Analysis
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max time kernel
150s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:21
Static task
static1
Behavioral task
behavioral1
Sample
52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe
Resource
win10v2004-20240508-en
General
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Target
52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe
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Size
4.1MB
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MD5
02aad7c7d835547c61ced2d9976bf92f
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SHA1
2688d5bf2d12ee8988e0c6efad9b0b1e83610c82
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SHA256
52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40
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SHA512
9a9e325e297f749af26b24483c93a1232128a80489d25271bbeda6ec457834259131d95fad3127e417d08cec6f8c5123f460ad31218a9edb35d4582f5495cc2a
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SSDEEP
98304:lH+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI29:lH+PiSfw6Rz4ejOEAZ44S5J5ww29
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2364-2-0x0000000004410000-0x0000000004CFB000-memory.dmp family_glupteba behavioral1/memory/2364-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-57-0x0000000004410000-0x0000000004CFB000-memory.dmp family_glupteba behavioral1/memory/2364-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1224-133-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/536-221-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/536-222-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/536-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/536-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/536-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/536-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/536-238-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/536-240-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/536-242-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/536-244-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/536-246-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/536-248-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/536-250-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1452 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 536 csrss.exe 2988 injector.exe 2668 windefender.exe 2084 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023436-225.dat upx behavioral1/memory/2668-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2668-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2084-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2084-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2084-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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:
52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe -
Drops file in Windows directory 4 IoCs
Processes:
52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.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 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3116 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2472 powershell.exe 3656 powershell.exe 4984 powershell.exe 2936 powershell.exe 3388 powershell.exe 4396 powershell.exe 644 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 3576 2364 WerFault.exe 81 -
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 8 schtasks.exe 3932 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.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,-601 = "Taipei Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.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,-161 = "Central 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,-571 = "China Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.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" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.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,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.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,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exepowershell.exe52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2936 powershell.exe 2936 powershell.exe 2364 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 2364 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 3388 powershell.exe 3388 powershell.exe 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 4396 powershell.exe 4396 powershell.exe 644 powershell.exe 644 powershell.exe 2472 powershell.exe 2472 powershell.exe 3656 powershell.exe 3656 powershell.exe 4984 powershell.exe 4984 powershell.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 536 csrss.exe 536 csrss.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 536 csrss.exe 536 csrss.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 536 csrss.exe 536 csrss.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe 2988 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2936 powershell.exe Token: SeDebugPrivilege 2364 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Token: SeImpersonatePrivilege 2364 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe Token: SeDebugPrivilege 3388 powershell.exe Token: SeDebugPrivilege 4396 powershell.exe Token: SeDebugPrivilege 644 powershell.exe Token: SeDebugPrivilege 2472 powershell.exe Token: SeDebugPrivilege 3656 powershell.exe Token: SeDebugPrivilege 4984 powershell.exe Token: SeSystemEnvironmentPrivilege 536 csrss.exe Token: SeSecurityPrivilege 3116 sc.exe Token: SeSecurityPrivilege 3116 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2364 wrote to memory of 2936 2364 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 83 PID 2364 wrote to memory of 2936 2364 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 83 PID 2364 wrote to memory of 2936 2364 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 83 PID 1224 wrote to memory of 3388 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 98 PID 1224 wrote to memory of 3388 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 98 PID 1224 wrote to memory of 3388 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 98 PID 1224 wrote to memory of 3292 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 102 PID 1224 wrote to memory of 3292 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 102 PID 3292 wrote to memory of 1452 3292 cmd.exe 104 PID 3292 wrote to memory of 1452 3292 cmd.exe 104 PID 1224 wrote to memory of 4396 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 105 PID 1224 wrote to memory of 4396 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 105 PID 1224 wrote to memory of 4396 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 105 PID 1224 wrote to memory of 644 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 107 PID 1224 wrote to memory of 644 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 107 PID 1224 wrote to memory of 644 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 107 PID 1224 wrote to memory of 536 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 109 PID 1224 wrote to memory of 536 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 109 PID 1224 wrote to memory of 536 1224 52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe 109 PID 536 wrote to memory of 2472 536 csrss.exe 110 PID 536 wrote to memory of 2472 536 csrss.exe 110 PID 536 wrote to memory of 2472 536 csrss.exe 110 PID 536 wrote to memory of 3656 536 csrss.exe 115 PID 536 wrote to memory of 3656 536 csrss.exe 115 PID 536 wrote to memory of 3656 536 csrss.exe 115 PID 536 wrote to memory of 4984 536 csrss.exe 118 PID 536 wrote to memory of 4984 536 csrss.exe 118 PID 536 wrote to memory of 4984 536 csrss.exe 118 PID 536 wrote to memory of 2988 536 csrss.exe 120 PID 536 wrote to memory of 2988 536 csrss.exe 120 PID 2668 wrote to memory of 2332 2668 windefender.exe 128 PID 2668 wrote to memory of 2332 2668 windefender.exe 128 PID 2668 wrote to memory of 2332 2668 windefender.exe 128 PID 2332 wrote to memory of 3116 2332 cmd.exe 129 PID 2332 wrote to memory of 3116 2332 cmd.exe 129 PID 2332 wrote to memory of 3116 2332 cmd.exe 129 -
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\52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe"C:\Users\Admin\AppData\Local\Temp\52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2936
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C:\Users\Admin\AppData\Local\Temp\52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.exe"C:\Users\Admin\AppData\Local\Temp\52454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40.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:1224 -
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:3388
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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:3292 -
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:1452
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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:4396
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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:644
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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:536 -
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:2472
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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:8
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2140
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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:3656
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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:4984
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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:2988
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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:3932
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2668 -
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:2332 -
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:3116
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 8562⤵
- Program crash
PID:3576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2364 -ip 23641⤵PID:2292
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2084
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
MD527edd59d3c4828a5de382d49510d41d9
SHA1b1c225b3435a2163e844185540d2fa9be25f38f9
SHA256739c01e437cdd4811c29e377b3f850013731bb8e52f4a0851bd8aa61a2fe55f9
SHA5120903194b7bbf335a1487d8366a6582c6e775965f6f148fe8b106d7ebed95ecd872bc08409ef835c66ecfb920d8144c6bd41ea003f64789e37c8f622580f829b8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55513a7dcebb55bec1cdc79b4dafb953d
SHA118471d8d0aae95a7d495bef573ef515b28923db6
SHA256c6ab264c43e28ea94690cfdeafc8fd329db08a42537305f9ff04d1c9d59f8d89
SHA512e7541e7ed9e03156441a6ce8be06149183624d174362fb7d8a5908552347385ace4e00a855f01dddb2ec51e02f30b987c9b0a9ca0c9bdcb7453ef99cbf9b5c65
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d2ce26bba92c40dbf819a2e8d7c067d6
SHA15d26534b0d52c7c61cb200fc92f7fc5dff56ea96
SHA2566a5da9da77dd693fe9aff9162edf98d284c7ede6de44d403fea48c30ce6a0fb9
SHA512313c8e7f5b1f5d3354d14ba6ff0950764f8ad03aba6471abc6b9c37cf4566595d5daefe432a829db978e912a50c4fdd45b901d3ce209e103341b1d1b54d0ca8a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57f49dd8d1bfb95b2d46c11069f358c84
SHA1119d35f830c5c0e30e20bd9e9572bc44d86e990b
SHA256356852a39417ca0ce96009a6bdedb687aeedd50774108321ff95edb8265ae815
SHA512d9d84ca3f1dbe7bde4af8f768be861a231fd955d13c4131348bed2f9fb0c63cd6d6e1fb6897ee70d7e4dbb08b2b7643eddbe6691c3543d6ef09207d3e075fae8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c3f147c6924ff6ccf3190aca2530d8e3
SHA16eca9288c32d2c8ff3be6548f9f7977c381ee6a8
SHA25629c4db5cc6f3c353ce087ccb49834d1cadc27d709b1a17838d9e4cda74fa10a5
SHA512ef18696f64179d657f46df3820791699b602e3168bc235b441ca8f47cdb05755618f0073922eb42510fd02d5bb4a14f085d0d0ef5a572560b6236cf9fb173954
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Filesize
4.1MB
MD502aad7c7d835547c61ced2d9976bf92f
SHA12688d5bf2d12ee8988e0c6efad9b0b1e83610c82
SHA25652454f2277e45a76a7a68560ab269b142c48f7158a76345d162a46e9db0aed40
SHA5129a9e325e297f749af26b24483c93a1232128a80489d25271bbeda6ec457834259131d95fad3127e417d08cec6f8c5123f460ad31218a9edb35d4582f5495cc2a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec