Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 12:33
Static task
static1
Behavioral task
behavioral1
Sample
79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe
Resource
win10v2004-20240508-en
General
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Target
79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe
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Size
4.1MB
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MD5
bc04b2a5cb3e66e9710232c5b4f2039f
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SHA1
b33ae0eb4e056a846c9675d64584ddaa527640fc
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SHA256
79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf
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SHA512
39f8fb2f8d7eb0584bad1a3c227a4204b108c893e576595a9f6d1e17010a3edc9570daef5c5044c9a46aca240215a109e1b92d474d3de9de253d9314688819f3
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SSDEEP
98304:8d7tSzSG1TEQyj2soCVZzfOSLUhtCaFAX/iUIATxmmpvA2aCdQuFREnEr0:eRMSLQaVNfPUP9FaqUIATxXaCdFFREnt
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1316-2-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral2/memory/1316-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1316-52-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1316-63-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral2/memory/1316-128-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1412-127-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3624-173-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3624-205-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3624-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3624-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3624-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3624-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3624-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3624-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3624-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3624-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3624-250-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3624-254-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2576 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3624 csrss.exe 3672 injector.exe 4592 windefender.exe 2676 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9dc-209.dat upx behavioral2/memory/4592-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4592-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2676-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2676-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2676-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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 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 -
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 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe File created C:\Windows\rss\csrss.exe 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.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 3376 sc.exe -
pid Process 3492 powershell.exe 4340 powershell.exe 912 powershell.exe 3460 powershell.exe 5032 powershell.exe 2556 powershell.exe 4680 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 4940 schtasks.exe 4580 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,-111 = "Eastern Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.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,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.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\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard 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" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4680 powershell.exe 4680 powershell.exe 1316 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 1316 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 3492 powershell.exe 3492 powershell.exe 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 4340 powershell.exe 4340 powershell.exe 912 powershell.exe 912 powershell.exe 3460 powershell.exe 3460 powershell.exe 5032 powershell.exe 5032 powershell.exe 2556 powershell.exe 2556 powershell.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3624 csrss.exe 3624 csrss.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3624 csrss.exe 3624 csrss.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3624 csrss.exe 3624 csrss.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe 3672 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4680 powershell.exe Token: SeDebugPrivilege 1316 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Token: SeImpersonatePrivilege 1316 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe Token: SeDebugPrivilege 3492 powershell.exe Token: SeDebugPrivilege 4340 powershell.exe Token: SeDebugPrivilege 912 powershell.exe Token: SeDebugPrivilege 3460 powershell.exe Token: SeDebugPrivilege 5032 powershell.exe Token: SeDebugPrivilege 2556 powershell.exe Token: SeSystemEnvironmentPrivilege 3624 csrss.exe Token: SeSecurityPrivilege 3376 sc.exe Token: SeSecurityPrivilege 3376 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1316 wrote to memory of 4680 1316 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 78 PID 1316 wrote to memory of 4680 1316 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 78 PID 1316 wrote to memory of 4680 1316 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 78 PID 1412 wrote to memory of 3492 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 83 PID 1412 wrote to memory of 3492 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 83 PID 1412 wrote to memory of 3492 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 83 PID 1412 wrote to memory of 4916 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 85 PID 1412 wrote to memory of 4916 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 85 PID 4916 wrote to memory of 2576 4916 cmd.exe 87 PID 4916 wrote to memory of 2576 4916 cmd.exe 87 PID 1412 wrote to memory of 4340 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 88 PID 1412 wrote to memory of 4340 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 88 PID 1412 wrote to memory of 4340 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 88 PID 1412 wrote to memory of 912 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 90 PID 1412 wrote to memory of 912 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 90 PID 1412 wrote to memory of 912 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 90 PID 1412 wrote to memory of 3624 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 92 PID 1412 wrote to memory of 3624 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 92 PID 1412 wrote to memory of 3624 1412 79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe 92 PID 3624 wrote to memory of 3460 3624 csrss.exe 93 PID 3624 wrote to memory of 3460 3624 csrss.exe 93 PID 3624 wrote to memory of 3460 3624 csrss.exe 93 PID 3624 wrote to memory of 5032 3624 csrss.exe 99 PID 3624 wrote to memory of 5032 3624 csrss.exe 99 PID 3624 wrote to memory of 5032 3624 csrss.exe 99 PID 3624 wrote to memory of 2556 3624 csrss.exe 101 PID 3624 wrote to memory of 2556 3624 csrss.exe 101 PID 3624 wrote to memory of 2556 3624 csrss.exe 101 PID 3624 wrote to memory of 3672 3624 csrss.exe 103 PID 3624 wrote to memory of 3672 3624 csrss.exe 103 PID 4592 wrote to memory of 1008 4592 windefender.exe 109 PID 4592 wrote to memory of 1008 4592 windefender.exe 109 PID 4592 wrote to memory of 1008 4592 windefender.exe 109 PID 1008 wrote to memory of 3376 1008 cmd.exe 110 PID 1008 wrote to memory of 3376 1008 cmd.exe 110 PID 1008 wrote to memory of 3376 1008 cmd.exe 110 -
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\79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe"C:\Users\Admin\AppData\Local\Temp\79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1316 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4680
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C:\Users\Admin\AppData\Local\Temp\79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.exe"C:\Users\Admin\AppData\Local\Temp\79ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf.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:1412 -
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:3492
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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:4916 -
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:2576
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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:4340
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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:912
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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:3624 -
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:3460
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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:4940
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3424
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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:5032
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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:2556
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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:3672
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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:4580
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4592 -
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:1008 -
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:3376
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2676
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
MD51034209d99b1c648cebfb9ce7cfbb7d9
SHA15025b23b28ef097b9933e588f154b0e77441b5cc
SHA256c8ee8230e9bac9bf9d87bddb3b6118bf7bdafff890067cb8fb3cf7a2940e64a8
SHA51251ab3ee47221c1de80225c7f3e0bd019e17e69f83118cca53a25a54c2759f9ef39b8567251d644ba32ec6295d7edf30e40b58011870c531597f25e65a2e4962d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f82181c7cc726521431dc27ffe09d930
SHA19bf4302773af5ce636d9e007e18f3b7264d373f6
SHA256cfcc6f365e52a7b246bf289100219485ba7fc3e5778ec95268a8507b59fd0499
SHA5122627197157d6327f5fff6452d6fc72a6d3de76219beed4306ede63c0e13203cb6668c3d1576569d5f510422e6908367014e5acd87bf1082a9262e0fd1d3d53f3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bdc32ee5119e7d555768fe7fc37efa67
SHA190e0809253ba0098d2c58ea9a7c5c61af831d57b
SHA256f7013507b705c8b2e8594a553aefd6c28da434c35f614e3c909538f8a6a64942
SHA512f8ec5074e56824b46d47253a1b561f28865b16494ab281afa08d44f3342c93c84e96d65b960b63bac95ce5fb23fab36b900f94f42a68d33764121ce0d534997a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e436203d325f3c75d0d440c6bd5a5f2f
SHA1bb81ea42a06bae47ed508c3caa9d21f98bb5855e
SHA2567f2a9ccf1feee9b5657309f5a8a585bb0139a76ed7158f100c963146ef69febb
SHA51260fa8ceb90fcfa370bdf4c7f60e7bef8a3bbdc28afaec87ed76fedac67eb3e8a52609531266ee694a010ed11a42715260ca808a023021c370fcb143469efbc5a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5379268bf67f276205ea21e350927c691
SHA10bc1499bd60230609a7cb4de95daa52b785a3623
SHA2564732db7d42ae5c91f211c3042c03bd3625c1411beac7958ea078076ebb4bbb01
SHA51281a001776e2857b8bb849a4ebd793d9f9ab54619fb15c9c8295978b5fd998488e633d38c397ecde5d16f1d5de64b9bead2321c45233a4fed49f4628f7a5e5d92
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Filesize
4.1MB
MD5bc04b2a5cb3e66e9710232c5b4f2039f
SHA1b33ae0eb4e056a846c9675d64584ddaa527640fc
SHA25679ab14861756bf410707ae166dad411af29ba7b4224e5af27f8762bbccf5d2cf
SHA51239f8fb2f8d7eb0584bad1a3c227a4204b108c893e576595a9f6d1e17010a3edc9570daef5c5044c9a46aca240215a109e1b92d474d3de9de253d9314688819f3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec