Analysis
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max time kernel
149s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
01-05-2024 23:50
Static task
static1
Behavioral task
behavioral1
Sample
0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe
Resource
win10v2004-20240426-en
General
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Target
0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe
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Size
4.2MB
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MD5
73375f6b548bfc5264be3f77b4e4acc2
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SHA1
63d1a9f67f531fb100a1f08a4b8c7f68efc085b2
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SHA256
0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d
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SHA512
1977da4569660554b36306da56c87243c12162f3281cc881da75de07a0cc578c5d62ac7a204a2c9f061155740a32f449a98dd0e661fd39191836b7803da48a7a
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SSDEEP
98304:UHR7Rw1UeVSInmC6Ni9K2pljSFG9v41SjEKwaqon:ydw1UenmC6NP2p5SGvC8E1aqon
Malware Config
Signatures
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Glupteba payload 15 IoCs
resource yara_rule behavioral1/memory/116-51-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3592-112-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3592-178-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4032-205-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4032-216-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4032-225-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4032-229-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4032-233-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4032-237-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4032-241-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4032-245-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4032-249-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4032-253-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4032-257-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4032-261-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2880 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4032 csrss.exe 2188 injector.exe 432 windefender.exe 1484 windefender.exe -
resource yara_rule behavioral1/files/0x000b00000002345e-215.dat upx behavioral1/memory/432-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1484-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/432-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1484-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1484-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 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 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3868 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 1668 schtasks.exe 3892 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\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\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.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\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4496 powershell.exe 4496 powershell.exe 116 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 116 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 2856 powershell.exe 2856 powershell.exe 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 2944 powershell.exe 2944 powershell.exe 2240 powershell.exe 2240 powershell.exe 5064 powershell.exe 5064 powershell.exe 2628 powershell.exe 2628 powershell.exe 2592 powershell.exe 2592 powershell.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 4032 csrss.exe 4032 csrss.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 4032 csrss.exe 4032 csrss.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 4032 csrss.exe 4032 csrss.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe 2188 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4496 powershell.exe Token: SeDebugPrivilege 116 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Token: SeImpersonatePrivilege 116 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe Token: SeDebugPrivilege 2856 powershell.exe Token: SeDebugPrivilege 2944 powershell.exe Token: SeDebugPrivilege 2240 powershell.exe Token: SeDebugPrivilege 5064 powershell.exe Token: SeDebugPrivilege 2628 powershell.exe Token: SeDebugPrivilege 2592 powershell.exe Token: SeSystemEnvironmentPrivilege 4032 csrss.exe Token: SeSecurityPrivilege 3868 sc.exe Token: SeSecurityPrivilege 3868 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 116 wrote to memory of 4496 116 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 90 PID 116 wrote to memory of 4496 116 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 90 PID 116 wrote to memory of 4496 116 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 90 PID 3592 wrote to memory of 2856 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 95 PID 3592 wrote to memory of 2856 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 95 PID 3592 wrote to memory of 2856 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 95 PID 3592 wrote to memory of 3968 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 97 PID 3592 wrote to memory of 3968 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 97 PID 3968 wrote to memory of 2880 3968 cmd.exe 99 PID 3968 wrote to memory of 2880 3968 cmd.exe 99 PID 3592 wrote to memory of 2944 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 100 PID 3592 wrote to memory of 2944 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 100 PID 3592 wrote to memory of 2944 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 100 PID 3592 wrote to memory of 2240 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 102 PID 3592 wrote to memory of 2240 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 102 PID 3592 wrote to memory of 2240 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 102 PID 3592 wrote to memory of 4032 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 104 PID 3592 wrote to memory of 4032 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 104 PID 3592 wrote to memory of 4032 3592 0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe 104 PID 4032 wrote to memory of 5064 4032 csrss.exe 105 PID 4032 wrote to memory of 5064 4032 csrss.exe 105 PID 4032 wrote to memory of 5064 4032 csrss.exe 105 PID 4032 wrote to memory of 2628 4032 csrss.exe 112 PID 4032 wrote to memory of 2628 4032 csrss.exe 112 PID 4032 wrote to memory of 2628 4032 csrss.exe 112 PID 4032 wrote to memory of 2592 4032 csrss.exe 114 PID 4032 wrote to memory of 2592 4032 csrss.exe 114 PID 4032 wrote to memory of 2592 4032 csrss.exe 114 PID 4032 wrote to memory of 2188 4032 csrss.exe 116 PID 4032 wrote to memory of 2188 4032 csrss.exe 116 PID 432 wrote to memory of 980 432 windefender.exe 123 PID 432 wrote to memory of 980 432 windefender.exe 123 PID 432 wrote to memory of 980 432 windefender.exe 123 PID 980 wrote to memory of 3868 980 cmd.exe 124 PID 980 wrote to memory of 3868 980 cmd.exe 124 PID 980 wrote to memory of 3868 980 cmd.exe 124 -
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\0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe"C:\Users\Admin\AppData\Local\Temp\0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:116 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4496
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C:\Users\Admin\AppData\Local\Temp\0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe"C:\Users\Admin\AppData\Local\Temp\0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.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:3592 -
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:2856
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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:3968 -
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:2880
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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:2944
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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:2240
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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:4032 -
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:5064
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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:1668
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4908
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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:2628
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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:2592
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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:2188
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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:3892
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:432 -
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:980 -
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:3868
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1484
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fc8276a9386d5a768a7993bd140fa493
SHA1ea17e1660a62dcb765dc98c666b740999875c4a2
SHA25624dc6d49b28dbd5788f451c532f23e01a7fba68f3bca6620f3e789bee96d6642
SHA512e784a2f63ee4b5c60d56572197e21a2ffbb69156224f74a901eef057405264de700fd273217080cdc3d48fd9933f80ba7c89e0d8c28105c84781a20982abfc72
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD541fc08b2edb0db0775294283cd42c47f
SHA138e175592073dae01d9415f290cc361156b7e555
SHA2566fdc600eea4a1460d00e75b41ef5788e8f5853b03e801964939c77f81f08a338
SHA51267aab0e288854e222557e3699ac9dc8d9740f86f5c2dd5d3232eeba44a3a836a4d546996b69a34541c449ddb4c40bd708d6f8a838b2473620aa0ba42fa693842
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51cc36735245caf1373d859feb96e218a
SHA1d160a3d08607d1c62373a2364026b2e30dc845f3
SHA256f92a40d06da848783208190e1d22bb8cbe519ac038ab03defde48e93f632f4f8
SHA512b4fb1d294abc6786a341fdb497e0836ee0dbc9800a9118cb9620b87a2eaeca39cfc1c58a93fb67d2df30faf53d72a0786c3a6e7bc4a940e850e393c7b51e4dc2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d9cf9923f5d91509d42bdc006707b297
SHA1b65e560c1c8c72335b7b8b3eba278d243516fed3
SHA256d541046e050c42d118b1e56b24a95ec11d8c055af885f5c52485cc9d98dd6405
SHA512c9165c5ed5e388814cf2da317f849ba98efafc7940dcf02296f53f8fe0fbaab50bf380f0c142710058f0e5c777a7042981592785e600310aae0b96b5e785d17c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e53c9f9fcbc08ba5c8b9b6647aa11a3d
SHA104501806e1b261ac5889a3ede8d3205482f93d19
SHA25648c476cf922842e7b634bd88c511b8b337170541c1b1414c1a525a0df9fe82cc
SHA512a246960ecee65fd55ec7eada71500bebb65438a90b4d883aa430fc2a3c589476f86020aacfb6bec6c58f26f42cab8979fe4f083a2fef34850a169df62ad21d99
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Filesize
4.2MB
MD573375f6b548bfc5264be3f77b4e4acc2
SHA163d1a9f67f531fb100a1f08a4b8c7f68efc085b2
SHA2560bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d
SHA5121977da4569660554b36306da56c87243c12162f3281cc881da75de07a0cc578c5d62ac7a204a2c9f061155740a32f449a98dd0e661fd39191836b7803da48a7a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec