Analysis
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max time kernel
149s -
max time network
149s -
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
b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe
Resource
win10v2004-20240412-en
General
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Target
b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe
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Size
4.2MB
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MD5
21007b91650de676fe3ed6a54c446f46
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SHA1
a23dc19d41697e5fc9a8a8fb497235b523169fc7
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SHA256
b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4
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SHA512
8960796b8eb02bb5f32e4a518d4f4dadee8811b8df4515c7655ad207c2d94cf9d3f8c46188dfec8b62b0f7e8871e5e1e9129d0c0ceaa3a4796585d24ed520fcf
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SSDEEP
98304:noZCtMNcIJm/Wi5iI7vKblq/qDx6472PxO1xv/KiJeT:n3OuIEug7vwUGt7S+nKl
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/2184-2-0x0000000004060000-0x000000000494B000-memory.dmp family_glupteba behavioral2/memory/2184-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3452-43-0x0000000003F70000-0x000000000485B000-memory.dmp family_glupteba behavioral2/memory/3452-44-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2184-67-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3452-124-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4564-141-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3452-197-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4564-232-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4564-242-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4564-246-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4564-250-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4564-254-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4564-258-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4564-262-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4564-266-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4564-270-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4564-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4564-278-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4564-282-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/4564-286-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1324 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4564 csrss.exe 2084 injector.exe 4520 windefender.exe 3400 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa23-236.dat upx behavioral2/memory/4520-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3400-244-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3400-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\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\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 File created 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 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe File created C:\Windows\rss\csrss.exe b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.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 2908 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3548 4068 WerFault.exe 81 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4856 schtasks.exe 1324 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-231 = "Hawaiian 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\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 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" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.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\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4068 powershell.exe 4068 powershell.exe 2184 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 2184 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 3132 powershell.exe 3132 powershell.exe 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 2356 powershell.exe 2356 powershell.exe 4412 powershell.exe 4412 powershell.exe 572 powershell.exe 572 powershell.exe 3016 powershell.exe 3016 powershell.exe 2596 powershell.exe 2596 powershell.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 4564 csrss.exe 4564 csrss.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 4564 csrss.exe 4564 csrss.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 4564 csrss.exe 4564 csrss.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4068 powershell.exe Token: SeDebugPrivilege 2184 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Token: SeImpersonatePrivilege 2184 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe Token: SeDebugPrivilege 3132 powershell.exe Token: SeDebugPrivilege 2356 powershell.exe Token: SeDebugPrivilege 4412 powershell.exe Token: SeDebugPrivilege 572 powershell.exe Token: SeDebugPrivilege 3016 powershell.exe Token: SeDebugPrivilege 2596 powershell.exe Token: SeSystemEnvironmentPrivilege 4564 csrss.exe Token: SeSecurityPrivilege 2908 sc.exe Token: SeSecurityPrivilege 2908 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2184 wrote to memory of 4068 2184 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 81 PID 2184 wrote to memory of 4068 2184 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 81 PID 2184 wrote to memory of 4068 2184 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 81 PID 3452 wrote to memory of 3132 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 89 PID 3452 wrote to memory of 3132 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 89 PID 3452 wrote to memory of 3132 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 89 PID 3452 wrote to memory of 2872 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 91 PID 3452 wrote to memory of 2872 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 91 PID 2872 wrote to memory of 1324 2872 cmd.exe 111 PID 2872 wrote to memory of 1324 2872 cmd.exe 111 PID 3452 wrote to memory of 2356 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 94 PID 3452 wrote to memory of 2356 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 94 PID 3452 wrote to memory of 2356 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 94 PID 3452 wrote to memory of 4412 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 96 PID 3452 wrote to memory of 4412 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 96 PID 3452 wrote to memory of 4412 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 96 PID 3452 wrote to memory of 4564 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 98 PID 3452 wrote to memory of 4564 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 98 PID 3452 wrote to memory of 4564 3452 b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe 98 PID 4564 wrote to memory of 572 4564 csrss.exe 99 PID 4564 wrote to memory of 572 4564 csrss.exe 99 PID 4564 wrote to memory of 572 4564 csrss.exe 99 PID 4564 wrote to memory of 3016 4564 csrss.exe 104 PID 4564 wrote to memory of 3016 4564 csrss.exe 104 PID 4564 wrote to memory of 3016 4564 csrss.exe 104 PID 4564 wrote to memory of 2596 4564 csrss.exe 107 PID 4564 wrote to memory of 2596 4564 csrss.exe 107 PID 4564 wrote to memory of 2596 4564 csrss.exe 107 PID 4564 wrote to memory of 2084 4564 csrss.exe 109 PID 4564 wrote to memory of 2084 4564 csrss.exe 109 PID 4520 wrote to memory of 4776 4520 windefender.exe 115 PID 4520 wrote to memory of 4776 4520 windefender.exe 115 PID 4520 wrote to memory of 4776 4520 windefender.exe 115 PID 4776 wrote to memory of 2908 4776 cmd.exe 116 PID 4776 wrote to memory of 2908 4776 cmd.exe 116 PID 4776 wrote to memory of 2908 4776 cmd.exe 116 -
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\b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe"C:\Users\Admin\AppData\Local\Temp\b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4068 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 24163⤵
- Program crash
PID:3548
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C:\Users\Admin\AppData\Local\Temp\b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.exe"C:\Users\Admin\AppData\Local\Temp\b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4.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:3452 -
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:3132
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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:2872 -
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:1324
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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:2356
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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:4412
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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:4564 -
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:572
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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:4856
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1608
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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:3016
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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:2596
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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:2084
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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:1324
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4520 -
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:4776 -
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:2908
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4068 -ip 40681⤵PID:104
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3400
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
MD5dca3c536e3b0f6378a3bfb5f5e09a5a9
SHA12be17a363e0d498b86a15cf9734985a58b1f2fc7
SHA256d714a0440872264555cabc03c8fddc53d9540b733610cb0eb53002667552ed22
SHA5127b333b55c7b964e1618f00b30292e8031d1701b94e0db9cd02fc2de936189223412224c28702d65bb008e9427a3c1e6414e7b739201879cc6106c0f64939579c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD554728eab0ccb1f50b2ef3c31506dbf0a
SHA1139c0081a0e274d8878cfeed70b2828a4726ff34
SHA25647432f10efafa5fe750704bf8a8eaffef4c3a3a49cd2c28f4402fbbaff6c36a4
SHA5120b466a9d6509dd081495ad736797c3c10a3c4f00f56d20aa17e0e6c9d5a7fcf86f63d7bc99c1de97adb3b1bff91dff4cb0e2d2b3e3f3be623f2a2ebcdedec3ff
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a78ca235bcc4e78380821cc1a34bc828
SHA1c7bbc5381cb3dde1b186c179a8ac7673fba0e591
SHA2566e6191c184a9bf42081119ab662a57cdd3e5717e18c4a773e3e10809d3e438d2
SHA512f81fc55a46c70da06ba9a62e71b5ae923351844edbea8aaa0b1f65f230945281778067dfd8b717401604f34ba8654fe1a8f2a322ac501a7d2d156e6a7630f60c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bf495451ffa934b3c1e0723a522cb70f
SHA18cf2b6fdf2cae44683d5fa960241b66d1c821ff2
SHA2564590027a00d74a3a0494dcc858dab91eae2e61d047acd609dea40d4d23c7e53f
SHA5120c6fc24ad37177df8d5ef69f9b4cc42a799050c254a1c13f0bf0e58155dc411e3e063fe7bb7020efeae35940d3d68d275848944c50e02ff451d3c419e230c791
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56c5abe6fa8b124b686ebba6b131f73f4
SHA116a260c595e6ca5231ce8c3d9a004a340d165bc9
SHA2560610f34bc18997f337d15d145e6982eac418478ede1d880c5ad7b7f229d5c781
SHA51274763c4bc2ce6843f63f0c1261fa96b23514852b4e577f9fd6f3d15a0e6840f49ce7341870e8fe3f912d35f88672a9287f26512b72cca39236c81a9c256aadac
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Filesize
4.2MB
MD521007b91650de676fe3ed6a54c446f46
SHA1a23dc19d41697e5fc9a8a8fb497235b523169fc7
SHA256b1268f7a4c29945cc6bb3c6303b5dcd0a443c4d2be0847e454fb6d48d8f246e4
SHA5128960796b8eb02bb5f32e4a518d4f4dadee8811b8df4515c7655ad207c2d94cf9d3f8c46188dfec8b62b0f7e8871e5e1e9129d0c0ceaa3a4796585d24ed520fcf
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec