Analysis
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max time kernel
150s -
max time network
142s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
09-05-2024 07:29
Static task
static1
Behavioral task
behavioral1
Sample
573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe
Resource
win10v2004-20240508-en
General
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Target
573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe
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Size
4.1MB
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MD5
7d3f7dde68840c7be1a7b0ae5b7cf39a
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SHA1
ac6c581f9e0899c7499e4bda3958f329bc977b31
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SHA256
573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c
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SHA512
b00c86164afec67b0714744523a860192672a7bbbe9cbd16034d0b585757389b703deace9fa05966dae6247728f5c9ac981b944e2e930425c8c4c3499cbda74d
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SSDEEP
98304:M8tvyuU58PjKrWFJSooNQA2k8bPN+CEev5WXkGYwFdaf:3Uuy8PNJWwxbPN3EK4Daf
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2656-2-0x00000000050C0000-0x00000000059AB000-memory.dmp family_glupteba behavioral2/memory/2656-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2656-49-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/2656-73-0x00000000050C0000-0x00000000059AB000-memory.dmp family_glupteba behavioral2/memory/3580-98-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/2656-120-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3580-137-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/2740-172-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/2740-203-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/2740-215-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/2740-219-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/2740-223-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/2740-227-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/2740-231-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/2740-235-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/2740-239-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/2740-243-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/2740-247-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba behavioral2/memory/2740-251-0x0000000000400000-0x0000000002EE2000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1884 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2740 csrss.exe 4204 injector.exe 428 windefender.exe 4428 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa01-206.dat upx behavioral2/memory/428-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/428-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4428-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4428-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4428-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe File created C:\Windows\rss\csrss.exe 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.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 2044 sc.exe -
pid Process 2112 powershell.exe 2652 powershell.exe 4420 powershell.exe 3516 powershell.exe 3252 powershell.exe 3332 powershell.exe 4908 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 5000 schtasks.exe 4952 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.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\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,-2041 = "Eastern Daylight Time (Mexico)" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.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" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.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,-1821 = "Russia TZ 1 Daylight Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka 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,-2892 = "Sudan 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,-842 = "Argentina Standard Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2112 powershell.exe 2112 powershell.exe 2656 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 2656 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 2652 powershell.exe 2652 powershell.exe 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 4420 powershell.exe 4420 powershell.exe 3516 powershell.exe 3516 powershell.exe 3252 powershell.exe 3252 powershell.exe 3332 powershell.exe 3332 powershell.exe 4908 powershell.exe 4908 powershell.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 2740 csrss.exe 2740 csrss.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 2740 csrss.exe 2740 csrss.exe 4204 injector.exe 4204 injector.exe 2740 csrss.exe 2740 csrss.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2112 powershell.exe Token: SeDebugPrivilege 2656 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Token: SeImpersonatePrivilege 2656 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe Token: SeDebugPrivilege 2652 powershell.exe Token: SeDebugPrivilege 4420 powershell.exe Token: SeDebugPrivilege 3516 powershell.exe Token: SeDebugPrivilege 3252 powershell.exe Token: SeDebugPrivilege 3332 powershell.exe Token: SeDebugPrivilege 4908 powershell.exe Token: SeSystemEnvironmentPrivilege 2740 csrss.exe Token: SeSecurityPrivilege 2044 sc.exe Token: SeSecurityPrivilege 2044 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2656 wrote to memory of 2112 2656 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 81 PID 2656 wrote to memory of 2112 2656 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 81 PID 2656 wrote to memory of 2112 2656 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 81 PID 3580 wrote to memory of 2652 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 86 PID 3580 wrote to memory of 2652 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 86 PID 3580 wrote to memory of 2652 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 86 PID 3580 wrote to memory of 3120 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 88 PID 3580 wrote to memory of 3120 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 88 PID 3120 wrote to memory of 1884 3120 cmd.exe 90 PID 3120 wrote to memory of 1884 3120 cmd.exe 90 PID 3580 wrote to memory of 4420 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 91 PID 3580 wrote to memory of 4420 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 91 PID 3580 wrote to memory of 4420 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 91 PID 3580 wrote to memory of 3516 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 93 PID 3580 wrote to memory of 3516 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 93 PID 3580 wrote to memory of 3516 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 93 PID 3580 wrote to memory of 2740 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 95 PID 3580 wrote to memory of 2740 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 95 PID 3580 wrote to memory of 2740 3580 573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe 95 PID 2740 wrote to memory of 3252 2740 csrss.exe 96 PID 2740 wrote to memory of 3252 2740 csrss.exe 96 PID 2740 wrote to memory of 3252 2740 csrss.exe 96 PID 2740 wrote to memory of 3332 2740 csrss.exe 102 PID 2740 wrote to memory of 3332 2740 csrss.exe 102 PID 2740 wrote to memory of 3332 2740 csrss.exe 102 PID 2740 wrote to memory of 4908 2740 csrss.exe 104 PID 2740 wrote to memory of 4908 2740 csrss.exe 104 PID 2740 wrote to memory of 4908 2740 csrss.exe 104 PID 2740 wrote to memory of 4204 2740 csrss.exe 106 PID 2740 wrote to memory of 4204 2740 csrss.exe 106 PID 428 wrote to memory of 4964 428 windefender.exe 112 PID 428 wrote to memory of 4964 428 windefender.exe 112 PID 428 wrote to memory of 4964 428 windefender.exe 112 PID 4964 wrote to memory of 2044 4964 cmd.exe 113 PID 4964 wrote to memory of 2044 4964 cmd.exe 113 PID 4964 wrote to memory of 2044 4964 cmd.exe 113 -
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\573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe"C:\Users\Admin\AppData\Local\Temp\573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2656 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2112
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C:\Users\Admin\AppData\Local\Temp\573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.exe"C:\Users\Admin\AppData\Local\Temp\573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c.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:3580 -
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:2652
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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:3120 -
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:1884
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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:4420
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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:3516
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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:2740 -
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:3252
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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:5000
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3244
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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:3332
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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:4908
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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:4204
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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:4952
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:428 -
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:4964 -
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:2044
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4428
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD581cad83cde90a79423ed7e9b01f35c4d
SHA1aa9e917d8093c6f924de03bc4450c45af352b8ff
SHA2566e13a379c382a3cb6f99bc9487e5a6641edcd3b6ac4fb6b93cc031775e846815
SHA512d56cefca5501209f762a9641b63596c6c23ba53993b5a655bf3559b5f6ebc9ed2f8836b493d373c67391269716ffbdb0270a02985e861e93dd32a2b1cef77e5b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54b11b9391c79dd023fd7d212d1e7e241
SHA1f8108f2aeeb7aa08530acf3057efdcb2979066f8
SHA256e2e2c1436d70295598c42be26e02a89803c6eb7630174f188ec322ecd5fadbef
SHA512f98ac47645cd3096c9310974ae2f495424351efe74d5f3c0a359db6c8f896f9a2388b936c4401d5e40387061ad3bd1cdb0c484314aed99ec699b18b5bc01e57f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5910385a9d284956ac3ec46b4d96cd9e9
SHA13a9c1c1f8bd290fad3d46186bf26d6bd95aabbf3
SHA25608df64f5c2e8b08a89842613c5b4d879adbfb301563e3d02a6c73539b6154bef
SHA512dd2b556a60b70792db1c3a94abff8343c5f2305e5476254d528c21f92ab228c0e5583ef04aa8b6efd6814c78ab8e4a62a50777400d07d19d88fc20e06c3458f2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57f9e1e96de81a6b69f84bc12180c2bd3
SHA132d0154aa2e9d31fe851a000704bb2612f2da14c
SHA256fea520fdabc9f0a8b6356ec4e61e900c0696f3d8b95dcd8f76c204a0e080340e
SHA512b80cea24fa992911cdfecf96d74a65104961e0c5add5cae2078a8c85bebaaf125f8462d52a81af087cde9e55a6a29b8ec99603b8c374b640fcd0e957cb19c946
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f63bf7c5bc9e111d2bb7572b2bfb946c
SHA15c445995e1b9e52415588f4495887da23870066a
SHA256b0c4d955363b919f30ad550e994ef6db7ac9082ba08ad7d54c95add1662d1c11
SHA512cf636ce2c340f3c8130495576e30b004c5c9603e24b4252e2db50c827650997dcc6804354826c7ae1892a030b3d4e564f77db50216c1921339602929443ceef7
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Filesize
4.1MB
MD57d3f7dde68840c7be1a7b0ae5b7cf39a
SHA1ac6c581f9e0899c7499e4bda3958f329bc977b31
SHA256573882bde7aaf51acd56ce1c6d08f3e9dd0f02483a34db1c861e742ba3ed287c
SHA512b00c86164afec67b0714744523a860192672a7bbbe9cbd16034d0b585757389b703deace9fa05966dae6247728f5c9ac981b944e2e930425c8c4c3499cbda74d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec