Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15/05/2024, 08:25
Static task
static1
Behavioral task
behavioral1
Sample
eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe
Resource
win10v2004-20240508-en
General
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Target
eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe
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Size
4.1MB
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MD5
89159f8b7218024160b1c4ed42a5075d
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SHA1
51788cc15ce490c043c8ac2e57f3bd5e7cdce009
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SHA256
eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876
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SHA512
97d9b6125e45cac02f43503d3860ea8b6a866ee6900791a4dd8ba500680a54e1977af449e48170d15a23f6c126089a9ef0c820a93bdbbd3abaef5f5e336798c5
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SSDEEP
98304:yIVyjXsIbW7UmplIno5dB8XHvuGSg+hGr1F1ZJIAh92O18l1c:y4ybwISlGXyg+gFbJh2O6M
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4784-2-0x0000000004BC0000-0x00000000054AB000-memory.dmp family_glupteba behavioral1/memory/4784-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4784-28-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4784-58-0x0000000004BC0000-0x00000000054AB000-memory.dmp family_glupteba behavioral1/memory/4784-56-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4784-84-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1444-83-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1444-139-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4472-151-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4472-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4472-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4472-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4472-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4472-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4472-248-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4472-251-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4472-256-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4472-260-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4472-264-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3288 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4472 csrss.exe 1148 injector.exe 2160 windefender.exe 3736 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023424-225.dat upx behavioral1/memory/2160-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2160-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3736-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3736-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.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 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.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 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3600 sc.exe -
pid Process 2180 powershell.exe 4364 powershell.exe 4236 powershell.exe 4340 powershell.exe 464 powershell.exe 4084 powershell.exe 1068 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 4756 schtasks.exe 2084 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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,-272 = "Greenwich Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4236 powershell.exe 4236 powershell.exe 4784 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 4784 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 4340 powershell.exe 4340 powershell.exe 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 464 powershell.exe 464 powershell.exe 4084 powershell.exe 4084 powershell.exe 1068 powershell.exe 1068 powershell.exe 2180 powershell.exe 2180 powershell.exe 4364 powershell.exe 4364 powershell.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 4472 csrss.exe 4472 csrss.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 4472 csrss.exe 4472 csrss.exe 1148 injector.exe 1148 injector.exe 4472 csrss.exe 4472 csrss.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe 1148 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 4784 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Token: SeImpersonatePrivilege 4784 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe Token: SeDebugPrivilege 4340 powershell.exe Token: SeDebugPrivilege 464 powershell.exe Token: SeDebugPrivilege 4084 powershell.exe Token: SeDebugPrivilege 1068 powershell.exe Token: SeDebugPrivilege 2180 powershell.exe Token: SeDebugPrivilege 4364 powershell.exe Token: SeSystemEnvironmentPrivilege 4472 csrss.exe Token: SeSecurityPrivilege 3600 sc.exe Token: SeSecurityPrivilege 3600 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4784 wrote to memory of 4236 4784 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 85 PID 4784 wrote to memory of 4236 4784 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 85 PID 4784 wrote to memory of 4236 4784 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 85 PID 1444 wrote to memory of 4340 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 90 PID 1444 wrote to memory of 4340 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 90 PID 1444 wrote to memory of 4340 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 90 PID 1444 wrote to memory of 3756 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 92 PID 1444 wrote to memory of 3756 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 92 PID 3756 wrote to memory of 3288 3756 cmd.exe 94 PID 3756 wrote to memory of 3288 3756 cmd.exe 94 PID 1444 wrote to memory of 464 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 95 PID 1444 wrote to memory of 464 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 95 PID 1444 wrote to memory of 464 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 95 PID 1444 wrote to memory of 4084 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 98 PID 1444 wrote to memory of 4084 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 98 PID 1444 wrote to memory of 4084 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 98 PID 1444 wrote to memory of 4472 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 100 PID 1444 wrote to memory of 4472 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 100 PID 1444 wrote to memory of 4472 1444 eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe 100 PID 4472 wrote to memory of 1068 4472 csrss.exe 102 PID 4472 wrote to memory of 1068 4472 csrss.exe 102 PID 4472 wrote to memory of 1068 4472 csrss.exe 102 PID 4472 wrote to memory of 2180 4472 csrss.exe 107 PID 4472 wrote to memory of 2180 4472 csrss.exe 107 PID 4472 wrote to memory of 2180 4472 csrss.exe 107 PID 4472 wrote to memory of 4364 4472 csrss.exe 110 PID 4472 wrote to memory of 4364 4472 csrss.exe 110 PID 4472 wrote to memory of 4364 4472 csrss.exe 110 PID 4472 wrote to memory of 1148 4472 csrss.exe 112 PID 4472 wrote to memory of 1148 4472 csrss.exe 112 PID 2160 wrote to memory of 984 2160 windefender.exe 118 PID 2160 wrote to memory of 984 2160 windefender.exe 118 PID 2160 wrote to memory of 984 2160 windefender.exe 118 PID 984 wrote to memory of 3600 984 cmd.exe 119 PID 984 wrote to memory of 3600 984 cmd.exe 119 PID 984 wrote to memory of 3600 984 cmd.exe 119 -
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\eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe"C:\Users\Admin\AppData\Local\Temp\eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4784 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4236
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C:\Users\Admin\AppData\Local\Temp\eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.exe"C:\Users\Admin\AppData\Local\Temp\eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876.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:1444 -
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:4340
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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:3756 -
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:3288
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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:464
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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:4084
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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:4472 -
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:1068
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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:4756
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2420
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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:2180
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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:4364
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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:1148
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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:2084
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2160 -
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:984 -
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:3600
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3736
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
MD5ecad4cdb5846c2cd48821a1a888bd91c
SHA1ce4ed7deb7a550f6ab8dc78cb3747a144cf98b60
SHA2560d5b9ae4ed515f03e32f79c365f70bcad78f45e2023ff67021db0b34b07334fc
SHA5125437be8516518fda0b3a60c2d39e4b38dc6885e3b54bea28a22e9d7d9632f05283c427d6d18d2acfac70f84b0144b99cf5c16408a9b3163e3e4c24979f42c262
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57c0a74f75ed40d6b2026edcd9df44f6e
SHA1c71ccdbe954de0791969dcdfdf122f4102d60ec8
SHA256f369e9e8b4cdf1aec760b456088b0e763294cc19bf036de1bc8c646096430f16
SHA512adf95d518f13e6859364e9409f511c92ffe8d833eea92b4f92d3bf1a4d488c1acf164f0707a12d31efeb0802380e283215dcdbac253d363a0ee0ee1a8e8df389
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59689b1eb94e3242e148545f547e16c1f
SHA131b4d34fc07fdde5c3b4293df24356759813a6ad
SHA25606f88b8398c944bd6864738b4679318b906ad05f92efb74e14bedb2694ecb7cd
SHA5127a251b3d8fca47ca42cb6d471f185eca07314664be6897ba813e4a47c70b3506e1baeb4fce2ae69003dbf2765b9e2712b0c424a37351aa500e251111a5ff3d94
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5545b1016c6d698038b793bd24e132049
SHA1311070e5bcb3856bfaa77358204dd60e0a9990e7
SHA2560708392e9a680efa9df88b9b38a45ed47cfab3f68b182c8cc2012690ca0643a1
SHA5128ed4b9bacb7d81c2537d35f047257490530f289d364abf37eb1e361731401708924eaf4efac1781f6d9937b55720ebf1d1d4a7538a88723b026ea1f43d21a625
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c023c410d88fb66e844a4fcfbb9d16e6
SHA1409783ef3a08fbf113c9ed0f17277934f70d1cb8
SHA256b63258bbe647a4c52a200fd3591fb13c139af443387af039cac92e13a78c767c
SHA51257a396e2c13f9d5f000f299fccb29ddb0ae36fe95b5719eee9f85008c3c407fabf2b81ab7e61c53a7c531f1e3757459afc04c7775c4749e2dc5e6d5aecf3b937
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Filesize
4.1MB
MD589159f8b7218024160b1c4ed42a5075d
SHA151788cc15ce490c043c8ac2e57f3bd5e7cdce009
SHA256eef0cff47f820b4243ea3fead35451095b4c6d497eb0f897d7b812c699f5d876
SHA51297d9b6125e45cac02f43503d3860ea8b6a866ee6900791a4dd8ba500680a54e1977af449e48170d15a23f6c126089a9ef0c820a93bdbbd3abaef5f5e336798c5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec