Analysis
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max time kernel
155s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
11-03-2024 07:23
Static task
static1
Behavioral task
behavioral1
Sample
89dbbd2f1461d68ee434f6892130a1b1.exe
Resource
win7-20240221-en
General
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Target
89dbbd2f1461d68ee434f6892130a1b1.exe
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Size
4.2MB
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MD5
89dbbd2f1461d68ee434f6892130a1b1
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SHA1
4e145e27f03fc19db5d148587fd58edabc5f05fd
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SHA256
b79c2d817b0ced7a0f16ebbb1a91defae311debe95bf3e54b8194003bb9985c5
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SHA512
32d909207414d3a2c92d1b856b24261ba5cfa9ac290a1ef32982684b788cc12aef480549a769118a59f6f14c5bcc6d862b61d4d9ab622ee7d16b9549ad865d08
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SSDEEP
98304:teW8UzsHIbLf9dWRHWVRhdNR5S1sJRNc/DhpLv/dFcsAkZ5z:q0L1dWRH6Rb9w/n3rVAkT
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2392-2-0x0000000003F90000-0x000000000487B000-memory.dmp family_glupteba behavioral2/memory/2392-3-0x0000000000400000-0x0000000001E17000-memory.dmp family_glupteba behavioral2/memory/2392-4-0x0000000000400000-0x0000000001E17000-memory.dmp family_glupteba behavioral2/memory/2392-21-0x0000000003F90000-0x000000000487B000-memory.dmp family_glupteba behavioral2/memory/2392-50-0x0000000000400000-0x0000000001E17000-memory.dmp family_glupteba behavioral2/memory/2392-60-0x0000000000400000-0x0000000001E17000-memory.dmp family_glupteba behavioral2/memory/2400-63-0x0000000000400000-0x0000000001E17000-memory.dmp family_glupteba behavioral2/memory/2400-97-0x0000000000400000-0x0000000001E17000-memory.dmp family_glupteba behavioral2/memory/2400-164-0x0000000000400000-0x0000000001E17000-memory.dmp family_glupteba behavioral2/memory/796-232-0x0000000000400000-0x0000000001E17000-memory.dmp family_glupteba behavioral2/memory/796-271-0x0000000000400000-0x0000000001E17000-memory.dmp family_glupteba behavioral2/memory/796-280-0x0000000000400000-0x0000000001E17000-memory.dmp family_glupteba behavioral2/memory/796-282-0x0000000000400000-0x0000000001E17000-memory.dmp family_glupteba behavioral2/memory/796-284-0x0000000000400000-0x0000000001E17000-memory.dmp family_glupteba behavioral2/memory/796-286-0x0000000000400000-0x0000000001E17000-memory.dmp family_glupteba behavioral2/memory/796-288-0x0000000000400000-0x0000000001E17000-memory.dmp family_glupteba behavioral2/memory/796-290-0x0000000000400000-0x0000000001E17000-memory.dmp family_glupteba behavioral2/memory/796-292-0x0000000000400000-0x0000000001E17000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2912 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 796 csrss.exe 3624 injector.exe 3168 windefender.exe 3344 windefender.exe -
resource yara_rule behavioral2/files/0x0009000000023281-274.dat upx behavioral2/files/0x0009000000023281-275.dat upx behavioral2/files/0x0009000000023281-277.dat upx behavioral2/memory/3168-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3344-281-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3344-285-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 89dbbd2f1461d68ee434f6892130a1b1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 89dbbd2f1461d68ee434f6892130a1b1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 89dbbd2f1461d68ee434f6892130a1b1.exe File created C:\Windows\rss\csrss.exe 89dbbd2f1461d68ee434f6892130a1b1.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.
pid Process 4288 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2680 2400 WerFault.exe 111 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1688 schtasks.exe 212 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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\22\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 89dbbd2f1461d68ee434f6892130a1b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 89dbbd2f1461d68ee434f6892130a1b1.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 89dbbd2f1461d68ee434f6892130a1b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4312 powershell.exe 4312 powershell.exe 4312 powershell.exe 2392 89dbbd2f1461d68ee434f6892130a1b1.exe 2392 89dbbd2f1461d68ee434f6892130a1b1.exe 3204 powershell.exe 3204 powershell.exe 3204 powershell.exe 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 4524 powershell.exe 4524 powershell.exe 4524 powershell.exe 2104 powershell.exe 2104 powershell.exe 2104 powershell.exe 1520 powershell.exe 1520 powershell.exe 1520 powershell.exe 964 powershell.exe 964 powershell.exe 964 powershell.exe 3576 powershell.exe 3576 powershell.exe 3576 powershell.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 796 csrss.exe 796 csrss.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 796 csrss.exe 796 csrss.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 796 csrss.exe 796 csrss.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4312 powershell.exe Token: SeDebugPrivilege 2392 89dbbd2f1461d68ee434f6892130a1b1.exe Token: SeImpersonatePrivilege 2392 89dbbd2f1461d68ee434f6892130a1b1.exe Token: SeDebugPrivilege 3204 powershell.exe Token: SeDebugPrivilege 4524 powershell.exe Token: SeDebugPrivilege 2104 powershell.exe Token: SeDebugPrivilege 1520 powershell.exe Token: SeDebugPrivilege 964 powershell.exe Token: SeDebugPrivilege 3576 powershell.exe Token: SeSystemEnvironmentPrivilege 796 csrss.exe Token: SeSecurityPrivilege 4288 sc.exe Token: SeSecurityPrivilege 4288 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2392 wrote to memory of 4312 2392 89dbbd2f1461d68ee434f6892130a1b1.exe 101 PID 2392 wrote to memory of 4312 2392 89dbbd2f1461d68ee434f6892130a1b1.exe 101 PID 2392 wrote to memory of 4312 2392 89dbbd2f1461d68ee434f6892130a1b1.exe 101 PID 2400 wrote to memory of 3204 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 112 PID 2400 wrote to memory of 3204 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 112 PID 2400 wrote to memory of 3204 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 112 PID 2400 wrote to memory of 2072 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 116 PID 2400 wrote to memory of 2072 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 116 PID 2072 wrote to memory of 2912 2072 cmd.exe 124 PID 2072 wrote to memory of 2912 2072 cmd.exe 124 PID 2400 wrote to memory of 4524 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 119 PID 2400 wrote to memory of 4524 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 119 PID 2400 wrote to memory of 4524 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 119 PID 2400 wrote to memory of 2104 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 121 PID 2400 wrote to memory of 2104 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 121 PID 2400 wrote to memory of 2104 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 121 PID 2400 wrote to memory of 796 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 123 PID 2400 wrote to memory of 796 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 123 PID 2400 wrote to memory of 796 2400 89dbbd2f1461d68ee434f6892130a1b1.exe 123 PID 796 wrote to memory of 1520 796 csrss.exe 125 PID 796 wrote to memory of 1520 796 csrss.exe 125 PID 796 wrote to memory of 1520 796 csrss.exe 125 PID 796 wrote to memory of 964 796 csrss.exe 130 PID 796 wrote to memory of 964 796 csrss.exe 130 PID 796 wrote to memory of 964 796 csrss.exe 130 PID 796 wrote to memory of 3576 796 csrss.exe 134 PID 796 wrote to memory of 3576 796 csrss.exe 134 PID 796 wrote to memory of 3576 796 csrss.exe 134 PID 796 wrote to memory of 3624 796 csrss.exe 136 PID 796 wrote to memory of 3624 796 csrss.exe 136 PID 3168 wrote to memory of 4708 3168 windefender.exe 143 PID 3168 wrote to memory of 4708 3168 windefender.exe 143 PID 3168 wrote to memory of 4708 3168 windefender.exe 143 PID 4708 wrote to memory of 4288 4708 cmd.exe 144 PID 4708 wrote to memory of 4288 4708 cmd.exe 144 PID 4708 wrote to memory of 4288 4708 cmd.exe 144 -
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\89dbbd2f1461d68ee434f6892130a1b1.exe"C:\Users\Admin\AppData\Local\Temp\89dbbd2f1461d68ee434f6892130a1b1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4312
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C:\Users\Admin\AppData\Local\Temp\89dbbd2f1461d68ee434f6892130a1b1.exe"C:\Users\Admin\AppData\Local\Temp\89dbbd2f1461d68ee434f6892130a1b1.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:2400 -
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:3204
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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:2072 -
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:2912
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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:4524
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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:2104
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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:796 -
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:1520
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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:1688
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3544
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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:964
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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:3576
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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:3624
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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:212
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3168 -
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:4708 -
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:4288
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 8523⤵
- Program crash
PID:2680
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3704 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:81⤵PID:2316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 2400 -ip 24001⤵PID:2912
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3344
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
MD5a678d00ab58a18d3f8242e171066e93a
SHA13fc9bb37685d4a57b12271ceb04b55b8982cc110
SHA25637e1641f1543732be310046aaad4a3ba8e1b9725a1e132bfed03d0f67bae26b3
SHA512810853b78d8fa2225f5366038a2cb4481f022befd140dbc48c2b37c525aaa519d19190318f556bfa3cadfd1a8644d9c0713486ea0622dc707aa57fa89af58a27
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD596f0fc1144d6012ddce6598215bcf5cf
SHA1779b59f91b9a2f98c4c5410606c33ae6d06fb446
SHA256d42e61553678808b26676dbfaabae5a4fcb55872ea219a11c1c72658843896b9
SHA5123cbccbf5d38b02c27e2a3b0f659ff252035cf4462cfd65ecc7864da5b7038bac741db75af0cc0e65b94509a68414aff2eef8510f9ec24425cc3294dcc541bf98
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9df4e53b78ff66c27d17db1066b82c4
SHA11757b5070c4ba1967cee9bbbf176fb57a7076546
SHA25610cba80c79331b80e2e9e4e07f6492916126d068d1a5c3cf782343bedc9dbd93
SHA512bbc4f835f110c5208fae01eed07dfd59a33bc30923864d83a8c2a0143782d4892c780e9f4534f4023abfb8dcbb236c9adf728276ae5ea3a8d5f2198d10be79d9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55539a027e4280e533095b8966be04f15
SHA170fad98afb730c85c5b16dba3d6c9433d49a6cb9
SHA2565d7f9268769f6edd48a8f7d1df4bbbe32f96b25922092e0a9eadb9d3588a7158
SHA5126416eaaf7decd376f15882776bbe508d7b5a09ed7a9224f2dfa2a223567376417d3bbbf5874e08a0926acebe592b866177e5019fd19d4a2a5b67bb383e545631
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD578229ebd57312191bc0d9a58a0bf38f7
SHA1c706d57d14fd0a17e6c415c959ba903e1a885ed0
SHA256995e807dc2701a84795fb5a5b8d9b7688440ac1865f9c4f1f0daaa6b2eb5a9fb
SHA512582e506198ac2007ee29d62987e6898b530437dc0de657e3602bae7bd554c9c45765f9814680bbd5471e7716e7b9c7ce5d2a89a905596c4d26fa1473bf53dab5
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Filesize
631KB
MD5a21d62305ddee22ddeb3926d8dd8d749
SHA1e2f0a800163b12f68580e83a289077738bd1f5c2
SHA25623d1087e040996197b326f8d270161a17bec069e48f55c8cddc5b5a0fd6154e6
SHA5129d0c2951a7d630aa4c78526c6ba4dbac88c4dd7679c6b7e1a57c10ebfc17c39a8a777ed4550299b2b848647f8121d2c2cfc948384618345a125d478aaa386423
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Filesize
714KB
MD5212568c665202482bfca9cb3c12b1a5c
SHA15651cc46f034e8628e4b42f85965d7aca882eb45
SHA256909d16004a9b3620b4d31762277117804fab576496b52a41dea84da6e6d83abd
SHA512ee1bf4210d7b07d6f96c566a31bc0a9869f9d9f7b64c7759167ad65537dae976a154983fe69e55602548764740631b2eea53fe9d409b55e3505ff15f9583c605
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Filesize
797KB
MD5a44387839bb73342c54154efeb6bba72
SHA1225393981f6dcf223dc08433df7783e2de016035
SHA256bb22cf724487cf02e1f462bff15222b830bb37544e95d293a18449ca563d8a50
SHA51292e2b9c5d3ada211a3ea1425cf7d8528f5124f8dd135235b825d8563133f07bbff52a6a78f4ac8b3b4759622b7af81975f17e1fcc586f25cb8bba42bb10ef9df
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Filesize
692KB
MD5f506157ed434342d31b483aa1e031fab
SHA18fc4c8302719827eec884a51b3c266a0bf69c871
SHA25638aa510b0ec3505f26f09adc10fd16e09b6a7b1778bf74ee69db1511143b2f3f
SHA51263f4b4cacb30c5e4095b45830523a81d91644682070f96792a81a5c565faf861c51dad96791384316f20a07876d7643c70cb951b122686e6a9aa18dac7fcb365
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Filesize
945KB
MD55488d1d3dbed2d3e6c5d6e7077c207f3
SHA132cce81270fcb55d04c82db8bf853ab58ce02294
SHA25651c73bd1fc4fa286b24eaf594e4393ed64414357c6cbf6fe3ec265a3eb69acaa
SHA512d957ab990bb3023b38e46459417760a1832ce7d8abc7d6eceae5f4d42bbb3a15f261c4b1cb1e70ec8073673e2fedb3da6936bb293ba99d27c65aaeb06f6fa4e3