Analysis
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max time kernel
149s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-05-2024 04:46
Static task
static1
Behavioral task
behavioral1
Sample
49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe
Resource
win10v2004-20240508-en
General
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Target
49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe
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Size
4.1MB
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MD5
5f5b5d97c75c9227b38abb7ba0fde19c
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SHA1
3e7e4e64cc1a3b11e155fb64c09917b255d23ba3
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SHA256
49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0
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SHA512
686a74902509f0721831f3c301c8754a2d65e8cebb9410b624ef0fac8d543520b3b895ee95d3c63b534d02db2a41094c57bf11d2d7181ff28bdb6cf6d469fd30
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SSDEEP
98304:vquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0H:ALmIkbquibpii2yAk4+2fEKmbY
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1212-2-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/1212-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1212-49-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/1212-72-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/360-123-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1932-198-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/360-199-0x0000000002A30000-0x0000000002E2D000-memory.dmp family_glupteba behavioral2/memory/1932-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1932-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1932-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1932-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1932-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1932-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1932-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1932-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1932-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1932-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1932-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1932-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2944 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1932 csrss.exe 2596 injector.exe 3060 windefender.exe 736 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f7-202.dat upx behavioral2/memory/3060-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3060-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/736-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/736-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe File created C:\Windows\rss\csrss.exe 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe File created 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 4784 sc.exe -
pid Process 1484 powershell.exe 3332 powershell.exe 4152 powershell.exe 1204 powershell.exe 4440 powershell.exe 4576 powershell.exe 2628 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 3504 schtasks.exe 3184 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,-141 = "Canada Central Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard 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)" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight 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,-1912 = "Russia TZ 10 Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.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,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1484 powershell.exe 1484 powershell.exe 1212 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 1212 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 3332 powershell.exe 3332 powershell.exe 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 4152 powershell.exe 4152 powershell.exe 1204 powershell.exe 1204 powershell.exe 4440 powershell.exe 4440 powershell.exe 4576 powershell.exe 4576 powershell.exe 2628 powershell.exe 2628 powershell.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 1932 csrss.exe 1932 csrss.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 1932 csrss.exe 1932 csrss.exe 2596 injector.exe 2596 injector.exe 1932 csrss.exe 1932 csrss.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1484 powershell.exe Token: SeDebugPrivilege 1212 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Token: SeImpersonatePrivilege 1212 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe Token: SeDebugPrivilege 3332 powershell.exe Token: SeDebugPrivilege 4152 powershell.exe Token: SeDebugPrivilege 1204 powershell.exe Token: SeDebugPrivilege 4440 powershell.exe Token: SeDebugPrivilege 4576 powershell.exe Token: SeDebugPrivilege 2628 powershell.exe Token: SeSystemEnvironmentPrivilege 1932 csrss.exe Token: SeSecurityPrivilege 4784 sc.exe Token: SeSecurityPrivilege 4784 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1212 wrote to memory of 1484 1212 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 82 PID 1212 wrote to memory of 1484 1212 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 82 PID 1212 wrote to memory of 1484 1212 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 82 PID 360 wrote to memory of 3332 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 87 PID 360 wrote to memory of 3332 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 87 PID 360 wrote to memory of 3332 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 87 PID 360 wrote to memory of 2648 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 89 PID 360 wrote to memory of 2648 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 89 PID 2648 wrote to memory of 2944 2648 cmd.exe 91 PID 2648 wrote to memory of 2944 2648 cmd.exe 91 PID 360 wrote to memory of 4152 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 92 PID 360 wrote to memory of 4152 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 92 PID 360 wrote to memory of 4152 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 92 PID 360 wrote to memory of 1204 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 94 PID 360 wrote to memory of 1204 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 94 PID 360 wrote to memory of 1204 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 94 PID 360 wrote to memory of 1932 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 96 PID 360 wrote to memory of 1932 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 96 PID 360 wrote to memory of 1932 360 49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe 96 PID 1932 wrote to memory of 4440 1932 csrss.exe 97 PID 1932 wrote to memory of 4440 1932 csrss.exe 97 PID 1932 wrote to memory of 4440 1932 csrss.exe 97 PID 1932 wrote to memory of 4576 1932 csrss.exe 103 PID 1932 wrote to memory of 4576 1932 csrss.exe 103 PID 1932 wrote to memory of 4576 1932 csrss.exe 103 PID 1932 wrote to memory of 2628 1932 csrss.exe 105 PID 1932 wrote to memory of 2628 1932 csrss.exe 105 PID 1932 wrote to memory of 2628 1932 csrss.exe 105 PID 1932 wrote to memory of 2596 1932 csrss.exe 107 PID 1932 wrote to memory of 2596 1932 csrss.exe 107 PID 3060 wrote to memory of 3160 3060 windefender.exe 113 PID 3060 wrote to memory of 3160 3060 windefender.exe 113 PID 3060 wrote to memory of 3160 3060 windefender.exe 113 PID 3160 wrote to memory of 4784 3160 cmd.exe 114 PID 3160 wrote to memory of 4784 3160 cmd.exe 114 PID 3160 wrote to memory of 4784 3160 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\49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe"C:\Users\Admin\AppData\Local\Temp\49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1212 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1484
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C:\Users\Admin\AppData\Local\Temp\49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.exe"C:\Users\Admin\AppData\Local\Temp\49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0.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:360 -
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:3332
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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:2648 -
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:2944
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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:4152
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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:1204
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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:1932 -
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:4440
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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:3504
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4396
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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:4576
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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:2628
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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:2596
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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:3184
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3060 -
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:3160 -
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:4784
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:736
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51a4207ca55cc6745bc8b9b8cc5824ee7
SHA120520e6673ad1176a169ad716a3f426ce82cac3d
SHA256481d2c4ba386ca01326e00c353ef571ffb30c13d487f7249df9d4e35a0975bc9
SHA512d2beaa6e6a3e37b735fb9a2e39f88052c5bcadbdad67d458347721b133b811ad1175078e6cc4f743d87688b863b989bb5c162be1001e0206842c8a9a2e097c98
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD535f9caf2092abee35967a8d62004abef
SHA1f2a6489fe4bbe28a6c8d5b57c598dfee248f3831
SHA256c3f5de6626225d7f5868367d19a07e98c1c6b89de78ecf57a107ff03afbddef4
SHA512aff7fc880cf7b3264b174589a908b255fb589a8921f8c48567611261f8d05fcf6e81a2ec9750c86e2610d707c90c484053acb1a38afe94180c645cdcb8ded553
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59748786056b919af5a4f5882324bb11d
SHA1b8949374afb30b96625ad1a755e41070705973cf
SHA256fa99563d34763110ef3044a930404f3e7754978272c9ed1ec886d1a30e151b1e
SHA51275967a548f9a7a36626878b721500df959e98043036dcfa6681b0a1bb33ca3deb710f3867b94f0a0234aabe2af4bf5184fd48d402c17399f122fba5a6a87bb2d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54bb0ff3470ec9fd77096b615edf54bc3
SHA115762efebf6c6e77a90c29eccd8246ece7c1e264
SHA2569d9bc3d4aa81cfb418851dc6c9d4cffb483c34dc3b96cafb3e22c4b6f00d1a07
SHA5123958e91ff8ac964fefc6e393bb00965bd60a78002b0ee94603b5364508f2472fdeaccff3c2c3c5ea5404e3300389ef4ae6cacd951a330f4a9add2aced47cf15b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53e0d4e78820c5249bb2058b9e6cd648c
SHA1b7f57520eea079955ee468bd7546c807ff5a54b2
SHA256f2b8744c8b789df85bff8acd59bc9a30b655201740ef719a819de3efd50614b1
SHA512a1dc63db2c26be7bb9ee08d08fd271428c03e6814a240953a808cdee2ca7f86026ce0c2a67b215f8f15c3ea324f5f701b2e99ece67cc9838a20ac44d1412d4a3
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Filesize
4.1MB
MD55f5b5d97c75c9227b38abb7ba0fde19c
SHA13e7e4e64cc1a3b11e155fb64c09917b255d23ba3
SHA25649af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0
SHA512686a74902509f0721831f3c301c8754a2d65e8cebb9410b624ef0fac8d543520b3b895ee95d3c63b534d02db2a41094c57bf11d2d7181ff28bdb6cf6d469fd30
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec