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Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
15/04/2024, 07:43
Static task
static1
Behavioral task
behavioral1
Sample
e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe
Resource
win10v2004-20240412-en
General
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Target
e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe
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Size
4.2MB
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MD5
3a197fa78b3e7e15da7d287a52ee1bb5
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SHA1
6cc5ca3f8593de20358eb859c288e22b8d4b6736
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SHA256
e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091
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SHA512
da7110e1cfab5ffc56416258adfb8301f40270dd6cc27e0ee75e337011d67d3760cbfed3a512e25f4659f46a1648d3d2923fbac22823694479f1ea91d2b4296f
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SSDEEP
98304:zmd7k0NWnb/9dLqPwUThMoXJxcdRhDEhYp+hCf2SDk:s7tQT9dLqYUiA7cdRhDEhhCfFDk
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4632-2-0x0000000005320000-0x0000000005C0B000-memory.dmp family_glupteba behavioral1/memory/4632-3-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/836-55-0x0000000005120000-0x0000000005A0B000-memory.dmp family_glupteba behavioral1/memory/4632-57-0x0000000005320000-0x0000000005C0B000-memory.dmp family_glupteba behavioral1/memory/836-58-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/4632-84-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/836-157-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/5032-258-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/5032-269-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/5032-273-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/5032-277-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/5032-281-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/5032-285-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/5032-289-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/5032-293-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/5032-297-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/5032-301-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/5032-305-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/5032-309-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/5032-313-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4764 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5032 csrss.exe 5116 injector.exe 3384 windefender.exe 3996 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023443-262.dat upx behavioral1/memory/3384-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3996-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3996-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3996-291-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.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 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 -
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 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe File created C:\Windows\rss\csrss.exe e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2260 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1996 schtasks.exe 4832 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\26\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.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\26\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\26\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.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\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2368 powershell.exe 2368 powershell.exe 4632 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 4632 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 1184 powershell.exe 1184 powershell.exe 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 3264 powershell.exe 3264 powershell.exe 1708 powershell.exe 1708 powershell.exe 4860 powershell.exe 4860 powershell.exe 3140 powershell.exe 3140 powershell.exe 264 powershell.exe 264 powershell.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5032 csrss.exe 5032 csrss.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5032 csrss.exe 5032 csrss.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5032 csrss.exe 5032 csrss.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe 5116 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2368 powershell.exe Token: SeDebugPrivilege 4632 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Token: SeImpersonatePrivilege 4632 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe Token: SeDebugPrivilege 1184 powershell.exe Token: SeDebugPrivilege 3264 powershell.exe Token: SeDebugPrivilege 1708 powershell.exe Token: SeDebugPrivilege 4860 powershell.exe Token: SeDebugPrivilege 3140 powershell.exe Token: SeDebugPrivilege 264 powershell.exe Token: SeSystemEnvironmentPrivilege 5032 csrss.exe Token: SeSecurityPrivilege 2260 sc.exe Token: SeSecurityPrivilege 2260 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4632 wrote to memory of 2368 4632 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 84 PID 4632 wrote to memory of 2368 4632 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 84 PID 4632 wrote to memory of 2368 4632 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 84 PID 836 wrote to memory of 1184 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 89 PID 836 wrote to memory of 1184 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 89 PID 836 wrote to memory of 1184 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 89 PID 836 wrote to memory of 1524 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 91 PID 836 wrote to memory of 1524 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 91 PID 1524 wrote to memory of 4764 1524 cmd.exe 93 PID 1524 wrote to memory of 4764 1524 cmd.exe 93 PID 836 wrote to memory of 3264 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 94 PID 836 wrote to memory of 3264 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 94 PID 836 wrote to memory of 3264 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 94 PID 836 wrote to memory of 1708 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 96 PID 836 wrote to memory of 1708 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 96 PID 836 wrote to memory of 1708 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 96 PID 836 wrote to memory of 5032 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 98 PID 836 wrote to memory of 5032 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 98 PID 836 wrote to memory of 5032 836 e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe 98 PID 5032 wrote to memory of 4860 5032 csrss.exe 99 PID 5032 wrote to memory of 4860 5032 csrss.exe 99 PID 5032 wrote to memory of 4860 5032 csrss.exe 99 PID 5032 wrote to memory of 3140 5032 csrss.exe 104 PID 5032 wrote to memory of 3140 5032 csrss.exe 104 PID 5032 wrote to memory of 3140 5032 csrss.exe 104 PID 5032 wrote to memory of 264 5032 csrss.exe 107 PID 5032 wrote to memory of 264 5032 csrss.exe 107 PID 5032 wrote to memory of 264 5032 csrss.exe 107 PID 5032 wrote to memory of 5116 5032 csrss.exe 116 PID 5032 wrote to memory of 5116 5032 csrss.exe 116 PID 3384 wrote to memory of 4944 3384 windefender.exe 125 PID 3384 wrote to memory of 4944 3384 windefender.exe 125 PID 3384 wrote to memory of 4944 3384 windefender.exe 125 PID 4944 wrote to memory of 2260 4944 cmd.exe 126 PID 4944 wrote to memory of 2260 4944 cmd.exe 126 PID 4944 wrote to memory of 2260 4944 cmd.exe 126 -
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\e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe"C:\Users\Admin\AppData\Local\Temp\e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4632 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2368
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C:\Users\Admin\AppData\Local\Temp\e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.exe"C:\Users\Admin\AppData\Local\Temp\e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091.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:836 -
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:1184
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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:1524 -
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:4764
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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:3264
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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:1708
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5032 -
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:4860
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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:1996
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2720
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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:3140
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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:264
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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:5116
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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:4832
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3384 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:4944 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:2260
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3996
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
MD542faa341e9c91433ca3ff2bf66f3ffe6
SHA182bc6f1e07c690b47d1b4c0afba842729c61fb23
SHA256b65d6c3ca078460d994b9aa2b6ddb1c2d54452d8b6f8ad052f5ebb1916c99fa4
SHA512bba5da4162028ef5c847892d84bc81cfccab6ae88122f7ebf5448f495f32a7bcf02775bee7aea956f462a112ff71da7bf7dcf65dad8666484fff3410db0c914c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f0b1a2e5427808509df14171d261f726
SHA1804e0196a26ee9b407ebb8ba49da21a1f6acf79b
SHA2567fe0961b707ec0f7847f412af29d86d7357b14bd6c8e1cf6908651ae540ee0f8
SHA5120f7298fe1f2a0a865859b62100f98528633022c0f38c06719c319286ee42f250a95cd1d9d4d6aae10886659d489129f162dfd22aa5b9363d90b24c2a5a0d775c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD558869e0ad6d9f86166aaa524cca2f395
SHA1b46c1742ff85c6fc3f092cd22d15520c21325822
SHA2566822b412446d27ba07f2c8509b5f0a006ced1ab37560855fb23015aa1320f88a
SHA512838128ea9b6edc3a0434c984fde049f982ca5bf7f27d619ce08f9a1103e47c7f5c3039fba728870ddcc3c7953e019822bb4edc3721f4e55b7df9f897aaaa1665
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD567edacaf45a3a1b5be7700cef7284336
SHA176076db35ff848bd4f69d7d95f08f9f37a5d8eb3
SHA25652774f7cd4e55466c747b60882bb4eb0573c1a820dfd81e75f48e0cab6b72e73
SHA512c39c77da1962e65097be45f9fc184e6390465d08f60c22ad2a1d9b8ceeabd332a4c365da75fc832bff621cafbc1e1a6b3c6811fba2f4978a41f8997ee7b3d9a2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD528fbc2e2c9875d3a46759e5197d59770
SHA13e726dfc34a9351e119efd960b10071743d1c5db
SHA256c8cdf280569199a3ad3ccf860da8b1b25cb0bf4f56401dc43635035ae78621ea
SHA5127b9e76c9d60176383006e38fe2b5ee2711cf1128b00b70be5bb1d5e990b51f28185cb31c3c58f03b860e9b3c9e26042fe1af6b91998cb1829fa402365f648620
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Filesize
4.2MB
MD53a197fa78b3e7e15da7d287a52ee1bb5
SHA16cc5ca3f8593de20358eb859c288e22b8d4b6736
SHA256e8852d44e9a1579f9d49849efaa324c11c676640f5ddf41ccd3bf15677424091
SHA512da7110e1cfab5ffc56416258adfb8301f40270dd6cc27e0ee75e337011d67d3760cbfed3a512e25f4659f46a1648d3d2923fbac22823694479f1ea91d2b4296f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec