Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
22-04-2024 15:06
Static task
static1
Behavioral task
behavioral1
Sample
15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral2
Sample
15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe
Resource
win11-20240412-en
General
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Target
15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe
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Size
4.2MB
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MD5
9649f6f868bed5e94efcbc808afc962d
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SHA1
8863e6ec1a2791f580c5d3e6f3f6e4a961908743
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SHA256
15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271
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SHA512
ede10fbbdcd7dc161c7a13f5aa0dabae664c96e8e1f3abbdbbd0733ae4186e2a65536e059757ea77ec07348fd7d81e7b4bd788cb32fcc53b41c5b40a81a0ad6e
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SSDEEP
98304:emG+ILlmwFOXti2i4yafdSAta9/r6eiiYAoaUebjXDBdI:DV62/i4yafdST/r6FFcTBdI
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3264-2-0x0000000005140000-0x0000000005A2B000-memory.dmp family_glupteba behavioral1/memory/3264-3-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3264-53-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3264-55-0x0000000005140000-0x0000000005A2B000-memory.dmp family_glupteba behavioral1/memory/1560-58-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1560-103-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1560-144-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1560-155-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4980-220-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4980-257-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4980-260-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4980-269-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4980-272-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4980-276-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4980-280-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4980-284-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4980-288-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4980-292-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4980-296-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba -
Blocklisted process makes network request 1 IoCs
flow pid Process 34 1672 Process not Found -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3000 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4980 csrss.exe 3180 injector.exe 1624 windefender.exe 2416 windefender.exe -
resource yara_rule behavioral1/files/0x000a000000023345-263.dat upx behavioral1/memory/1624-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2416-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2416-281-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2416-293-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.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 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1564 sc.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 1816 schtasks.exe 3964 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.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,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.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,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "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\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic 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\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4124 powershell.exe 4124 powershell.exe 4124 powershell.exe 3264 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 3264 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 1668 powershell.exe 1668 powershell.exe 1668 powershell.exe 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 3284 powershell.exe 3284 powershell.exe 3284 powershell.exe 2076 powershell.exe 2076 powershell.exe 2076 powershell.exe 3124 powershell.exe 3124 powershell.exe 3124 powershell.exe 5024 powershell.exe 5024 powershell.exe 5024 powershell.exe 1120 powershell.exe 1120 powershell.exe 1120 powershell.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 4980 csrss.exe 4980 csrss.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 4980 csrss.exe 4980 csrss.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4124 powershell.exe Token: SeDebugPrivilege 3264 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Token: SeImpersonatePrivilege 3264 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe Token: SeDebugPrivilege 1668 powershell.exe Token: SeDebugPrivilege 3284 powershell.exe Token: SeDebugPrivilege 2076 powershell.exe Token: SeDebugPrivilege 3124 powershell.exe Token: SeDebugPrivilege 5024 powershell.exe Token: SeDebugPrivilege 1120 powershell.exe Token: SeSystemEnvironmentPrivilege 4980 csrss.exe Token: SeSecurityPrivilege 1564 sc.exe Token: SeSecurityPrivilege 1564 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3264 wrote to memory of 4124 3264 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 92 PID 3264 wrote to memory of 4124 3264 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 92 PID 3264 wrote to memory of 4124 3264 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 92 PID 1560 wrote to memory of 1668 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 100 PID 1560 wrote to memory of 1668 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 100 PID 1560 wrote to memory of 1668 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 100 PID 1560 wrote to memory of 4852 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 102 PID 1560 wrote to memory of 4852 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 102 PID 4852 wrote to memory of 3000 4852 cmd.exe 104 PID 4852 wrote to memory of 3000 4852 cmd.exe 104 PID 1560 wrote to memory of 3284 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 105 PID 1560 wrote to memory of 3284 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 105 PID 1560 wrote to memory of 3284 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 105 PID 1560 wrote to memory of 2076 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 107 PID 1560 wrote to memory of 2076 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 107 PID 1560 wrote to memory of 2076 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 107 PID 1560 wrote to memory of 4980 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 109 PID 1560 wrote to memory of 4980 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 109 PID 1560 wrote to memory of 4980 1560 15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe 109 PID 4980 wrote to memory of 3124 4980 csrss.exe 112 PID 4980 wrote to memory of 3124 4980 csrss.exe 112 PID 4980 wrote to memory of 3124 4980 csrss.exe 112 PID 4980 wrote to memory of 5024 4980 csrss.exe 118 PID 4980 wrote to memory of 5024 4980 csrss.exe 118 PID 4980 wrote to memory of 5024 4980 csrss.exe 118 PID 4980 wrote to memory of 1120 4980 csrss.exe 120 PID 4980 wrote to memory of 1120 4980 csrss.exe 120 PID 4980 wrote to memory of 1120 4980 csrss.exe 120 PID 4980 wrote to memory of 3180 4980 csrss.exe 122 PID 4980 wrote to memory of 3180 4980 csrss.exe 122 PID 1624 wrote to memory of 1672 1624 windefender.exe 133 PID 1624 wrote to memory of 1672 1624 windefender.exe 133 PID 1624 wrote to memory of 1672 1624 windefender.exe 133 PID 1672 wrote to memory of 1564 1672 cmd.exe 134 PID 1672 wrote to memory of 1564 1672 cmd.exe 134 PID 1672 wrote to memory of 1564 1672 cmd.exe 134 -
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\15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe"C:\Users\Admin\AppData\Local\Temp\15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3264 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4124
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C:\Users\Admin\AppData\Local\Temp\15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.exe"C:\Users\Admin\AppData\Local\Temp\15f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271.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:1560 -
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:1668
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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:4852 -
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:3000
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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:3284
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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:2076
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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:4980 -
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:3124
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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:1816
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4608
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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:5024
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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:1120
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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:3180
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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:3964
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1624 -
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:1672 -
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:1564
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2416
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c73883ace2aea9d957da25c16ea880cc
SHA149b8f47387b3af2e0592a6f6251800e1b6898967
SHA256fa90a5f0e40e47f7812c5975aec5bc219f0dc204fcadf734bc2e95de65ed607e
SHA512e86d30a25baf9f046d536ad0778731dd85155e2a42512c099a4ae25cfabbf5b61adb10f61971305c7b6e5fcddcb6042bfec617681ef14c50dc0af77a47cce61f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bbbb5accd9348d635d7853823cc54d2a
SHA18594bc0116f0495a23821f0b49080ddf387f3959
SHA256262b7c3e816517128d5a55a0ecd423b9eb5afdb2b4b1e2c4de410f2b77ddf3bb
SHA5122bf954601a2276331066f8f50bc02446ce4d031a64a63e813d2941fc7cba709bfa6c9f79f2051783cf27b4435e2b6fa0f00ddf9ee65c32bcc19bf335acf80018
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b4fed86d9768d669b00b7e742c23cb82
SHA1f8b3e4ec9114888b99d7f1273bca2dee5422479f
SHA2561f63ffbfa25582c0ace02f6a9a8f304e147dec5a269498f16d821c85a1ef1e7c
SHA512235b3d10c520292a330da1d8b629f7dbf3748a8d73ce3f3a8cb51430a4851b5ca283ecb0e51b43a88e2c0e7f1d8829504fbe476b421ccc4070ca2fb3c5c5cf00
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a5a75cc96688352a79c5f26c273a57ec
SHA12b2ff627287137e0565316fbc406677938e59b85
SHA25640faf9727f9a1cb90bca19cc59691c09187b8f96ee2621473ed90ed09d938bf9
SHA512ef4f99468706a2292c1cdc92b906970e1ac181576b204604f4ee4674c962f0c3910cebc098f2e43fa7b1c500abc99d2a9ee3f4da16d8c480c909bc289da17045
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f7d8dd52750d0a4c02c712f85042d85
SHA16407d59abdc17e64ab63c79e3bc140f663a8aca6
SHA256e15aec9ccc098cab2b085b82fc67c82b6c6f916c6429cd0242e11bc060807e34
SHA5128e7f1cd24f0c63b94f62906a36988bf31731643f186528fb8be834a45678df8f20c1ff241919836cdfa16ee8833f3ac79a6246cedd7bafc305cfc273fc644d02
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Filesize
4.2MB
MD59649f6f868bed5e94efcbc808afc962d
SHA18863e6ec1a2791f580c5d3e6f3f6e4a961908743
SHA25615f2f059a54a112bd21a1c140047ccb926c7d3f9b90529d3a1a90aa18ea0d271
SHA512ede10fbbdcd7dc161c7a13f5aa0dabae664c96e8e1f3abbdbbd0733ae4186e2a65536e059757ea77ec07348fd7d81e7b4bd788cb32fcc53b41c5b40a81a0ad6e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec