Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
22/04/2024, 18:04
Static task
static1
Behavioral task
behavioral1
Sample
995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe
Resource
win10v2004-20240412-en
General
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Target
995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe
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Size
4.2MB
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MD5
35d98a7c50ce45660c51e427649bc9b0
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SHA1
afbdaf993a60e39f92a1deb5e39dd3ffdf86b8a2
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SHA256
995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219
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SHA512
105015eb8095a6d8965c468fba82c52375cbd1e1f35b5f6cd08379506a2f8a3dc94c1d02e0b9a093bf9dd665296adc7956c091ebadc007c6b954746092a0e799
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SSDEEP
98304:HjT6pm/2P1EIedoyrrZXBhSyarnWHeLg8t+TS4+Tk8:Hv6U2PmIStrrdSyAWH+g8L
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1508-2-0x0000000005280000-0x0000000005B6B000-memory.dmp family_glupteba behavioral1/memory/1508-3-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1508-46-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/1508-48-0x0000000005280000-0x0000000005B6B000-memory.dmp family_glupteba behavioral1/memory/2436-51-0x0000000005250000-0x0000000005B3B000-memory.dmp family_glupteba behavioral1/memory/2436-52-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2436-66-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2436-130-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2436-152-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3984-171-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3984-253-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3984-255-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3984-257-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3984-267-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3984-270-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3984-273-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3984-276-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3984-279-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3984-282-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1776 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3984 csrss.exe 4768 injector.exe 4592 windefender.exe 4744 windefender.exe -
resource yara_rule behavioral1/files/0x000f000000023362-260.dat upx behavioral1/memory/4592-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4744-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4744-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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 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 -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe -
Drops file in Windows directory 4 IoCs
description 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 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe File created C:\Windows\rss\csrss.exe 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3804 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3956 1308 WerFault.exe 90 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4644 schtasks.exe 3256 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\26\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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\26\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1308 powershell.exe 1308 powershell.exe 1508 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 1508 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 2104 powershell.exe 2104 powershell.exe 2104 powershell.exe 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 4160 powershell.exe 4160 powershell.exe 4160 powershell.exe 3104 powershell.exe 3104 powershell.exe 3104 powershell.exe 2360 powershell.exe 2360 powershell.exe 2360 powershell.exe 2004 powershell.exe 2004 powershell.exe 2004 powershell.exe 2432 powershell.exe 2432 powershell.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 3984 csrss.exe 3984 csrss.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 3984 csrss.exe 3984 csrss.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe 4768 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1308 powershell.exe Token: SeDebugPrivilege 1508 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Token: SeImpersonatePrivilege 1508 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe Token: SeDebugPrivilege 2104 powershell.exe Token: SeDebugPrivilege 4160 powershell.exe Token: SeDebugPrivilege 3104 powershell.exe Token: SeDebugPrivilege 2360 powershell.exe Token: SeDebugPrivilege 2004 powershell.exe Token: SeDebugPrivilege 2432 powershell.exe Token: SeSystemEnvironmentPrivilege 3984 csrss.exe Token: SeSecurityPrivilege 3804 sc.exe Token: SeSecurityPrivilege 3804 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1508 wrote to memory of 1308 1508 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 90 PID 1508 wrote to memory of 1308 1508 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 90 PID 1508 wrote to memory of 1308 1508 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 90 PID 2436 wrote to memory of 2104 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 104 PID 2436 wrote to memory of 2104 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 104 PID 2436 wrote to memory of 2104 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 104 PID 2436 wrote to memory of 1972 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 107 PID 2436 wrote to memory of 1972 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 107 PID 1972 wrote to memory of 1776 1972 cmd.exe 109 PID 1972 wrote to memory of 1776 1972 cmd.exe 109 PID 2436 wrote to memory of 4160 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 110 PID 2436 wrote to memory of 4160 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 110 PID 2436 wrote to memory of 4160 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 110 PID 2436 wrote to memory of 3104 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 112 PID 2436 wrote to memory of 3104 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 112 PID 2436 wrote to memory of 3104 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 112 PID 2436 wrote to memory of 3984 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 115 PID 2436 wrote to memory of 3984 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 115 PID 2436 wrote to memory of 3984 2436 995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe 115 PID 3984 wrote to memory of 2360 3984 csrss.exe 116 PID 3984 wrote to memory of 2360 3984 csrss.exe 116 PID 3984 wrote to memory of 2360 3984 csrss.exe 116 PID 3984 wrote to memory of 2004 3984 csrss.exe 121 PID 3984 wrote to memory of 2004 3984 csrss.exe 121 PID 3984 wrote to memory of 2004 3984 csrss.exe 121 PID 3984 wrote to memory of 2432 3984 csrss.exe 124 PID 3984 wrote to memory of 2432 3984 csrss.exe 124 PID 3984 wrote to memory of 2432 3984 csrss.exe 124 PID 3984 wrote to memory of 4768 3984 csrss.exe 126 PID 3984 wrote to memory of 4768 3984 csrss.exe 126 PID 4592 wrote to memory of 2000 4592 windefender.exe 136 PID 4592 wrote to memory of 2000 4592 windefender.exe 136 PID 4592 wrote to memory of 2000 4592 windefender.exe 136 PID 2000 wrote to memory of 3804 2000 cmd.exe 137 PID 2000 wrote to memory of 3804 2000 cmd.exe 137 PID 2000 wrote to memory of 3804 2000 cmd.exe 137 -
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\995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe"C:\Users\Admin\AppData\Local\Temp\995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1308 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1308 -s 24603⤵
- Program crash
PID:3956
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C:\Users\Admin\AppData\Local\Temp\995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.exe"C:\Users\Admin\AppData\Local\Temp\995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219.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:2436 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2104
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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:1972 -
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:1776
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4160
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3104
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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:3984 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2360
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4644
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1628
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2004
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2432
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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:4768
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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:3256
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4592 -
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:2000 -
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:3804
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1308 -ip 13081⤵PID:4196
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4744
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b656b6507f0a7917bacad5ec00e02995
SHA1d58f56cfaf2e390608922b8314c3e6c469a3cc8e
SHA2568b99c5cd462706521a6f3c4edbc9ec83893c6b50c519e8033ecb8812102bf102
SHA51272f07acc5220afa853a251cf0ebbceb639adf4d59df21a6f4d3a10081e1612a8b58dfe84f34d25dcda6373b385ea3c099661e2f90b19e29abdcbb761f983ef22
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53310a8d23889f18481a6e7936bf01cee
SHA19cb964860f853ca79ea238069baa74e1dbd40962
SHA256117a05b6f9ff8d7b8df13bef3ebcbe4a72e7cfcc0edd13fbc1eff4699fbc528d
SHA512c2678e669431ce8d2784aaf762961871d13b0d035824a7b69b1518dd063e48b4ee090c6debe998dff200a9778088fb11f6f5508a4323fab00839c5c31f7f0264
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e96a27c98de67ebbca36c3af079012dc
SHA188e92cf21db006ad73befc4af020d74feeafb2fa
SHA256fd979971f5b9ebdf8b94d8856ec21aaa91cdb80e9ac4da83e59f0946148c1395
SHA512a662e8f6d9293e936a9f5e23b71d47eef313567f047e62da2c653d47b5b2191c918575369e5978dae5e1eded9c519ff9b0f18dc63a79acb76737cfba5bcbb35e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55d77b2db3b8532c2b6b43bf6e9474da4
SHA1e55801996a5b14d8f991190d94fcf66a8a8892e4
SHA2561ffa6cd72f4cff277d0707beec7ae15397afc9e128b251e076b16fc07988f579
SHA512b9ae612a8be4ca534c2b8ca9475c2cb68769384be066e83adb8e5e94b185f56c51f0d77e676047ac9f48097b44c7ef101f3b7cb6514c0992a20bcf770081c9d2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f32348fdb1cdb1fa9b41f3b4873f6b65
SHA1d292edbbe70cc9eeb472d2bbb92e8197d832467c
SHA256e2ac4e3d2dcaad794ddc1e3dfdc23e1c80e27d6cb437a9e5e1cedc50eec23ff1
SHA512a6b37a346c73c5ee92d10b92dcfa3950c61ea3652fb56a0650995f32052b0f18c56f3271bba7d384c334ec2d118b24123b5833e4896d5fb575b568c6627bff6f
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Filesize
4.2MB
MD535d98a7c50ce45660c51e427649bc9b0
SHA1afbdaf993a60e39f92a1deb5e39dd3ffdf86b8a2
SHA256995a025e45dd4582abb448efb3651f1114e6a707174354ab69c9a7f4a68f4219
SHA512105015eb8095a6d8965c468fba82c52375cbd1e1f35b5f6cd08379506a2f8a3dc94c1d02e0b9a093bf9dd665296adc7956c091ebadc007c6b954746092a0e799
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec