Analysis
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max time kernel
149s -
max time network
142s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 15:31
Static task
static1
Behavioral task
behavioral1
Sample
096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe
Resource
win10v2004-20240426-en
General
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Target
096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe
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Size
4.1MB
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MD5
05c1758991956b63426592ffa8eb7442
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SHA1
526e8e7561c05bb3aabf04c70f66c7cb306e5c45
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SHA256
096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f
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SHA512
a5e873a7df5614bac8433bd23397ab1c83576e1df2f6a6633cea2edc0e67dd1b0cdbf4594c923ad0b8f04e29fc43b12afdc0eedd1a834972eda2fea6e0769ad8
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SSDEEP
98304:vQx32Mq02zAeaet/0/YHlEVnWsL/fnVsJseCa8CK6QwXNx08FC:4x32Mq02zAeLCVnWszfVfeCa8CLXv/E
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/3412-2-0x0000000004D10000-0x00000000055FB000-memory.dmp family_glupteba behavioral2/memory/3412-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3412-51-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3412-55-0x0000000004D10000-0x00000000055FB000-memory.dmp family_glupteba behavioral2/memory/3412-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3412-53-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/788-113-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/788-128-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2540-201-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2540-208-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2540-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2540-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2540-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2540-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2540-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2540-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2540-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2540-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2540-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2540-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2784 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2540 csrss.exe 2552 injector.exe 924 windefender.exe 4916 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa08-211.dat upx behavioral2/memory/924-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4916-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/924-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4916-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4916-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe File created C:\Windows\rss\csrss.exe 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.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 4560 sc.exe -
pid Process 1648 powershell.exe 780 powershell.exe 1848 powershell.exe 2864 powershell.exe 1112 powershell.exe 2196 powershell.exe 4856 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1568 3412 WerFault.exe 76 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2016 schtasks.exe 4620 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-1661 = "Bahia Daylight Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.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,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2864 powershell.exe 2864 powershell.exe 3412 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 3412 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 1112 powershell.exe 1112 powershell.exe 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 2196 powershell.exe 2196 powershell.exe 4856 powershell.exe 4856 powershell.exe 1648 powershell.exe 1648 powershell.exe 780 powershell.exe 780 powershell.exe 1848 powershell.exe 1848 powershell.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2540 csrss.exe 2540 csrss.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2540 csrss.exe 2540 csrss.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2540 csrss.exe 2540 csrss.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe 2552 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2864 powershell.exe Token: SeDebugPrivilege 3412 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Token: SeImpersonatePrivilege 3412 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe Token: SeDebugPrivilege 1112 powershell.exe Token: SeDebugPrivilege 2196 powershell.exe Token: SeDebugPrivilege 4856 powershell.exe Token: SeDebugPrivilege 1648 powershell.exe Token: SeDebugPrivilege 780 powershell.exe Token: SeDebugPrivilege 1848 powershell.exe Token: SeSystemEnvironmentPrivilege 2540 csrss.exe Token: SeSecurityPrivilege 4560 sc.exe Token: SeSecurityPrivilege 4560 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3412 wrote to memory of 2864 3412 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 78 PID 3412 wrote to memory of 2864 3412 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 78 PID 3412 wrote to memory of 2864 3412 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 78 PID 788 wrote to memory of 1112 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 86 PID 788 wrote to memory of 1112 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 86 PID 788 wrote to memory of 1112 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 86 PID 788 wrote to memory of 4340 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 88 PID 788 wrote to memory of 4340 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 88 PID 4340 wrote to memory of 2784 4340 cmd.exe 90 PID 4340 wrote to memory of 2784 4340 cmd.exe 90 PID 788 wrote to memory of 2196 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 91 PID 788 wrote to memory of 2196 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 91 PID 788 wrote to memory of 2196 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 91 PID 788 wrote to memory of 4856 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 93 PID 788 wrote to memory of 4856 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 93 PID 788 wrote to memory of 4856 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 93 PID 788 wrote to memory of 2540 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 95 PID 788 wrote to memory of 2540 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 95 PID 788 wrote to memory of 2540 788 096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe 95 PID 2540 wrote to memory of 1648 2540 csrss.exe 96 PID 2540 wrote to memory of 1648 2540 csrss.exe 96 PID 2540 wrote to memory of 1648 2540 csrss.exe 96 PID 2540 wrote to memory of 780 2540 csrss.exe 102 PID 2540 wrote to memory of 780 2540 csrss.exe 102 PID 2540 wrote to memory of 780 2540 csrss.exe 102 PID 2540 wrote to memory of 1848 2540 csrss.exe 104 PID 2540 wrote to memory of 1848 2540 csrss.exe 104 PID 2540 wrote to memory of 1848 2540 csrss.exe 104 PID 2540 wrote to memory of 2552 2540 csrss.exe 106 PID 2540 wrote to memory of 2552 2540 csrss.exe 106 PID 924 wrote to memory of 4572 924 windefender.exe 112 PID 924 wrote to memory of 4572 924 windefender.exe 112 PID 924 wrote to memory of 4572 924 windefender.exe 112 PID 4572 wrote to memory of 4560 4572 cmd.exe 113 PID 4572 wrote to memory of 4560 4572 cmd.exe 113 PID 4572 wrote to memory of 4560 4572 cmd.exe 113 -
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\096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe"C:\Users\Admin\AppData\Local\Temp\096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3412 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2864
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C:\Users\Admin\AppData\Local\Temp\096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.exe"C:\Users\Admin\AppData\Local\Temp\096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f.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:788 -
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:1112
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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:4340 -
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:2784
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2196
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4856
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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:2540 -
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:1648
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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:2016
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3732
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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:780
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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:1848
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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:2552
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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:4620
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:924 -
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:4572 -
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:4560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 9082⤵
- Program crash
PID:1568
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3412 -ip 34121⤵PID:1868
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4916
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54851fcde001ce7e4e6b7a296d0ab5983
SHA13e47db5986423e248f5704974ecb4ea1f0350b2a
SHA25651e889b198244f7e7740319d6efdbd967c868ff409c8b8b36c1553d0619de1cd
SHA512b50d3b442e29113356e00fc23a4da02d536170aa0b84196c0bfbfb853d017347fa79ec065d003bd206f7da7bf3c208f84e3f48f901e47a895ede785921f410ad
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD548c5b3199d0dc046fdb2bf73fc07ed76
SHA14ee2ddfb4420a6f01d2c649a733820a362f92722
SHA2564a19294cfd1524e8398d76f63106af5825d269e2f0c046163652999d52ff040c
SHA512e7eadbf590974b04952acaf0daa4103758d159cbba4ef4990f50fba51330c9e2c14ed133c10fc1bbd2b771c42cf784b57f98d5b0844ddc17f4d395fdf0848c18
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b5a2058f620914cca0ef0bcfa8e4d405
SHA1c0f07729197ef7947afb8fd196bed44f5ec2a761
SHA256d75d23cb0bf1fdbf754a6c56d9fd86c6517a7419356eae54984619c1a2ce151b
SHA5125ba18e26e613956c63d0866be5b1ab3f2b18b4aa53ecb08291a81f0829be4fa38b473092e714c4093529d9b37e869536d563ad50c984a4ab627a5da2f320b0f1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54a77013327f6f334fdd19428fdbb3e0c
SHA13e1d92ee18dbc63dc8d30376ac75d171649029e7
SHA256258ab1152a04d93b6e9cd62cc7ad4e00c411afa6e89745998b8f2130af35338a
SHA512eabfa4dc5d5d408aa1056b943801638dd42e6e2d54b18c569da0ef0e891e7952970b343d43c1799cc3309fdc3c456c1feff5cc76b2ce22c7881bd44e66b18756
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5018a8d60f57f404e4b277adcdcd986c9
SHA1d36546f8ebb0b7e208becfa1c6f946f03a055d0b
SHA256690bf10d0d3428f0aacc72e7fa491220fe8d2a2076504ac209a904569c7aa18f
SHA5124d44ab3bb6436a8807d01a17780e72b141785989dccccc95fd82eedce0c256925e7470b904103bfd5f78e62588dde19ee1d6dc91d0d6f0193b8b2d3965ef660e
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Filesize
4.1MB
MD505c1758991956b63426592ffa8eb7442
SHA1526e8e7561c05bb3aabf04c70f66c7cb306e5c45
SHA256096d713534ca21ee4570ca48be0d00d2d49a057466c295885ae1710defed168f
SHA512a5e873a7df5614bac8433bd23397ab1c83576e1df2f6a6633cea2edc0e67dd1b0cdbf4594c923ad0b8f04e29fc43b12afdc0eedd1a834972eda2fea6e0769ad8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec