Analysis
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max time kernel
152s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
21/04/2024, 08:23
Static task
static1
Behavioral task
behavioral1
Sample
8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe
Resource
win10v2004-20240226-en
General
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Target
8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe
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Size
4.1MB
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MD5
4c6f173bfde7201139b06142976443af
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SHA1
98f0b0ecd57fab80ee49f0dd03d94635e0ab96d0
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SHA256
8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea
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SHA512
6f5501093edfd594dde7c8ed7eff5f2b0a4f1fe7068aa0bbc5e41d45869e24e1386e25ea4174cf3684ea80ef8c72c0e68c5289e8cb3f71a182d77b0425781f3f
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SSDEEP
98304:b4qWg+YQzLmftPjRs7JtBhUiZv1ggcXutB8ev+3Whzrm:bWg+YEmQ7rBhUiZtgg2AB8elhzrm
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/1744-2-0x0000000003FE0000-0x00000000048CB000-memory.dmp family_glupteba behavioral1/memory/1744-3-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/1744-4-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/1744-25-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/1744-28-0x0000000003FE0000-0x00000000048CB000-memory.dmp family_glupteba behavioral1/memory/1744-33-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/1744-34-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/4604-64-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/1744-65-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/4604-113-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/4604-114-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/4604-142-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/4604-192-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/32-210-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/32-263-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/32-272-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/32-277-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/32-281-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/32-285-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/32-289-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral1/memory/32-293-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2608 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 32 csrss.exe 2892 injector.exe 3248 windefender.exe 3532 windefender.exe -
resource yara_rule behavioral1/files/0x000400000000070d-268.dat upx behavioral1/memory/3248-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3532-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3532-286-0x0000000000400000-0x00000000008DF000-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\"" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.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 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 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 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe File created C:\Windows\rss\csrss.exe 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.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 1532 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1116 schtasks.exe 2752 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\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 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" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\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,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.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\Root 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\22\52C64B7E\@tzres.dll,-271 = "Greenwich 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,-1661 = "Bahia Daylight Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard 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,-291 = "Central European Daylight Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\22\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3624 powershell.exe 3624 powershell.exe 1744 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 1744 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 3988 powershell.exe 3988 powershell.exe 3988 powershell.exe 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 3156 powershell.exe 3156 powershell.exe 3156 powershell.exe 832 powershell.exe 832 powershell.exe 832 powershell.exe 1716 powershell.exe 1716 powershell.exe 1716 powershell.exe 2508 powershell.exe 2508 powershell.exe 2508 powershell.exe 3212 powershell.exe 3212 powershell.exe 3212 powershell.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 32 csrss.exe 32 csrss.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 32 csrss.exe 32 csrss.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 32 csrss.exe 32 csrss.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3624 powershell.exe Token: SeDebugPrivilege 1744 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Token: SeImpersonatePrivilege 1744 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe Token: SeDebugPrivilege 3988 powershell.exe Token: SeDebugPrivilege 3156 powershell.exe Token: SeDebugPrivilege 832 powershell.exe Token: SeDebugPrivilege 1716 powershell.exe Token: SeDebugPrivilege 2508 powershell.exe Token: SeDebugPrivilege 3212 powershell.exe Token: SeSystemEnvironmentPrivilege 32 csrss.exe Token: SeSecurityPrivilege 1532 sc.exe Token: SeSecurityPrivilege 1532 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1744 wrote to memory of 3624 1744 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 92 PID 1744 wrote to memory of 3624 1744 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 92 PID 1744 wrote to memory of 3624 1744 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 92 PID 4604 wrote to memory of 3988 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 103 PID 4604 wrote to memory of 3988 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 103 PID 4604 wrote to memory of 3988 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 103 PID 4604 wrote to memory of 3128 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 106 PID 4604 wrote to memory of 3128 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 106 PID 3128 wrote to memory of 2608 3128 cmd.exe 108 PID 3128 wrote to memory of 2608 3128 cmd.exe 108 PID 4604 wrote to memory of 3156 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 109 PID 4604 wrote to memory of 3156 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 109 PID 4604 wrote to memory of 3156 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 109 PID 4604 wrote to memory of 832 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 111 PID 4604 wrote to memory of 832 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 111 PID 4604 wrote to memory of 832 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 111 PID 4604 wrote to memory of 32 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 113 PID 4604 wrote to memory of 32 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 113 PID 4604 wrote to memory of 32 4604 8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe 113 PID 32 wrote to memory of 1716 32 csrss.exe 114 PID 32 wrote to memory of 1716 32 csrss.exe 114 PID 32 wrote to memory of 1716 32 csrss.exe 114 PID 32 wrote to memory of 2508 32 csrss.exe 120 PID 32 wrote to memory of 2508 32 csrss.exe 120 PID 32 wrote to memory of 2508 32 csrss.exe 120 PID 32 wrote to memory of 3212 32 csrss.exe 122 PID 32 wrote to memory of 3212 32 csrss.exe 122 PID 32 wrote to memory of 3212 32 csrss.exe 122 PID 32 wrote to memory of 2892 32 csrss.exe 124 PID 32 wrote to memory of 2892 32 csrss.exe 124 PID 3248 wrote to memory of 4488 3248 windefender.exe 130 PID 3248 wrote to memory of 4488 3248 windefender.exe 130 PID 3248 wrote to memory of 4488 3248 windefender.exe 130 PID 4488 wrote to memory of 1532 4488 cmd.exe 131 PID 4488 wrote to memory of 1532 4488 cmd.exe 131 PID 4488 wrote to memory of 1532 4488 cmd.exe 131 -
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\8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe"C:\Users\Admin\AppData\Local\Temp\8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3624
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C:\Users\Admin\AppData\Local\Temp\8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.exe"C:\Users\Admin\AppData\Local\Temp\8ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea.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:4604 -
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:3988
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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:3128 -
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:2608
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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:3156
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:832
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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:32 -
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:1716
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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:1116
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4416
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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:2508
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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:3212
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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:2892
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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:2752
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3248 -
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:4488 -
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:1532
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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=4036 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:81⤵PID:3896
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3532
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55a00033b64078adad7c7a073d2d07373
SHA1613e67d19284fb02e9e8b88d6699a9a53044294d
SHA256dd994ea0079f3ddc41098348d106a1eca72c3a2aed3d3f3502b300d74625d24e
SHA5125b1f5004f60211cb53ed2a97791edc60a399ace422fa61972fa8f8895b2a8cba4ce88dcbe0d0064fa0da45815aa8b33dd7ca3b93c0c95601760cef5cb8d6aa0b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c06352d0caf77189afbe654759f7a4a5
SHA1198acedb64888fccc44188ad716fed42c12a799b
SHA2564b5722d384a198da468d181bd2311598c9365fb8bdef63ffb4d85aaae79f346c
SHA512f3b3997112da87e0bab31e715891b7c4bd9bac7f4bedd00ee7cca065584abf53406bc5a0e0577751626a96f0c1e4fb87aaa5e3c4604bee8a74172c698bc04e64
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54a9869c4b893fb93eb7d4bdcc79671a9
SHA13ae81b8f80829df683202a7a93b014d9c6088472
SHA256f4b18daf1ffa1da966ef65619692084a6ca24afb14c1bfd402ef9c85af521fc2
SHA5120cf54415779bd1759c783a13a62175452f6d12fb24c882d92ef93fa5907107a247ddc5f3f5626de99aee64402c359f6f43d7e3bc2c5fcc85fdf732103f1179c6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD557d9c38b875aafd7de498b2329b9cf1f
SHA16117f78fcc8f994b74ac587f1ca904f9249fc6ca
SHA2562db2820d1b82da78e76413044b7d9d30d3e55c56c6573b6db3c8a257352f4c17
SHA51229e1cef1b2f377e3ea895c24399959b488170b1f2037cda8cf491cd54b74cbf247d22f4eefa3b4b2d8b290c4000bc68057c442a84b81457363eca2a0978784c0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b955ef1d8ab0fc44b0a8ae79670fa497
SHA1a6c10df00aa5db28a9c54de9988be456136cff43
SHA2564968a7441978d3cbaa87123d79ea2e4b07ed5ef9643ef397777d92a6cb751fed
SHA512fd368bdda50e707deab22dccbc0be67d0f9cab349227167f6b5ffa9856622ca59f3bb29746e5fb512aca51a5331e2bb9b38ed95916334b62742d8992d62bec51
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Filesize
4.1MB
MD54c6f173bfde7201139b06142976443af
SHA198f0b0ecd57fab80ee49f0dd03d94635e0ab96d0
SHA2568ffdbc4b3330260674a8fc5e7746190fdd36889abc57f7c43709fed6116be1ea
SHA5126f5501093edfd594dde7c8ed7eff5f2b0a4f1fe7068aa0bbc5e41d45869e24e1386e25ea4174cf3684ea80ef8c72c0e68c5289e8cb3f71a182d77b0425781f3f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec