Analysis
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max time kernel
150s -
max time network
129s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-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 behavioral2/memory/3208-2-0x0000000002EF0000-0x00000000037DB000-memory.dmp family_glupteba behavioral2/memory/3208-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3208-78-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3208-109-0x0000000002EF0000-0x00000000037DB000-memory.dmp family_glupteba behavioral2/memory/2932-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2000-194-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2000-209-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2000-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2000-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2000-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2000-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2000-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2000-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2000-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2000-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2000-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2000-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2000-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1704 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2000 csrss.exe 2736 injector.exe 2016 windefender.exe 1520 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000400000002aa2e-204.dat upx behavioral2/memory/2016-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1520-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2016-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1520-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1520-225-0x0000000000400000-0x00000000008DF000-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-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
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 opened for modification C:\Windows\rss 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 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 -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3188 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1276 powershell.exe 568 powershell.exe 1764 powershell.exe 2832 powershell.exe 4076 powershell.exe 904 powershell.exe 4540 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 1396 schtasks.exe 3840 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process 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 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,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab 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,-2411 = "Marquesas Daylight Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.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\Root\CTLs 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,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.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,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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,-2612 = "Bougainville Standard 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,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exepowershell.exe44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1276 powershell.exe 1276 powershell.exe 3208 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 3208 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 568 powershell.exe 568 powershell.exe 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 1764 powershell.exe 1764 powershell.exe 2832 powershell.exe 2832 powershell.exe 4076 powershell.exe 4076 powershell.exe 904 powershell.exe 904 powershell.exe 4540 powershell.exe 4540 powershell.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2000 csrss.exe 2000 csrss.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2000 csrss.exe 2000 csrss.exe 2736 injector.exe 2736 injector.exe 2000 csrss.exe 2000 csrss.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1276 powershell.exe Token: SeDebugPrivilege 3208 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Token: SeImpersonatePrivilege 3208 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe Token: SeDebugPrivilege 568 powershell.exe Token: SeDebugPrivilege 1764 powershell.exe Token: SeDebugPrivilege 2832 powershell.exe Token: SeDebugPrivilege 4076 powershell.exe Token: SeDebugPrivilege 904 powershell.exe Token: SeDebugPrivilege 4540 powershell.exe Token: SeSystemEnvironmentPrivilege 2000 csrss.exe Token: SeSecurityPrivilege 3188 sc.exe Token: SeSecurityPrivilege 3188 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3208 wrote to memory of 1276 3208 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 81 PID 3208 wrote to memory of 1276 3208 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 81 PID 3208 wrote to memory of 1276 3208 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 81 PID 2932 wrote to memory of 568 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 88 PID 2932 wrote to memory of 568 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 88 PID 2932 wrote to memory of 568 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 88 PID 2932 wrote to memory of 2872 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 93 PID 2932 wrote to memory of 2872 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 93 PID 2872 wrote to memory of 1704 2872 cmd.exe 95 PID 2872 wrote to memory of 1704 2872 cmd.exe 95 PID 2932 wrote to memory of 1764 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 96 PID 2932 wrote to memory of 1764 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 96 PID 2932 wrote to memory of 1764 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 96 PID 2932 wrote to memory of 2832 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 98 PID 2932 wrote to memory of 2832 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 98 PID 2932 wrote to memory of 2832 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 98 PID 2932 wrote to memory of 2000 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 100 PID 2932 wrote to memory of 2000 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 100 PID 2932 wrote to memory of 2000 2932 44bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3.exe 100 PID 2000 wrote to memory of 4076 2000 csrss.exe 101 PID 2000 wrote to memory of 4076 2000 csrss.exe 101 PID 2000 wrote to memory of 4076 2000 csrss.exe 101 PID 2000 wrote to memory of 904 2000 csrss.exe 106 PID 2000 wrote to memory of 904 2000 csrss.exe 106 PID 2000 wrote to memory of 904 2000 csrss.exe 106 PID 2000 wrote to memory of 4540 2000 csrss.exe 109 PID 2000 wrote to memory of 4540 2000 csrss.exe 109 PID 2000 wrote to memory of 4540 2000 csrss.exe 109 PID 2000 wrote to memory of 2736 2000 csrss.exe 111 PID 2000 wrote to memory of 2736 2000 csrss.exe 111 PID 2016 wrote to memory of 3788 2016 windefender.exe 117 PID 2016 wrote to memory of 3788 2016 windefender.exe 117 PID 2016 wrote to memory of 3788 2016 windefender.exe 117 PID 3788 wrote to memory of 3188 3788 cmd.exe 118 PID 3788 wrote to memory of 3188 3788 cmd.exe 118 PID 3788 wrote to memory of 3188 3788 cmd.exe 118 -
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:3208 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1276
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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:2932 -
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:568
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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:2872 -
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:1704
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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:1764
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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:2832
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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:2000 -
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:4076
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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:1396
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3196
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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:904
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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:4540
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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:2736
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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:3840
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2016 -
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:3788 -
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:3188
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1520
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
MD52ecdccbf7ce26a7bb4c5d42f0a383658
SHA15863e791bda43d01500c330df2d1d57fd8f6dde1
SHA25682a9b03ebff4147dd111d66c0127469dfa304da62c90f3646467fa67f2a030f8
SHA512b564a04ee25928f62343cfebe7477c4aea1e2c216ccc71e131c4e44cff4aec3001cc374c1dcc07432dc31dd1b55d147adf507ee5dc1f3b108fb79e3bed21dc8c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ff0c4aa66051dfd72508cf1772ed2e5e
SHA1952657eae89d94ab1ebebf19f0aa8661e8162eed
SHA256f2e73f4b142ca5eb02ef580be6b33559448a334ff1a21cf132ada60fef89a251
SHA512f2d19f06e7afab0491d80069cc4a208019e188cbe1996fc117e8cd5d9875205484cc208b67d6c8f93f715209ce481a95b8942bc50ce594fdbf79d8c854eed94c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD547e16fed6c415629099c6704cf044163
SHA19275d93b74879d507af66b07df3e8365104c55df
SHA256f3331ae1e4f402527f76ad3ed35118b0d197047f1623664fdbd1b36f43c597bc
SHA5121d0b5f057b27cbc46dd270fd983e21cdaae656561983e42be8e96af42031a2478d24bf130bb57c026def808bb7bf6900c325b36ec789a9f9027572fd704ee48e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51ff3e545a8ab1076a9c7f1a5d4dea6da
SHA1fca43461c6dbb066bee92244e2e75871bf9f460f
SHA256c089a91f6f35fcf8872d176d9195d38cee578a0c0f66ef16554c2e61cf8f9f74
SHA512b084c926fa7854d362c656fe3da95b3388b98ea741ab99feb2cdd79bb17cbaa581cce42f0560191c021b00adccdb1ff693238e800dd2d3b765d289198c371c3e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59b1dd84ab5e47625fc211c2f17ac8570
SHA1798dbe501cbef1d5e807362e9c70e3850138c239
SHA256cfdbf81892ed76fe2383faa8a0d9b2d040e5d04a7030b3fea9a877348c13e6df
SHA5120f9bc9714dd58e42f3618f89f8fb184e9212a30759b74ccfd3f1d88de69ab08868e90d5031fd012c36711794f203052672dd227985cc8dc467d6bcb7d9d991f8
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Filesize
4.1MB
MD53e77ebc9f0ffd88fc29f1d54b2ea707b
SHA114c19b1dfa8bf6b9cad19d5baf4538f32c7a1cf3
SHA25644bf3812e1f1c604ece8a552b83a1b5a3bfef90085cc6f6eb41f662ef283e7d3
SHA5126ef17d4217e58e197ab634b01ac8cf947988470a6a131db03fe64cce7fa23a3f353c4377b86f058e933dd033e3fb4e23416c9c4cfe6032b2d5e0b5ec9e5b31dd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec