Analysis
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max time kernel
150s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/04/2024, 18:07
Static task
static1
Behavioral task
behavioral1
Sample
703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe
Resource
win10v2004-20240226-en
General
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Target
703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe
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Size
4.2MB
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MD5
b6389c2182124f7813c47042e67da9ce
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SHA1
240acea62d8387f2438c36bd2c17af48cd6e67ae
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SHA256
703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a
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SHA512
7990c32d2a3ad247da8188ecaa7e9f0e621cee845308c1088835ccbec1aa68157cae7162dac13df4ca551e90f122b4809a248c450a731dde8a55833ed1f847b0
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SSDEEP
98304:ZI/vU0P0SoKco58xtCROcd7vQ/damFqV2UESpwcCHSHtgOaJ:+/MSxorvC0UrQ/PFo2U9CSu
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4656-2-0x00000000053B0000-0x0000000005C9B000-memory.dmp family_glupteba behavioral2/memory/4656-3-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/3776-53-0x0000000005260000-0x0000000005B4B000-memory.dmp family_glupteba behavioral2/memory/3776-55-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4656-64-0x00000000053B0000-0x0000000005C9B000-memory.dmp family_glupteba behavioral2/memory/4656-80-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/3776-166-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4896-242-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4896-254-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4896-258-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4896-262-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4896-266-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4896-269-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4896-274-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4896-278-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4896-282-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4896-286-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4896-290-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4896-293-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4896-297-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1868 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4896 csrss.exe 4596 injector.exe 2848 windefender.exe 3624 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7b7-247.dat upx behavioral2/memory/2848-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3624-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3624-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe File created C:\Windows\rss\csrss.exe 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2000 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 4480 schtasks.exe 4412 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\22\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (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\22\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1616 powershell.exe 1616 powershell.exe 4656 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 4656 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 4844 powershell.exe 4844 powershell.exe 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 1476 powershell.exe 1476 powershell.exe 4840 powershell.exe 4840 powershell.exe 3916 powershell.exe 3916 powershell.exe 1432 powershell.exe 1432 powershell.exe 3088 powershell.exe 3088 powershell.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4896 csrss.exe 4896 csrss.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4896 csrss.exe 4896 csrss.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4896 csrss.exe 4896 csrss.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe 4596 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1616 powershell.exe Token: SeDebugPrivilege 4656 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Token: SeImpersonatePrivilege 4656 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe Token: SeDebugPrivilege 4844 powershell.exe Token: SeDebugPrivilege 1476 powershell.exe Token: SeDebugPrivilege 4840 powershell.exe Token: SeDebugPrivilege 3916 powershell.exe Token: SeDebugPrivilege 1432 powershell.exe Token: SeDebugPrivilege 3088 powershell.exe Token: SeSystemEnvironmentPrivilege 4896 csrss.exe Token: SeSecurityPrivilege 2000 sc.exe Token: SeSecurityPrivilege 2000 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4656 wrote to memory of 1616 4656 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 78 PID 4656 wrote to memory of 1616 4656 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 78 PID 4656 wrote to memory of 1616 4656 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 78 PID 3776 wrote to memory of 4844 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 83 PID 3776 wrote to memory of 4844 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 83 PID 3776 wrote to memory of 4844 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 83 PID 3776 wrote to memory of 1288 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 85 PID 3776 wrote to memory of 1288 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 85 PID 1288 wrote to memory of 1868 1288 cmd.exe 87 PID 1288 wrote to memory of 1868 1288 cmd.exe 87 PID 3776 wrote to memory of 1476 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 88 PID 3776 wrote to memory of 1476 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 88 PID 3776 wrote to memory of 1476 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 88 PID 3776 wrote to memory of 4840 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 90 PID 3776 wrote to memory of 4840 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 90 PID 3776 wrote to memory of 4840 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 90 PID 3776 wrote to memory of 4896 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 92 PID 3776 wrote to memory of 4896 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 92 PID 3776 wrote to memory of 4896 3776 703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe 92 PID 4896 wrote to memory of 3916 4896 csrss.exe 93 PID 4896 wrote to memory of 3916 4896 csrss.exe 93 PID 4896 wrote to memory of 3916 4896 csrss.exe 93 PID 4896 wrote to memory of 1432 4896 csrss.exe 99 PID 4896 wrote to memory of 1432 4896 csrss.exe 99 PID 4896 wrote to memory of 1432 4896 csrss.exe 99 PID 4896 wrote to memory of 3088 4896 csrss.exe 101 PID 4896 wrote to memory of 3088 4896 csrss.exe 101 PID 4896 wrote to memory of 3088 4896 csrss.exe 101 PID 4896 wrote to memory of 4596 4896 csrss.exe 103 PID 4896 wrote to memory of 4596 4896 csrss.exe 103 PID 2848 wrote to memory of 5008 2848 windefender.exe 109 PID 2848 wrote to memory of 5008 2848 windefender.exe 109 PID 2848 wrote to memory of 5008 2848 windefender.exe 109 PID 5008 wrote to memory of 2000 5008 cmd.exe 110 PID 5008 wrote to memory of 2000 5008 cmd.exe 110 PID 5008 wrote to memory of 2000 5008 cmd.exe 110 -
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\703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe"C:\Users\Admin\AppData\Local\Temp\703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1616
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C:\Users\Admin\AppData\Local\Temp\703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.exe"C:\Users\Admin\AppData\Local\Temp\703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a.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:3776 -
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:4844
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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:1288 -
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:1868
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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:1476
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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:4840
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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:4896 -
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:3916
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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:4480
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2336
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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:1432
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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:3088
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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:4596
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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:4412
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2848 -
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:5008 -
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:2000
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3624
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD503b7514ebf9c60ffb75ddce9e371eab4
SHA117e98a95f3e15fa25cccd357e80cc88585a85f2d
SHA25619d88a18880127c21bd0bc7ec990b423fae2da4c4cdfa06909aaec98fec2a36e
SHA512aaa2d776f11b7c85e9f00cf0d9c41b72d8513192270973aaebfb34f8cd4a8ccbbd4b296a0c60871f90b9821aa828983678655d914a97414ee53a6a883594618a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ec0ad182daff86da9dad40e8232aad86
SHA1bb7bcdc62287e05d8e2485aff626e12d2469bbac
SHA256129a7a1573e302026bb4acd69b6d197248a4d981c896b1d4f0b53db3b7b53f16
SHA512904e9dafc922d8ff25f131593256c7d9e617f07333309c2b9861bffc554d39f59301b85af8900b27650cb94c7292ecfdba23888e132136282d7830cb7e2a6bb1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD592c995e7d214fee7fe40f745fcc9d5f3
SHA1ccf49e065987178ada928da6d0a6ecbaa4d51ee7
SHA256600cab5c312f3fa48a50d7efc3440337c576751946e4c361917459846a522143
SHA512ae3b25b596147b854460a406536827c253812549c3b5b8a35b4b93fe55aface06bdcd7985355185b8ebe9ddee380405b2a7d018f3284fab0a52e4dade8787df6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD544cee378120c0708bdbf945d85b755c7
SHA12afbde73d8e8cff81def5be6a5497253b41a8ebd
SHA256c655133587b948c4a6086367f2804789bd8c66ca755beee87bd30837570bdffa
SHA5126e282ee885027091f978ed42758776398c7d870ae45bbf27d00385383bf5f14541b8440557ec4ee8cbedf2192bf2e60d5ac27dcf1f2a6da9e38bc40ac63d6006
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55c67d0430d9f7cd783ade13559814160
SHA1df2fbf5ed27de396fcf4463113fb786af1a44c23
SHA256ef38f9983fcff4f89feb5f7a69a79343933b27ff7648b997d7a1aad64844acae
SHA51236512b3fe9145dd94237cf069a11e21957adfe602520fa6dadfa5b6f644eedc2112754cbfb88ded2a6fd8d6b70c866e24df844110e1fe515c46dc820d7f9c35c
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Filesize
4.2MB
MD5b6389c2182124f7813c47042e67da9ce
SHA1240acea62d8387f2438c36bd2c17af48cd6e67ae
SHA256703a50fb1a54a638f9d9bb05e9574ca55ee1c0582173f1b2a11ebe6a98fb312a
SHA5127990c32d2a3ad247da8188ecaa7e9f0e621cee845308c1088835ccbec1aa68157cae7162dac13df4ca551e90f122b4809a248c450a731dde8a55833ed1f847b0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec