Analysis
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max time kernel
150s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 15:33
Static task
static1
Behavioral task
behavioral1
Sample
108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe
Resource
win10v2004-20240508-en
General
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Target
108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe
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Size
4.1MB
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MD5
1db79bf5a905bd7fe0d6da7026d75b7b
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SHA1
de6073f281cd5551733de5b67a01444fa17f4cce
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SHA256
108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae
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SHA512
8913fc14ecba54ec668e7948264c700f0d70ee6cef23af63cce1dadbb4ddcfff86f91e74fcfcd951f3e36471e59fc68ab644ce1b7324532de141b86b063a375e
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SSDEEP
98304:wvzBhIm6zIE7SIO2RhCG9zRnSMmyRgCXxFQG9cM:GzBhDcIv8bCGbNmyXXxFQGyM
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/4556-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4556-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4556-75-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4556-73-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4724-137-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2028-196-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2028-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2028-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2028-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2028-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2028-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2028-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2028-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2028-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2028-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2028-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2028-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3872 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2028 csrss.exe 4280 injector.exe 1928 windefender.exe 864 windefender.exe -
resource yara_rule behavioral2/files/0x000700000002a8e2-205.dat upx behavioral2/memory/1928-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/864-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1928-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/864-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/864-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe File created C:\Windows\rss\csrss.exe 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.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 1004 sc.exe -
pid Process 1972 powershell.exe 3108 powershell.exe 1936 powershell.exe 4308 powershell.exe 4188 powershell.exe 5000 powershell.exe 3688 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 3696 schtasks.exe 2036 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.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\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe 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,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes 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\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem 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" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard 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,-2942 = "Sao Tome Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.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\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1972 powershell.exe 1972 powershell.exe 4556 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4556 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 3108 powershell.exe 3108 powershell.exe 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 1936 powershell.exe 1936 powershell.exe 4308 powershell.exe 4308 powershell.exe 4188 powershell.exe 4188 powershell.exe 5000 powershell.exe 5000 powershell.exe 3688 powershell.exe 3688 powershell.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 2028 csrss.exe 2028 csrss.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 2028 csrss.exe 2028 csrss.exe 4280 injector.exe 4280 injector.exe 2028 csrss.exe 2028 csrss.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1972 powershell.exe Token: SeDebugPrivilege 4556 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Token: SeImpersonatePrivilege 4556 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Token: SeDebugPrivilege 3108 powershell.exe Token: SeDebugPrivilege 1936 powershell.exe Token: SeDebugPrivilege 4308 powershell.exe Token: SeDebugPrivilege 4188 powershell.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeDebugPrivilege 3688 powershell.exe Token: SeSystemEnvironmentPrivilege 2028 csrss.exe Token: SeSecurityPrivilege 1004 sc.exe Token: SeSecurityPrivilege 1004 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4556 wrote to memory of 1972 4556 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 82 PID 4556 wrote to memory of 1972 4556 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 82 PID 4556 wrote to memory of 1972 4556 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 82 PID 4724 wrote to memory of 3108 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 87 PID 4724 wrote to memory of 3108 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 87 PID 4724 wrote to memory of 3108 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 87 PID 4724 wrote to memory of 4988 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 89 PID 4724 wrote to memory of 4988 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 89 PID 4988 wrote to memory of 3872 4988 cmd.exe 91 PID 4988 wrote to memory of 3872 4988 cmd.exe 91 PID 4724 wrote to memory of 1936 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 92 PID 4724 wrote to memory of 1936 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 92 PID 4724 wrote to memory of 1936 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 92 PID 4724 wrote to memory of 4308 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 94 PID 4724 wrote to memory of 4308 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 94 PID 4724 wrote to memory of 4308 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 94 PID 4724 wrote to memory of 2028 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 96 PID 4724 wrote to memory of 2028 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 96 PID 4724 wrote to memory of 2028 4724 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 96 PID 2028 wrote to memory of 4188 2028 csrss.exe 97 PID 2028 wrote to memory of 4188 2028 csrss.exe 97 PID 2028 wrote to memory of 4188 2028 csrss.exe 97 PID 2028 wrote to memory of 5000 2028 csrss.exe 103 PID 2028 wrote to memory of 5000 2028 csrss.exe 103 PID 2028 wrote to memory of 5000 2028 csrss.exe 103 PID 2028 wrote to memory of 3688 2028 csrss.exe 105 PID 2028 wrote to memory of 3688 2028 csrss.exe 105 PID 2028 wrote to memory of 3688 2028 csrss.exe 105 PID 2028 wrote to memory of 4280 2028 csrss.exe 107 PID 2028 wrote to memory of 4280 2028 csrss.exe 107 PID 1928 wrote to memory of 4260 1928 windefender.exe 119 PID 1928 wrote to memory of 4260 1928 windefender.exe 119 PID 1928 wrote to memory of 4260 1928 windefender.exe 119 PID 4260 wrote to memory of 1004 4260 cmd.exe 120 PID 4260 wrote to memory of 1004 4260 cmd.exe 120 PID 4260 wrote to memory of 1004 4260 cmd.exe 120 -
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\108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe"C:\Users\Admin\AppData\Local\Temp\108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4556 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1972
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C:\Users\Admin\AppData\Local\Temp\108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe"C:\Users\Admin\AppData\Local\Temp\108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.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:4724 -
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:3108
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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:4988 -
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:3872
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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:1936
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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:4308
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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:2028 -
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:4188
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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:3696
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5052
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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:5000
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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:3688
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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:4280
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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:2036
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1928 -
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:4260 -
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:1004
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:864
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
MD514879faa41be5259e6c71f93c3533a93
SHA1274ab5cc8b008ba9349a6375a30443d131d8c8f3
SHA25677e9c6b4c30b95e197688deb31b2bdd5c35158f228de6753ab28744dab3a9894
SHA5125d9b17e86468317c50ebab0a20b73fe967133ec54501c17d2873800cc1527be68e56f79548bea7725555f5b0447f8a17b15fef71315df30c9dfedeb33b9d6bea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59d4bc86560aae5dc641e6310e65ef91f
SHA16fa45d0ccda2ce7fc162233b0c0257e639063af7
SHA256d6931a9e1eb6a57a465d796c4ae0f328d94e1e271c5ae458228d13b3e2b6d094
SHA5125df1c165e36a5c4bd36c1eb3474558ccf8f490aa8157427ad208a95422cce83a8c969d49263e900e055fdddf79ae1c0d6b16996ec4e1c55a3dd6d996a19c7d65
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59fd544a4bb167182c5a7965e69bc33cf
SHA1b3e92e952af4add964ebb513999369f86c42d0f0
SHA25619db79f5519114b5290bcf18880a3fabeb10e96cf4fa29523a573d42c6d3c50d
SHA51243dd4834a81cd295b88b148da60390518a2c88264fce8d26a813c92d0a2298f4586a46e1cc4860eb2b618781105c13b970f1d93f781799bcd88bb6cab66068f3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD552e128262232fc49c6eb9e8d531ef3d7
SHA1825a20907094fd0298e62ffb8e224f7b2e8863d6
SHA2564ed9f27f35ee69ce8d7ba4d4331df69f2a989c189655393fb7ddb40a8946228b
SHA5120289ee2b20855728da5832c5e6978f12fd51eebf338aedf70a7a9ff946d5dece5614c2bdbb6bd0e3d3a60e428b9de3dae5e49323045e3ec5f7a01b8293dd92a5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d4e1c0d54402ca6130948d2a2db6f380
SHA114710ac47479e5fc32bcb3791dca0a8a359a86bc
SHA25640fb98a631dd4b2ad15f6652b7daec2bc29765aa4970d27c08e9cec9ff4d9fa9
SHA5127f551aea0bee100c535c7e853ee0cf6e58288e22a9297913fc78a62dde99b35720c75e9c7654fe8eeac9caf809f61b198b38bc0fa3b9068f66909827bd064078
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Filesize
4.1MB
MD51db79bf5a905bd7fe0d6da7026d75b7b
SHA1de6073f281cd5551733de5b67a01444fa17f4cce
SHA256108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae
SHA5128913fc14ecba54ec668e7948264c700f0d70ee6cef23af63cce1dadbb4ddcfff86f91e74fcfcd951f3e36471e59fc68ab644ce1b7324532de141b86b063a375e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec