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Analysis
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max time kernel
142s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
04/11/2023, 12:43
Static task
static1
General
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Target
b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe
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Size
4.1MB
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MD5
a937edab03baba5ad2153b824b254593
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SHA1
1d51ea3ce9d1e43c2ef2b3be78d01846ebaa021a
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SHA256
b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053
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SHA512
4738637db511188ae710356763454e2edcd0579f458b26702e40cdba92584a4a3fc0fc261e440fde629ff47e6030bea14da5687b8dd9b1313013161c982c7045
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SSDEEP
98304:wBAagpdOpRt0b7+jUBGMiTI26sbPHOutgzPTP//9ua+P:CAaMOpSJ26sDOuSLTkxP
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1464-2-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/1464-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1464-24-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/1464-26-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1464-58-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1740-61-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1740-89-0x0000000002860000-0x0000000002C68000-memory.dmp family_glupteba behavioral1/memory/1740-91-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1740-149-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1740-155-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/116-239-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/116-259-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/116-268-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/116-270-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/116-272-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/116-274-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/116-276-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/116-278-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/116-280-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/116-282-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1920 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 116 csrss.exe 4728 injector.exe 1164 windefender.exe 1180 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001e792-262.dat upx behavioral1/files/0x000700000001e792-263.dat upx behavioral1/files/0x000700000001e792-265.dat upx behavioral1/memory/1164-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1180-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1180-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe File created C:\Windows\rss\csrss.exe b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.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 544 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 3760 schtasks.exe 2252 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.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\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\1a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.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\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4528 powershell.exe 4528 powershell.exe 4528 powershell.exe 1464 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 1464 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 4296 powershell.exe 4296 powershell.exe 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 3724 powershell.exe 3724 powershell.exe 2140 powershell.exe 2140 powershell.exe 3584 powershell.exe 3584 powershell.exe 3584 powershell.exe 2660 powershell.exe 2660 powershell.exe 2660 powershell.exe 612 powershell.exe 612 powershell.exe 612 powershell.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 116 csrss.exe 116 csrss.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 116 csrss.exe 116 csrss.exe 4728 injector.exe 4728 injector.exe 116 csrss.exe 116 csrss.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4528 powershell.exe Token: SeDebugPrivilege 1464 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Token: SeImpersonatePrivilege 1464 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe Token: SeDebugPrivilege 4296 powershell.exe Token: SeDebugPrivilege 3724 powershell.exe Token: SeDebugPrivilege 2140 powershell.exe Token: SeDebugPrivilege 3584 powershell.exe Token: SeDebugPrivilege 2660 powershell.exe Token: SeDebugPrivilege 612 powershell.exe Token: SeSystemEnvironmentPrivilege 116 csrss.exe Token: SeSecurityPrivilege 544 sc.exe Token: SeSecurityPrivilege 544 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1464 wrote to memory of 4528 1464 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 95 PID 1464 wrote to memory of 4528 1464 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 95 PID 1464 wrote to memory of 4528 1464 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 95 PID 1740 wrote to memory of 4296 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 102 PID 1740 wrote to memory of 4296 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 102 PID 1740 wrote to memory of 4296 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 102 PID 1740 wrote to memory of 4728 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 105 PID 1740 wrote to memory of 4728 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 105 PID 4728 wrote to memory of 1920 4728 cmd.exe 107 PID 4728 wrote to memory of 1920 4728 cmd.exe 107 PID 1740 wrote to memory of 3724 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 108 PID 1740 wrote to memory of 3724 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 108 PID 1740 wrote to memory of 3724 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 108 PID 1740 wrote to memory of 2140 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 110 PID 1740 wrote to memory of 2140 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 110 PID 1740 wrote to memory of 2140 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 110 PID 1740 wrote to memory of 116 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 113 PID 1740 wrote to memory of 116 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 113 PID 1740 wrote to memory of 116 1740 b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe 113 PID 116 wrote to memory of 3584 116 csrss.exe 114 PID 116 wrote to memory of 3584 116 csrss.exe 114 PID 116 wrote to memory of 3584 116 csrss.exe 114 PID 116 wrote to memory of 2660 116 csrss.exe 120 PID 116 wrote to memory of 2660 116 csrss.exe 120 PID 116 wrote to memory of 2660 116 csrss.exe 120 PID 116 wrote to memory of 612 116 csrss.exe 124 PID 116 wrote to memory of 612 116 csrss.exe 124 PID 116 wrote to memory of 612 116 csrss.exe 124 PID 116 wrote to memory of 4728 116 csrss.exe 126 PID 116 wrote to memory of 4728 116 csrss.exe 126 PID 1164 wrote to memory of 64 1164 windefender.exe 135 PID 1164 wrote to memory of 64 1164 windefender.exe 135 PID 1164 wrote to memory of 64 1164 windefender.exe 135 PID 64 wrote to memory of 544 64 cmd.exe 136 PID 64 wrote to memory of 544 64 cmd.exe 136 PID 64 wrote to memory of 544 64 cmd.exe 136 -
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\b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe"C:\Users\Admin\AppData\Local\Temp\b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1464 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4528
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C:\Users\Admin\AppData\Local\Temp\b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.exe"C:\Users\Admin\AppData\Local\Temp\b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053.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:1740 -
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:4296
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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:4728 -
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:1920
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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:3724
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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:2140
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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:116 -
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:3584
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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:3760
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1452
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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:2660
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:612
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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:4728
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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:2252
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1164 -
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:64 -
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:544
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1180
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
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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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD567a90ce6f2aa86e5e3cc95052dc0b0cb
SHA19a99eec866b4e6582448f7f3f82f2baefc1a84c4
SHA2561f67bb545181da16c832e131f727f0752295c7ae7417e18e4bbbb9d3108c01fd
SHA5127f93335c90f2219e6fcf01e0070af9c091c16529a581a1fe947e9981a8bf82d145c962f12f636dec56815e8fdb7b5920872972d07581a25c45a483391cf3bdd2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c14f732f78a397dc42c224092c5635ff
SHA1ad4ad9e3a4141ae87397fcdac3b91565d6fa070d
SHA256be0f752fd0e65500d904df5cd165f6f38abd1f55a10165f0e4269343353e0295
SHA512670feada44a3406ea7801ee6d20a3a316c58f9f054a52bb64d403dca0343dfaf726fe2135ceeb44961fc6c3c71a9f98d52236bb111ad60f2bb7a849cd23d6c86
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a35024eded9004c5e6d1d5d118b7bade
SHA10bc060269d88ea0c7927158311f7bc63c6088fd2
SHA256be0260e55aa2d0fa3151c3501e3adb1eecd8e1f05ebd7c1eda473b05365f8cb5
SHA51258aecdc78beb3ba5cca355ef2a629b5568f5393b3edb83cd182b6555a6413b8f5ba20258a24e53ae9ee1a7418b2bdce968b52122aafbbd35a66e84ff9115e7b8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5249586920316fc6b4a9707c9e5ffe4cb
SHA19a48235b97a789ec87d9d305e14cee961468bfb3
SHA256175991a4eca4f5847644571ffe5cefeac94148470e7344a9f1dcca666ece15d4
SHA51281dbbf1e23bf81c6efda4ce38f902bbec5f90c82e938519e945062b5b179de91bfdf3fec536bf6684a22fe0a08fd528c78fcccc2f828938971a09f90ba308e1e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55d14690e5b1bbbc0b350600991d962bb
SHA1f49cb63a33400acdbc735148a6d71657e21c65ab
SHA2563a64d1f5b2fa82dc1962ce3a7e4027ea756d30b5193be52b72b20cd2f902d7dd
SHA512cf1e831d2706e7fde738e536ced9e57c73e00fb4197f57b0ce2470a9548d9e1f56e5f0d7aea136eaf38133ee1e8a7a735e300e260ccbb7b1a8eed7945ed86f21
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Filesize
4.1MB
MD5a937edab03baba5ad2153b824b254593
SHA11d51ea3ce9d1e43c2ef2b3be78d01846ebaa021a
SHA256b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053
SHA5124738637db511188ae710356763454e2edcd0579f458b26702e40cdba92584a4a3fc0fc261e440fde629ff47e6030bea14da5687b8dd9b1313013161c982c7045
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Filesize
4.1MB
MD5a937edab03baba5ad2153b824b254593
SHA11d51ea3ce9d1e43c2ef2b3be78d01846ebaa021a
SHA256b2b2199ac6fd44ca58145b2b1d893a10f92652899f5e3da228d02a2972677053
SHA5124738637db511188ae710356763454e2edcd0579f458b26702e40cdba92584a4a3fc0fc261e440fde629ff47e6030bea14da5687b8dd9b1313013161c982c7045
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec