Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
20/03/2024, 01:22
Static task
static1
Behavioral task
behavioral1
Sample
abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe
Resource
win10v2004-20240226-en
General
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Target
abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe
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Size
4.1MB
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MD5
eeb42c9a9654a84f462b925ae674e416
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SHA1
baf484515e6052c313052095ecb0ace5be4f8025
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SHA256
abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d
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SHA512
6c9ebb7662fd7af91b24ff6ddc4f5be97eed9180f99c907ec4ab2b389c9f76914c8340cea57128034ef62f294cb7c63d042c318eda210d157e3a8126b3619956
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SSDEEP
98304:XAxTlyOTL5mqpqOXdOoi6ydg2HDBKUyY+HpMgEJhHN:ydhXd682jBc2gMlN
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1524-2-0x0000000002F30000-0x000000000381B000-memory.dmp family_glupteba behavioral1/memory/1524-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-57-0x0000000002FF0000-0x00000000038DB000-memory.dmp family_glupteba behavioral1/memory/4864-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1524-62-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4864-155-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4788-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4788-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4788-267-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4788-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4788-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4788-276-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4788-279-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4788-282-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4788-285-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4788-288-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4788-291-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4788-294-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4788-297-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2928 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4788 csrss.exe 464 injector.exe 4860 windefender.exe 4792 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002334a-257.dat upx behavioral1/memory/4860-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4792-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4792-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4792-281-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\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 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe File created C:\Windows\rss\csrss.exe abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.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 2724 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 2988 schtasks.exe 4880 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.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\22\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\22\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1132 powershell.exe 1132 powershell.exe 1524 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 1524 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 2324 powershell.exe 2324 powershell.exe 2324 powershell.exe 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 2008 powershell.exe 2008 powershell.exe 2008 powershell.exe 1656 powershell.exe 1656 powershell.exe 1656 powershell.exe 3524 powershell.exe 3524 powershell.exe 3524 powershell.exe 4856 powershell.exe 4856 powershell.exe 4856 powershell.exe 1132 powershell.exe 1132 powershell.exe 1132 powershell.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 4788 csrss.exe 4788 csrss.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 4788 csrss.exe 4788 csrss.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 4788 csrss.exe 4788 csrss.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe 464 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1132 powershell.exe Token: SeDebugPrivilege 1524 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Token: SeImpersonatePrivilege 1524 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe Token: SeDebugPrivilege 2324 powershell.exe Token: SeDebugPrivilege 2008 powershell.exe Token: SeDebugPrivilege 1656 powershell.exe Token: SeDebugPrivilege 3524 powershell.exe Token: SeDebugPrivilege 4856 powershell.exe Token: SeDebugPrivilege 1132 powershell.exe Token: SeSystemEnvironmentPrivilege 4788 csrss.exe Token: SeSecurityPrivilege 2724 sc.exe Token: SeSecurityPrivilege 2724 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1524 wrote to memory of 1132 1524 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 123 PID 1524 wrote to memory of 1132 1524 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 123 PID 1524 wrote to memory of 1132 1524 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 123 PID 4864 wrote to memory of 2324 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 102 PID 4864 wrote to memory of 2324 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 102 PID 4864 wrote to memory of 2324 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 102 PID 4864 wrote to memory of 1076 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 106 PID 4864 wrote to memory of 1076 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 106 PID 1076 wrote to memory of 2928 1076 cmd.exe 108 PID 1076 wrote to memory of 2928 1076 cmd.exe 108 PID 4864 wrote to memory of 2008 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 109 PID 4864 wrote to memory of 2008 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 109 PID 4864 wrote to memory of 2008 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 109 PID 4864 wrote to memory of 1656 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 111 PID 4864 wrote to memory of 1656 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 111 PID 4864 wrote to memory of 1656 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 111 PID 4864 wrote to memory of 4788 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 113 PID 4864 wrote to memory of 4788 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 113 PID 4864 wrote to memory of 4788 4864 abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe 113 PID 4788 wrote to memory of 3524 4788 csrss.exe 114 PID 4788 wrote to memory of 3524 4788 csrss.exe 114 PID 4788 wrote to memory of 3524 4788 csrss.exe 114 PID 4788 wrote to memory of 4856 4788 csrss.exe 121 PID 4788 wrote to memory of 4856 4788 csrss.exe 121 PID 4788 wrote to memory of 4856 4788 csrss.exe 121 PID 4788 wrote to memory of 1132 4788 csrss.exe 123 PID 4788 wrote to memory of 1132 4788 csrss.exe 123 PID 4788 wrote to memory of 1132 4788 csrss.exe 123 PID 4788 wrote to memory of 464 4788 csrss.exe 125 PID 4788 wrote to memory of 464 4788 csrss.exe 125 PID 4860 wrote to memory of 640 4860 windefender.exe 131 PID 4860 wrote to memory of 640 4860 windefender.exe 131 PID 4860 wrote to memory of 640 4860 windefender.exe 131 PID 640 wrote to memory of 2724 640 cmd.exe 132 PID 640 wrote to memory of 2724 640 cmd.exe 132 PID 640 wrote to memory of 2724 640 cmd.exe 132 -
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\abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe"C:\Users\Admin\AppData\Local\Temp\abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1132
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C:\Users\Admin\AppData\Local\Temp\abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.exe"C:\Users\Admin\AppData\Local\Temp\abd4cc3736b9dbe816c2fbc2ad0725330022ddd74228744487d77eb80e20350d.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:4864 -
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:2324
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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:1076 -
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:2928
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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:2008
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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:1656
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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:4788 -
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:3524
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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:2988
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3984
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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:4856
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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:1132
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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:464
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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:4880
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4860 -
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:640 -
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:2724
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4792
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
160KB
MD500b5e3f304e24ca03c71581fdee4e7dd
SHA145620bb62dbb4560f1e57aff3d8b69d24b9f308e
SHA256325075762f3124c71d37a5a59b790d8ed605469cec059270a96e765c9bc5365b
SHA512abcc2537b3045db73e389d42520a0728f308f8187dec123f66b28d0db6c6230a7df11da1af4e05b37f55afc38fed0f6705297b1d19391d513936c3413c285348
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Filesize
99KB
MD57057194ec6d015d033eae5a02be0eeb3
SHA199bec3df7d41838f6baa920ff6ab911a68293ec3
SHA256179a55821d2955fa5353ae57b4262433b6d2e0fce23d211d0955b7b74673bad8
SHA51255d0e89e041ec93b62327c9c0fd9290852bfdfa9a415e6f7a46d3cf5e6b8cb272160c76f79bd835835071fdb1fa42c6295b927f8820ae1a1fe43f4def2ba42a7
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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
MD5cc21dff21c3075d022b274cff3e2f8fe
SHA1d311e124da3b83363e6a1ab849a563a3affd6775
SHA25643094e562e8ca8d5aec3d00a677c12c6e9038d18aae29e2ee5ef360c9c23d1f8
SHA51230c2d9e84bb016aab5c2b05b23d22183ca9e0eeda4d7c1a3ce3fed69b4704a20400e8c149eb75558396f861d36aae4f37073bc8d91e23c502b2e930d16992419
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dc5715d01bcf06e5af8fd3ab0c6e5844
SHA12650ac6c346b68f4e5060140fe4d9e92ffe0dc28
SHA25683434c339a97447d1755d69456a510c65f6ed46386ce852171e4cd312db1d2cb
SHA5120874c0fcfea665f03ebf2aba97077744ea31e5051e03e8ca1dceb6021e52d34e7301679499d45727929136e71279910ca58cd14c30d57005056c9f820f11132d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD542c650c1fc34d233e856d7ce72af783d
SHA1d4101de022c0a48da5127a17232f8909886ca2dd
SHA256e4b94d123c0f6e30c4abed5441da3870188e62533da5c667f2b1cfcad685138c
SHA5123077d3051e0f9ee765058b2c71a97409fa9145fc90c0309b15b4f4177b60a444cf6990e21e40c9ded156187132c467b10c53252cf67a23365a7c87bfb14f16fe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5accafafa6bc91059f7bc5270edd2abcf
SHA1a00129f1bb8b3a2bbd7d130073086b16229b7c1b
SHA256ce4b654563bf9d73a7599ead89065470b7a225234478086fb4141da289f91106
SHA5121786ee168d3645c53102c81ffaf669d51c2d6eb7a3b0b466bfb07ad36daf005732a47f5d3fbf05e8c8b96c38441228e7d327560b1128aa02d6fad1b496d0dc99
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a67a9ade14ba45d6d13a34adcc999c75
SHA13c722c5d6600b07236e0c5e1fea936691a71b15a
SHA256157a66b32b9123e4b77ef13073292d35d673d8ddc1193e034eb82f9c08564f31
SHA51291285bf379372ed2633e9a3292aa095bcd900e8764a05df1b3237a59a0d089c617f98001bb6580c0d8019dbcef4367566fd31ca6bf1a459f4ea142ecad12163a
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Filesize
273KB
MD523f8f896189e0ee26791d8cc0b74bb6d
SHA1296934ddee3af52575a1b26662b224b9c3e93ef1
SHA25667b7baa8b6b210d5bd0c53c603068b1704df919273d17f2cca8a7c77929f9f0e
SHA5121e3a17cfcdb0ac7cc36b528450b114313c3175699ec68e109f1d2c24470f5316c9364746302341a319004f69044ba7b4e46103d261b67439bcecf8006fdde39d
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Filesize
315KB
MD56cf4663ce5903e154a28f558c887ee93
SHA171924ff5bb0f32eb5a6d20443fa57f6ada270bc8
SHA2561b8be09d9ae201ec53beb7dd74b4f44e5183fa1ada248f5b7038c0c4de3bfe8a
SHA512a1012bfbe405b9ebc11a4e5a0b0e1cf83ee76d878514a1d3b6f0163a1955328711fcb176060a424bd629a1c10b962f3241a16ba63c6ac4f1368a8f67c921f2d3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec