Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 12:38
Static task
static1
Behavioral task
behavioral1
Sample
2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe
Resource
win10v2004-20240426-en
General
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Target
2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe
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Size
4.1MB
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MD5
0acfd9a919726a481ca756f6abad0ac0
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SHA1
c142555a1091b14516a5a43d829fbdf88ca5b14a
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SHA256
2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578
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SHA512
11f3014889f675ae70d2d016a1ffca0686b59ed1020a91ba7660b7a6096abaae001d463e2297571eeba076994fcb8d669586e468ecccfa7e97d52a89177e5ceb
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SSDEEP
98304:1/lx2VB4FLDQS1OmkYbRsTncIxTvyO2P5x7YbDUU80:FlgkYS1OmbburVLyO2P5x7Yb4e
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/936-2-0x0000000002F80000-0x000000000386B000-memory.dmp family_glupteba behavioral1/memory/936-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/936-83-0x0000000002F80000-0x000000000386B000-memory.dmp family_glupteba behavioral1/memory/936-82-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3844-111-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/948-193-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/948-203-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/948-205-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/948-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/948-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/948-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/948-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/948-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/948-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/948-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/948-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/948-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/948-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2600 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 948 csrss.exe 3992 injector.exe 1104 windefender.exe 4924 windefender.exe -
resource yara_rule behavioral1/files/0x000b000000023365-197.dat upx behavioral1/memory/1104-198-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4924-201-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1104-202-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4924-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4924-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 6 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 -
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 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe File created C:\Windows\rss\csrss.exe 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.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 4772 sc.exe -
pid Process 4620 powershell.exe 4144 powershell.exe 4636 powershell.exe 4832 powershell.exe 4876 powershell.exe 1388 powershell.exe 5044 powershell.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 1884 schtasks.exe 2880 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.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\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.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\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.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,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4876 powershell.exe 4876 powershell.exe 936 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 936 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 1388 powershell.exe 1388 powershell.exe 1388 powershell.exe 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4620 powershell.exe 4620 powershell.exe 4144 powershell.exe 4144 powershell.exe 4636 powershell.exe 4636 powershell.exe 4832 powershell.exe 4832 powershell.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 948 csrss.exe 948 csrss.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 948 csrss.exe 948 csrss.exe 3992 injector.exe 3992 injector.exe 948 csrss.exe 948 csrss.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe 3992 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 4876 powershell.exe Token: SeDebugPrivilege 936 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Token: SeImpersonatePrivilege 936 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Token: SeDebugPrivilege 1388 powershell.exe Token: SeDebugPrivilege 4620 powershell.exe Token: SeDebugPrivilege 4144 powershell.exe Token: SeDebugPrivilege 4636 powershell.exe Token: SeDebugPrivilege 4832 powershell.exe Token: SeSystemEnvironmentPrivilege 948 csrss.exe Token: SeSecurityPrivilege 4772 sc.exe Token: SeSecurityPrivilege 4772 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 936 wrote to memory of 4876 936 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 86 PID 936 wrote to memory of 4876 936 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 86 PID 936 wrote to memory of 4876 936 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 86 PID 3844 wrote to memory of 1388 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 94 PID 3844 wrote to memory of 1388 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 94 PID 3844 wrote to memory of 1388 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 94 PID 3844 wrote to memory of 1628 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 98 PID 3844 wrote to memory of 1628 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 98 PID 1628 wrote to memory of 2600 1628 cmd.exe 100 PID 1628 wrote to memory of 2600 1628 cmd.exe 100 PID 3844 wrote to memory of 5044 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 101 PID 3844 wrote to memory of 5044 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 101 PID 3844 wrote to memory of 5044 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 101 PID 3844 wrote to memory of 4620 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 103 PID 3844 wrote to memory of 4620 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 103 PID 3844 wrote to memory of 4620 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 103 PID 3844 wrote to memory of 948 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 105 PID 3844 wrote to memory of 948 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 105 PID 3844 wrote to memory of 948 3844 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 105 PID 948 wrote to memory of 4144 948 csrss.exe 106 PID 948 wrote to memory of 4144 948 csrss.exe 106 PID 948 wrote to memory of 4144 948 csrss.exe 106 PID 948 wrote to memory of 4636 948 csrss.exe 111 PID 948 wrote to memory of 4636 948 csrss.exe 111 PID 948 wrote to memory of 4636 948 csrss.exe 111 PID 948 wrote to memory of 4832 948 csrss.exe 114 PID 948 wrote to memory of 4832 948 csrss.exe 114 PID 948 wrote to memory of 4832 948 csrss.exe 114 PID 948 wrote to memory of 3992 948 csrss.exe 116 PID 948 wrote to memory of 3992 948 csrss.exe 116 PID 1104 wrote to memory of 712 1104 windefender.exe 125 PID 1104 wrote to memory of 712 1104 windefender.exe 125 PID 1104 wrote to memory of 712 1104 windefender.exe 125 PID 712 wrote to memory of 4772 712 cmd.exe 126 PID 712 wrote to memory of 4772 712 cmd.exe 126 PID 712 wrote to memory of 4772 712 cmd.exe 126 -
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\2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe"C:\Users\Admin\AppData\Local\Temp\2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:936 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4876
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C:\Users\Admin\AppData\Local\Temp\2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe"C:\Users\Admin\AppData\Local\Temp\2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.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:3844 -
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:1388
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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:1628 -
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:2600
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
PID:5044
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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:4620
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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:948 -
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:4144
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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:1884
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:608
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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:4636
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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:4832
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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:3992
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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:2880
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1104 -
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:712 -
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:4772
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4924
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
MD5718ea5b3591da1cb6c19d388bfc1d636
SHA17c3a28f9fb44cfd258097374c16140255057ba61
SHA256203997da2c8120b19434e87a309a094e82228933a0b5c5bd53095f2173002c68
SHA51239d1677b87c4ffbaf529dce025dda918282db5d2f8c6f574e85c088ceeb8bb9f6dc5ee150aedf00222010359c8b7c9fb2f22bd45237fbdc6f75f4d52604a7a83
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54b30410b89e71d795f063601748fa963
SHA18a502d8478498069a33ce092c26b7456e1100a3b
SHA2568e945e68e1a7d66f87f4001764f359f51e1c1a8512b05329bea83c6a6a31bdef
SHA5123c05ec079378b4b5a144c143aac3bce27c6b8719f3f090b7c33a3ce532eba094881ab6e5ad88e3c153713ddeba635a06a3c71b1238635e39f244efc24926477b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5752045009e449d84b2fb86f47d0f23ec
SHA1f2f6998f0edf3e255ee5ec66f3769452f57d432f
SHA2565b705da2085b3e428db68558dbdc87b0e6d1a840521ebe94513708a9e4f6a3cb
SHA512b26d65585a8f6239102d8e1cf18ca741a2e93e6f994cb06b0182924c28d6e93db1de6123efa64a3e9acbdbe6ca460e8e5ac06e6c2e41f359b4c57024da61c484
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55884186501bad2dea41c1696799068c4
SHA1efb82631b98516ea144d4c0f233a7428489b725f
SHA25626d3d1eb0ead32f7f191587010c41c8db3c1e4d9a73e692d65531f777e7234e9
SHA512868961996d93da8c49511bfdbe9547043e72c37b8624921375da8d0bed7a73a7fe1662d75ae653506f59fcb946a9b4e2f92cf2e0cfde8c26f0d840dfdfcd58e7
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Filesize
4.1MB
MD50acfd9a919726a481ca756f6abad0ac0
SHA1c142555a1091b14516a5a43d829fbdf88ca5b14a
SHA2562da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578
SHA51211f3014889f675ae70d2d016a1ffca0686b59ed1020a91ba7660b7a6096abaae001d463e2297571eeba076994fcb8d669586e468ecccfa7e97d52a89177e5ceb
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec