Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
27-04-2024 22:24
Static task
static1
Behavioral task
behavioral1
Sample
2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe
Resource
win10v2004-20240426-en
General
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Target
2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe
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Size
4.2MB
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MD5
25199d55c9d415c843faa9ad9f60f561
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SHA1
2a469e110012160fc397280729b7a5aa01a17f03
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SHA256
2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30
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SHA512
067a570ee6b5f62aa7560dc272152a7cbc28dec7c4cbe3061a6f006a4674a31ed2a0c656cf2afc6c2d0482011f9b4dd03efd27e67d3f253826c75e9380f2fdb9
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SSDEEP
98304:3amOmyh13YwSD+iffg9rOMOczucEEdNxQlfwo87Elwi0PG1b:3Ty8Jy4o9ecZxQhwo8IinPG1b
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/3864-2-0x0000000003E30000-0x000000000471B000-memory.dmp family_glupteba behavioral1/memory/3864-3-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3864-143-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3864-194-0x0000000003E30000-0x000000000471B000-memory.dmp family_glupteba behavioral1/memory/4932-212-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4940-214-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4940-226-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4940-230-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4940-234-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4940-238-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4940-242-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4940-246-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4940-250-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4940-254-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4940-258-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4940-262-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4940-266-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4940-270-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 628 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4940 csrss.exe 3352 injector.exe 4980 windefender.exe 1308 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4980-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1308-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4980-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1308-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1308-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exedescription ioc process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe File created C:\Windows\rss\csrss.exe 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe File created 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 1412 sc.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 2516 schtasks.exe 1900 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exe2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exepowershell.exewindefender.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe 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\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.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,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exepowershell.exe2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4044 powershell.exe 4044 powershell.exe 3864 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe 3864 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe 4280 powershell.exe 4280 powershell.exe 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe 1308 powershell.exe 1308 powershell.exe 1648 powershell.exe 1648 powershell.exe 2492 powershell.exe 2492 powershell.exe 1376 powershell.exe 1376 powershell.exe 4204 powershell.exe 4204 powershell.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 4940 csrss.exe 4940 csrss.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 4940 csrss.exe 4940 csrss.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 4940 csrss.exe 4940 csrss.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe 3352 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4044 powershell.exe Token: SeDebugPrivilege 3864 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Token: SeImpersonatePrivilege 3864 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe Token: SeDebugPrivilege 4280 powershell.exe Token: SeDebugPrivilege 1308 powershell.exe Token: SeDebugPrivilege 1648 powershell.exe Token: SeDebugPrivilege 2492 powershell.exe Token: SeDebugPrivilege 1376 powershell.exe Token: SeDebugPrivilege 4204 powershell.exe Token: SeSystemEnvironmentPrivilege 4940 csrss.exe Token: SeSecurityPrivilege 1412 sc.exe Token: SeSecurityPrivilege 1412 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3864 wrote to memory of 4044 3864 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe powershell.exe PID 3864 wrote to memory of 4044 3864 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe powershell.exe PID 3864 wrote to memory of 4044 3864 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe powershell.exe PID 4932 wrote to memory of 4280 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe powershell.exe PID 4932 wrote to memory of 4280 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe powershell.exe PID 4932 wrote to memory of 4280 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe powershell.exe PID 4932 wrote to memory of 4412 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe cmd.exe PID 4932 wrote to memory of 4412 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe cmd.exe PID 4412 wrote to memory of 628 4412 cmd.exe netsh.exe PID 4412 wrote to memory of 628 4412 cmd.exe netsh.exe PID 4932 wrote to memory of 1308 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe windefender.exe PID 4932 wrote to memory of 1308 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe windefender.exe PID 4932 wrote to memory of 1308 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe windefender.exe PID 4932 wrote to memory of 1648 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe powershell.exe PID 4932 wrote to memory of 1648 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe powershell.exe PID 4932 wrote to memory of 1648 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe powershell.exe PID 4932 wrote to memory of 4940 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe csrss.exe PID 4932 wrote to memory of 4940 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe csrss.exe PID 4932 wrote to memory of 4940 4932 2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe csrss.exe PID 4940 wrote to memory of 2492 4940 csrss.exe powershell.exe PID 4940 wrote to memory of 2492 4940 csrss.exe powershell.exe PID 4940 wrote to memory of 2492 4940 csrss.exe powershell.exe PID 4940 wrote to memory of 1376 4940 csrss.exe powershell.exe PID 4940 wrote to memory of 1376 4940 csrss.exe powershell.exe PID 4940 wrote to memory of 1376 4940 csrss.exe powershell.exe PID 4940 wrote to memory of 4204 4940 csrss.exe powershell.exe PID 4940 wrote to memory of 4204 4940 csrss.exe powershell.exe PID 4940 wrote to memory of 4204 4940 csrss.exe powershell.exe PID 4940 wrote to memory of 3352 4940 csrss.exe injector.exe PID 4940 wrote to memory of 3352 4940 csrss.exe injector.exe PID 4980 wrote to memory of 2244 4980 windefender.exe cmd.exe PID 4980 wrote to memory of 2244 4980 windefender.exe cmd.exe PID 4980 wrote to memory of 2244 4980 windefender.exe cmd.exe PID 2244 wrote to memory of 1412 2244 cmd.exe sc.exe PID 2244 wrote to memory of 1412 2244 cmd.exe sc.exe PID 2244 wrote to memory of 1412 2244 cmd.exe sc.exe -
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\2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe"C:\Users\Admin\AppData\Local\Temp\2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3864 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4044
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C:\Users\Admin\AppData\Local\Temp\2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.exe"C:\Users\Admin\AppData\Local\Temp\2490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30.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:4932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4280
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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:4412 -
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:628
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1308
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1648
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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:4940 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2492
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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:2516
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4552
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1376
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4204
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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:3352
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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:1900
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4980 -
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:2244 -
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:1412
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1308
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aba80501a26d10980065eae52b16e690
SHA1abb64081553b16be42c3c21ed083f03fe237c1b2
SHA256fc0fbaf27c1fb097b17d9778766372937d6a817ef6ce193c4762fe41342230a6
SHA512740a76913c04f0445922d8c339ad8d617ad03fdeff8df32c4cdf578ad305210f2ff929a1311c288a140367847c7f7930d3962120d9004e47753fb061366b1014
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dd5a73731dc35215ceb8dac25c6b8634
SHA1465410160f4f3df3789391372547cc9710eda64b
SHA2562778aa2a16de04eb9fd793509bddf1de4f72785f531175cc4f7b3db874e436c8
SHA512ece4e428fd68473bc98a296a327c3eb89a0ad0bea21e38cdef5d9346773f4e431c1c0992c16caf00dc263af5993db0c3d63ec28f5e694d2e52936d6ad9b12eb5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52db55d6700299779183931723769ee71
SHA1460a2401d70b27a5803485f7ecf715cfcb4907ed
SHA2562b87ed97bd714c3346cf11a4bfa50026bf421ff9c7729b2532317d59f7ee803e
SHA512c6c816ff459aaf0282c8bf96e6166227a7ed621f0c44d19d23cd56dd687b7879307d1cd1ffb1d6d9b355ed6c6e5202ae70332f5be6b83951bdf4a3f193b2423f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52d774bc4030e5a496a42de50ec07c715
SHA185c126c486be61a552adbbec4ba9d0001b7bfe42
SHA2561566e33cb69636b33820a0e1e008e58392172b0375a27254270bbe553d351262
SHA512949e067c9c4ce5455aea1b1d8126fbb099819757492bc67abb45be1a71eff3ef3da8907dbab955d0eb28a8a4c8365c70e6ee7c2dfb43f6323938bc63ed82c465
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fe38ca24ab64764b2f01244b3b1ec1fe
SHA15d1fc0056d09d74ec630be41f08893c11fa129d0
SHA256babae8f65f24fc03f43e89de9e34078bbdd82126f57a3e03b50ea3b8898fc3cd
SHA512027e57eadeaa890e330c144951f438322b56505427a8b4c9cce61f3b599f547f4fa9a1132f6092f1274bb6d5c4e81bd4dad953ed2dbc69622fa564204b54f757
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Filesize
4.2MB
MD525199d55c9d415c843faa9ad9f60f561
SHA12a469e110012160fc397280729b7a5aa01a17f03
SHA2562490571adbf6a93b3fdb842b810c4401b44bda13217974876a16b8c393f49d30
SHA512067a570ee6b5f62aa7560dc272152a7cbc28dec7c4cbe3061a6f006a4674a31ed2a0c656cf2afc6c2d0482011f9b4dd03efd27e67d3f253826c75e9380f2fdb9
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec