Analysis
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max time kernel
152s -
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
29-10-2023 14:42
Static task
static1
General
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Target
b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe
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Size
4.1MB
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MD5
1460e9096d9ef1771697ad607dc55784
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SHA1
63cf1e528dfa894ce05fbd6b6adb18625a808ae3
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SHA256
b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8
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SHA512
b418aa6d9597a4a37ca7cc84c3f22ee4199395e0d910ffa3994f51acbf6611682dee25da2c0f09bbd2f1a5e60282ed036b09f2471c95cc45964fd617b5b76557
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SSDEEP
98304:Wrv7jgjFRJb2wOnTvpo/I8ihn+r94RzBjhlbnGTgAFjSaUI:yvgjFRVHIZt+rGRNjhlENjSal
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/968-2-0x0000000002F40000-0x000000000382B000-memory.dmp family_glupteba behavioral1/memory/968-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/968-26-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/968-27-0x0000000002F40000-0x000000000382B000-memory.dmp family_glupteba behavioral1/memory/968-61-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2964-63-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2964-97-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2964-98-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2964-142-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2964-161-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2012-243-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2012-264-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2012-273-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2012-276-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2012-279-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2012-282-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2012-285-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2012-288-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2012-291-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2012-294-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2176 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2012 csrss.exe 4312 injector.exe 3540 windefender.exe 1752 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000022e02-267.dat upx behavioral1/files/0x0007000000022e02-269.dat upx behavioral1/files/0x0007000000022e02-270.dat upx behavioral1/memory/3540-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1752-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1752-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1752-289-0x0000000000400000-0x00000000008DF000-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\"" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.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\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 File created 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 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe File created C:\Windows\rss\csrss.exe b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe File created 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 4616 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 3136 schtasks.exe 1436 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.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,-122 = "SA Pacific 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\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.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,-2411 = "Marquesas 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,-512 = "Central Asia Standard Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.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,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\1a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.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\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 776 powershell.exe 776 powershell.exe 968 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 968 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 4012 powershell.exe 4012 powershell.exe 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 2688 powershell.exe 2688 powershell.exe 1408 powershell.exe 1408 powershell.exe 4700 powershell.exe 4700 powershell.exe 2248 powershell.exe 2248 powershell.exe 2552 powershell.exe 2552 powershell.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 2012 csrss.exe 2012 csrss.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 2012 csrss.exe 2012 csrss.exe 2012 csrss.exe 2012 csrss.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe 4312 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 776 powershell.exe Token: SeDebugPrivilege 968 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Token: SeImpersonatePrivilege 968 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe Token: SeDebugPrivilege 4012 powershell.exe Token: SeDebugPrivilege 2688 powershell.exe Token: SeDebugPrivilege 1408 powershell.exe Token: SeDebugPrivilege 4700 powershell.exe Token: SeDebugPrivilege 2248 powershell.exe Token: SeDebugPrivilege 2552 powershell.exe Token: SeSystemEnvironmentPrivilege 2012 csrss.exe Token: SeSecurityPrivilege 4616 sc.exe Token: SeSecurityPrivilege 4616 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 968 wrote to memory of 776 968 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 90 PID 968 wrote to memory of 776 968 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 90 PID 968 wrote to memory of 776 968 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 90 PID 2964 wrote to memory of 4012 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 96 PID 2964 wrote to memory of 4012 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 96 PID 2964 wrote to memory of 4012 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 96 PID 2964 wrote to memory of 3148 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 99 PID 2964 wrote to memory of 3148 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 99 PID 3148 wrote to memory of 2176 3148 cmd.exe 101 PID 3148 wrote to memory of 2176 3148 cmd.exe 101 PID 2964 wrote to memory of 2688 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 102 PID 2964 wrote to memory of 2688 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 102 PID 2964 wrote to memory of 2688 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 102 PID 2964 wrote to memory of 1408 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 104 PID 2964 wrote to memory of 1408 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 104 PID 2964 wrote to memory of 1408 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 104 PID 2964 wrote to memory of 2012 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 106 PID 2964 wrote to memory of 2012 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 106 PID 2964 wrote to memory of 2012 2964 b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe 106 PID 2012 wrote to memory of 4700 2012 csrss.exe 107 PID 2012 wrote to memory of 4700 2012 csrss.exe 107 PID 2012 wrote to memory of 4700 2012 csrss.exe 107 PID 2012 wrote to memory of 2248 2012 csrss.exe 113 PID 2012 wrote to memory of 2248 2012 csrss.exe 113 PID 2012 wrote to memory of 2248 2012 csrss.exe 113 PID 2012 wrote to memory of 2552 2012 csrss.exe 116 PID 2012 wrote to memory of 2552 2012 csrss.exe 116 PID 2012 wrote to memory of 2552 2012 csrss.exe 116 PID 2012 wrote to memory of 4312 2012 csrss.exe 118 PID 2012 wrote to memory of 4312 2012 csrss.exe 118 PID 3540 wrote to memory of 2648 3540 windefender.exe 124 PID 3540 wrote to memory of 2648 3540 windefender.exe 124 PID 3540 wrote to memory of 2648 3540 windefender.exe 124 PID 2648 wrote to memory of 4616 2648 cmd.exe 125 PID 2648 wrote to memory of 4616 2648 cmd.exe 125 PID 2648 wrote to memory of 4616 2648 cmd.exe 125 -
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\b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe"C:\Users\Admin\AppData\Local\Temp\b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:968 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:776
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C:\Users\Admin\AppData\Local\Temp\b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.exe"C:\Users\Admin\AppData\Local\Temp\b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8.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:2964 -
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:4012
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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:3148 -
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:2176
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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:2688
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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:1408
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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:2012 -
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:4700
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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:3136
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2768
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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:2248
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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:2552
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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:4312
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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:1436
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3540 -
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:2648 -
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:4616
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1752
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
MD576b9eab62592d251962516b983a2994a
SHA1579f477fc296ecb317131acbb476847eb43896cd
SHA25697ac89de1f5e1e372908e0cffbf363886f183c8d127d11a11e068806265045ae
SHA51269fdf8ec9d3e8e218bfeb7606d4623e96ef283db2a1b83050daa09a3d96819412267654965d433c9e4d7f20c2a0d99383bc59567fc47e1302bbc0f897c6b2018
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b6302fe5983770175bf49f5770ebaed4
SHA1c917cf2ab931f9fcb6efe7956aaebaaf5a25e8d5
SHA25671d6b62a7753895ba371ee7a97626573e1a436bed8744c18c2042a8e5e00b9fc
SHA512c8f4fc9dabf1cf47f6d39612d519073588d555a0c475d499c9376d4806700cbd3b9adca5dfe0b2b610d7208b90754977a8492284c582f839c827cbb6d9ef6094
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d1e941f50183b2e2b74188975efbca32
SHA173689c093b1991903247179e9d5d122de89ae3bd
SHA2560b625d42817e30e56b592892cbbcf2cb52ba18a1624052ceea3a5a84648402e0
SHA51283643c5d2cd3f0752f1af17cf5d15915bec59d78c656694658cf8f81143ccf6618709be903ebc00120286a4550a313edfbb85f9c8b12d9f5f91e8489575f21e3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD551c3ad791a8efe87fd945d04164640d3
SHA1f3095906be05b25b8c80c8b83ab7546f25261610
SHA2562e12cd6189db44ec48e24c8e7fa1f3221b14b16169f367d5a99629c4d8669ff1
SHA512e15be2ae5b7e4830dab0d59529a651bc21e83652e15e841aff27005b66cae06913508a3f5d11303d3133cd2766b7333196267a24612201d34503aa3a757a721b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57d0b1e00ef98afd437a2e923ce87e346
SHA1b9ebde86a9fd90a2ea165f77446bd6030810d6d4
SHA2563241b4cac073a682aff20f31b06b04fce5536542952bde11cfd0a8a252128460
SHA512c1301134222efd2e231e80a563ef28979b824d7211b8dc7c7e8da059c8c9bcd768eaf329b87872dc5dece8d08a48eb3687a3b606cd04075874606880b1efb6c3
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Filesize
4.1MB
MD51460e9096d9ef1771697ad607dc55784
SHA163cf1e528dfa894ce05fbd6b6adb18625a808ae3
SHA256b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8
SHA512b418aa6d9597a4a37ca7cc84c3f22ee4199395e0d910ffa3994f51acbf6611682dee25da2c0f09bbd2f1a5e60282ed036b09f2471c95cc45964fd617b5b76557
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Filesize
4.1MB
MD51460e9096d9ef1771697ad607dc55784
SHA163cf1e528dfa894ce05fbd6b6adb18625a808ae3
SHA256b2401ab1fab4aa9d8c5b8e1a9e330f9e8c4b1297afb70c31675f21e27831f0a8
SHA512b418aa6d9597a4a37ca7cc84c3f22ee4199395e0d910ffa3994f51acbf6611682dee25da2c0f09bbd2f1a5e60282ed036b09f2471c95cc45964fd617b5b76557
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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