Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 07:08
Static task
static1
Behavioral task
behavioral1
Sample
c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe
Resource
win10v2004-20240508-en
General
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Target
c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe
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Size
4.1MB
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MD5
db4f7eb55f7212735898dbd9a789aa73
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SHA1
3755fda9e3be2b3a71565da6b2301c77f3467b24
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SHA256
c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3
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SHA512
f61174c2e6d1e2c42f5ff3a8da37609382a56f078047e04315caa4dc6896fbfc921727b67b044012410d4d553763b6a37d39e22b72c246798b69f379897261a3
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SSDEEP
98304:40IUXroYDzElV89sdV2qHm3LaKbYXl7F29tEHWEXgelgSAZWSyDiLu:jIU7SlV8K2X2AhEHFgekcR
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/1632-2-0x0000000004C90000-0x000000000557B000-memory.dmp family_glupteba behavioral1/memory/1632-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1632-4-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1632-58-0x0000000004C90000-0x000000000557B000-memory.dmp family_glupteba behavioral1/memory/1632-56-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1632-86-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3192-85-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/3192-136-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1048-176-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1048-218-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1048-227-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1048-230-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1048-233-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1048-236-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1048-239-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1048-242-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1048-245-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1048-248-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1048-251-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1756 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1048 csrss.exe 4516 injector.exe 1800 windefender.exe 2384 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/1800-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1800-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2384-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2384-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2384-244-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exec74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exec74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exedescription ioc process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe File created C:\Windows\rss\csrss.exe c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 2556 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 916 powershell.exe 3956 powershell.exe 1388 powershell.exe 3208 powershell.exe 4296 powershell.exe 3944 powershell.exe 1436 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 3668 schtasks.exe 5080 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-1042 = "Ulaanbaatar Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exec74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exepowershell.exec74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 916 powershell.exe 916 powershell.exe 1632 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 1632 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 3956 powershell.exe 3956 powershell.exe 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 1388 powershell.exe 1388 powershell.exe 3208 powershell.exe 3208 powershell.exe 4296 powershell.exe 4296 powershell.exe 3944 powershell.exe 3944 powershell.exe 1436 powershell.exe 1436 powershell.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 1048 csrss.exe 1048 csrss.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 1048 csrss.exe 1048 csrss.exe 4516 injector.exe 4516 injector.exe 1048 csrss.exe 1048 csrss.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe 4516 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exec74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 916 powershell.exe Token: SeDebugPrivilege 1632 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Token: SeImpersonatePrivilege 1632 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Token: SeDebugPrivilege 3956 powershell.exe Token: SeDebugPrivilege 1388 powershell.exe Token: SeDebugPrivilege 3208 powershell.exe Token: SeDebugPrivilege 4296 powershell.exe Token: SeDebugPrivilege 3944 powershell.exe Token: SeDebugPrivilege 1436 powershell.exe Token: SeSystemEnvironmentPrivilege 1048 csrss.exe Token: SeSecurityPrivilege 2556 sc.exe Token: SeSecurityPrivilege 2556 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exec74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1632 wrote to memory of 916 1632 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 1632 wrote to memory of 916 1632 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 1632 wrote to memory of 916 1632 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 3192 wrote to memory of 3956 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 3192 wrote to memory of 3956 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 3192 wrote to memory of 3956 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 3192 wrote to memory of 3140 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe cmd.exe PID 3192 wrote to memory of 3140 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe cmd.exe PID 3140 wrote to memory of 1756 3140 cmd.exe netsh.exe PID 3140 wrote to memory of 1756 3140 cmd.exe netsh.exe PID 3192 wrote to memory of 1388 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 3192 wrote to memory of 1388 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 3192 wrote to memory of 1388 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 3192 wrote to memory of 3208 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 3192 wrote to memory of 3208 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 3192 wrote to memory of 3208 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 3192 wrote to memory of 1048 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe csrss.exe PID 3192 wrote to memory of 1048 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe csrss.exe PID 3192 wrote to memory of 1048 3192 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe csrss.exe PID 1048 wrote to memory of 4296 1048 csrss.exe powershell.exe PID 1048 wrote to memory of 4296 1048 csrss.exe powershell.exe PID 1048 wrote to memory of 4296 1048 csrss.exe powershell.exe PID 1048 wrote to memory of 3944 1048 csrss.exe powershell.exe PID 1048 wrote to memory of 3944 1048 csrss.exe powershell.exe PID 1048 wrote to memory of 3944 1048 csrss.exe powershell.exe PID 1048 wrote to memory of 1436 1048 csrss.exe powershell.exe PID 1048 wrote to memory of 1436 1048 csrss.exe powershell.exe PID 1048 wrote to memory of 1436 1048 csrss.exe powershell.exe PID 1048 wrote to memory of 4516 1048 csrss.exe injector.exe PID 1048 wrote to memory of 4516 1048 csrss.exe injector.exe PID 1800 wrote to memory of 1188 1800 windefender.exe cmd.exe PID 1800 wrote to memory of 1188 1800 windefender.exe cmd.exe PID 1800 wrote to memory of 1188 1800 windefender.exe cmd.exe PID 1188 wrote to memory of 2556 1188 cmd.exe sc.exe PID 1188 wrote to memory of 2556 1188 cmd.exe sc.exe PID 1188 wrote to memory of 2556 1188 cmd.exe sc.exe -
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\c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe"C:\Users\Admin\AppData\Local\Temp\c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:916 -
C:\Users\Admin\AppData\Local\Temp\c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe"C:\Users\Admin\AppData\Local\Temp\c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.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:3192 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3956 -
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:3140 -
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:1756 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1388 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3208 -
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:1048 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4296 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3668 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1092
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3944 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1436 -
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:4516 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5080 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1800 -
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:1188 -
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:2556
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2384
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
MD5aedb758eb37e184036768b15bd050aac
SHA1e99bad343af931d07c982f63e084ffc98109ec8d
SHA25672dbd4c9c18698ce15a8c7a41621dcf5a28b7ae96d2bbda1cb1ffa50a2397113
SHA5122cebe043f9f4dc10cd555de96c88b85c2c3cd1f9e85240bb259075e49e10fcd885ddcbe302ec0546ae408c9e30bcf4e9174e1d977beaba6c481a5ca4dbed6bc8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f6e5d7b6ab40625173b4f4d844f29937
SHA1c1e073c79d5d51fbb16844a54d8bf0c7b9d1316a
SHA2569d4b5f2aa24a5cc98c33cd558d7ac8616a241f750433347b7fe36decec139a7f
SHA51284155361477dc076c7465ff050ccda69514edec1906d36282ffd8f1dbf486ab71cf5d651ecc4b4aad56e102c85439de7aae37c3214756b66306f4a53435e252a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f6f6f3a99db8f2d12711a529addb9d4c
SHA1c549440c10dd1c62d6bd5096b0e3a6120f59cd0a
SHA25612da0d3e3154afe63f9e76ac3a805b2d13b98fb6e8609cfcf509e5e072e792fb
SHA51209636aa6a38596b6032e586b5563801f231822ca6c597148fcfaddec9afbbb4867378170406497d5b3739d40d3173e1deff00d64495febdfab2675903518bdcd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53c999aae2ff97a8f8c1a5d5d82e07f9f
SHA1845260b0eef08c63eedc219b4a5e06b6cb27319c
SHA256a160b5a7141239d755f0c6024b3c6daa2af6d7f98cd39c9a848ea537fa48ff8b
SHA5122e9fc7987e7031b38e490ef09d8c680c1148c829a8ec84034b65be9f9f614673ab1ce69d1bf9db1ccf97da7f1cc70c094012a74d6b494f0299ee875341ed029a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d3f04d0e6487885bfb2481607dabc2e3
SHA12e458c333b38ab9c4babf76b4f002cf0954867a2
SHA256b787c40a280cd9a7d353163737400939649c526c84fe29ac08150dda5ac59a41
SHA5123c88bf43842cbfaf26cd4ec212181870d0913dd8e19f0fd5430c754b3a7973d51722f91684f0640f434d576e133a67d3b83f406d8640e035d9b21b0127f3ada1
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Filesize
4.1MB
MD5db4f7eb55f7212735898dbd9a789aa73
SHA13755fda9e3be2b3a71565da6b2301c77f3467b24
SHA256c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3
SHA512f61174c2e6d1e2c42f5ff3a8da37609382a56f078047e04315caa4dc6896fbfc921727b67b044012410d4d553763b6a37d39e22b72c246798b69f379897261a3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec