID:3292
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C:\Users\Admin\AppData\Local\Temp\7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.exe"C:\Users\Admin\AppData\Local\Temp\7c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5.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:4800 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:448
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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:788 -
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:1852
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4644
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2744
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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:3872 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4412
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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:4136
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2344
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4728
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4952
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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:4820
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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:3360
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:976 -
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:4200 -
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:916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4800 -s 7883⤵
- Program crash
PID:5084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3816 -s 7282⤵
- Program crash
PID:2188
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2492 -ip 24921⤵PID:3720
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3816 -ip 38161⤵PID:244
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4800 -ip 48001⤵PID:3556
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2184
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
MD5fce8a0b7b3b787b6e14b6469516ef7b6
SHA16235f111ccaaf75cf075183375f548be0c3fcaf9
SHA2560d94a076babb139523b30736e614f28aa4bbec1259634e2501d96bc71dce165c
SHA5129026eb4ec2122e9f3b87a02b8c57c668cadebe60c092f48145e8da9489af98640f597a427c3ad63c8bbbd9b36f50f14d176dc916366a888cec5f839ff321fa28
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e36e81e81915fbe01d9bc6636275a50a
SHA1340471eaefd201e686cd8582a3839b1b2bb8ed48
SHA256c3a6bff426e79dd782f6438c0073d35f53593d500159fe2e62c02f2358fae4bf
SHA5127ea3262b38d7b983d6cc9fdd7a715297ff64ce7d22292834b325f0bd44abef443ed20f0a96525f27abaca698696e13c14ac2ec7bcf1442a1fe7927fa7262bc17
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50924f60adad51c0f727f54f0d258d7ba
SHA10c8054a888c17a5bfc70e8ec7181b982f9786884
SHA256d468906eee939ac250d4f1fb08fe823c7ff95269c963d40a103df6deb4359674
SHA5125ff71a8612a1831a307eb044c1ad8d6a288758938239cc059150e61398b9df201ff09518f9c9a699ed900fccd125a8fd2ca9ad061e07c4d3514300b211c614f8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cbc77e9df17ddda24d8db8340d89ad41
SHA1de612a6b1ed8ae3fa6d3ada1f03ec25e7a048f15
SHA25691995272b220c983d6dd7dbb084e6f086c78420c25931217a115c5b6adecf191
SHA51250d0913fdd22837ff7c2164c20f54f03fa1f3b13165efee3604ff576c45ab3585df6974ec9f5db5880886d392aec235e2740a788551cc6f14e3f81f6c6ab8000
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d67cc5619471c661372a1578c4f8aae1
SHA19c07314078eeb8ff802f07fde6af1ea6bceaa8c9
SHA256d033ddc1471f37680f8d4d333987f26b2271166116e6d43bb78e47109aeda4bc
SHA512b888737b556604783792bef5b069985040def268888ca83601258e8825a9c8e47a03da110a86a62d41688aa66f59fc22272d1828c59b994c66dd070206ea335a
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Filesize
4.2MB
MD5bc162161fbbacbb8e9cc0ad7601df247
SHA1732d1aa81ed81ffb8c64e824d1516ef73ba44183
SHA2567c0e1377b5a7c386f69b4e20bd83316457c5ba36607bb13016a0b76e782e57c5
SHA512c73d1fa6958e5c3cbffe21ee527411e12427b76e8e4dee3297dc552bdaecf91a39e1a000d941a0c3fac51f1b60b0217b7dc01494709ecd9d1fd67e37ecb4ea52
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec