Analysis
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max time kernel
150s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 07:15
Static task
static1
Behavioral task
behavioral1
Sample
5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe
Resource
win10v2004-20240426-en
General
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Target
5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe
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Size
4.1MB
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MD5
95216cfed85f63ae54764285270a9b2e
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SHA1
f11923834ef0e2d26777bc42517f978763da5249
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SHA256
5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99
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SHA512
89f0c4d2e66eabc445ba7d1dd096bbea86396522f9dbb920bf77aafa0b56d0ad73316d42e29a2e655b3fadfff3f90a9b659c405a6a51ef0e144711e628827362
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SSDEEP
98304:40IUXroYDzElV89sdV2qHm3LaKbYXl7F29tEHWEXgelgSAZWSyDiLS:jIU7SlV8K2X2AhEHFgekcN
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/4956-2-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral1/memory/4956-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4956-27-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4956-56-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral1/memory/4956-81-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4956-80-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2952-118-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2952-137-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3592-185-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3592-219-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3592-231-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3592-235-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3592-239-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3592-243-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3592-247-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3592-251-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3592-255-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3592-259-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3592-263-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3592-267-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3084 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3592 csrss.exe 1012 injector.exe 3028 windefender.exe 4292 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/3028-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4292-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3028-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4292-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4292-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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.
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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe -
Drops file in Windows directory 4 IoCs
Processes:
5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe File created C:\Windows\rss\csrss.exe 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 2772 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1840 powershell.exe 2632 powershell.exe 2516 powershell.exe 4620 powershell.exe 4700 powershell.exe 4708 powershell.exe 1212 powershell.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 4608 schtasks.exe 3528 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-1841 = "Russia TZ 4 Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.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,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.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\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exepowershell.exe5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1212 powershell.exe 1212 powershell.exe 4956 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 4956 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 1840 powershell.exe 1840 powershell.exe 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe 2632 powershell.exe 2632 powershell.exe 2516 powershell.exe 2516 powershell.exe 4620 powershell.exe 4620 powershell.exe 4700 powershell.exe 4700 powershell.exe 4708 powershell.exe 4708 powershell.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 3592 csrss.exe 3592 csrss.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 3592 csrss.exe 3592 csrss.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 3592 csrss.exe 3592 csrss.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe 1012 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1212 powershell.exe Token: SeDebugPrivilege 4956 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Token: SeImpersonatePrivilege 4956 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe Token: SeDebugPrivilege 1840 powershell.exe Token: SeDebugPrivilege 2632 powershell.exe Token: SeDebugPrivilege 2516 powershell.exe Token: SeDebugPrivilege 4620 powershell.exe Token: SeDebugPrivilege 4700 powershell.exe Token: SeDebugPrivilege 4708 powershell.exe Token: SeSystemEnvironmentPrivilege 3592 csrss.exe Token: SeSecurityPrivilege 2772 sc.exe Token: SeSecurityPrivilege 2772 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4956 wrote to memory of 1212 4956 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe powershell.exe PID 4956 wrote to memory of 1212 4956 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe powershell.exe PID 4956 wrote to memory of 1212 4956 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe powershell.exe PID 2952 wrote to memory of 1840 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe powershell.exe PID 2952 wrote to memory of 1840 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe powershell.exe PID 2952 wrote to memory of 1840 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe powershell.exe PID 2952 wrote to memory of 2456 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe cmd.exe PID 2952 wrote to memory of 2456 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe cmd.exe PID 2456 wrote to memory of 3084 2456 cmd.exe netsh.exe PID 2456 wrote to memory of 3084 2456 cmd.exe netsh.exe PID 2952 wrote to memory of 2632 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe powershell.exe PID 2952 wrote to memory of 2632 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe powershell.exe PID 2952 wrote to memory of 2632 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe powershell.exe PID 2952 wrote to memory of 2516 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe powershell.exe PID 2952 wrote to memory of 2516 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe powershell.exe PID 2952 wrote to memory of 2516 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe powershell.exe PID 2952 wrote to memory of 3592 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe csrss.exe PID 2952 wrote to memory of 3592 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe csrss.exe PID 2952 wrote to memory of 3592 2952 5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe csrss.exe PID 3592 wrote to memory of 4620 3592 csrss.exe powershell.exe PID 3592 wrote to memory of 4620 3592 csrss.exe powershell.exe PID 3592 wrote to memory of 4620 3592 csrss.exe powershell.exe PID 3592 wrote to memory of 4700 3592 csrss.exe powershell.exe PID 3592 wrote to memory of 4700 3592 csrss.exe powershell.exe PID 3592 wrote to memory of 4700 3592 csrss.exe powershell.exe PID 3592 wrote to memory of 4708 3592 csrss.exe powershell.exe PID 3592 wrote to memory of 4708 3592 csrss.exe powershell.exe PID 3592 wrote to memory of 4708 3592 csrss.exe powershell.exe PID 3592 wrote to memory of 1012 3592 csrss.exe injector.exe PID 3592 wrote to memory of 1012 3592 csrss.exe injector.exe PID 3028 wrote to memory of 3748 3028 windefender.exe cmd.exe PID 3028 wrote to memory of 3748 3028 windefender.exe cmd.exe PID 3028 wrote to memory of 3748 3028 windefender.exe cmd.exe PID 3748 wrote to memory of 2772 3748 cmd.exe sc.exe PID 3748 wrote to memory of 2772 3748 cmd.exe sc.exe PID 3748 wrote to memory of 2772 3748 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\5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe"C:\Users\Admin\AppData\Local\Temp\5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1212 -
C:\Users\Admin\AppData\Local\Temp\5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.exe"C:\Users\Admin\AppData\Local\Temp\5f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99.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:2952 -
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:1840 -
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:2456 -
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:3084 -
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:2632 -
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:2516 -
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:3592 -
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:4620 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4608 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1184
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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:4700 -
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:4708 -
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:1012 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3528 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3028 -
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:3748 -
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:2772
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4292
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
MD5495ba66498cb928dd6238b6cae5837ad
SHA1ce2558ba26c1c6e4e76f7b8dab686fb647b00934
SHA2566d966fb1484f4959adc99794f8fd991c53862944595a3ddc7f0231fd7b41fc4c
SHA512ac14a2490b4d1d0069187cde6236c7febf4d28e655da1827d12548fd33da863a3a84bb921a27a6b27ad328c95de43f6879fdc8aeaed23da04d6de681ee9ec2bc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD525579c2a288948abc78ad3acdc775ae1
SHA165ad10470ca5cb876c59bf1979d2c3edb38161a4
SHA2567ff1b6d30270a6ddd199f515cc7576b96cbeaf50fac9eedd58f59f2ea0be41c8
SHA512c877ca1934dcb1c13a414fcbaf24674ddcde2a125595a089eb52f67a2ba33d1bd70975b2d9c13eb1fe4a84c138138b4a52a355664b10c60148b221f92a1bed58
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD520b7844455e23d057044ff4e3d3dc265
SHA1e86beed1c5dc9549b2a479d315ee41c4e4e2f82d
SHA256653cdf79f5e27477e82b5fbef1990a45dd6720a678c75271436e01f0ca95cd95
SHA512ae8ffd6bc09796b5dfd01532997bdf4c2758bda3ea294b99f390ab08b495cb47f33b97b85da3b1783defb39833f4726cd08030bc42808f894aef96afa0eb14a6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD522f29691315d9f074552480e60747267
SHA10106b209e9fb82b72f2000ff4b339d528d38a487
SHA256a69daf8a9ee48ba8e20e00db67f4fbdec2ecd751da6e1d0b21a9a7ddbadc32e8
SHA512e3fe93610ef326668bc8ef54111fc5bc54accb0c003bd34937e04601994ee39a58d5ad0ceb2e6a25db4123353e2644eb43190af89a7e539d681ac2716924a72e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d108556662d30a6596970e3ec491ec24
SHA138ec4a66ca2577cc5e110fa253cb52b3b97acd70
SHA25670e4c5798eb9fbd6ad706d8a52941c03e4fbcdccbc65f5e9edf0f8ed06d44527
SHA512cca27bf464f00e5f60f1c186d7d350d47fb6988b2da9e4a831c49ddcf94f467efecc4d8c65ef3264fc2b8de4ff457e6fde0052405e7da9a152b70495bdbeb0d0
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Filesize
4.1MB
MD595216cfed85f63ae54764285270a9b2e
SHA1f11923834ef0e2d26777bc42517f978763da5249
SHA2565f2284fd3614eb1697c74af52e41bd0e72d9c50381e0eb2668c9467910552b99
SHA51289f0c4d2e66eabc445ba7d1dd096bbea86396522f9dbb920bf77aafa0b56d0ad73316d42e29a2e655b3fadfff3f90a9b659c405a6a51ef0e144711e628827362
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec