Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
24-04-2024 16:32
Static task
static1
Behavioral task
behavioral1
Sample
599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe
Resource
win10v2004-20240412-en
General
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Target
599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe
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Size
4.1MB
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MD5
7c4bd9937c6d7feb773633119e28dbfa
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SHA1
27c08aa933b523d0daf97a50a4f9b5db7a8de33d
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SHA256
599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7
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SHA512
0d23ac543f6060d2795a77592cbdfa47493cd890c59709a6aeb9916aaea5ea33294f427411cb58351f9e9e88a8308156e687b4b89c45a1c4d19f5ed39747e75d
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SSDEEP
98304:dFddrpuoRE7tl1yJ8vae/QmLpm2XHwIZYQzHZc5g5rp30lCUV:nLdBQ1yJ8Sedm2XHUQNc5XgM
Malware Config
Signatures
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Glupteba payload 17 IoCs
Processes:
resource yara_rule behavioral1/memory/4932-2-0x0000000006640000-0x0000000006F2B000-memory.dmp family_glupteba behavioral1/memory/4932-80-0x0000000006640000-0x0000000006F2B000-memory.dmp family_glupteba behavioral1/memory/3984-149-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/4932-153-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2668-250-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2668-259-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2668-262-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2668-265-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2668-268-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2668-271-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2668-274-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2668-277-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2668-280-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2668-283-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2668-285-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2668-288-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2668-292-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2256 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 2668 csrss.exe 3556 injector.exe 1792 windefender.exe 3748 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/1792-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3748-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3748-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3748-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exe599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process 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 File created 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.
Processes:
599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exedescription ioc process 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 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe File created C:\Windows\rss\csrss.exe 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 432 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 4476 schtasks.exe 3980 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exe599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\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,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\26\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.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" 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-401 = "Arabic Daylight 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,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exepowershell.exe599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 3432 powershell.exe 3432 powershell.exe 4932 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe 4932 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe 1728 powershell.exe 1728 powershell.exe 1728 powershell.exe 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe 2348 powershell.exe 2348 powershell.exe 2348 powershell.exe 1676 powershell.exe 1676 powershell.exe 1676 powershell.exe 4812 powershell.exe 4812 powershell.exe 4812 powershell.exe 3152 powershell.exe 3152 powershell.exe 3152 powershell.exe 3592 powershell.exe 3592 powershell.exe 3592 powershell.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 2668 csrss.exe 2668 csrss.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 2668 csrss.exe 2668 csrss.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 2668 csrss.exe 2668 csrss.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe 3556 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 3432 powershell.exe Token: SeDebugPrivilege 4932 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Token: SeImpersonatePrivilege 4932 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe Token: SeDebugPrivilege 1728 powershell.exe Token: SeDebugPrivilege 2348 powershell.exe Token: SeDebugPrivilege 1676 powershell.exe Token: SeDebugPrivilege 4812 powershell.exe Token: SeDebugPrivilege 3152 powershell.exe Token: SeDebugPrivilege 3592 powershell.exe Token: SeSystemEnvironmentPrivilege 2668 csrss.exe Token: SeSecurityPrivilege 432 sc.exe Token: SeSecurityPrivilege 432 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4932 wrote to memory of 3432 4932 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe powershell.exe PID 4932 wrote to memory of 3432 4932 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe powershell.exe PID 4932 wrote to memory of 3432 4932 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe powershell.exe PID 3984 wrote to memory of 1728 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe powershell.exe PID 3984 wrote to memory of 1728 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe powershell.exe PID 3984 wrote to memory of 1728 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe powershell.exe PID 3984 wrote to memory of 1544 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe cmd.exe PID 3984 wrote to memory of 1544 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe cmd.exe PID 1544 wrote to memory of 2256 1544 cmd.exe netsh.exe PID 1544 wrote to memory of 2256 1544 cmd.exe netsh.exe PID 3984 wrote to memory of 2348 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe powershell.exe PID 3984 wrote to memory of 2348 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe powershell.exe PID 3984 wrote to memory of 2348 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe powershell.exe PID 3984 wrote to memory of 1676 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe powershell.exe PID 3984 wrote to memory of 1676 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe powershell.exe PID 3984 wrote to memory of 1676 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe powershell.exe PID 3984 wrote to memory of 2668 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe csrss.exe PID 3984 wrote to memory of 2668 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe csrss.exe PID 3984 wrote to memory of 2668 3984 599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe csrss.exe PID 2668 wrote to memory of 4812 2668 csrss.exe powershell.exe PID 2668 wrote to memory of 4812 2668 csrss.exe powershell.exe PID 2668 wrote to memory of 4812 2668 csrss.exe powershell.exe PID 2668 wrote to memory of 3152 2668 csrss.exe powershell.exe PID 2668 wrote to memory of 3152 2668 csrss.exe powershell.exe PID 2668 wrote to memory of 3152 2668 csrss.exe powershell.exe PID 2668 wrote to memory of 3592 2668 csrss.exe powershell.exe PID 2668 wrote to memory of 3592 2668 csrss.exe powershell.exe PID 2668 wrote to memory of 3592 2668 csrss.exe powershell.exe PID 2668 wrote to memory of 3556 2668 csrss.exe injector.exe PID 2668 wrote to memory of 3556 2668 csrss.exe injector.exe PID 1792 wrote to memory of 3588 1792 windefender.exe cmd.exe PID 1792 wrote to memory of 3588 1792 windefender.exe cmd.exe PID 1792 wrote to memory of 3588 1792 windefender.exe cmd.exe PID 3588 wrote to memory of 432 3588 cmd.exe sc.exe PID 3588 wrote to memory of 432 3588 cmd.exe sc.exe PID 3588 wrote to memory of 432 3588 cmd.exe sc.exe -
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\599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe"C:\Users\Admin\AppData\Local\Temp\599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3432 -
C:\Users\Admin\AppData\Local\Temp\599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.exe"C:\Users\Admin\AppData\Local\Temp\599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7.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:3984 -
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:1728 -
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:1544 -
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:2256 -
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:2348 -
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:1676 -
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:2668 -
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:4812 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4476 -
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:3152 -
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:3592 -
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:3556 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3980 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1792 -
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:3588 -
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:432
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3748
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
MD5c08542b03ba84da1d3cdb924d02259ab
SHA1b31b6a0356b24ae19a6f6d944181d9ed539c2302
SHA256e447d933358c0006171bcdc5c624891cc01f073913290a1fd11a67a3d0f45579
SHA512cfb942477a23946acefc0bfd409774545bff1b641271719a02a2ff84cd443d147c2b1580e8585052b5ca640bfc1ca1766c3799aaf82da7d317f5d8ef3f3dd93e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD568965c8f0ada4081c6204f6c0d347a60
SHA17bc1933147a3d41834804ff8a627f3d841e853c1
SHA256b78ac56b5b345b461180ec8024673085bf0a2756bab41428bb861da9f91c84d0
SHA5129228c4ed7299d36c792e18c443d2e5f4890e6754714e87ab76353501e6d30c4753072fe00e5b71d2899c5aa3aab65fca47b7b0955c8c675bf7fff7777b6c1eb9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5840fc7efaa29df01690c7c13b414adb1
SHA1ff4bb8557b3c6db0fab9605c22295ba7586af5e8
SHA256b53ddda5a353fecededa525f7cd0bc6c14761529df0782b8e9972f062b8920a7
SHA51253405ec1fe8f8adba54b0adf55cbbdfb4bd55c5f401e6f7e2f849a73ce363539f4415197e4afbbb628993ea40649d24b39a70ee5d04fc162b1307380821c9941
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50faf6b44d6d382f3d80c87ac52cd432a
SHA163937ceb374d582c610790de1d4254d301501ffe
SHA25698ff09f47b1a1ffae6e01468effc59e6ba2d5c632083394f0c6384368e52b134
SHA512c158a2c960755d34a5e3897ca2a40f8f3311452bf1bc844c461de691c4ed7ff767c5b56bc5f93d165f9e864d77a884150d6156736bc6a6d272bf072ab30371c9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579834c493b222722b9682e653c225851
SHA10a27532cf4ae67b671bb66d15e39cb6e35fa0920
SHA256d3ab45c15c5f4fc5e3f88849d3cabb4342f61270f2a0882870ef76d79b06d384
SHA512720358f9e3418253beafda8a8441e1cd11ed48bb0b079abb80237f2a6ec5b93826c909da788b82aa192c9798c9d2db95e0ebcabb4b08edcb11b3b4e9ce8d2665
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Filesize
4.1MB
MD57c4bd9937c6d7feb773633119e28dbfa
SHA127c08aa933b523d0daf97a50a4f9b5db7a8de33d
SHA256599a417e174f832cfa4a8485aad7bb61e482499ba15d1b4a534c7ddb36b783e7
SHA5120d23ac543f6060d2795a77592cbdfa47493cd890c59709a6aeb9916aaea5ea33294f427411cb58351f9e9e88a8308156e687b4b89c45a1c4d19f5ed39747e75d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec