Analysis
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max time kernel
150s -
max time network
144s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 21:46
Static task
static1
Behavioral task
behavioral1
Sample
b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe
Resource
win10v2004-20240426-en
General
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Target
b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe
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Size
4.1MB
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MD5
161b02801a39c90c3f73f72e3f11d8f2
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SHA1
c4a28ff1aedf0f95707ac8fa54ae90e8bba0838e
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SHA256
b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58
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SHA512
6d35184d5343ef4302bbf78e6d716ccf6d0b131dd0f86fe2d5a8bf266e7f019e3bce1970057fd3b2641328ccf618a8ea369c75a116eccc16a476dfe5879167c5
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SSDEEP
98304:kX33DbWGkLHuFK+TwQmBC6reQ4TTNXYvI8KgvjrB0rN:kXPWAwQyCdJYw8KggN
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/1100-2-0x0000000004A60000-0x000000000534B000-memory.dmp family_glupteba behavioral2/memory/1100-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1100-99-0x0000000004A60000-0x000000000534B000-memory.dmp family_glupteba behavioral2/memory/1100-98-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1100-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4848-158-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-201-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-213-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-216-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-222-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-226-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-232-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-238-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-242-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-246-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-248-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-252-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2920-258-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3464 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2920 csrss.exe 2528 injector.exe 1968 windefender.exe 4844 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9e7-206.dat upx behavioral2/memory/1968-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1968-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4844-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4844-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4844-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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.
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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe -
Drops file in Windows directory 4 IoCs
Processes:
b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe File created C:\Windows\rss\csrss.exe b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.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.
Processes:
sc.exepid Process 4304 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2392 powershell.exe 2288 powershell.exe 248 powershell.exe 3940 powershell.exe 3120 powershell.exe 2720 powershell.exe 5044 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 1428 schtasks.exe 2320 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exeb4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.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\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exeb4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exepowershell.exeb4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2392 powershell.exe 2392 powershell.exe 1100 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 1100 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 2288 powershell.exe 2288 powershell.exe 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 248 powershell.exe 248 powershell.exe 3940 powershell.exe 3940 powershell.exe 3120 powershell.exe 3120 powershell.exe 2720 powershell.exe 2720 powershell.exe 5044 powershell.exe 5044 powershell.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2920 csrss.exe 2920 csrss.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2920 csrss.exe 2920 csrss.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2920 csrss.exe 2920 csrss.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exeb4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2392 powershell.exe Token: SeDebugPrivilege 1100 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Token: SeImpersonatePrivilege 1100 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe Token: SeDebugPrivilege 2288 powershell.exe Token: SeDebugPrivilege 248 powershell.exe Token: SeDebugPrivilege 3940 powershell.exe Token: SeDebugPrivilege 3120 powershell.exe Token: SeDebugPrivilege 2720 powershell.exe Token: SeDebugPrivilege 5044 powershell.exe Token: SeSystemEnvironmentPrivilege 2920 csrss.exe Token: SeSecurityPrivilege 4304 sc.exe Token: SeSecurityPrivilege 4304 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exeb4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1100 wrote to memory of 2392 1100 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 78 PID 1100 wrote to memory of 2392 1100 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 78 PID 1100 wrote to memory of 2392 1100 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 78 PID 4848 wrote to memory of 2288 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 83 PID 4848 wrote to memory of 2288 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 83 PID 4848 wrote to memory of 2288 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 83 PID 4848 wrote to memory of 4588 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 85 PID 4848 wrote to memory of 4588 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 85 PID 4588 wrote to memory of 3464 4588 cmd.exe 87 PID 4588 wrote to memory of 3464 4588 cmd.exe 87 PID 4848 wrote to memory of 248 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 88 PID 4848 wrote to memory of 248 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 88 PID 4848 wrote to memory of 248 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 88 PID 4848 wrote to memory of 3940 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 90 PID 4848 wrote to memory of 3940 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 90 PID 4848 wrote to memory of 3940 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 90 PID 4848 wrote to memory of 2920 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 92 PID 4848 wrote to memory of 2920 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 92 PID 4848 wrote to memory of 2920 4848 b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe 92 PID 2920 wrote to memory of 3120 2920 csrss.exe 93 PID 2920 wrote to memory of 3120 2920 csrss.exe 93 PID 2920 wrote to memory of 3120 2920 csrss.exe 93 PID 2920 wrote to memory of 2720 2920 csrss.exe 98 PID 2920 wrote to memory of 2720 2920 csrss.exe 98 PID 2920 wrote to memory of 2720 2920 csrss.exe 98 PID 2920 wrote to memory of 5044 2920 csrss.exe 101 PID 2920 wrote to memory of 5044 2920 csrss.exe 101 PID 2920 wrote to memory of 5044 2920 csrss.exe 101 PID 2920 wrote to memory of 2528 2920 csrss.exe 103 PID 2920 wrote to memory of 2528 2920 csrss.exe 103 PID 1968 wrote to memory of 2876 1968 windefender.exe 109 PID 1968 wrote to memory of 2876 1968 windefender.exe 109 PID 1968 wrote to memory of 2876 1968 windefender.exe 109 PID 2876 wrote to memory of 4304 2876 cmd.exe 110 PID 2876 wrote to memory of 4304 2876 cmd.exe 110 PID 2876 wrote to memory of 4304 2876 cmd.exe 110 -
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\b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe"C:\Users\Admin\AppData\Local\Temp\b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2392
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C:\Users\Admin\AppData\Local\Temp\b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.exe"C:\Users\Admin\AppData\Local\Temp\b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58.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:4848 -
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:2288
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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:4588 -
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:3464
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:248
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3940
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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:2920 -
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:3120
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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:1428
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2700
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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:2720
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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:5044
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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:2528
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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:2320
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1968 -
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:2876 -
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:4304
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4844
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f3fa9c7ca65616c6aa2d85955ebbd39b
SHA1c58bf494273ffbe3f829d44e445aeb1c8d67a9d1
SHA256fd90e402daa42f2140e97ef986e252b68f36c70970b5363f77076fac4fd92742
SHA5126337eb26c832ad576c50b5401074d8a6bb11883705ad04b27514847a763dc92f778f85be922db23d73c9837c6eae8d11f288d5350128201dee9081543378aaa5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD528b4b68a8240fa1640266250c81bbf6e
SHA12b36dc22b6c6ddc6283c42e8f1c5ec19d276bac4
SHA2566eb3a45b97fd7bc1aaa08e8a52a7654fb219af917dd3cb5a711bbdb73a13f626
SHA5120d155f02935dc57c81c4c5d9646a48c13e776f7316d08a3f5406de32c4fb5e10e6a2064561e9b2c996089a609372e36477f45b040b3dd5c8fb943bc2fa717fab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c8e8fa9a683c4218d1a54d7af6a9198b
SHA18e7f2d610f5bb41fd4bde79ab3f6ef9902a51f97
SHA256fed9eeb6116250ba764f6518ccc8cd081907d608dcbd2490439e01f1f7813a64
SHA512fb9d81c7674ee8a2ccbd0903a1d34d1990b924131870d4fc2caaed5bc8c1ab605eb14f416ad25795a95363f40cb9c06c32879065ebe6ef68a295da82733c2b69
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD556b097a595c9128ed88c83d96e089345
SHA1389d447a2cb4e7e5a87fa7f7cde2d2d5fc3ca11e
SHA2564cced09e9b1df4ef6bb3d220fcae47189a856b11347f504778b928e28d41ef2e
SHA512a74aba6ce555463fdb144b3f1ef4ebfd98decdfa73405f84ba7b7d8ebe36f381172dc2fcbff3aaac565d6927e17b0cebd8a8472cbda1c39c6f397a792405123d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD510f6bb08b3f6eb875403b9be23c14bca
SHA1d3629c57a01ff33cf99d2254468fd85fc3f3881f
SHA25648aabcd6c4348588c0bb8187ec632ef105daa53f3a53f6efae0d2cdcf41124b9
SHA51291b40758efb025d493303c7bf8ec82e151fa5b0d0587fef085f54dcaeb1087ff563308b4a7f91e0e9f7d5e57b6ce3a6af646e20c22f603f98e4bac1a39fddb1f
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Filesize
4.1MB
MD5161b02801a39c90c3f73f72e3f11d8f2
SHA1c4a28ff1aedf0f95707ac8fa54ae90e8bba0838e
SHA256b4ade72173ddae15fcabe3a5720112babee2841ecaa90813bde64fa56b3c5f58
SHA5126d35184d5343ef4302bbf78e6d716ccf6d0b131dd0f86fe2d5a8bf266e7f019e3bce1970057fd3b2641328ccf618a8ea369c75a116eccc16a476dfe5879167c5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec