Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 04:23
Static task
static1
Behavioral task
behavioral1
Sample
10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe
Resource
win10v2004-20240412-en
General
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Target
10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe
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Size
4.2MB
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MD5
5f31ce6c161b46cf02e6c7e2764959a5
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SHA1
24ade1ee0ea8dfc8fc1ebcfb96f052a9ac7ffeb1
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SHA256
10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0
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SHA512
8c73617fa0de647ccfde351f8396be1f620b0002684a6223b0f107be052f421ceac8d99392242528fe3f10b28332005931c8383b22a01c4a70a6c18bbd88e9e0
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SSDEEP
98304:MRUBmLZ3rmtSop/fcfKtwQG3TQtt4oKMJO6VS6U7CKzh7w:UxKEC/fcfKt9ykOWRUGoh7w
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/4272-2-0x0000000005260000-0x0000000005B4B000-memory.dmp family_glupteba behavioral1/memory/4272-3-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/4272-55-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/4464-58-0x00000000051D0000-0x0000000005ABB000-memory.dmp family_glupteba behavioral1/memory/4272-57-0x0000000005260000-0x0000000005B4B000-memory.dmp family_glupteba behavioral1/memory/4464-59-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/4464-137-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/4464-159-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3220-263-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3220-272-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3220-274-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3220-276-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3220-278-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3220-280-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3220-282-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3220-284-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3220-286-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3220-288-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3220-290-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3220-292-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3220-294-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1912 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3220 csrss.exe 4508 injector.exe 4780 windefender.exe 2560 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023432-266.dat upx behavioral1/memory/4780-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2560-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2560-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\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 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 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe File created C:\Windows\rss\csrss.exe 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.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 2148 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4040 4272 WerFault.exe 85 2932 4464 WerFault.exe 97 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4468 schtasks.exe 960 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,-491 = "India Daylight Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3168 powershell.exe 3168 powershell.exe 4272 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 4272 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 2608 powershell.exe 2608 powershell.exe 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 4656 powershell.exe 4656 powershell.exe 4188 powershell.exe 4188 powershell.exe 2360 powershell.exe 2360 powershell.exe 1148 powershell.exe 1148 powershell.exe 4776 powershell.exe 4776 powershell.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 3220 csrss.exe 3220 csrss.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 3220 csrss.exe 3220 csrss.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 3220 csrss.exe 3220 csrss.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3168 powershell.exe Token: SeDebugPrivilege 4272 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Token: SeImpersonatePrivilege 4272 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe Token: SeDebugPrivilege 2608 powershell.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 4188 powershell.exe Token: SeDebugPrivilege 2360 powershell.exe Token: SeDebugPrivilege 1148 powershell.exe Token: SeDebugPrivilege 4776 powershell.exe Token: SeSystemEnvironmentPrivilege 3220 csrss.exe Token: SeSecurityPrivilege 2148 sc.exe Token: SeSecurityPrivilege 2148 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4272 wrote to memory of 3168 4272 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 91 PID 4272 wrote to memory of 3168 4272 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 91 PID 4272 wrote to memory of 3168 4272 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 91 PID 4464 wrote to memory of 2608 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 100 PID 4464 wrote to memory of 2608 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 100 PID 4464 wrote to memory of 2608 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 100 PID 4464 wrote to memory of 1716 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 102 PID 4464 wrote to memory of 1716 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 102 PID 1716 wrote to memory of 1912 1716 cmd.exe 104 PID 1716 wrote to memory of 1912 1716 cmd.exe 104 PID 4464 wrote to memory of 4656 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 105 PID 4464 wrote to memory of 4656 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 105 PID 4464 wrote to memory of 4656 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 105 PID 4464 wrote to memory of 4188 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 107 PID 4464 wrote to memory of 4188 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 107 PID 4464 wrote to memory of 4188 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 107 PID 4464 wrote to memory of 3220 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 109 PID 4464 wrote to memory of 3220 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 109 PID 4464 wrote to memory of 3220 4464 10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe 109 PID 3220 wrote to memory of 2360 3220 csrss.exe 112 PID 3220 wrote to memory of 2360 3220 csrss.exe 112 PID 3220 wrote to memory of 2360 3220 csrss.exe 112 PID 3220 wrote to memory of 1148 3220 csrss.exe 117 PID 3220 wrote to memory of 1148 3220 csrss.exe 117 PID 3220 wrote to memory of 1148 3220 csrss.exe 117 PID 3220 wrote to memory of 4776 3220 csrss.exe 120 PID 3220 wrote to memory of 4776 3220 csrss.exe 120 PID 3220 wrote to memory of 4776 3220 csrss.exe 120 PID 3220 wrote to memory of 4508 3220 csrss.exe 122 PID 3220 wrote to memory of 4508 3220 csrss.exe 122 PID 4780 wrote to memory of 2892 4780 windefender.exe 129 PID 4780 wrote to memory of 2892 4780 windefender.exe 129 PID 4780 wrote to memory of 2892 4780 windefender.exe 129 PID 2892 wrote to memory of 2148 2892 cmd.exe 130 PID 2892 wrote to memory of 2148 2892 cmd.exe 130 PID 2892 wrote to memory of 2148 2892 cmd.exe 130 -
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\10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe"C:\Users\Admin\AppData\Local\Temp\10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4272 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3168
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C:\Users\Admin\AppData\Local\Temp\10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.exe"C:\Users\Admin\AppData\Local\Temp\10808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0.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:4464 -
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:2608
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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:1716 -
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:1912
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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:4656
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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:4188
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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:3220 -
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:2360
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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:4468
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1948
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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:1148
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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:4776
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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:4508
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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:960
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4780 -
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:2892 -
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:2148
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 8843⤵
- Program crash
PID:2932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 9402⤵
- Program crash
PID:4040
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4272 -ip 42721⤵PID:1316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4464 -ip 44641⤵PID:1540
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2560
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5285aebc31089a83dd709af2580da558f
SHA1faa8b2c5b43ebe047305d6365ca59bc96aa27a4c
SHA256e747cd580f374895e9c41bb5065a6514beac34f409bfd313fc1c7c877fc170e9
SHA51299d86f1dbd72ca997663612fcbedb75157b006e9d9da55ec96159c52a336a6397d87de2ee271d8348ac40ff91f164b9b7678d99350ab9670260bceb8cb68f2ba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD592f623213f77aacd83b0473a3c14d265
SHA1600bcface89a1eb450c4ec79bdbe034963301968
SHA256713220f908bada782597c19b3c2a6b27794e3ea12c87893f6e0bf33581f8c85b
SHA5126dc7e1e5b69e6f4d3d8e3399093c14c2ef40730ee344c2e8e4c4839a71d4bd61ef2d21bcb28cf312f60d9d811368163b49b9036ee0a061a9a12e6b2eec1181c2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b2363b95868ca6b5ebb3bc7ea9139bb0
SHA1344f5a3e35e7fe241a9e95868040ca47eb30c0c8
SHA256f874660ddd3946f44a1bc815094f88073d5a2c8ca01c58e946f86c572a623c86
SHA512bf2a8a8c9e83a9d9bcfb96a80aa26f113cf6b1a96d3e6f333708f85ab7d630f7a5a5c2400cf5a0a109de550802a7eccee996c50126edc617ae04993fdd854402
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a52e180cdf0fba809dca1819e6c78364
SHA1f2fd6d1eed7d185d77abef16ad27401f416b328c
SHA2563fd5095d53b1758b36d423cf081fb4a210110585b6f22a9add297de4d3a990e5
SHA512ba9d095057a4a3e52ddbb30fc6dc2ab1ec92f77edf6ffd2bf8673bb6a54b9b75718e1161205199c577f5675d0441ca74b892d1a9581e3d34b1a3cad05b48bd20
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52e759e18b50174da2f3ecb8af59ddd19
SHA15bf0fb03b7727d128195f3264d6978a8e560e62c
SHA256e895e83f18b125547d0a0aa8e0de655554c85952de6b2263075479b75dadd334
SHA512c2c630de96568ecb5a157c7bf77f69095f3a0285b6bf027ab521f6f519ad90f1f930ac5b00631f3b7f0b41f3e0df5d00519fa4f219e33c8355ddba3332706767
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Filesize
4.2MB
MD55f31ce6c161b46cf02e6c7e2764959a5
SHA124ade1ee0ea8dfc8fc1ebcfb96f052a9ac7ffeb1
SHA25610808cd4ce3e4858a04f6202b3914645f9ff948937f1af771f3925dfe51a8bc0
SHA5128c73617fa0de647ccfde351f8396be1f620b0002684a6223b0f107be052f421ceac8d99392242528fe3f10b28332005931c8383b22a01c4a70a6c18bbd88e9e0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec