Analysis
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max time kernel
150s -
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
06/04/2024, 13:15
Static task
static1
Behavioral task
behavioral1
Sample
bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe
Resource
win10v2004-20240226-en
General
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Target
bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe
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Size
4.2MB
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MD5
49bdae3d15fb3017349112d1bd4e953e
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SHA1
3cfeed058f6a6fa41e0b84ce409801fe0d60006d
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SHA256
bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199
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SHA512
e7668c81ac8e9d80faf64207b524f5a871be90d6937a38d66168aa85fa7ab428db62677a62e1bc76722cb008a13fd373cfe6cab86feaee9e86ca994da73de181
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SSDEEP
98304:82WkpxOBzrk5qjLCQZfkIPAIpyMRpP26xj6EOgs:1Lg2A3CyMIPAqjZNROP
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/312-2-0x00000000052E0000-0x0000000005BCB000-memory.dmp family_glupteba behavioral1/memory/312-3-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/312-56-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/312-57-0x00000000052E0000-0x0000000005BCB000-memory.dmp family_glupteba behavioral1/memory/4680-59-0x00000000050E0000-0x00000000059CB000-memory.dmp family_glupteba behavioral1/memory/4680-60-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/4680-158-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/4596-259-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/4596-269-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/4596-271-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/4596-275-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/4596-278-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/4596-281-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/4596-284-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/4596-287-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/4596-290-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/4596-292-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/4596-295-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2732 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4596 csrss.exe 4904 injector.exe 1592 windefender.exe 1296 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002322a-263.dat upx behavioral1/memory/1592-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1296-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1296-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\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 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe File created C:\Windows\rss\csrss.exe bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3548 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 3652 schtasks.exe 1292 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.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,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.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,-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,-42 = "E. South America Standard Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.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" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4904 powershell.exe 4904 powershell.exe 312 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 312 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 3652 powershell.exe 3652 powershell.exe 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 4824 powershell.exe 4824 powershell.exe 3476 powershell.exe 3476 powershell.exe 4888 powershell.exe 4888 powershell.exe 4836 powershell.exe 4836 powershell.exe 3056 powershell.exe 3056 powershell.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4596 csrss.exe 4596 csrss.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4596 csrss.exe 4596 csrss.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4596 csrss.exe 4596 csrss.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe 4904 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4904 powershell.exe Token: SeDebugPrivilege 312 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Token: SeImpersonatePrivilege 312 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe Token: SeDebugPrivilege 3652 powershell.exe Token: SeDebugPrivilege 4824 powershell.exe Token: SeDebugPrivilege 3476 powershell.exe Token: SeDebugPrivilege 4888 powershell.exe Token: SeDebugPrivilege 4836 powershell.exe Token: SeDebugPrivilege 3056 powershell.exe Token: SeSystemEnvironmentPrivilege 4596 csrss.exe Token: SeSecurityPrivilege 3548 sc.exe Token: SeSecurityPrivilege 3548 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 312 wrote to memory of 4904 312 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 90 PID 312 wrote to memory of 4904 312 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 90 PID 312 wrote to memory of 4904 312 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 90 PID 4680 wrote to memory of 3652 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 100 PID 4680 wrote to memory of 3652 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 100 PID 4680 wrote to memory of 3652 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 100 PID 4680 wrote to memory of 4764 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 102 PID 4680 wrote to memory of 4764 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 102 PID 4764 wrote to memory of 2732 4764 cmd.exe 104 PID 4764 wrote to memory of 2732 4764 cmd.exe 104 PID 4680 wrote to memory of 4824 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 105 PID 4680 wrote to memory of 4824 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 105 PID 4680 wrote to memory of 4824 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 105 PID 4680 wrote to memory of 3476 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 107 PID 4680 wrote to memory of 3476 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 107 PID 4680 wrote to memory of 3476 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 107 PID 4680 wrote to memory of 4596 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 109 PID 4680 wrote to memory of 4596 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 109 PID 4680 wrote to memory of 4596 4680 bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe 109 PID 4596 wrote to memory of 4888 4596 csrss.exe 111 PID 4596 wrote to memory of 4888 4596 csrss.exe 111 PID 4596 wrote to memory of 4888 4596 csrss.exe 111 PID 4596 wrote to memory of 4836 4596 csrss.exe 116 PID 4596 wrote to memory of 4836 4596 csrss.exe 116 PID 4596 wrote to memory of 4836 4596 csrss.exe 116 PID 4596 wrote to memory of 3056 4596 csrss.exe 119 PID 4596 wrote to memory of 3056 4596 csrss.exe 119 PID 4596 wrote to memory of 3056 4596 csrss.exe 119 PID 4596 wrote to memory of 4904 4596 csrss.exe 121 PID 4596 wrote to memory of 4904 4596 csrss.exe 121 PID 1592 wrote to memory of 1588 1592 windefender.exe 127 PID 1592 wrote to memory of 1588 1592 windefender.exe 127 PID 1592 wrote to memory of 1588 1592 windefender.exe 127 PID 1588 wrote to memory of 3548 1588 cmd.exe 128 PID 1588 wrote to memory of 3548 1588 cmd.exe 128 PID 1588 wrote to memory of 3548 1588 cmd.exe 128 -
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\bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe"C:\Users\Admin\AppData\Local\Temp\bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:312 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4904
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C:\Users\Admin\AppData\Local\Temp\bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.exe"C:\Users\Admin\AppData\Local\Temp\bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199.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:4680 -
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:3652
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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:4764 -
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:2732
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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:4824
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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:3476
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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:4596 -
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:4888
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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:3652
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1744
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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:4836
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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:3056
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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:4904
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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:1292
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1592 -
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:1588 -
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:3548
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1296
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
MD522df7668e2bd6b168911f3a8460f0dd6
SHA1a8a4dc4497eea23a7642ec0210aaa15abf6aa206
SHA256f01d0a807875c82259e27cbc6a014e7d0c07438a3abdb5ca903782e48704d2c8
SHA512f4e7f15e10acd0a61163a7a8b201c5a28aa4bd82bb7d4949c4b89fb96a1328b7d7383bb2a2e7e2160a064c9ce4678a41af08bbfecacb4676c4486e42fa399ea1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD573a2424d55f0de8727a625012d81d79e
SHA15163cef6a83fd6823848e90ba52906bc96b74f1b
SHA2568fb86bf50a98fc0aa2a817047557adb652689dc84a2ec93bea410572990c0a38
SHA512956543e98fc72b8a02f94c3daab1f2df50798dde76e74070232c46bd468319db6eec01c8183f07170d2b49a98eec261b505f565a9f365dbad67eba530830bfc9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD596cad9519c8319080eadd57a5b516241
SHA1578b624d533fed49421993d3b35239c20e9c0c4c
SHA256c26c73e098dc8e57c30322542ce933dd84dd4fb92c6e400487337f2660e37492
SHA512e82a705517713bf43aff9803804c2003f83e343eb801c3ae9302e79c56c4a8f1c847e5f7a691966c930c3efc851fd23252105134d5c7102990bcadafda5e87b1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a2e417a2d57fd551aa7a3fb4cc4d21ca
SHA1a72536b277e749acbb93cb173186c7eb4e613cfb
SHA2566168f714f11e7865f6d51834709b84a96ae39f365cd2d6a60caf7cdcc9c59aa7
SHA51213352173a02e9f61484142b575e63ff1675f7d41f0ecd9dfe39bf983f2ff1928fc6a3e777396a11863126031a48032fbb4decf37ba38fa4976154770efb61f22
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57bc9d546a7d67ce6dc71171e97598f30
SHA12d17a37200fa2e683abebb25ffe6711cc9aae1fe
SHA2563f271487974743adeeb4048e510a2ed771810b572cb49ce5bf2629140211ce81
SHA512584eeb4719f38b3d88839c90624a5c643261e2dbe50e58d4e7b762822608aaddc903ae70373d9ff236ecb2405a70bf9b2ac91d33a8e4c8f64ca5f780adb7a991
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Filesize
4.2MB
MD549bdae3d15fb3017349112d1bd4e953e
SHA13cfeed058f6a6fa41e0b84ce409801fe0d60006d
SHA256bd1b5a76c4d69b6ee55c4d53a08868195ee9f6387a50679d93c9ef07c839d199
SHA512e7668c81ac8e9d80faf64207b524f5a871be90d6937a38d66168aa85fa7ab428db62677a62e1bc76722cb008a13fd373cfe6cab86feaee9e86ca994da73de181
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec