Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 14:00
Static task
static1
Behavioral task
behavioral1
Sample
1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe
Resource
win10v2004-20240426-en
General
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Target
1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe
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Size
4.1MB
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MD5
8555b896248f47f8b2643d82d7cb17a9
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SHA1
1e80159e5c8d8b40a8dccc05d67b4e86d31d8c8d
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SHA256
1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21
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SHA512
f934f2f31d7bd885e52aecfb5c2539109a73a031152fbaafd1baa766d699ae6221f220727e854494d0ee00f2ae00a392d415ed01a10af1ec1e2cd6d76f90403c
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SSDEEP
98304:cNaXJU8AJvaro5mDbVFqT6QhicqJuM7BOvJODhfBAiYJAl59WV:cqU8A9EamDpImBOY9f2NV
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2428-2-0x0000000004AE0000-0x00000000053CB000-memory.dmp family_glupteba behavioral2/memory/2428-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2428-98-0x0000000004AE0000-0x00000000053CB000-memory.dmp family_glupteba behavioral2/memory/2428-96-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3700-123-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/2428-146-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1496-198-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1496-200-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1496-202-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1496-204-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1496-206-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1496-208-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1496-210-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1496-212-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1496-214-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1496-216-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1496-218-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1496-220-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1496-222-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2552 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 1496 csrss.exe 2512 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe File opened for modification C:\Windows\rss 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe -
pid Process 4876 powershell.exe 1464 powershell.exe 3604 powershell.exe 1532 powershell.exe 2476 powershell.exe 2828 powershell.exe 3756 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 5024 schtasks.exe 2752 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-492 = "India Standard Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.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,-1021 = "Bangladesh Daylight Time" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.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" 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4876 powershell.exe 4876 powershell.exe 2428 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 2428 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 1464 powershell.exe 1464 powershell.exe 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 3604 powershell.exe 3604 powershell.exe 1532 powershell.exe 1532 powershell.exe 2476 powershell.exe 2476 powershell.exe 2828 powershell.exe 2828 powershell.exe 3756 powershell.exe 3756 powershell.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 1496 csrss.exe 1496 csrss.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 1496 csrss.exe 1496 csrss.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe 2512 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4876 powershell.exe Token: SeDebugPrivilege 2428 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Token: SeImpersonatePrivilege 2428 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe Token: SeDebugPrivilege 1464 powershell.exe Token: SeDebugPrivilege 3604 powershell.exe Token: SeDebugPrivilege 1532 powershell.exe Token: SeDebugPrivilege 2476 powershell.exe Token: SeDebugPrivilege 2828 powershell.exe Token: SeDebugPrivilege 3756 powershell.exe Token: SeSystemEnvironmentPrivilege 1496 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2428 wrote to memory of 4876 2428 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 81 PID 2428 wrote to memory of 4876 2428 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 81 PID 2428 wrote to memory of 4876 2428 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 81 PID 3700 wrote to memory of 1464 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 87 PID 3700 wrote to memory of 1464 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 87 PID 3700 wrote to memory of 1464 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 87 PID 3700 wrote to memory of 5064 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 89 PID 3700 wrote to memory of 5064 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 89 PID 5064 wrote to memory of 2552 5064 cmd.exe 91 PID 5064 wrote to memory of 2552 5064 cmd.exe 91 PID 3700 wrote to memory of 3604 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 92 PID 3700 wrote to memory of 3604 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 92 PID 3700 wrote to memory of 3604 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 92 PID 3700 wrote to memory of 1532 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 94 PID 3700 wrote to memory of 1532 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 94 PID 3700 wrote to memory of 1532 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 94 PID 3700 wrote to memory of 1496 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 96 PID 3700 wrote to memory of 1496 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 96 PID 3700 wrote to memory of 1496 3700 1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe 96 PID 1496 wrote to memory of 2476 1496 csrss.exe 97 PID 1496 wrote to memory of 2476 1496 csrss.exe 97 PID 1496 wrote to memory of 2476 1496 csrss.exe 97 PID 1496 wrote to memory of 2828 1496 csrss.exe 103 PID 1496 wrote to memory of 2828 1496 csrss.exe 103 PID 1496 wrote to memory of 2828 1496 csrss.exe 103 PID 1496 wrote to memory of 3756 1496 csrss.exe 105 PID 1496 wrote to memory of 3756 1496 csrss.exe 105 PID 1496 wrote to memory of 3756 1496 csrss.exe 105 PID 1496 wrote to memory of 2512 1496 csrss.exe 107 PID 1496 wrote to memory of 2512 1496 csrss.exe 107 -
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\1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe"C:\Users\Admin\AppData\Local\Temp\1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4876
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C:\Users\Admin\AppData\Local\Temp\1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.exe"C:\Users\Admin\AppData\Local\Temp\1e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21.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:3700 -
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:1464
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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:5064 -
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:2552
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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:3604
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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:1532
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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:1496 -
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:2476
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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:5024
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4568
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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:2828
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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:3756
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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:2512
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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:2752
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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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e23fe6baf656dec28e8a371dc13b3b4e
SHA1d6911d22b609ec9502eece47de195f0148bd9173
SHA256432c896b857fe45018078f5aa3a847a3082a340e66d57f9444f543d4ba01a171
SHA5128bede609fdd219b70ee25c90c9593511ae454841c3cee89e93a8ce37b6724f5092fd56c6f931f9de9199ca872d7151239433fb482b5eebb9278faf58bbd0577b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5326da1d6c9efbc9b34bdae6ca78b63b2
SHA13073e30e4bdb6e5093fb60cfc894e843dffe479a
SHA25645e15fc0186f37a1776adf1c1005210d75dd9054396f1df354de01bf9aa988ac
SHA512da2f20bc79af4b262e527e6fe180292f4a16e71daa894195b48264be1cbbd2d6f01b7a232821b1cd828f25855b8e1ffe329f480ff860d1f1c8bb0454ad72a965
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD566f41d03332513b5596004e5b9f1ecd0
SHA16bac913029708e9bf05004491033098d91df77ef
SHA25683b14a9c36b1bfe4bb993ca60ce943293b61bb46f57734ddfb7bca55682ee5e3
SHA51294096c3c387ef73f595035fee66132ed7fe24f77604058d7d249a5f40c2be89d3a62877694a50168f074520ed28b16f2963ece3b252b44e379976c49f172d302
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD561a1f73eb0f4825223e541fd20155c4c
SHA1cde51aff26d69d34c4036c5b58adff43af901031
SHA256520ee5b67574e19b169742053ab9b23e1ba7db51822227db067b753b67b38c31
SHA512a77f2a0b271d18065747c22ebb4fddac5d3f1b20bb586114b480c54d838533aa7a6881d16aa68cfebb1da3789e3b621acd0ec48842446fdf7b3e2323c4fd6266
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f7d56ec0ea1699b2870134f56c1b7f24
SHA19bb30b2b2bf40cf2cdc37f26bf13fd636d49f8f0
SHA2569952fb8eaef1c82ffbeb11042385c5e07f88c800cf1aba1ed3b300da85c28d86
SHA5125c619667a70133c56e28cfde0b7d942248c290a7003565b1777c61d7c71ad1cf6b592adcdfd2ab71ccc489869937d51bf760deb8458230938dacc75160eeecd0
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Filesize
4.1MB
MD58555b896248f47f8b2643d82d7cb17a9
SHA11e80159e5c8d8b40a8dccc05d67b4e86d31d8c8d
SHA2561e2d4e08ccabd10aecec1292efd91f0ef4140387acdf2e1bfd6c6871d155cd21
SHA512f934f2f31d7bd885e52aecfb5c2539109a73a031152fbaafd1baa766d699ae6221f220727e854494d0ee00f2ae00a392d415ed01a10af1ec1e2cd6d76f90403c