Analysis
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max time kernel
149s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-04-2024 15:20
Static task
static1
Behavioral task
behavioral1
Sample
029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe
Resource
win10v2004-20240412-en
General
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Target
029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe
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Size
4.2MB
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MD5
32f34de12ff0a772c4d7c319ed65b823
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SHA1
dee66ee06d8b6aa4d0fb42b82a823b76ae95ead3
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SHA256
029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890
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SHA512
4426123a1e0a2e262cc981828bc50861a11b9e8d09ae5b0868efd4132e795ad24a2b034affbb30054521e862ac959dd869d1c8b25f71369678dac11e00bee71a
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SSDEEP
98304:HyIUBtT3vGjRwVZEzEjsPLznWUK1X0T/YCy4x:SIUBxmMa1PLbWoT/vy6
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/5072-2-0x0000000005260000-0x0000000005B4B000-memory.dmp family_glupteba behavioral2/memory/5072-3-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/5072-51-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/5072-52-0x0000000005260000-0x0000000005B4B000-memory.dmp family_glupteba behavioral2/memory/1640-54-0x0000000005170000-0x0000000005A5B000-memory.dmp family_glupteba behavioral2/memory/1640-55-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1640-118-0x0000000003490000-0x0000000003890000-memory.dmp family_glupteba behavioral2/memory/1640-150-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3220-243-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3220-256-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3220-262-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3220-264-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3220-266-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3220-268-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3220-270-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3220-272-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3220-274-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3220-276-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3220-278-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3316 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3220 csrss.exe 4540 injector.exe 3860 windefender.exe 1668 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa24-255.dat upx behavioral2/memory/3860-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1668-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1668-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe -
Drops file in Windows directory 4 IoCs
description 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 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe File created C:\Windows\rss\csrss.exe 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3164 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4076 5072 WerFault.exe 78 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1592 schtasks.exe 4852 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\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,-452 = "Caucasus Standard Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.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\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard 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" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\26\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1548 powershell.exe 1548 powershell.exe 5072 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 5072 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 924 powershell.exe 924 powershell.exe 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 1972 powershell.exe 1972 powershell.exe 3336 powershell.exe 3336 powershell.exe 5064 powershell.exe 5064 powershell.exe 2068 powershell.exe 2068 powershell.exe 3228 powershell.exe 3228 powershell.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 3220 csrss.exe 3220 csrss.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 3220 csrss.exe 3220 csrss.exe 4540 injector.exe 4540 injector.exe 3220 csrss.exe 3220 csrss.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe 4540 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1548 powershell.exe Token: SeDebugPrivilege 5072 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Token: SeImpersonatePrivilege 5072 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe Token: SeDebugPrivilege 924 powershell.exe Token: SeDebugPrivilege 1972 powershell.exe Token: SeDebugPrivilege 3336 powershell.exe Token: SeDebugPrivilege 5064 powershell.exe Token: SeDebugPrivilege 2068 powershell.exe Token: SeDebugPrivilege 3228 powershell.exe Token: SeSystemEnvironmentPrivilege 3220 csrss.exe Token: SeSecurityPrivilege 3164 sc.exe Token: SeSecurityPrivilege 3164 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5072 wrote to memory of 1548 5072 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 81 PID 5072 wrote to memory of 1548 5072 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 81 PID 5072 wrote to memory of 1548 5072 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 81 PID 1640 wrote to memory of 924 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 89 PID 1640 wrote to memory of 924 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 89 PID 1640 wrote to memory of 924 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 89 PID 1640 wrote to memory of 1620 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 91 PID 1640 wrote to memory of 1620 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 91 PID 1620 wrote to memory of 3316 1620 cmd.exe 93 PID 1620 wrote to memory of 3316 1620 cmd.exe 93 PID 1640 wrote to memory of 1972 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 94 PID 1640 wrote to memory of 1972 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 94 PID 1640 wrote to memory of 1972 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 94 PID 1640 wrote to memory of 3336 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 96 PID 1640 wrote to memory of 3336 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 96 PID 1640 wrote to memory of 3336 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 96 PID 1640 wrote to memory of 3220 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 98 PID 1640 wrote to memory of 3220 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 98 PID 1640 wrote to memory of 3220 1640 029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe 98 PID 3220 wrote to memory of 5064 3220 csrss.exe 99 PID 3220 wrote to memory of 5064 3220 csrss.exe 99 PID 3220 wrote to memory of 5064 3220 csrss.exe 99 PID 3220 wrote to memory of 2068 3220 csrss.exe 105 PID 3220 wrote to memory of 2068 3220 csrss.exe 105 PID 3220 wrote to memory of 2068 3220 csrss.exe 105 PID 3220 wrote to memory of 3228 3220 csrss.exe 107 PID 3220 wrote to memory of 3228 3220 csrss.exe 107 PID 3220 wrote to memory of 3228 3220 csrss.exe 107 PID 3220 wrote to memory of 4540 3220 csrss.exe 109 PID 3220 wrote to memory of 4540 3220 csrss.exe 109 PID 3860 wrote to memory of 1068 3860 windefender.exe 115 PID 3860 wrote to memory of 1068 3860 windefender.exe 115 PID 3860 wrote to memory of 1068 3860 windefender.exe 115 PID 1068 wrote to memory of 3164 1068 cmd.exe 116 PID 1068 wrote to memory of 3164 1068 cmd.exe 116 PID 1068 wrote to memory of 3164 1068 cmd.exe 116 -
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\029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe"C:\Users\Admin\AppData\Local\Temp\029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5072 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1548
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C:\Users\Admin\AppData\Local\Temp\029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.exe"C:\Users\Admin\AppData\Local\Temp\029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890.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:1640 -
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:924
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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:1620 -
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:3316
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1972
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3336
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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:3220 -
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:5064
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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:1592
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3412
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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:2068
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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:3228
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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:4540
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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:4852
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3860 -
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:1068 -
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:3164
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 7122⤵
- Program crash
PID:4076
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5072 -ip 50721⤵PID:2880
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1668
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5929e2bd760c6ec2c29f2a4220021da91
SHA13c7afbc0ebec5c040bad1c6d477905119a0014c9
SHA256636b270312cce43856b6cf3f594d9901d7cbae7e64171a107d0e546f43128922
SHA51213a811a6e1d8d48c3169e751ea5b575d78da97c67f6d770b01d240ec4c731907b950fe56b476e5cb28cb40e3bcc7a0e2aab3afb1b5cd91be4b77323caed6112b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a2db5852c4c56bce2fc8485773fbf963
SHA1c3e20f8953f487abce670d8bd8f3747c42178500
SHA25656004538e96ab3a4c8b2787a3c561dc016adf648860b74131bd4399e6a429113
SHA51299c8a9b7242bbdba7c146a3def8fba4254bb2178e24a76d85fe836007c03f3829f9027a5d04a9468150c9f120ddc3c735fe1b909080fa8f4d914a53670b021ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53cc44a8a92af778c2b88ae8222eff9ae
SHA1ecafd4712d538c145671906507302bf5cc998d11
SHA256d59055e5be8dedeb0495901055f0e932ffff12df325f80ddb0c12c25dbc69c8b
SHA512c6a553b4e94b127fe6a556dd5fe633dea6e25f3aa0df3f72ae3b70dd97560e60fe8233d967c54a5bc9be0fc259bfb3cbf26a61fc7b6c7ce93ae2fa31266b2125
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b38c806e43d0b3966442372c90a44eb
SHA1cb7ccc78773ac17960a5efe1e9661716628c218b
SHA256e21ce43c1201d595050f8b23e4932732bbf16a7df5481b2cc998829e4ef2c156
SHA5126d5805fae8bc5f8396a5b69e003379d5683bb6b53dd5f96cbdd267611226177872e410e20d161435bcc24a3fd9e430b494f63fc82c27aa85c3a5d83fec821a28
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD541b4954f0ed45c6a0e541310717d0293
SHA1e6b4e0964d1fd83dbff5c91a423f52aa90b95f1e
SHA2567096bb0cf3f6ae580d8b90fa0e3f23abf794ddd2279d0e65c791af4d0bf6472b
SHA5129a91b4f5d25efa80d5e0478781dace0a9dfe7887693cb2fb85ee420d5d093cb2f5fc28cdb25598e85b10f7ba40bfb1f6a20ca695b378e4556a08b147178e311d
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Filesize
4.2MB
MD532f34de12ff0a772c4d7c319ed65b823
SHA1dee66ee06d8b6aa4d0fb42b82a823b76ae95ead3
SHA256029f66a6d4f7fa9f574b60c8e9f118d48c2e6c325ac7cc502468e1e50ce04890
SHA5124426123a1e0a2e262cc981828bc50861a11b9e8d09ae5b0868efd4132e795ad24a2b034affbb30054521e862ac959dd869d1c8b25f71369678dac11e00bee71a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec