Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231025-en -
resource tags
arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system -
submitted
04-11-2023 05:06
Static task
static1
General
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Target
66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe
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Size
4.1MB
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MD5
d3b5a22ea0a89f8b071d9ce2b6e4e2b9
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SHA1
f9199a2f7b04de4289980d8c8523e3830798e1a8
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SHA256
66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b
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SHA512
22f2a42b0028757a16205bb4a447b405afa5e45ea71ce3854045c648bfc77df7381d617f23dd12d4266f43a2bd98ebefedff843754d1f7fac70c56b4ae50f01d
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SSDEEP
98304:YMadPNFAbhg7G/r0kDgYXkvnaCWucyua7YaNu5Fs/:+PfAbfDg9vaCBX1u5u/
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1200-2-0x0000000002ED0000-0x00000000037BB000-memory.dmp family_glupteba behavioral1/memory/1200-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1200-22-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1200-26-0x0000000002ED0000-0x00000000037BB000-memory.dmp family_glupteba behavioral1/memory/1200-60-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3524-63-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3524-94-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3524-162-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4392-245-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4392-267-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4392-276-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4392-279-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4392-282-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4392-285-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4392-289-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4392-291-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4392-294-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4392-297-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4392-307-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2764 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4392 csrss.exe 1940 injector.exe 1860 windefender.exe 3344 windefender.exe 4888 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000022e6f-271.dat upx behavioral1/files/0x0007000000022e6f-273.dat upx behavioral1/files/0x0007000000022e6f-274.dat upx behavioral1/memory/1860-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3344-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3344-284-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0009000000022e18-303.dat upx behavioral1/files/0x0009000000022e18-305.dat upx behavioral1/memory/3344-306-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Set value (str) \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe File created C:\Windows\rss\csrss.exe 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.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.
pid Process 3192 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3428 schtasks.exe 1060 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\1a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\1a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\1a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3344 powershell.exe 3344 powershell.exe 1200 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 1200 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 1560 powershell.exe 1560 powershell.exe 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 2952 powershell.exe 2952 powershell.exe 4792 powershell.exe 4792 powershell.exe 4792 powershell.exe 2456 powershell.exe 2456 powershell.exe 2456 powershell.exe 3736 powershell.exe 3736 powershell.exe 3736 powershell.exe 1100 powershell.exe 1100 powershell.exe 1100 powershell.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 4392 csrss.exe 4392 csrss.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 4392 csrss.exe 4392 csrss.exe 1940 injector.exe 1940 injector.exe 4392 csrss.exe 4392 csrss.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe 1940 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3344 powershell.exe Token: SeDebugPrivilege 1200 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Token: SeImpersonatePrivilege 1200 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe Token: SeDebugPrivilege 1560 powershell.exe Token: SeDebugPrivilege 2952 powershell.exe Token: SeDebugPrivilege 4792 powershell.exe Token: SeDebugPrivilege 2456 powershell.exe Token: SeDebugPrivilege 3736 powershell.exe Token: SeDebugPrivilege 1100 powershell.exe Token: SeSystemEnvironmentPrivilege 4392 csrss.exe Token: SeSecurityPrivilege 3192 sc.exe Token: SeSecurityPrivilege 3192 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1200 wrote to memory of 3344 1200 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 96 PID 1200 wrote to memory of 3344 1200 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 96 PID 1200 wrote to memory of 3344 1200 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 96 PID 3524 wrote to memory of 1560 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 102 PID 3524 wrote to memory of 1560 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 102 PID 3524 wrote to memory of 1560 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 102 PID 3524 wrote to memory of 3836 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 105 PID 3524 wrote to memory of 3836 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 105 PID 3836 wrote to memory of 2764 3836 cmd.exe 107 PID 3836 wrote to memory of 2764 3836 cmd.exe 107 PID 3524 wrote to memory of 2952 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 108 PID 3524 wrote to memory of 2952 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 108 PID 3524 wrote to memory of 2952 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 108 PID 3524 wrote to memory of 4792 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 111 PID 3524 wrote to memory of 4792 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 111 PID 3524 wrote to memory of 4792 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 111 PID 3524 wrote to memory of 4392 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 113 PID 3524 wrote to memory of 4392 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 113 PID 3524 wrote to memory of 4392 3524 66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe 113 PID 4392 wrote to memory of 2456 4392 csrss.exe 114 PID 4392 wrote to memory of 2456 4392 csrss.exe 114 PID 4392 wrote to memory of 2456 4392 csrss.exe 114 PID 4392 wrote to memory of 3736 4392 csrss.exe 121 PID 4392 wrote to memory of 3736 4392 csrss.exe 121 PID 4392 wrote to memory of 3736 4392 csrss.exe 121 PID 4392 wrote to memory of 1100 4392 csrss.exe 124 PID 4392 wrote to memory of 1100 4392 csrss.exe 124 PID 4392 wrote to memory of 1100 4392 csrss.exe 124 PID 4392 wrote to memory of 1940 4392 csrss.exe 127 PID 4392 wrote to memory of 1940 4392 csrss.exe 127 PID 1860 wrote to memory of 3732 1860 windefender.exe 135 PID 1860 wrote to memory of 3732 1860 windefender.exe 135 PID 1860 wrote to memory of 3732 1860 windefender.exe 135 PID 3732 wrote to memory of 3192 3732 cmd.exe 136 PID 3732 wrote to memory of 3192 3732 cmd.exe 136 PID 3732 wrote to memory of 3192 3732 cmd.exe 136 PID 4392 wrote to memory of 4888 4392 csrss.exe 141 PID 4392 wrote to memory of 4888 4392 csrss.exe 141 PID 4392 wrote to memory of 4888 4392 csrss.exe 141 -
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\66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe"C:\Users\Admin\AppData\Local\Temp\66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1200 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3344
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C:\Users\Admin\AppData\Local\Temp\66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.exe"C:\Users\Admin\AppData\Local\Temp\66e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b.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:3524 -
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:1560
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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:3836 -
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:2764
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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:2952
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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:4792
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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:4392 -
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:2456
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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:1060
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1656
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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:3736
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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:1100
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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:1940
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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:3428
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1860 -
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:3732 -
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:3192
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4888
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3344
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD595e260db3f177d4c156eae4434a5fb49
SHA131e3f4550e0712c2c8646ea3327c208c7b824cf7
SHA2569d9cd85e909a30af6a7af34d42e38d663c0c5af1fa230082d3ba61da1eb8dfb8
SHA512dce08d2de56d4b9ce2c8094907eb171c7d177434c6b5bad39609970e8bd7b1bd93273e3bb358aed2d225cc11da6c2f31f2a961059839b8744d2f38a95127d09e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5abfcb3a4aa5398286ce365de7d1a1cee
SHA1dd32c461e1c90222087f0683fb1fbb7298e0a3c4
SHA256e959eb5cbf39d8fd8d5fc574f1864f134c8ecee7880f4c1f54103245dcc710ec
SHA512326e8fb6ee850d8f3ed46e18a3d6ef70f6cb669eaf067bf4e40397ba68be29bf257a918c807580951266c49308be2a854a6cf08611ebcb3253bbea7f862c8eea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bb744ea3d8fc7754fd6720760775eae2
SHA16c03862725d05aef2146c928761ad23c05cce6a3
SHA2568be44ce48b808653fc5cb6fe720df53c162c3737c7593b098f23d75e0ea13efa
SHA512aa700a8c4084fd0705aad4c68e13f23dedf5b54002022536ff4da8deafed8e3af13a1ecbe52cdc35759d459f01309f1149fcca744b83ddce887c350c4e3de816
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54ed9a42640cc7d7188b1f395c045c757
SHA128d3b604f745f6e2c00d50e44811b5ed9585d886
SHA256c43b7c19179734e86bc510d8db06efaab432b1e82f68b2b239a429fe148eef0f
SHA5126ea57f5fbba72028de0dc58f81a53624db45d56839f6e1e09826b4f15893f6546bca2a6a1844dcfc31650ce95329e57843373106c5faa4f3805899992b4de2d4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5845e2eeabf02f7412247fa353043cba6
SHA1037e15b23610b58dc24c70a3504069ee4342285e
SHA2562c4d01fcf617c64bb24220e69226c1859507095d8d8501488771f130208b1cea
SHA5126f5fe3425803651be9a29c99f29e076771d2eeac433157cee5fec5d83887403d5f1e19c8dbfb841574261cffda7b4f3948c40acd6fb571c54601ca9e59f4f234
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Filesize
4.1MB
MD5d3b5a22ea0a89f8b071d9ce2b6e4e2b9
SHA1f9199a2f7b04de4289980d8c8523e3830798e1a8
SHA25666e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b
SHA51222f2a42b0028757a16205bb4a447b405afa5e45ea71ce3854045c648bfc77df7381d617f23dd12d4266f43a2bd98ebefedff843754d1f7fac70c56b4ae50f01d
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Filesize
4.1MB
MD5d3b5a22ea0a89f8b071d9ce2b6e4e2b9
SHA1f9199a2f7b04de4289980d8c8523e3830798e1a8
SHA25666e5b352fdff55f13fed62267ffde38ce8fcf2a63062e3f2ab7aca95474e263b
SHA51222f2a42b0028757a16205bb4a447b405afa5e45ea71ce3854045c648bfc77df7381d617f23dd12d4266f43a2bd98ebefedff843754d1f7fac70c56b4ae50f01d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec