Analysis
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max time kernel
149s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 16:04
Static task
static1
Behavioral task
behavioral1
Sample
2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe
Resource
win10v2004-20240412-en
General
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Target
2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe
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Size
4.2MB
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MD5
43866a3d3e55a5c1b21135648fdb02f1
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SHA1
39396652f940dec4e8d7f4c116ce2665a5bf7b31
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SHA256
2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f
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SHA512
c55c829bce33deee5d56cbd2a80e5d36c3346e75970e12578cfaf988a53fb231349879f947c98bbc2ef68364c971d1acb3094434a09af53fc06d24892b1b64f6
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SSDEEP
98304:voZCtMNcIJm/Wi5iI7vKblq/qDx6472PxO1xv/KiJee:v3OuIEug7vwUGt7S+nKo
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/3668-2-0x0000000004040000-0x000000000492B000-memory.dmp family_glupteba behavioral2/memory/3668-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3160-53-0x0000000003F00000-0x00000000047EB000-memory.dmp family_glupteba behavioral2/memory/3160-55-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3668-57-0x0000000004040000-0x000000000492B000-memory.dmp family_glupteba behavioral2/memory/3668-80-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3160-138-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3160-145-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3100-238-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3100-248-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3100-251-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3100-254-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3100-257-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3100-260-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3100-263-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3100-266-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3100-269-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3100-272-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3100-275-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3100-278-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3100-281-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3436 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3100 csrss.exe 2900 injector.exe 3048 windefender.exe 2040 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f8-242.dat upx behavioral2/memory/3048-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2040-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2040-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe File created C:\Windows\rss\csrss.exe 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.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 4236 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 4956 schtasks.exe 236 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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\26\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1204 powershell.exe 1204 powershell.exe 3668 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 3668 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 2660 powershell.exe 2660 powershell.exe 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 4112 powershell.exe 4112 powershell.exe 1584 powershell.exe 1584 powershell.exe 3664 powershell.exe 3664 powershell.exe 1388 powershell.exe 1388 powershell.exe 2864 powershell.exe 2864 powershell.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 3100 csrss.exe 3100 csrss.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 3100 csrss.exe 3100 csrss.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 3100 csrss.exe 3100 csrss.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1204 powershell.exe Token: SeDebugPrivilege 3668 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Token: SeImpersonatePrivilege 3668 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe Token: SeDebugPrivilege 2660 powershell.exe Token: SeDebugPrivilege 4112 powershell.exe Token: SeDebugPrivilege 1584 powershell.exe Token: SeDebugPrivilege 3664 powershell.exe Token: SeDebugPrivilege 1388 powershell.exe Token: SeDebugPrivilege 2864 powershell.exe Token: SeSystemEnvironmentPrivilege 3100 csrss.exe Token: SeSecurityPrivilege 4236 sc.exe Token: SeSecurityPrivilege 4236 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3668 wrote to memory of 1204 3668 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 81 PID 3668 wrote to memory of 1204 3668 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 81 PID 3668 wrote to memory of 1204 3668 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 81 PID 3160 wrote to memory of 2660 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 86 PID 3160 wrote to memory of 2660 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 86 PID 3160 wrote to memory of 2660 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 86 PID 3160 wrote to memory of 3744 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 88 PID 3160 wrote to memory of 3744 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 88 PID 3744 wrote to memory of 3436 3744 cmd.exe 90 PID 3744 wrote to memory of 3436 3744 cmd.exe 90 PID 3160 wrote to memory of 4112 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 91 PID 3160 wrote to memory of 4112 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 91 PID 3160 wrote to memory of 4112 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 91 PID 3160 wrote to memory of 1584 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 93 PID 3160 wrote to memory of 1584 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 93 PID 3160 wrote to memory of 1584 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 93 PID 3160 wrote to memory of 3100 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 95 PID 3160 wrote to memory of 3100 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 95 PID 3160 wrote to memory of 3100 3160 2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe 95 PID 3100 wrote to memory of 3664 3100 csrss.exe 96 PID 3100 wrote to memory of 3664 3100 csrss.exe 96 PID 3100 wrote to memory of 3664 3100 csrss.exe 96 PID 3100 wrote to memory of 1388 3100 csrss.exe 101 PID 3100 wrote to memory of 1388 3100 csrss.exe 101 PID 3100 wrote to memory of 1388 3100 csrss.exe 101 PID 3100 wrote to memory of 2864 3100 csrss.exe 104 PID 3100 wrote to memory of 2864 3100 csrss.exe 104 PID 3100 wrote to memory of 2864 3100 csrss.exe 104 PID 3100 wrote to memory of 2900 3100 csrss.exe 106 PID 3100 wrote to memory of 2900 3100 csrss.exe 106 PID 3048 wrote to memory of 2664 3048 windefender.exe 112 PID 3048 wrote to memory of 2664 3048 windefender.exe 112 PID 3048 wrote to memory of 2664 3048 windefender.exe 112 PID 2664 wrote to memory of 4236 2664 cmd.exe 113 PID 2664 wrote to memory of 4236 2664 cmd.exe 113 PID 2664 wrote to memory of 4236 2664 cmd.exe 113 -
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\2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe"C:\Users\Admin\AppData\Local\Temp\2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3668 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1204
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C:\Users\Admin\AppData\Local\Temp\2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.exe"C:\Users\Admin\AppData\Local\Temp\2a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f.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:3160 -
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:2660
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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:3744 -
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:3436
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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:4112
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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:1584
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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:3100 -
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:3664
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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:4956
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3700
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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:1388
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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:2864
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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:2900
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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:236
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3048 -
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:2664 -
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:4236
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2040
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
MD5f2b3aa8d85d39e0bb443d48e2fbea84f
SHA1e57bb539a70d08a0a88bcc298406c060d0321968
SHA256ed2a1e2ec08c5831d1b8a6908b0b225a13eb213e21a90b15514c402091fc22cb
SHA5124242e7c44abe00ea49c62de3d67627027ee4614002f76590bf7d04ed096c80a0b401b52f1f74015957214d9169787055dbfe81aca1594614b5137e1aa2c9c010
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e6e643905d5637952ae67ad99a8dd750
SHA1bdc4bf4b4ffd3fc5a887123cdaabc815d27a2f70
SHA25637156d8b62907a79be5a3d499c2131d4203c2d26bf3c65b781fe6756790cddc7
SHA512d3bebbb28a93f685ec232b8ed63b6b7984c133335e4c2b39b8dfee89d462fc3fabc3c2e1b1c6ac91231b09fb9a851462c93232f08090dc0f3c7971da8784a331
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a7f7f4d286f852d419f9d83bb84fceba
SHA1a43f4b115d2e8276fdefac99d4e5e91b5b75b9ba
SHA256e9984ed7eb4b1a1b54978a5f7454151515b3c15a22af197628e94970435e7236
SHA512710db22e5117732fc1b6b66c295a279364d12112629be8d2f7e624a34dd3fab6d5cd036ce839e99ee4fb08e06f4d17ae6b3a1afa95e66c8c12dd513c63bd0006
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53818ce116239eb1071342af3701cab55
SHA1de3dbdbb3a540c790e21191cbb1b8f66454ffa1d
SHA25609fdd02ebe59aa38dd23b00d459d6e9e59d415d6cb919901e29c6f35ba4312dd
SHA512e10e0d0a276b3670f52fcd28472f1637aba03036b9a1d9bd7d7f3c532683ba02718e7210d08f8f9e14414256a922b35083d3a8c8e3fb7afe36d252efacb12957
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54a0b4b756f2c3fad39449e60f884a4f6
SHA13ec4e7da88d6496c3b9b8f149cf2bb7c8c385872
SHA256aa80011597e74fc1e4dc48164c31a0f477f31d12d6f9da13f951abd1f42a6e86
SHA51256147f1842cb31dd03103461e0ceeef83213d4a1774e221868554082c43a93d2b0fc0a168bee789d236442c199097f1cec8ea65ea38346e6d1f25d3626a56ff7
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Filesize
4.2MB
MD543866a3d3e55a5c1b21135648fdb02f1
SHA139396652f940dec4e8d7f4c116ce2665a5bf7b31
SHA2562a7269ac8390a79c9ecf758ddfccbe6f829978081db23df43be99705e50fc08f
SHA512c55c829bce33deee5d56cbd2a80e5d36c3346e75970e12578cfaf988a53fb231349879f947c98bbc2ef68364c971d1acb3094434a09af53fc06d24892b1b64f6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec