Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 19:13
Static task
static1
Behavioral task
behavioral1
Sample
2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe
Resource
win10v2004-20240426-en
General
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Target
2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe
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Size
4.1MB
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MD5
2beac408d711d4e0332cd7fdf20c8d37
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SHA1
a902c6ae6d4977da73937bab5d90c74a9e6354ee
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SHA256
2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a
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SHA512
07920358c54f8169ebf6a83f030b8029f9ba6962b35ace69cfe3258acb22036814ab6796437de6347ed489ef3cd77890435b0b48a4e51f7ac1c5847b677d1e9f
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SSDEEP
98304:4afxS+/KFMRhUpFC/J2Pi0cUKp/eH4HXqRotZhpRBIVvLyjc:44KGRhU7CB2KZRm43qRo3hpTjc
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3512-2-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/3512-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3512-79-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3512-81-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/5440-182-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/6092-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/6092-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/6092-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/6092-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/6092-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/6092-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/6092-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/6092-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/6092-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/6092-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/6092-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/6092-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/6092-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1740 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 6092 csrss.exe 3732 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe File created C:\Windows\rss\csrss.exe 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe -
pid Process 5488 powershell.exe 5300 powershell.exe 1560 powershell.exe 2544 powershell.exe 968 powershell.exe 1436 powershell.exe 5356 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1884 schtasks.exe 2392 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2544 powershell.exe 2544 powershell.exe 3512 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 3512 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 968 powershell.exe 968 powershell.exe 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 1436 powershell.exe 1436 powershell.exe 5356 powershell.exe 5356 powershell.exe 5488 powershell.exe 5488 powershell.exe 5300 powershell.exe 5300 powershell.exe 1560 powershell.exe 1560 powershell.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 6092 csrss.exe 6092 csrss.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 6092 csrss.exe 6092 csrss.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 2544 powershell.exe Token: SeDebugPrivilege 3512 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Token: SeImpersonatePrivilege 3512 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe Token: SeDebugPrivilege 968 powershell.exe Token: SeDebugPrivilege 1436 powershell.exe Token: SeDebugPrivilege 5356 powershell.exe Token: SeDebugPrivilege 5488 powershell.exe Token: SeDebugPrivilege 5300 powershell.exe Token: SeDebugPrivilege 1560 powershell.exe Token: SeSystemEnvironmentPrivilege 6092 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3512 wrote to memory of 2544 3512 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 87 PID 3512 wrote to memory of 2544 3512 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 87 PID 3512 wrote to memory of 2544 3512 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 87 PID 5440 wrote to memory of 968 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 95 PID 5440 wrote to memory of 968 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 95 PID 5440 wrote to memory of 968 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 95 PID 5440 wrote to memory of 2028 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 99 PID 5440 wrote to memory of 2028 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 99 PID 2028 wrote to memory of 1740 2028 cmd.exe 101 PID 2028 wrote to memory of 1740 2028 cmd.exe 101 PID 5440 wrote to memory of 1436 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 102 PID 5440 wrote to memory of 1436 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 102 PID 5440 wrote to memory of 1436 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 102 PID 5440 wrote to memory of 5356 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 104 PID 5440 wrote to memory of 5356 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 104 PID 5440 wrote to memory of 5356 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 104 PID 5440 wrote to memory of 6092 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 106 PID 5440 wrote to memory of 6092 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 106 PID 5440 wrote to memory of 6092 5440 2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe 106 PID 6092 wrote to memory of 5488 6092 csrss.exe 107 PID 6092 wrote to memory of 5488 6092 csrss.exe 107 PID 6092 wrote to memory of 5488 6092 csrss.exe 107 PID 6092 wrote to memory of 5300 6092 csrss.exe 113 PID 6092 wrote to memory of 5300 6092 csrss.exe 113 PID 6092 wrote to memory of 5300 6092 csrss.exe 113 PID 6092 wrote to memory of 1560 6092 csrss.exe 115 PID 6092 wrote to memory of 1560 6092 csrss.exe 115 PID 6092 wrote to memory of 1560 6092 csrss.exe 115 PID 6092 wrote to memory of 3732 6092 csrss.exe 117 PID 6092 wrote to memory of 3732 6092 csrss.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\2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe"C:\Users\Admin\AppData\Local\Temp\2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3512 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2544
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C:\Users\Admin\AppData\Local\Temp\2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe"C:\Users\Admin\AppData\Local\Temp\2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.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:5440 -
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:968
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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:2028 -
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:1740
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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:1436
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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:5356
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:6092 -
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:5488
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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:1884
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1868
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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:5300
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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:1560
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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:3732
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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:2392
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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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e2287a91eddaea3735c0860f9cfd09c2
SHA1b58073d1b9c6f5f3ff014c4477305340d1522832
SHA256d12b151e6d5599acb5c8f827fcfa8f83b9778d3da39fa2d05590a7540767037b
SHA512625b5ee09e842087ada5d673f0d761db6173d610606f3a2a3f8fb88c1dfcf636e3de4fa8b8899a4755ea7c1c750f174ad63274e9ad664c3fd6785103cbbf12ae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee68c2b8efdc47659cd37b30c4847fff
SHA127d2aaca0e0b75126b07e2f470e9dffaa7cce956
SHA2566ac137f1bc53dd051e827f0733a223c5d0cfe45c3c85414a4ee575ca9e5ea86c
SHA512552af87bc9277f15fc74a18999870bf9e8aebec4e500e01e438f8e83e07b2d9f3ae1d2d7ca606e7cdba5ca694d32d8f5671a898f9b6dc4594f8df6e4d1d637b3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50268d52590a70fe0c68294c412a79086
SHA128c78c02b2ecd1e35050841183759a7240f78cb3
SHA25674c12994491a90fb19c8ea40e3bb62e234de4bed91e6057f515a07f4314cd60d
SHA512db3657b770a35e133691e465905ab361d39668e68ca4ad6903a021a757f7391c74f7d4898938f4a8465b695fc05c080c3ff883706d663ac489634fc677a23e47
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5186a7cfcca79b2416f7ccf901044a9b9
SHA1880e8a1e0b486f0523205bdace1884f23dc3c103
SHA256753e50444398c3574b5e4517953a62188a4af3e13277684412412e75533e65b0
SHA51257d7733447eb82bcc6891bb9398ff2c1aa8693c400f9a0d70cc43bc99589569b2d1a165e16362882fd1587299fdfb049181a17f8c740c524f3decc2becf95c99
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f50f478c2ab7e9e70cb80ab7d7626108
SHA1c5713db6ab86c55ccdeec441509d0bc6b129ba61
SHA2560afeac519a3e7b35c240e7878d86cecbbed226cb1e94317ddf06fa9ef4273979
SHA512fab8be5370ba420df3d4d0f54bdd13aefa720ff489bc851efcbdfa47a64e8529d06d5b52f849abadaae424be41c73c0c38943132936b576411095e927f5c2367
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Filesize
4.1MB
MD52beac408d711d4e0332cd7fdf20c8d37
SHA1a902c6ae6d4977da73937bab5d90c74a9e6354ee
SHA2562499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a
SHA51207920358c54f8169ebf6a83f030b8029f9ba6962b35ace69cfe3258acb22036814ab6796437de6347ed489ef3cd77890435b0b48a4e51f7ac1c5847b677d1e9f