Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
01/05/2024, 04:52
Static task
static1
Behavioral task
behavioral1
Sample
e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe
Resource
win10v2004-20240419-en
General
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Target
e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe
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Size
4.1MB
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MD5
e6305f7bca884a8d1bbe0557b0788440
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SHA1
e3afad1720f967ce9475d5973eee6cc4f7801804
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SHA256
e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50
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SHA512
50f57b8ccd88c082b181f7fd69d4d1e836c8af885e2a4377c9046755e8df16c545858af1a962ff8d47aa4d33a234e312a81da6f673cd17da3404dd0c42f8b861
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SSDEEP
98304:/nLDm1XoLdMR8t8Rupb9uumF9S8JB25VPPQ2VTa74pIHCaea:/fE4ht8Q1UumFLAPQ2VTFpIia3
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1748-2-0x0000000004F30000-0x000000000581B000-memory.dmp family_glupteba behavioral1/memory/1748-3-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1748-26-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1748-59-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1748-60-0x0000000004F30000-0x000000000581B000-memory.dmp family_glupteba behavioral1/memory/3952-71-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3952-139-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/2960-142-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/2960-167-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/2960-218-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/2960-228-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/2960-230-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/2960-234-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/2960-237-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/2960-240-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/2960-242-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/2960-246-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/2960-249-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2300 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2960 csrss.exe 1908 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\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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Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
flow ioc 25 raw.githubusercontent.com -
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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe File created C:\Windows\rss\csrss.exe e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.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 2940 schtasks.exe 4796 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,-402 = "Arabic Standard Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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,-2162 = "Altai Standard Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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,-832 = "SA Eastern Standard Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-251 = "Dateline Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-841 = "Argentina Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-1802 = "Line Islands Standard Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2444 powershell.exe 2444 powershell.exe 1748 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 1748 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 1408 powershell.exe 1408 powershell.exe 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 3732 powershell.exe 3732 powershell.exe 3208 powershell.exe 3208 powershell.exe 4520 powershell.exe 4520 powershell.exe 1408 powershell.exe 1408 powershell.exe 3080 powershell.exe 3080 powershell.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 2960 csrss.exe 2960 csrss.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 2960 csrss.exe 2960 csrss.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe 1908 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 2444 powershell.exe Token: SeDebugPrivilege 1748 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Token: SeImpersonatePrivilege 1748 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe Token: SeDebugPrivilege 1408 powershell.exe Token: SeDebugPrivilege 3732 powershell.exe Token: SeDebugPrivilege 3208 powershell.exe Token: SeDebugPrivilege 4520 powershell.exe Token: SeDebugPrivilege 1408 powershell.exe Token: SeDebugPrivilege 3080 powershell.exe Token: SeSystemEnvironmentPrivilege 2960 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1748 wrote to memory of 2444 1748 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 89 PID 1748 wrote to memory of 2444 1748 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 89 PID 1748 wrote to memory of 2444 1748 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 89 PID 3952 wrote to memory of 1408 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 94 PID 3952 wrote to memory of 1408 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 94 PID 3952 wrote to memory of 1408 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 94 PID 3952 wrote to memory of 4364 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 96 PID 3952 wrote to memory of 4364 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 96 PID 4364 wrote to memory of 2300 4364 cmd.exe 98 PID 4364 wrote to memory of 2300 4364 cmd.exe 98 PID 3952 wrote to memory of 3732 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 100 PID 3952 wrote to memory of 3732 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 100 PID 3952 wrote to memory of 3732 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 100 PID 3952 wrote to memory of 3208 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 102 PID 3952 wrote to memory of 3208 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 102 PID 3952 wrote to memory of 3208 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 102 PID 3952 wrote to memory of 2960 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 104 PID 3952 wrote to memory of 2960 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 104 PID 3952 wrote to memory of 2960 3952 e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe 104 PID 2960 wrote to memory of 4520 2960 csrss.exe 105 PID 2960 wrote to memory of 4520 2960 csrss.exe 105 PID 2960 wrote to memory of 4520 2960 csrss.exe 105 PID 2960 wrote to memory of 1408 2960 csrss.exe 114 PID 2960 wrote to memory of 1408 2960 csrss.exe 114 PID 2960 wrote to memory of 1408 2960 csrss.exe 114 PID 2960 wrote to memory of 3080 2960 csrss.exe 117 PID 2960 wrote to memory of 3080 2960 csrss.exe 117 PID 2960 wrote to memory of 3080 2960 csrss.exe 117 PID 2960 wrote to memory of 1908 2960 csrss.exe 119 PID 2960 wrote to memory of 1908 2960 csrss.exe 119 -
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\e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe"C:\Users\Admin\AppData\Local\Temp\e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1748 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2444
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C:\Users\Admin\AppData\Local\Temp\e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.exe"C:\Users\Admin\AppData\Local\Temp\e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50.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:3952 -
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:1408
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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:4364 -
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:2300
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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:3732
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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:3208
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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:2960 -
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:4520
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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:2940
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2008
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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:1408
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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:3080
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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:1908
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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:4796
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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5188b749a3eb44564d6b46bf25f5dda03
SHA13a0c3466e02a584e7f2dd2cbb7d5d296c2061354
SHA256c6baab8b330b99d5f74b27e4730abcdb5acb078e3d583ba78e22dde512306647
SHA5121be6072fd9556000d953f1550efae21c448066977616d71b54d232f75808c1b10755fa565afd6f5e63265c50f1faa8c1cec3e5b63578dae56ede0535ac5f9a2d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ecd3ad596d67d717d4b9dfa102011488
SHA1c9e21124485f03e95a0b14bff01e3a407d0d5a0a
SHA256f0800514150818b1c9d3a5ed67b6afd4156080f049b98d14bde779bbe09b2635
SHA512bb89bd44931140c70c5bb192dd12339a966143cb9d6470ca268388fd4ed756189cf36686aeabf8cdfc76ee876991038cb06f66693151ccea2fb53e756a5abee4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d689c027c9ff007eee81bce1c72b3eab
SHA1a44190dfe3c91d6d2e7593ebd00e89db5429a11c
SHA256419538c944ecee8ba7ea72ce503dd5e959ab7f0592fa7c0388b88c250362cbf7
SHA512ddb008a90e1bec90087fdb5806be92e4dd5ff377a233f8e2a3d3009f79c33332fe3fbcb92d1f8630933d09c0539191fedba5e850cbb489d692973702e32b3adf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c3955a74e96c225c74732fa4e63f4529
SHA179dda407a35a9909a990475463ec5e8977c61840
SHA256b630559e4ebde7989b816412e1c54ef3a13079dd9ceaaf424d5d1bcc3313186d
SHA51202b09deaad59b7a8c9f166adbc59e56defd66bbeb2cd850c7b6fd98d90e6be8650f3b28ff54d343d0584a482409fa6c00e28140244e916836d9b6b7ca5bb29a2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f023c60840945c574b4aa5a6f5a961be
SHA1c9ad06b1b340261b9e887b8209a59ba7bfd9e9d5
SHA25683b7ad175e1a82a4b77f4dba5fde7d2432fd1b9016bd4b8b952f73b947503c9f
SHA5121d553f4fd8a37df02e535cfee7dd0e5e79338a22aea3b5e99ae558a9cddc3fe8dff7a17f44a2c6e3d75f04983658f3f6567f035f447454ccd01bc613a877e9e3
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Filesize
4.1MB
MD5e6305f7bca884a8d1bbe0557b0788440
SHA1e3afad1720f967ce9475d5973eee6cc4f7801804
SHA256e6b370f14645f018a59de52a4a0801a375dee030e44d8e8497e21dab35625b50
SHA51250f57b8ccd88c082b181f7fd69d4d1e836c8af885e2a4377c9046755e8df16c545858af1a962ff8d47aa4d33a234e312a81da6f673cd17da3404dd0c42f8b861