Analysis
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max time kernel
150s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 10:00
Static task
static1
Behavioral task
behavioral1
Sample
44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe
Resource
win10v2004-20240426-en
General
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Target
44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe
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Size
4.1MB
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MD5
3e77ebc9f0ffd88fc29f1d54b2ea707b
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SHA1
14c19b1dfa8bf6b9cad19d5baf4538f32c7a1cf3
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SHA256
44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3
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SHA512
6ef17d4217e58e197ab634b01ac8cf947988470a6a131db03fe64cce7fa23a3f353c4377b86f058e933dd033e3fb4e23416c9c4cfe6032b2d5e0b5ec9e5b31dd
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SSDEEP
98304:VH49zrfgobu9aDMWAg4dPDb/NQHvakIF/A8L3rqLZk5t2qZ3qL2LAZ5n:8r7OagDbOPW/F2k5tRZaLrJ
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/932-2-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/932-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/932-57-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/932-82-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1168-158-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1720-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1720-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1720-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1720-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1720-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1720-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1720-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1720-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1720-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1720-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1720-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1720-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1720-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4980 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1720 csrss.exe 4784 injector.exe 4572 windefender.exe 4708 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023428-220.dat upx behavioral1/memory/4572-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4708-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4572-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4708-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4708-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe -
Drops file in Windows directory 4 IoCs
Processes:
44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3928 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2228 powershell.exe 1052 powershell.exe 4040 powershell.exe 3056 powershell.exe 5104 powershell.exe 3216 powershell.exe 3484 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 4364 schtasks.exe 3016 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exewindefender.exe44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central 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\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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\Root\Certificates powershell.exe 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\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.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\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-434 = "Georgian Daylight 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,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.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,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-222 = "Alaskan Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exepowershell.exe44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2228 powershell.exe 2228 powershell.exe 932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 1052 powershell.exe 1052 powershell.exe 1052 powershell.exe 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 4040 powershell.exe 4040 powershell.exe 4040 powershell.exe 3056 powershell.exe 3056 powershell.exe 5104 powershell.exe 5104 powershell.exe 3216 powershell.exe 3216 powershell.exe 3216 powershell.exe 3484 powershell.exe 3484 powershell.exe 3484 powershell.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 1720 csrss.exe 1720 csrss.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 1720 csrss.exe 1720 csrss.exe 4784 injector.exe 4784 injector.exe 1720 csrss.exe 1720 csrss.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2228 powershell.exe Token: SeDebugPrivilege 932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Token: SeImpersonatePrivilege 932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Token: SeDebugPrivilege 1052 powershell.exe Token: SeDebugPrivilege 4040 powershell.exe Token: SeDebugPrivilege 3056 powershell.exe Token: SeDebugPrivilege 5104 powershell.exe Token: SeDebugPrivilege 3216 powershell.exe Token: SeDebugPrivilege 3484 powershell.exe Token: SeSystemEnvironmentPrivilege 1720 csrss.exe Token: SeSecurityPrivilege 3928 sc.exe Token: SeSecurityPrivilege 3928 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 932 wrote to memory of 2228 932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 88 PID 932 wrote to memory of 2228 932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 88 PID 932 wrote to memory of 2228 932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 88 PID 1168 wrote to memory of 1052 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 97 PID 1168 wrote to memory of 1052 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 97 PID 1168 wrote to memory of 1052 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 97 PID 1168 wrote to memory of 3048 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 102 PID 1168 wrote to memory of 3048 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 102 PID 3048 wrote to memory of 4980 3048 cmd.exe 104 PID 3048 wrote to memory of 4980 3048 cmd.exe 104 PID 1168 wrote to memory of 4040 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 105 PID 1168 wrote to memory of 4040 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 105 PID 1168 wrote to memory of 4040 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 105 PID 1168 wrote to memory of 3056 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 107 PID 1168 wrote to memory of 3056 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 107 PID 1168 wrote to memory of 3056 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 107 PID 1168 wrote to memory of 1720 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 109 PID 1168 wrote to memory of 1720 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 109 PID 1168 wrote to memory of 1720 1168 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 109 PID 1720 wrote to memory of 5104 1720 csrss.exe 110 PID 1720 wrote to memory of 5104 1720 csrss.exe 110 PID 1720 wrote to memory of 5104 1720 csrss.exe 110 PID 1720 wrote to memory of 3216 1720 csrss.exe 116 PID 1720 wrote to memory of 3216 1720 csrss.exe 116 PID 1720 wrote to memory of 3216 1720 csrss.exe 116 PID 1720 wrote to memory of 3484 1720 csrss.exe 118 PID 1720 wrote to memory of 3484 1720 csrss.exe 118 PID 1720 wrote to memory of 3484 1720 csrss.exe 118 PID 1720 wrote to memory of 4784 1720 csrss.exe 120 PID 1720 wrote to memory of 4784 1720 csrss.exe 120 PID 4572 wrote to memory of 3728 4572 windefender.exe 127 PID 4572 wrote to memory of 3728 4572 windefender.exe 127 PID 4572 wrote to memory of 3728 4572 windefender.exe 127 PID 3728 wrote to memory of 3928 3728 cmd.exe 128 PID 3728 wrote to memory of 3928 3728 cmd.exe 128 PID 3728 wrote to memory of 3928 3728 cmd.exe 128 -
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\44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe"C:\Users\Admin\AppData\Local\Temp\44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2228
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C:\Users\Admin\AppData\Local\Temp\44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe"C:\Users\Admin\AppData\Local\Temp\44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.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:1168 -
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:1052
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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:3048 -
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:4980
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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:4040
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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:3056
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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:1720 -
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:5104
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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:4364
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4064
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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:3216
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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:3484
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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:4784
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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:3016
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4572 -
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:3728 -
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:3928
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4708
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b06cdb7ed144654beba0c0b0b67fec14
SHA149af067d7e6b258e6cb4fde09f9adbfa3a394b8d
SHA25603377df23f9e084f5f6f346db4689cc872d539756537ecf7ba6e59f99ac747ac
SHA5125c4a09289641b77707e36ac808619217aa8f9f173647b4e1f9c8068826fe4c4465aef8e30d60d8b90f787941d1da9502790049730a8a205c369c0ebf97133a3e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d43fb584320344d780a0de162d216b18
SHA1c013953d0158e61c44ba840934fd754c36be379e
SHA25679a31ceb5a280613fd30f0002bd5f6cbcc0e6b5ada421b608a8fef5b18933f91
SHA51298b5df5d7d6e70f38e4c9e032e413182ae37c5c0de8ebc4e2ded02255122f2cc0085d06a1c187bb6341c40e573d0a0b9ad4e5e2d4c5c4230c49dd3486dab3631
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c22f7a33c0fd38700a6701ba10fb5c2
SHA15d66787a54c07164be38869487c8906419adb55b
SHA2564b857a132c8048dced674a39c45b66f6f3f023ab4adc21072269f14aaa2bf1b9
SHA5125acb609ff7365ec2256250e9210b714032320552079be22fcf21637a98f028ef618c546070a09e5418342c4c83b19498ab74553adfecf9febf3d39860e2a6109
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ccc4d83193006f236af6c09ea3d44a4a
SHA171f9863f8fc1f864f46c8c8cfbd4d72008aacbd4
SHA256b61918e7fb90efb155811ac86760f75c9e204ef7fc7e87430e3b598260337ca8
SHA512b89865cdfc4cc28d1df2f02c4c3878457b35583e1ff5d5c5c255cc1ba35cc3f5ce5e23c5dd076e4de0de93313b26bb02bee7baf9815f2eb150afd31c117c1dad
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59434361feb927bf59bfac40c9d11a1e9
SHA15cb2fa485f3be00b35f9d850b274e93117755a48
SHA25631f7caf7bf42f897e4011adbc777a762997d2244e288b3a002421ef8e6b7e676
SHA512ff5f297c4115cfdab4e5fa30fe62745a109a3ca048a1373ef15a9bef56ba7d6e77d95cf7d9579ad28cfba7e91f57d97af0b684f468d6ce63b0902c032281f20c
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Filesize
4.1MB
MD53e77ebc9f0ffd88fc29f1d54b2ea707b
SHA114c19b1dfa8bf6b9cad19d5baf4538f32c7a1cf3
SHA25644bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3
SHA5126ef17d4217e58e197ab634b01ac8cf947988470a6a131db03fe64cce7fa23a3f353c4377b86f058e933dd033e3fb4e23416c9c4cfe6032b2d5e0b5ec9e5b31dd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec