Analysis
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max time kernel
150s -
max time network
134s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-05-2024 04:05
Static task
static1
Behavioral task
behavioral1
Sample
236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe
Resource
win10v2004-20240426-en
General
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Target
236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe
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Size
4.1MB
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MD5
8d11584a0f9ddf018dfe251b4056f0c5
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SHA1
003c96af85b43ad078ace55f6599749f5b00e90e
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SHA256
236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c
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SHA512
637a3426631575283546e95ba2214d4bdbb7746f647f38d5027d960f9835f5e00f33e9fdf0c9031bae17b0d424ffd0b34f7a97751d0ec4762b46cd3a17d72d3f
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SSDEEP
98304:uQAQcsa3GhfWYEvpb4LdECaqY+VYhFzXw/u5g9cAd9nO:uQAQcDPYxuCJe7X5ghfO
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3564-2-0x0000000004A90000-0x000000000537B000-memory.dmp family_glupteba behavioral2/memory/3564-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3564-72-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3564-78-0x0000000004A90000-0x000000000537B000-memory.dmp family_glupteba behavioral2/memory/1572-124-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3564-128-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3568-195-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3568-202-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3568-214-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3568-217-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3568-220-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3568-223-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3568-226-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3568-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3568-232-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3568-234-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3568-238-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3568-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5068 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3568 csrss.exe 2160 injector.exe 4836 windefender.exe 1884 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab2a-205.dat upx behavioral2/memory/4836-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1884-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4836-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1884-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1884-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 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 -
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 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe File created C:\Windows\rss\csrss.exe 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4016 sc.exe -
pid Process 2072 powershell.exe 2296 powershell.exe 2380 powershell.exe 3112 powershell.exe 2468 powershell.exe 3416 powershell.exe 4648 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2300 schtasks.exe 3448 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.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,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.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,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\2a\52C64B7E\@tzres.dll,-892 = "Morocco 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe 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,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2380 powershell.exe 2380 powershell.exe 3564 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 3564 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 3112 powershell.exe 3112 powershell.exe 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 2468 powershell.exe 2468 powershell.exe 3416 powershell.exe 3416 powershell.exe 4648 powershell.exe 4648 powershell.exe 2072 powershell.exe 2072 powershell.exe 2296 powershell.exe 2296 powershell.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 3568 csrss.exe 3568 csrss.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 3568 csrss.exe 3568 csrss.exe 2160 injector.exe 2160 injector.exe 3568 csrss.exe 3568 csrss.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe 2160 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2380 powershell.exe Token: SeDebugPrivilege 3564 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Token: SeImpersonatePrivilege 3564 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe Token: SeDebugPrivilege 3112 powershell.exe Token: SeDebugPrivilege 2468 powershell.exe Token: SeDebugPrivilege 3416 powershell.exe Token: SeDebugPrivilege 4648 powershell.exe Token: SeDebugPrivilege 2072 powershell.exe Token: SeDebugPrivilege 2296 powershell.exe Token: SeSystemEnvironmentPrivilege 3568 csrss.exe Token: SeSecurityPrivilege 4016 sc.exe Token: SeSecurityPrivilege 4016 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3564 wrote to memory of 2380 3564 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 82 PID 3564 wrote to memory of 2380 3564 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 82 PID 3564 wrote to memory of 2380 3564 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 82 PID 1572 wrote to memory of 3112 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 87 PID 1572 wrote to memory of 3112 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 87 PID 1572 wrote to memory of 3112 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 87 PID 1572 wrote to memory of 2436 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 89 PID 1572 wrote to memory of 2436 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 89 PID 2436 wrote to memory of 5068 2436 cmd.exe 91 PID 2436 wrote to memory of 5068 2436 cmd.exe 91 PID 1572 wrote to memory of 2468 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 92 PID 1572 wrote to memory of 2468 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 92 PID 1572 wrote to memory of 2468 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 92 PID 1572 wrote to memory of 3416 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 94 PID 1572 wrote to memory of 3416 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 94 PID 1572 wrote to memory of 3416 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 94 PID 1572 wrote to memory of 3568 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 96 PID 1572 wrote to memory of 3568 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 96 PID 1572 wrote to memory of 3568 1572 236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe 96 PID 3568 wrote to memory of 4648 3568 csrss.exe 97 PID 3568 wrote to memory of 4648 3568 csrss.exe 97 PID 3568 wrote to memory of 4648 3568 csrss.exe 97 PID 3568 wrote to memory of 2072 3568 csrss.exe 103 PID 3568 wrote to memory of 2072 3568 csrss.exe 103 PID 3568 wrote to memory of 2072 3568 csrss.exe 103 PID 3568 wrote to memory of 2296 3568 csrss.exe 105 PID 3568 wrote to memory of 2296 3568 csrss.exe 105 PID 3568 wrote to memory of 2296 3568 csrss.exe 105 PID 3568 wrote to memory of 2160 3568 csrss.exe 107 PID 3568 wrote to memory of 2160 3568 csrss.exe 107 PID 4836 wrote to memory of 4700 4836 windefender.exe 113 PID 4836 wrote to memory of 4700 4836 windefender.exe 113 PID 4836 wrote to memory of 4700 4836 windefender.exe 113 PID 4700 wrote to memory of 4016 4700 cmd.exe 114 PID 4700 wrote to memory of 4016 4700 cmd.exe 114 PID 4700 wrote to memory of 4016 4700 cmd.exe 114 -
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\236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe"C:\Users\Admin\AppData\Local\Temp\236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3564 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2380
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C:\Users\Admin\AppData\Local\Temp\236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.exe"C:\Users\Admin\AppData\Local\Temp\236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c.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:1572 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3112
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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:2436 -
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:5068
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2468
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3416
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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:3568 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4648
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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:2300
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3256
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2072
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2296
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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:2160
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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:3448
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4836 -
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:4700 -
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:4016
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1884
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
MD5292e08e653f7fff7e7959992d6253308
SHA121239360e2133c40a52f90afe059735107f6d720
SHA2563a14b3a63a5d1fe2bc0fc559889f22e2fc380ee35fc42fee4f72ae68ed9602c8
SHA51287e114d8fde6c156ee9c8f414d9d662553663779f087c7ac939dd5d4b17f799b74d72534297459bfcacad903bb0eb860739a2a4b9f1487ff4c4087ab05a6234c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5197f8d47aa33d4c70ea2fe527382aa25
SHA1dcc2723c1412e8db187590e38a7b47172832df35
SHA256602130cdf17364fa6f30ad566916c75010bcb43ccd4b87c5ac9af5185a3b9756
SHA51284b4d1e30a4007cdd9bded01b437b3398472056912c7e94d39c31b6214b007181d26caeee608f1bc6ac8f56e0e725ddb08b09f1493cfed925ffad032f8edcc85
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD511c206b13bb368049ae0a1fdd3f8454c
SHA11e9990ca6f980c66becd25c3d84160e07c554fdf
SHA2567d14db78ac9728c4bceacf380382472ac41c268b860fd8ec481876abd7930b23
SHA512064a5638e20b17e126893bfd9ca31aad744bb40be84d3f4996b2c1479ad38a25daf3e7003c5a60d22a946ec938cfc04a344c034db67d5638c66fb1d06be61390
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD518a89a7bbece6943514a1a17e72f715d
SHA17724cca5098466fa8c88103ef76fe4cddb96d519
SHA256d85039da4688de6afdaa520af77a4a82fbec39c733655b4eaf1d4b9f53e0ef29
SHA51280aafcbd8c065d8cedeaac198acf258bacaf4f39f5ebe645278995c09f7f109ba311b0af796496aea00d19b8972aa7d44bbe345046278e08ca32951715376839
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ed9b08680689aabe9d6dc4171f3792db
SHA121690e4e30bcc316496ca0fad1e3f07b8e79c5c6
SHA256454f013d005503ae3824369b3e3c80047eaf02997954bcaa6d89973e1be3f482
SHA512bd97f5f9b5980b80cdc2a24d91e101e608cac4b42d4f040d2da44347426fa14f80b6b13865c127d9b73c75a00d034216d11c1c12e50b0d136ddac85f47f53e07
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Filesize
4.1MB
MD58d11584a0f9ddf018dfe251b4056f0c5
SHA1003c96af85b43ad078ace55f6599749f5b00e90e
SHA256236f4b0d753ceec77a521e36e6c1ce9495261eaf563a62e96447ddbf2313c42c
SHA512637a3426631575283546e95ba2214d4bdbb7746f647f38d5027d960f9835f5e00f33e9fdf0c9031bae17b0d424ffd0b34f7a97751d0ec4762b46cd3a17d72d3f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec