Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 13:23
Static task
static1
Behavioral task
behavioral1
Sample
725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe
Resource
win10v2004-20240426-en
General
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Target
725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe
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Size
4.1MB
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MD5
6eebae55d2d06a28d9511c0c3a8aeb17
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SHA1
723a2403a71e757bcb0c39bf4815ec1c58eb4fa6
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SHA256
725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302
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SHA512
771d67900d3eb075a133ecd7e6032b415aec7810afe0f78976daa3cd77e8f12b9f4ebc625742273a835e5eb2455ae69219a5ba4227d4130c9baf0c8786b04f0f
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SSDEEP
98304:EQJMl/iXMhTmfDhNRe9xfYVEx7xkD10HZd3scl3XzHAtmo0FE:/b8hTmbBIxHPR3rn3oKE
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4140-2-0x0000000004DC0000-0x00000000056AB000-memory.dmp family_glupteba behavioral2/memory/4140-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4140-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4140-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4140-55-0x0000000004DC0000-0x00000000056AB000-memory.dmp family_glupteba behavioral2/memory/4140-53-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4132-78-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4132-128-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1844-153-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1844-208-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1844-212-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1844-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1844-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1844-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1844-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1844-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1844-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1844-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1844-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1440 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1844 csrss.exe 4628 injector.exe 2924 windefender.exe 836 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab43-211.dat upx behavioral2/memory/2924-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/836-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2924-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/836-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/836-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe File created C:\Windows\rss\csrss.exe 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.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 3356 sc.exe -
pid Process 2124 powershell.exe 4788 powershell.exe 4216 powershell.exe 3564 powershell.exe 4236 powershell.exe 3288 powershell.exe 4460 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1236 4140 WerFault.exe 78 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1944 schtasks.exe 4732 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\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 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\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-92 = "Pacific SA Standard 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,-342 = "Egypt Standard Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4460 powershell.exe 4460 powershell.exe 4140 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 4140 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 2124 powershell.exe 2124 powershell.exe 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 4788 powershell.exe 4788 powershell.exe 4216 powershell.exe 4216 powershell.exe 3564 powershell.exe 3564 powershell.exe 4236 powershell.exe 4236 powershell.exe 3288 powershell.exe 3288 powershell.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 1844 csrss.exe 1844 csrss.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 1844 csrss.exe 1844 csrss.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 1844 csrss.exe 1844 csrss.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4460 powershell.exe Token: SeDebugPrivilege 4140 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Token: SeImpersonatePrivilege 4140 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe Token: SeDebugPrivilege 2124 powershell.exe Token: SeDebugPrivilege 4788 powershell.exe Token: SeDebugPrivilege 4216 powershell.exe Token: SeDebugPrivilege 3564 powershell.exe Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 3288 powershell.exe Token: SeSystemEnvironmentPrivilege 1844 csrss.exe Token: SeSecurityPrivilege 3356 sc.exe Token: SeSecurityPrivilege 3356 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4140 wrote to memory of 4460 4140 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 82 PID 4140 wrote to memory of 4460 4140 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 82 PID 4140 wrote to memory of 4460 4140 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 82 PID 4132 wrote to memory of 2124 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 90 PID 4132 wrote to memory of 2124 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 90 PID 4132 wrote to memory of 2124 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 90 PID 4132 wrote to memory of 1860 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 92 PID 4132 wrote to memory of 1860 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 92 PID 1860 wrote to memory of 1440 1860 cmd.exe 94 PID 1860 wrote to memory of 1440 1860 cmd.exe 94 PID 4132 wrote to memory of 4788 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 95 PID 4132 wrote to memory of 4788 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 95 PID 4132 wrote to memory of 4788 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 95 PID 4132 wrote to memory of 4216 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 97 PID 4132 wrote to memory of 4216 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 97 PID 4132 wrote to memory of 4216 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 97 PID 4132 wrote to memory of 1844 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 99 PID 4132 wrote to memory of 1844 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 99 PID 4132 wrote to memory of 1844 4132 725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe 99 PID 1844 wrote to memory of 3564 1844 csrss.exe 100 PID 1844 wrote to memory of 3564 1844 csrss.exe 100 PID 1844 wrote to memory of 3564 1844 csrss.exe 100 PID 1844 wrote to memory of 4236 1844 csrss.exe 105 PID 1844 wrote to memory of 4236 1844 csrss.exe 105 PID 1844 wrote to memory of 4236 1844 csrss.exe 105 PID 1844 wrote to memory of 3288 1844 csrss.exe 108 PID 1844 wrote to memory of 3288 1844 csrss.exe 108 PID 1844 wrote to memory of 3288 1844 csrss.exe 108 PID 1844 wrote to memory of 4628 1844 csrss.exe 110 PID 1844 wrote to memory of 4628 1844 csrss.exe 110 PID 2924 wrote to memory of 1956 2924 windefender.exe 116 PID 2924 wrote to memory of 1956 2924 windefender.exe 116 PID 2924 wrote to memory of 1956 2924 windefender.exe 116 PID 1956 wrote to memory of 3356 1956 cmd.exe 117 PID 1956 wrote to memory of 3356 1956 cmd.exe 117 PID 1956 wrote to memory of 3356 1956 cmd.exe 117 -
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\725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe"C:\Users\Admin\AppData\Local\Temp\725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4140 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4460
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C:\Users\Admin\AppData\Local\Temp\725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.exe"C:\Users\Admin\AppData\Local\Temp\725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302.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:4132 -
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:2124
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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:1860 -
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:1440
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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:4788
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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:4216
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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:1844 -
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:3564
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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:1944
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1684
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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:4236
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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:3288
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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:4628
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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:4732
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2924 -
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:1956 -
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:3356
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 6442⤵
- Program crash
PID:1236
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4140 -ip 41401⤵PID:1360
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:836
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
MD5dcca92e8614b6713f13811e9ab6de6ab
SHA15a36fb35e869eb21fcdf0f21922361e3d6b11b96
SHA2565cc48e59fdcb5db5fbac4d8d9322314cbc1920d738abf622bd0390aa4f689c90
SHA5127db98fc0135cab0b1fd483e47b30ca4d6fb6d7aa83fe5f3c79db4f255c4af5b45e75d7cfb7ea71d627e8b2011bf81c31919ca5494e249902ffa76a3a29bd9bd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD585797edea0873a25910f88ba4f084b59
SHA1c5f570ee17d06726f859ee36f2576d7f68ac6828
SHA2569443768a2c942840bc563bac5dd5ec1d0150e23681e088031cd5b691573b72bf
SHA5128cb8acecf20afeb7976db8e6d3ccd3fe44375f67026c8fd3d9ce2c7a4ff4fdf6e0bcc9b534d70891e440a0d09fe7714632589d9418f450ac18070ab28d3c5787
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5877d18f9b584d788dc889aa6af3697b0
SHA141e8fc6dad57a3c6624613972c4771d668dd08d9
SHA256aeff69d10342b9ac3f1923388600d0e15954165bbd4362092ac55eebc0a53f0e
SHA512b97c6bc7619c428bd47c58973f8f8476f93f7eeb00706e8adf6cd29ad587f98bb565423bbdeaa95b11d1c1610968fee800d65c7d163b903a7e73220bcdd55a81
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59be6485b12932a1fa4b9de8e41fadf30
SHA1bd292ea57a1f15ec7dfe776f41d847dfa12785f0
SHA2564ff5d06d13aa084d473536be87f30544ccf8e1a81d5af7b1baf28c0d8e25327e
SHA51241df42a1dc168b6d46848acd58a324565c8cc72225d25a776974d29f4718ca27ed0660257179aa9e603b253fa8fe9f1d17e8611a3858a5ff3d7f27f87207e552
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56593b0c1db7bf36d51d94c3c2b25823c
SHA1b6262dd07750a17bffd349f0423425772d9117c0
SHA2566c701e86231472c41656114df144d8258f27c532df1e6f85d4cbbf727d172685
SHA5128d63e502e0fadc9e3a6a1a7cec36c1cfd0408dc0f4a299c8298264a11ae40c2285099571b2468358845851d871aca2c121bfc56e858bc745e8d6230768dc8869
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Filesize
4.1MB
MD56eebae55d2d06a28d9511c0c3a8aeb17
SHA1723a2403a71e757bcb0c39bf4815ec1c58eb4fa6
SHA256725c46946e31fe8b44d708e7562b27bc437373bb269c6f9175adf53d1ec0f302
SHA512771d67900d3eb075a133ecd7e6032b415aec7810afe0f78976daa3cd77e8f12b9f4ebc625742273a835e5eb2455ae69219a5ba4227d4130c9baf0c8786b04f0f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec