Analysis
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max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
29/03/2024, 07:43
Static task
static1
Behavioral task
behavioral1
Sample
8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe
Resource
win10v2004-20240226-en
General
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Target
8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe
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Size
4.1MB
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MD5
271b6b012cc28053102847f3e0bf3ae3
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SHA1
6bfd51b5eed37723198f291e936ed5668f451dad
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SHA256
8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c
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SHA512
9d316a90bd6dc4c90c9f3f83d34f5e82fe4cc38c6196acbe0723f1b524be73a0e52785268d36b982c67e73f24e589797c741b68c67036b1526503b14dc0d341e
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SSDEEP
98304:cF69SqjdyrTJRsqmqvUuiTilYKvKska3cZNejO9NhA9lwJ:I69SqorT8qf2ilbl3cZNei9NQwJ
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/3544-2-0x00000000030C0000-0x00000000039AB000-memory.dmp family_glupteba behavioral2/memory/3544-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4724-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4724-53-0x0000000002FE0000-0x00000000038CB000-memory.dmp family_glupteba behavioral2/memory/3544-66-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4724-113-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4724-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4724-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/764-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/764-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/764-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/764-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/764-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/764-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/764-272-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/764-276-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/764-279-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/764-284-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/764-288-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/764-292-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 884 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 764 csrss.exe 1068 injector.exe 3968 windefender.exe 3460 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a780-246.dat upx behavioral2/memory/3968-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3460-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3460-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe File created C:\Windows\rss\csrss.exe 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.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 4800 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 3800 schtasks.exe 1228 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\ProxyBypass = "1" powershell.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\22\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.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\22\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1136 powershell.exe 1136 powershell.exe 3544 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 3544 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 232 powershell.exe 232 powershell.exe 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 1976 powershell.exe 1976 powershell.exe 3704 powershell.exe 3704 powershell.exe 3320 powershell.exe 3320 powershell.exe 1788 powershell.exe 1788 powershell.exe 400 powershell.exe 400 powershell.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 764 csrss.exe 764 csrss.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 764 csrss.exe 764 csrss.exe 1068 injector.exe 1068 injector.exe 764 csrss.exe 764 csrss.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe 1068 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1136 powershell.exe Token: SeDebugPrivilege 3544 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Token: SeImpersonatePrivilege 3544 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe Token: SeDebugPrivilege 232 powershell.exe Token: SeDebugPrivilege 1976 powershell.exe Token: SeDebugPrivilege 3704 powershell.exe Token: SeDebugPrivilege 3320 powershell.exe Token: SeDebugPrivilege 1788 powershell.exe Token: SeDebugPrivilege 400 powershell.exe Token: SeSystemEnvironmentPrivilege 764 csrss.exe Token: SeSecurityPrivilege 4800 sc.exe Token: SeSecurityPrivilege 4800 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3544 wrote to memory of 1136 3544 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 78 PID 3544 wrote to memory of 1136 3544 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 78 PID 3544 wrote to memory of 1136 3544 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 78 PID 4724 wrote to memory of 232 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 83 PID 4724 wrote to memory of 232 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 83 PID 4724 wrote to memory of 232 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 83 PID 4724 wrote to memory of 4688 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 85 PID 4724 wrote to memory of 4688 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 85 PID 4688 wrote to memory of 884 4688 cmd.exe 87 PID 4688 wrote to memory of 884 4688 cmd.exe 87 PID 4724 wrote to memory of 1976 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 88 PID 4724 wrote to memory of 1976 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 88 PID 4724 wrote to memory of 1976 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 88 PID 4724 wrote to memory of 3704 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 90 PID 4724 wrote to memory of 3704 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 90 PID 4724 wrote to memory of 3704 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 90 PID 4724 wrote to memory of 764 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 92 PID 4724 wrote to memory of 764 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 92 PID 4724 wrote to memory of 764 4724 8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe 92 PID 764 wrote to memory of 3320 764 csrss.exe 93 PID 764 wrote to memory of 3320 764 csrss.exe 93 PID 764 wrote to memory of 3320 764 csrss.exe 93 PID 764 wrote to memory of 1788 764 csrss.exe 99 PID 764 wrote to memory of 1788 764 csrss.exe 99 PID 764 wrote to memory of 1788 764 csrss.exe 99 PID 764 wrote to memory of 400 764 csrss.exe 101 PID 764 wrote to memory of 400 764 csrss.exe 101 PID 764 wrote to memory of 400 764 csrss.exe 101 PID 764 wrote to memory of 1068 764 csrss.exe 103 PID 764 wrote to memory of 1068 764 csrss.exe 103 PID 3968 wrote to memory of 2592 3968 windefender.exe 109 PID 3968 wrote to memory of 2592 3968 windefender.exe 109 PID 3968 wrote to memory of 2592 3968 windefender.exe 109 PID 2592 wrote to memory of 4800 2592 cmd.exe 110 PID 2592 wrote to memory of 4800 2592 cmd.exe 110 PID 2592 wrote to memory of 4800 2592 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\8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe"C:\Users\Admin\AppData\Local\Temp\8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3544 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1136
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C:\Users\Admin\AppData\Local\Temp\8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.exe"C:\Users\Admin\AppData\Local\Temp\8cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c.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:4724 -
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:232
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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:4688 -
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:884
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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:1976
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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:3704
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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:764 -
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:3320
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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:1228
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4236
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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:1788
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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:400
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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:1068
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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:3800
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3968 -
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:2592 -
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:4800
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3460
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
MD5a3c6fe2c1838aed180c65040e434cc95
SHA1298bb2f2e31b4fd42d51bcf988ffb11e0ec05387
SHA2564ed8cf6c6180c73fd037359e52628351631d76e16ea43be0cd1978341b525436
SHA512f2295615974e13e28802766f63bc0d9f71c31ddd389687d6bfa29b503941f120c9472f400c514d26ca408cfa0dccead3ae0b23f527eda14fa111e4e6337b9780
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5684f29558537a5fd2108fe4993248434
SHA17cc5423e3aa1fe87623fd0eb0581da4cb5c9f763
SHA2564d18cbff952e42ac2936ac47b694f180d71ade3f109aadd516362f1243fbd9b5
SHA5128f3b334f4b8a612077f5aa8d869cb2a7989325a9d12082dcd474ca26e20e3caaaac7cb7af384221a546caf1b50126e9ec7a8d1a70cb1eb9337c4cb0335c82737
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54a02a9b8ebf2dcde30c333fd2508025f
SHA14c2994b6365bba992e0c2661dd2b63a9cf6afaf3
SHA256edabd1d8199adf0c0c3c5c060a4826134e75cf341dbf3d9ce3f5f2bf016e6a5e
SHA512756c0c7aa72d8d586fad97c7b9ceb5d851b54198a4a0027ec702dd1141a12771fae143b102657bfa9e66454bf32ebf113ec69a4d94d3946d78afded496b9f256
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f9671c0a0023ceb05ac057f02b7efd04
SHA198caa3994b8444ad24b320975b18b4a8b7f8cc4d
SHA2565ba55465b71565b30f6f05486ab0c7806616c778c77c606e388d488df8f5aa91
SHA512022438833da8872fdd20871972b64eb58e9191c78e18895bd8da38ea058ca9040a01a1ecbbe80d33163a3c09b25b42f66f7ba4d0182970f362513e98e4a2a63d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58b9ba02ec1e24054fcc3fc1af4286cba
SHA1b83b82efc15d5a2657790b2762525b8759d93eac
SHA25601fea1bed37fecb2bf2a108ab6b6c20719e8349c05ba8868367dea892d8259e9
SHA512a9f263294bb299562d077440c76c7bf8d05e987401147a3b59cea5fb1a1a3e93c5401d93bb39b22402042c23f3103182d94ef5ea8d1ab4a48708f429ee970519
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Filesize
4.1MB
MD5271b6b012cc28053102847f3e0bf3ae3
SHA16bfd51b5eed37723198f291e936ed5668f451dad
SHA2568cebadfe9c648a38feae8ba17048a9893907b00469b50b6d96365cf3a5e7f73c
SHA5129d316a90bd6dc4c90c9f3f83d34f5e82fe4cc38c6196acbe0723f1b524be73a0e52785268d36b982c67e73f24e589797c741b68c67036b1526503b14dc0d341e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec