Analysis
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max time kernel
149s -
max time network
145s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 16:23
Static task
static1
Behavioral task
behavioral1
Sample
3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe
Resource
win10v2004-20240426-en
General
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Target
3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe
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Size
4.1MB
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MD5
388bc76f328d80e85a04ce4d3f9681dc
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SHA1
dcb45aaf9d5b1b48ce1045319288dbd6d57c7e7b
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SHA256
3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d
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SHA512
a18eea44b8f96f28e973b8c002d6538cb40d7f179bf3adbd9eaabbba7a990829c21235ba8d4999b7996e5caba548240122a92dff591ae67c626b36a5b83e7ce3
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SSDEEP
98304:5vHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1H:5vHfb2IifudqhIuUHwAjW+5
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/3440-2-0x00000000048F0000-0x00000000051DB000-memory.dmp family_glupteba behavioral2/memory/3440-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3440-119-0x00000000048F0000-0x00000000051DB000-memory.dmp family_glupteba behavioral2/memory/3440-117-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3440-194-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2960-193-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1904-201-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1904-213-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1904-217-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1904-221-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1904-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1904-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1904-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1904-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1904-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1904-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1904-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1904-253-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1904-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3268 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1904 csrss.exe 4860 injector.exe 1760 windefender.exe 1304 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa1d-204.dat upx behavioral2/memory/1760-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1760-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1304-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1304-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1304-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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.
Processes:
3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe -
Drops file in Windows directory 4 IoCs
Processes:
3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe File created C:\Windows\rss\csrss.exe 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.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.
Processes:
sc.exepid Process 4060 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3184 powershell.exe 2292 powershell.exe 3552 powershell.exe 4440 powershell.exe 3768 powershell.exe 3764 powershell.exe 1928 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 4680 schtasks.exe 3744 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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,-402 = "Arabic Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.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,-121 = "SA Pacific Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.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,-2631 = "Norfolk Daylight Time" 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exepowershell.exe3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3184 powershell.exe 3184 powershell.exe 3440 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 3440 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 2292 powershell.exe 2292 powershell.exe 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 3552 powershell.exe 3552 powershell.exe 4440 powershell.exe 4440 powershell.exe 3768 powershell.exe 3768 powershell.exe 3764 powershell.exe 3764 powershell.exe 1928 powershell.exe 1928 powershell.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 1904 csrss.exe 1904 csrss.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 1904 csrss.exe 1904 csrss.exe 4860 injector.exe 4860 injector.exe 1904 csrss.exe 1904 csrss.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe 4860 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3184 powershell.exe Token: SeDebugPrivilege 3440 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Token: SeImpersonatePrivilege 3440 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe Token: SeDebugPrivilege 2292 powershell.exe Token: SeDebugPrivilege 3552 powershell.exe Token: SeDebugPrivilege 4440 powershell.exe Token: SeDebugPrivilege 3768 powershell.exe Token: SeDebugPrivilege 3764 powershell.exe Token: SeDebugPrivilege 1928 powershell.exe Token: SeSystemEnvironmentPrivilege 1904 csrss.exe Token: SeSecurityPrivilege 4060 sc.exe Token: SeSecurityPrivilege 4060 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3440 wrote to memory of 3184 3440 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 82 PID 3440 wrote to memory of 3184 3440 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 82 PID 3440 wrote to memory of 3184 3440 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 82 PID 2960 wrote to memory of 2292 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 88 PID 2960 wrote to memory of 2292 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 88 PID 2960 wrote to memory of 2292 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 88 PID 2960 wrote to memory of 2440 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 90 PID 2960 wrote to memory of 2440 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 90 PID 2440 wrote to memory of 3268 2440 cmd.exe 92 PID 2440 wrote to memory of 3268 2440 cmd.exe 92 PID 2960 wrote to memory of 3552 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 93 PID 2960 wrote to memory of 3552 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 93 PID 2960 wrote to memory of 3552 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 93 PID 2960 wrote to memory of 4440 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 95 PID 2960 wrote to memory of 4440 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 95 PID 2960 wrote to memory of 4440 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 95 PID 2960 wrote to memory of 1904 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 97 PID 2960 wrote to memory of 1904 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 97 PID 2960 wrote to memory of 1904 2960 3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe 97 PID 1904 wrote to memory of 3768 1904 csrss.exe 98 PID 1904 wrote to memory of 3768 1904 csrss.exe 98 PID 1904 wrote to memory of 3768 1904 csrss.exe 98 PID 1904 wrote to memory of 3764 1904 csrss.exe 104 PID 1904 wrote to memory of 3764 1904 csrss.exe 104 PID 1904 wrote to memory of 3764 1904 csrss.exe 104 PID 1904 wrote to memory of 1928 1904 csrss.exe 106 PID 1904 wrote to memory of 1928 1904 csrss.exe 106 PID 1904 wrote to memory of 1928 1904 csrss.exe 106 PID 1904 wrote to memory of 4860 1904 csrss.exe 108 PID 1904 wrote to memory of 4860 1904 csrss.exe 108 PID 1760 wrote to memory of 3104 1760 windefender.exe 114 PID 1760 wrote to memory of 3104 1760 windefender.exe 114 PID 1760 wrote to memory of 3104 1760 windefender.exe 114 PID 3104 wrote to memory of 4060 3104 cmd.exe 115 PID 3104 wrote to memory of 4060 3104 cmd.exe 115 PID 3104 wrote to memory of 4060 3104 cmd.exe 115 -
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\3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe"C:\Users\Admin\AppData\Local\Temp\3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3440 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3184
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C:\Users\Admin\AppData\Local\Temp\3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.exe"C:\Users\Admin\AppData\Local\Temp\3d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d.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:2960 -
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:2292
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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:2440 -
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:3268
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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:3552
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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:4440
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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:1904 -
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:3768
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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:4680
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4568
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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:3764
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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:1928
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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:4860
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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:3744
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1760 -
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:3104 -
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:4060
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1304
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
MD554cd4eefa8d89655d972156e26c180f6
SHA13c01bcfee5ca01f8823cb46c5089a7e1e58af0dd
SHA25672d27ad4279f93fa3b02f74c47785df157a4980405da815ab64b24898ca31e25
SHA512dc4ecb5257ffe3d8ccfab54d16f55e1ad9a102f1c52229d0a71134785d50742a7d4ed0a585e373287d9cc607c1d6dacc7554131b0505d9910974897022eec455
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dc73bc801ec3d6d211ce15a797ac7776
SHA13f9582ee411dba12901d19dea1cefe83cbc79ee4
SHA2568e9dc7b42eb6f4d9a0090af57ad691514efadf06f2070aaf1a108861197f50e3
SHA5123a0c85e4f67667feb29f2e30ee56fd507bf877a1f58e0e197387ce85d3a6513e1e4fa6383aba45f707a5a33ace82da39579aa3128cdbe8cf1c808980d89674d4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD561a4c34acd9d18d0aac2a6573f976387
SHA18820a89f7d1dca50ad502de5dfd6c95b5cd340ff
SHA2566743cc7e91af767c9693b76c35961d84a5ab2f22b93b4049d4bb4506f4a197d1
SHA512af06383be949c4deb5c351e1f6788f540bcf17242cee838367df53e30b4b2df0f80b735b6b7f565ba7be779fd4dd7b5866c5ea272ddd39debcb8a9e53704027c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5de74e539fdbbf83ab790a13050eb0aed
SHA1b22336ed20a6159fdb26c7a7e739c4c8c6861fa8
SHA25681fddb6188c49b492ed35dc25db5a0682391f5943fcc43afdeda317baf86c910
SHA5121ca9e0f50ab54b7e1aaa7d36fbae47cc4bb9102f9fcb390e70999792c5496632439154767118cc3783210eaa0f3e69a0685b424d4ade10715207ec916d801d22
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b925898f466b51bb935cc39f57dc164
SHA1e41764da5d264abe779f950537cb75f9d79b6438
SHA256cfe9458a107d7ac021561e3d5d92097c58da90e391f57089471d32561f5a3025
SHA51245852fd566926a0fbbf359caa122248ae5de147fc9568b962ed79b662e3c192eabd2fbdc2382858a17e0a64af989826a02eccc309e1668892ecfc3a65fda743c
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Filesize
4.1MB
MD5388bc76f328d80e85a04ce4d3f9681dc
SHA1dcb45aaf9d5b1b48ce1045319288dbd6d57c7e7b
SHA2563d22b14cd87f866fc05f4a7c0b186fb78dd0f030c6a12639f3f3f573754be28d
SHA512a18eea44b8f96f28e973b8c002d6538cb40d7f179bf3adbd9eaabbba7a990829c21235ba8d4999b7996e5caba548240122a92dff591ae67c626b36a5b83e7ce3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec