Analysis
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max time kernel
149s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 20:35
Static task
static1
Behavioral task
behavioral1
Sample
31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe
Resource
win10v2004-20240508-en
General
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Target
31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe
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Size
4.1MB
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MD5
38991f5c06f1211401578fb7e5b27e84
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SHA1
33d16b11484cbf70f8e4f39722d12c8bcbe52757
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SHA256
31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7
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SHA512
b3bd06a028fc04b6ded52bca940e633d4c598fc224612a24e020795332d92a7187e0032799be674381625410673ae94f441e36c4ce2c2fec95b54c896095b5a4
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SSDEEP
98304:r7sgfTqZm7fywQIpjGUn+cmloZHued8miXbTsPufBvN2:rzgmDywQg+foZ8mw6SM
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2064-2-0x0000000004830000-0x000000000511B000-memory.dmp family_glupteba behavioral1/memory/2064-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2064-94-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2064-134-0x0000000004830000-0x000000000511B000-memory.dmp family_glupteba behavioral1/memory/2064-181-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3752-208-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1596-215-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1596-227-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1596-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1596-234-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1596-238-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1596-243-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1596-247-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1596-250-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1596-254-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1596-259-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1596-263-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1596-266-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1596-270-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1616 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1596 csrss.exe 5072 injector.exe 3988 windefender.exe 4496 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00080000000233f1-220.dat upx behavioral1/memory/3988-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4496-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3988-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4496-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4496-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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 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.
Processes:
31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exedescription ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe File created C:\Windows\rss\csrss.exe 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe File created 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 4964 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3052 powershell.exe 4452 powershell.exe 4376 powershell.exe 2444 powershell.exe 1396 powershell.exe 4908 powershell.exe 1384 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 4480 schtasks.exe 880 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exepowershell.exewindefender.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,-741 = "New Zealand Daylight Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.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,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.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,-732 = "Fiji Standard Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exepowershell.exe31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4908 powershell.exe 4908 powershell.exe 2064 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 2064 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 1384 powershell.exe 1384 powershell.exe 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 3052 powershell.exe 3052 powershell.exe 4452 powershell.exe 4452 powershell.exe 4376 powershell.exe 4376 powershell.exe 2444 powershell.exe 2444 powershell.exe 1396 powershell.exe 1396 powershell.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 1596 csrss.exe 1596 csrss.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 1596 csrss.exe 1596 csrss.exe 5072 injector.exe 5072 injector.exe 1596 csrss.exe 1596 csrss.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe 5072 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4908 powershell.exe Token: SeDebugPrivilege 2064 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Token: SeImpersonatePrivilege 2064 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe Token: SeDebugPrivilege 1384 powershell.exe Token: SeDebugPrivilege 3052 powershell.exe Token: SeDebugPrivilege 4452 powershell.exe Token: SeDebugPrivilege 4376 powershell.exe Token: SeDebugPrivilege 2444 powershell.exe Token: SeDebugPrivilege 1396 powershell.exe Token: SeSystemEnvironmentPrivilege 1596 csrss.exe Token: SeSecurityPrivilege 4964 sc.exe Token: SeSecurityPrivilege 4964 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2064 wrote to memory of 4908 2064 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 82 PID 2064 wrote to memory of 4908 2064 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 82 PID 2064 wrote to memory of 4908 2064 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 82 PID 3752 wrote to memory of 1384 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 90 PID 3752 wrote to memory of 1384 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 90 PID 3752 wrote to memory of 1384 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 90 PID 3752 wrote to memory of 724 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 93 PID 3752 wrote to memory of 724 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 93 PID 724 wrote to memory of 1616 724 cmd.exe 95 PID 724 wrote to memory of 1616 724 cmd.exe 95 PID 3752 wrote to memory of 3052 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 96 PID 3752 wrote to memory of 3052 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 96 PID 3752 wrote to memory of 3052 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 96 PID 3752 wrote to memory of 4452 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 98 PID 3752 wrote to memory of 4452 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 98 PID 3752 wrote to memory of 4452 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 98 PID 3752 wrote to memory of 1596 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 101 PID 3752 wrote to memory of 1596 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 101 PID 3752 wrote to memory of 1596 3752 31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe 101 PID 1596 wrote to memory of 4376 1596 csrss.exe 102 PID 1596 wrote to memory of 4376 1596 csrss.exe 102 PID 1596 wrote to memory of 4376 1596 csrss.exe 102 PID 1596 wrote to memory of 2444 1596 csrss.exe 108 PID 1596 wrote to memory of 2444 1596 csrss.exe 108 PID 1596 wrote to memory of 2444 1596 csrss.exe 108 PID 1596 wrote to memory of 1396 1596 csrss.exe 110 PID 1596 wrote to memory of 1396 1596 csrss.exe 110 PID 1596 wrote to memory of 1396 1596 csrss.exe 110 PID 1596 wrote to memory of 5072 1596 csrss.exe 112 PID 1596 wrote to memory of 5072 1596 csrss.exe 112 PID 3988 wrote to memory of 3952 3988 windefender.exe 119 PID 3988 wrote to memory of 3952 3988 windefender.exe 119 PID 3988 wrote to memory of 3952 3988 windefender.exe 119 PID 3952 wrote to memory of 4964 3952 cmd.exe 120 PID 3952 wrote to memory of 4964 3952 cmd.exe 120 PID 3952 wrote to memory of 4964 3952 cmd.exe 120 -
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\31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe"C:\Users\Admin\AppData\Local\Temp\31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4908
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C:\Users\Admin\AppData\Local\Temp\31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.exe"C:\Users\Admin\AppData\Local\Temp\31e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7.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:3752 -
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:1384
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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:724 -
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:1616
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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:3052
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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:4452
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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:1596 -
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:4376
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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:4480
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3712
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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:2444
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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:1396
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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:5072
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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:880
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3988 -
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:3952 -
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:4964
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4496
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
MD59bf211746c84f026a997378abbc591f9
SHA12f17a52763f6334c8b310777948d864c4929f1cf
SHA2568390300edb1151b66905b87fbf312de46f98691066c115fee61fc668c6e9e1dd
SHA5125e450fff38e54b5c961e7fa9715d4b06da0cb90333a0f7e9ce0faef7ae881734d20262652ea91fd17b0926e5fb142626d48ea09b31158f71752e7a45ec877b62
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cd673da4c27d35d367323e61495a7085
SHA13bd92b9ae5bc5d7d37a17a343317c97e914a0a07
SHA2568ae9969d6ec129faa042997fa25d7b52e212a8b83a0359a82eb64ceabcdb2dc8
SHA5129d3db27187b3a844ccbac8f216171307c452844e061429951ef543176c7686f1bbc29c59fa145447308a30c073df0297767bdb52fe575787e717834404106d3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d19fe3e63bd22dbfb1e5b9523f40fbc2
SHA17f09d0f4c4b63f4deedc50b0aa356dd05c63d23d
SHA256c70b4c18126ce600cae5f8359e7e4979e09dfeeffa7201980d81a95a45bed2bd
SHA5120557131a638f2cfecafbe8afef2438976b299c1f64808ef215f257128ed377df740538fc37c1387fcf05afb264c811328e90f3d336eb79d9f8f151bb673ea48d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58b082169f00adedfa3e121eac3b2b65b
SHA1f48910ec113b8ea9bdd30d890cc01ab060e39047
SHA25670651b7a38d82edb599af5954ddd44ec3aa53f596eba62293d6c25f3eebad11a
SHA512770d69c3d6020b3ce537dabe809ad9e4a7d9095065bf205f159710e34636d2e6bf4eef2ea18aadcf41525964a977997e74d621b1ca980bb8aa3c954d835b6833
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5683b37d5cad6e89472fb886b8e4c2f7a
SHA173a81ce9ffeadc92a567a0e1539b6242d2a39c0f
SHA256b916950003cf14cc5e8e0a28ad168ab2640b91829137c8a6a8b845985e42076b
SHA51240741a92bb86cec4341d002a8a05e402d92e3166e6bdcd93970df2511686a686aeed080902f4bf6f604648384565d310b0e1fe705d72a66d037d4f77024724c8
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Filesize
4.1MB
MD538991f5c06f1211401578fb7e5b27e84
SHA133d16b11484cbf70f8e4f39722d12c8bcbe52757
SHA25631e8d8b511649e1719bf2563d0c0586bbc77c33721ab59af984446700d2349a7
SHA512b3bd06a028fc04b6ded52bca940e633d4c598fc224612a24e020795332d92a7187e0032799be674381625410673ae94f441e36c4ce2c2fec95b54c896095b5a4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec