Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 23:33
Static task
static1
Behavioral task
behavioral1
Sample
68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe
Resource
win10v2004-20240508-en
General
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Target
68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe
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Size
4.1MB
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MD5
7f1072397cc1ba27d16fd148785013d0
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SHA1
acf6c1c60aef02881427125404a2aefe6f281c3c
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SHA256
68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca
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SHA512
e057dff8fe051043d23dd4a6bdd69ff90c4e6fc3d364030bdd2b9b1908125dcd901528dfe298b5fcbfb17755507ac97bb747f1def88c66f840f56a742bb7d35a
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SSDEEP
98304:8CrMvuyR1RyPQdAJHItu4QbOo8ZPCtSlOjuAz5n6hmlDmb2:85vuu/yDHItfIOpPCSgB5tCq
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2604-2-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral2/memory/2604-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2604-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2604-54-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral2/memory/2604-64-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2604-79-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1552-78-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1552-129-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2860-150-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2860-205-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2860-215-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2860-218-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2860-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2860-227-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2860-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2860-234-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2860-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2860-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2860-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4504 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2860 csrss.exe 4468 injector.exe 1924 windefender.exe 3884 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab42-209.dat upx behavioral2/memory/1924-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1924-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3884-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3884-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 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 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 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe File created C:\Windows\rss\csrss.exe 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.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 2200 sc.exe -
pid Process 3484 powershell.exe 1324 powershell.exe 2304 powershell.exe 2084 powershell.exe 1400 powershell.exe 1204 powershell.exe 928 powershell.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 4808 schtasks.exe 1384 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.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\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.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\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1204 powershell.exe 1204 powershell.exe 2604 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 2604 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 928 powershell.exe 928 powershell.exe 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 3484 powershell.exe 3484 powershell.exe 1324 powershell.exe 1324 powershell.exe 2304 powershell.exe 2304 powershell.exe 2084 powershell.exe 2084 powershell.exe 1400 powershell.exe 1400 powershell.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 2860 csrss.exe 2860 csrss.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 2860 csrss.exe 2860 csrss.exe 4468 injector.exe 4468 injector.exe 2860 csrss.exe 2860 csrss.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1204 powershell.exe Token: SeDebugPrivilege 2604 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Token: SeImpersonatePrivilege 2604 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe Token: SeDebugPrivilege 928 powershell.exe Token: SeDebugPrivilege 3484 powershell.exe Token: SeDebugPrivilege 1324 powershell.exe Token: SeDebugPrivilege 2304 powershell.exe Token: SeDebugPrivilege 2084 powershell.exe Token: SeDebugPrivilege 1400 powershell.exe Token: SeSystemEnvironmentPrivilege 2860 csrss.exe Token: SeSecurityPrivilege 2200 sc.exe Token: SeSecurityPrivilege 2200 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2604 wrote to memory of 1204 2604 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 82 PID 2604 wrote to memory of 1204 2604 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 82 PID 2604 wrote to memory of 1204 2604 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 82 PID 1552 wrote to memory of 928 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 87 PID 1552 wrote to memory of 928 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 87 PID 1552 wrote to memory of 928 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 87 PID 1552 wrote to memory of 4784 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 89 PID 1552 wrote to memory of 4784 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 89 PID 4784 wrote to memory of 4504 4784 cmd.exe 91 PID 4784 wrote to memory of 4504 4784 cmd.exe 91 PID 1552 wrote to memory of 3484 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 92 PID 1552 wrote to memory of 3484 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 92 PID 1552 wrote to memory of 3484 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 92 PID 1552 wrote to memory of 1324 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 94 PID 1552 wrote to memory of 1324 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 94 PID 1552 wrote to memory of 1324 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 94 PID 1552 wrote to memory of 2860 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 96 PID 1552 wrote to memory of 2860 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 96 PID 1552 wrote to memory of 2860 1552 68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe 96 PID 2860 wrote to memory of 2304 2860 csrss.exe 97 PID 2860 wrote to memory of 2304 2860 csrss.exe 97 PID 2860 wrote to memory of 2304 2860 csrss.exe 97 PID 2860 wrote to memory of 2084 2860 csrss.exe 103 PID 2860 wrote to memory of 2084 2860 csrss.exe 103 PID 2860 wrote to memory of 2084 2860 csrss.exe 103 PID 2860 wrote to memory of 1400 2860 csrss.exe 105 PID 2860 wrote to memory of 1400 2860 csrss.exe 105 PID 2860 wrote to memory of 1400 2860 csrss.exe 105 PID 2860 wrote to memory of 4468 2860 csrss.exe 107 PID 2860 wrote to memory of 4468 2860 csrss.exe 107 PID 1924 wrote to memory of 412 1924 windefender.exe 113 PID 1924 wrote to memory of 412 1924 windefender.exe 113 PID 1924 wrote to memory of 412 1924 windefender.exe 113 PID 412 wrote to memory of 2200 412 cmd.exe 114 PID 412 wrote to memory of 2200 412 cmd.exe 114 PID 412 wrote to memory of 2200 412 cmd.exe 114 -
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\68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe"C:\Users\Admin\AppData\Local\Temp\68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1204
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C:\Users\Admin\AppData\Local\Temp\68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.exe"C:\Users\Admin\AppData\Local\Temp\68ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca.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:1552 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:928
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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:4784 -
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:4504
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3484
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1324
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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:2860 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2304
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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:4808
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1136
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2084
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1400
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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:4468
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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:1384
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1924 -
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:412 -
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:2200
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3884
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a819361fe71f179bd4ff442cac9cc3ff
SHA1071b49d4bdd96f47893ea5857298d7a843608ba1
SHA2569911648c3e862076dd849f9dccfd216140b532a9b331dda41635472d1c2e2b16
SHA5126f72a6110584512c8fe9dfefdfd3e3921f50e345ef6298f9cf0b497d7a47aad03df8924fa3c3341355ad74e0b0147aaccf6562197e5b99ecf913894d62085d12
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fd9af5c99a0f25edf5d204230c80899c
SHA1bf2a3ce2cbfc3f0959fc14d51cb71b6bff002b60
SHA256f2a91e4715232c903375ae7c0aaea46181297e08af1925ca93dc8492507bc3d6
SHA512cb25b3643db568bd445435c54efeb2e3a103d76bbc7ae5bdf001e18a282c2af934a5c8ea0c092f77daa316afbc52c7e24e1a58427bebc42be54058f04ccc4b1f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ab9e4771e41993e7d0f6e733bd562388
SHA1333d3337e034742bb2a160ea66cc156809f84e76
SHA2565d9617c6d8d5e094af12f9bbf7a4ebfa862e028fb7062741a1adf33a029d023d
SHA512e85be9b89dc969eb128c12405d4ac645d1ebec68ea1f4122268b0f18d2546eae227cb88e2bf19dcdfbd82e2140d0fb78f49755036663a8b8e4bc0bc180f921ea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55cd5c028f55631f0884db5975f329b94
SHA14107c6d6eac769d7c3510b48974b761b462fb0a4
SHA256ada2b92ea24e0fbf2310d6e5e5969b8ad987da122c1f1ef9821eff3e0d21705b
SHA5120e44c0d491f8ef8a4f9f47972d55a8ab8b5675229437b59fe0072de63707aad53f83b52b4d731e845d6df150f4bc5ea83b33f6bf30bef2e05e5cbce7f1717f09
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5588fe44886e2d9bf703d4b8041658e61
SHA154a3f8167690c0f4d1985d82add7f61f656e32a7
SHA256239b67e43979ecb2bb31ec05a790ac2df306560cb18fbe2b3ec6098db76905f1
SHA512b18221aca021d6adf628cf6dd4d8e4ce4a87e52f316f73542352695819d0fc6c4f136cb61a2723d35d53258877eca77ec6c4c3c8ccb86465d6a01448e11ba83f
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Filesize
4.1MB
MD57f1072397cc1ba27d16fd148785013d0
SHA1acf6c1c60aef02881427125404a2aefe6f281c3c
SHA25668ba1bfe116b4cf0020fecece8c8a2387628a3ba35e84c7a440ba4b838d1d5ca
SHA512e057dff8fe051043d23dd4a6bdd69ff90c4e6fc3d364030bdd2b9b1908125dcd901528dfe298b5fcbfb17755507ac97bb747f1def88c66f840f56a742bb7d35a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec