Analysis
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max time kernel
150s -
max time network
123s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 12:53
Static task
static1
Behavioral task
behavioral1
Sample
ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe
Resource
win10v2004-20240426-en
General
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Target
ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe
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Size
4.1MB
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MD5
078c540c22ad2b6647a4423e7674352e
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SHA1
6a038ed56e11aae97cd0a9a1d39cf7e2028ca951
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SHA256
ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306
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SHA512
fdf74369a26a1ca0194945d9521c6504658e336e9065deade9b6fdf9c03b4f4fbc6e929be35d327bac337ba2b8f2b3d66ac54eff47f8d498b3b3389e456725dc
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SSDEEP
98304:nBVs1p4PpCxl89qkqVHLjfQjDTn2r+Nb/:Ba1p4P0l8MfVLMTr/
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4880-2-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral2/memory/4880-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4880-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4880-55-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral2/memory/4880-54-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4880-77-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2220-92-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2220-130-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4788-132-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4788-207-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4788-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4788-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4788-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4788-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4788-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4788-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4788-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4788-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4788-251-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4996 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4788 csrss.exe 4596 injector.exe 2356 windefender.exe 1092 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f5-212.dat upx behavioral2/memory/2356-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1092-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2356-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1092-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1092-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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 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 -
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 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.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 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 540 sc.exe -
pid Process 1016 powershell.exe 3404 powershell.exe 2112 powershell.exe 2084 powershell.exe 3552 powershell.exe 3240 powershell.exe 5024 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 4696 schtasks.exe 1920 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.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\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3552 powershell.exe 3552 powershell.exe 4880 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 4880 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 3240 powershell.exe 3240 powershell.exe 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 5024 powershell.exe 5024 powershell.exe 1016 powershell.exe 1016 powershell.exe 3404 powershell.exe 3404 powershell.exe 2112 powershell.exe 2112 powershell.exe 2084 powershell.exe 2084 powershell.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4788 csrss.exe 4788 csrss.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4788 csrss.exe 4788 csrss.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4788 csrss.exe 4788 csrss.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3552 powershell.exe Token: SeDebugPrivilege 4880 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Token: SeImpersonatePrivilege 4880 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe Token: SeDebugPrivilege 3240 powershell.exe Token: SeDebugPrivilege 5024 powershell.exe Token: SeDebugPrivilege 1016 powershell.exe Token: SeDebugPrivilege 3404 powershell.exe Token: SeDebugPrivilege 2112 powershell.exe Token: SeDebugPrivilege 2084 powershell.exe Token: SeSystemEnvironmentPrivilege 4788 csrss.exe Token: SeSecurityPrivilege 540 sc.exe Token: SeSecurityPrivilege 540 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4880 wrote to memory of 3552 4880 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 82 PID 4880 wrote to memory of 3552 4880 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 82 PID 4880 wrote to memory of 3552 4880 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 82 PID 2220 wrote to memory of 3240 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 87 PID 2220 wrote to memory of 3240 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 87 PID 2220 wrote to memory of 3240 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 87 PID 2220 wrote to memory of 2752 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 89 PID 2220 wrote to memory of 2752 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 89 PID 2752 wrote to memory of 4996 2752 cmd.exe 91 PID 2752 wrote to memory of 4996 2752 cmd.exe 91 PID 2220 wrote to memory of 5024 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 92 PID 2220 wrote to memory of 5024 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 92 PID 2220 wrote to memory of 5024 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 92 PID 2220 wrote to memory of 1016 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 94 PID 2220 wrote to memory of 1016 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 94 PID 2220 wrote to memory of 1016 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 94 PID 2220 wrote to memory of 4788 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 96 PID 2220 wrote to memory of 4788 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 96 PID 2220 wrote to memory of 4788 2220 ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe 96 PID 4788 wrote to memory of 3404 4788 csrss.exe 97 PID 4788 wrote to memory of 3404 4788 csrss.exe 97 PID 4788 wrote to memory of 3404 4788 csrss.exe 97 PID 4788 wrote to memory of 2112 4788 csrss.exe 102 PID 4788 wrote to memory of 2112 4788 csrss.exe 102 PID 4788 wrote to memory of 2112 4788 csrss.exe 102 PID 4788 wrote to memory of 2084 4788 csrss.exe 105 PID 4788 wrote to memory of 2084 4788 csrss.exe 105 PID 4788 wrote to memory of 2084 4788 csrss.exe 105 PID 4788 wrote to memory of 4596 4788 csrss.exe 107 PID 4788 wrote to memory of 4596 4788 csrss.exe 107 PID 2356 wrote to memory of 1048 2356 windefender.exe 113 PID 2356 wrote to memory of 1048 2356 windefender.exe 113 PID 2356 wrote to memory of 1048 2356 windefender.exe 113 PID 1048 wrote to memory of 540 1048 cmd.exe 114 PID 1048 wrote to memory of 540 1048 cmd.exe 114 PID 1048 wrote to memory of 540 1048 cmd.exe 114 -
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\ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe"C:\Users\Admin\AppData\Local\Temp\ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4880 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3552
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C:\Users\Admin\AppData\Local\Temp\ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.exe"C:\Users\Admin\AppData\Local\Temp\ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306.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:2220 -
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:3240
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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:2752 -
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:4996
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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:5024
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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:1016
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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:4788 -
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:3404
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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:4696
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2548
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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:2112
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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:2084
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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:4596
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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:1920
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2356 -
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:1048 -
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:540
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1092
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52312a00713056e7a3f81a246fcb26af2
SHA1fdc6ea77d131febec6a14a9807c2a5bc9095e9ac
SHA25631263e0b59e19a5006a2c35f77c47de3b4fc288be83cf166dbe0871359cae57d
SHA512283a78b50c0aeed44787cdfa665d2f65729dc73ee4e3305054a81fc4357898791577e4491bb0325878b46532fa70a9ed7516907159c36f75c1ba4311b4f72aa6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56cbfb162dcef40ceebf708e22f43080a
SHA1fe1ce5dba4d4595b975df6d57e86daaf2f633b8e
SHA2569434fac5f397f41074bef15526ed1d24083394e64c32415e603a5312fa8387c5
SHA5124a14f1b1378b1833dfad69a83c8fc246f3c72ea9fbca8887b982681ad7eb4db6782eb6b25572faf67380b584e84c365cf594a296570669d9504899c35802dd05
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD524270ce8b4c3c17341018d52934cfc65
SHA14990a591fca2786e40cef9445f77743b54ad850e
SHA256fd0bae3649c829c0d4a6f48fa42c4a2299ae2db3bf4520aa4969963e33d767ef
SHA51290a8b508823e399ef0a884fb1b2ab8161a09e165cabb1a53233b9374ec512bb51c7be4612bd5cce43c61ca95265d6d65565125de90ebc89fcbb55215bb762a1e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e65ce3726f5f7de311bcab46ddcd2aeb
SHA152dfd284f6c83e53a815e9f6a79dcb2e37d1450b
SHA256ca9464d2fe28b75ab3f78c7f66942040952a960e82e004dcca0e137a09bb23b7
SHA51241b64eecd3dd4e2bd3aea848d64c32223fc94911ecef83b4727165280892d2f76844e0d49a05443281ed78a449b1ca031d3620e389de2c2f9d35583744822952
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5470d8d0cb12643844f785c5f6b7eefe9
SHA174e749c835ed6e807c74b473106a57ba594ae275
SHA25631d5f81be6c2f35563fb47f5621b767faba684e43e5c7a99c9e7054d24f894e1
SHA512c08891b9e68af1a73408d6f96db1155a42a0a2f54bbab86ea12c922407bb837edae09a76409a8b7912e20194ff14ec740be76317ccec90480fb0f42a87b4c7f0
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Filesize
4.1MB
MD5078c540c22ad2b6647a4423e7674352e
SHA16a038ed56e11aae97cd0a9a1d39cf7e2028ca951
SHA256ce0ca9529bd1d07f21ab5c75776d72b39f030141c3122f480f0bbef02e9fa306
SHA512fdf74369a26a1ca0194945d9521c6504658e336e9065deade9b6fdf9c03b4f4fbc6e929be35d327bac337ba2b8f2b3d66ac54eff47f8d498b3b3389e456725dc
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec