Analysis
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max time kernel
150s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:46
Static task
static1
Behavioral task
behavioral1
Sample
de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe
Resource
win10v2004-20240508-en
General
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Target
de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe
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Size
4.1MB
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MD5
6c41d6847efa424a4f57cecfb213566c
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SHA1
76059a59f3f5fcb4bd74b03136b52106cb2a563f
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SHA256
de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668
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SHA512
a86996ce219db649d663097b9ef70abe4e27818252fa30acbfbaed80657cf659c7e90814dab723cf8d9d2e23629fe50f3207effcfb9a7642f4c012adb6f15de0
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SSDEEP
98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0O:YLmIkbquibpii2yAk4+2fEKmbV
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/3620-2-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/3620-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3620-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2188-59-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/2188-130-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2188-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3536-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3536-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3536-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3536-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3536-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3536-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3536-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3536-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3536-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3536-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3536-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3536-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3424 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3536 csrss.exe 4692 injector.exe 4412 windefender.exe 3664 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4412-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3664-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4412-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3664-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3664-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 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 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 -
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:
de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe -
Drops file in Windows directory 4 IoCs
Processes:
de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.execsrss.exedescription ioc process File opened for modification C:\Windows\rss de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe File created C:\Windows\rss\csrss.exe de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.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 2952 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 4192 powershell.exe 4300 powershell.exe 4648 powershell.exe 3252 powershell.exe 4624 powershell.exe 3652 powershell.exe 2620 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 3436 schtasks.exe 4720 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.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,-192 = "Mountain Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.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,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.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,-1501 = "Turkey Daylight Time" windefender.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" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.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,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.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,-1821 = "Russia TZ 1 Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exede0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exepowershell.exede0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 3252 powershell.exe 3252 powershell.exe 3620 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 3620 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 4624 powershell.exe 4624 powershell.exe 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 3652 powershell.exe 3652 powershell.exe 2620 powershell.exe 2620 powershell.exe 4192 powershell.exe 4192 powershell.exe 4300 powershell.exe 4300 powershell.exe 4648 powershell.exe 4648 powershell.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 3536 csrss.exe 3536 csrss.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 3536 csrss.exe 3536 csrss.exe 3536 csrss.exe 3536 csrss.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exede0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 3252 powershell.exe Token: SeDebugPrivilege 3620 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Token: SeImpersonatePrivilege 3620 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Token: SeDebugPrivilege 4624 powershell.exe Token: SeDebugPrivilege 3652 powershell.exe Token: SeDebugPrivilege 2620 powershell.exe Token: SeDebugPrivilege 4192 powershell.exe Token: SeDebugPrivilege 4300 powershell.exe Token: SeDebugPrivilege 4648 powershell.exe Token: SeSystemEnvironmentPrivilege 3536 csrss.exe Token: SeSecurityPrivilege 2952 sc.exe Token: SeSecurityPrivilege 2952 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exede0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3620 wrote to memory of 3252 3620 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 3620 wrote to memory of 3252 3620 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 3620 wrote to memory of 3252 3620 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 2188 wrote to memory of 4624 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 2188 wrote to memory of 4624 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 2188 wrote to memory of 4624 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 2188 wrote to memory of 2276 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe cmd.exe PID 2188 wrote to memory of 2276 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe cmd.exe PID 2276 wrote to memory of 3424 2276 cmd.exe netsh.exe PID 2276 wrote to memory of 3424 2276 cmd.exe netsh.exe PID 2188 wrote to memory of 3652 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 2188 wrote to memory of 3652 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 2188 wrote to memory of 3652 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 2188 wrote to memory of 2620 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 2188 wrote to memory of 2620 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 2188 wrote to memory of 2620 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 2188 wrote to memory of 3536 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe csrss.exe PID 2188 wrote to memory of 3536 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe csrss.exe PID 2188 wrote to memory of 3536 2188 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe csrss.exe PID 3536 wrote to memory of 4192 3536 csrss.exe powershell.exe PID 3536 wrote to memory of 4192 3536 csrss.exe powershell.exe PID 3536 wrote to memory of 4192 3536 csrss.exe powershell.exe PID 3536 wrote to memory of 4300 3536 csrss.exe powershell.exe PID 3536 wrote to memory of 4300 3536 csrss.exe powershell.exe PID 3536 wrote to memory of 4300 3536 csrss.exe powershell.exe PID 3536 wrote to memory of 4648 3536 csrss.exe powershell.exe PID 3536 wrote to memory of 4648 3536 csrss.exe powershell.exe PID 3536 wrote to memory of 4648 3536 csrss.exe powershell.exe PID 3536 wrote to memory of 4692 3536 csrss.exe injector.exe PID 3536 wrote to memory of 4692 3536 csrss.exe injector.exe PID 4412 wrote to memory of 4964 4412 windefender.exe cmd.exe PID 4412 wrote to memory of 4964 4412 windefender.exe cmd.exe PID 4412 wrote to memory of 4964 4412 windefender.exe cmd.exe PID 4964 wrote to memory of 2952 4964 cmd.exe sc.exe PID 4964 wrote to memory of 2952 4964 cmd.exe sc.exe PID 4964 wrote to memory of 2952 4964 cmd.exe sc.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe"C:\Users\Admin\AppData\Local\Temp\de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3620 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3252 -
C:\Users\Admin\AppData\Local\Temp\de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe"C:\Users\Admin\AppData\Local\Temp\de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.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:2188 -
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:4624 -
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:2276 -
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:3424 -
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:3652 -
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:2620 -
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:3536 -
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:4192 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3436 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4744
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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:4300 -
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:4648 -
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:4692 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4720 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4412 -
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:4964 -
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:2952
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3664
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
MD586dee37a1700727417095af2239ff7e8
SHA13f3908c56537b91aefeac40904b707f7748f5302
SHA2565cda1e276e0c46088b8fd72eeda970e17bf825a7994fe87ef359363f11d8a995
SHA512eebef6dc9771a9f5a3426a9995537a38993121da0acd26937232545a9f6464240b611aaf2bca65282c5ffd53d1c37c2ecccefea7df2905b82a6296b634113817
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a8849bbf616cc310f93d9990bc3e91f
SHA19550162fcf7497e93b8fc55ac4d3f0b28b442fc0
SHA256048740d2bdd49e77c5314a14031005beba6c7058e2383e974f667ab9f21d7a29
SHA5123c47c4403fb7b70b46477cf12912a6186a3a19e94a309a866178925dc423e4658345673d8b6ad50a1aaf6046533dd288c4b932ca0c4cf7e7eb6edc10fefe1917
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD545f268fb94e13bab6533cfe5995a7164
SHA18f0c4b63132460bfdcdac89afdf11765a8ab7620
SHA256f6d861c924a3a250666eba1a563da5394ac239d214a38cb5bfd5eb9c65190a59
SHA51245a55164607a834b00823c054ff53c56cbdbb8fd8e615ba6b5fdd16959695536196a69dc82ffebb561882e877a37fd3823b2ec3494d5c9991a595f87b3ce3303
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50d8c0a5b6474cf453e43d37334c26dc3
SHA155f9092e9bad192fa15f5031b2d145920720a461
SHA256f13c6a70898c364400c40ca5a886558137c697b50dc0f8044abb1490dce67c34
SHA5127b899f2d303ae191e5170d234532562683423d6287cfe526276bfdce30146c17a043ec03fc3882114f3f4a20eadcec5e61dcae8d1e5923611b0eaf93020efe64
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59f110607b42bd2258ab6f2d4071a95c9
SHA1d344155c83e7f52189a81fad44fe8e9d12441721
SHA25613b222186c7b455f32d4be840d6c8c8980700417ba623cf4d9835af9715c9d16
SHA512d10936a3c8a5d6048ca86416f9658ee58d3ed959d44772ff9c6804d671a9474cfe48bd60d6914e3dbdae7ffef4da90fb72ab29ce8726c5317ccbbb97b7aab9ea
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Filesize
4.1MB
MD56c41d6847efa424a4f57cecfb213566c
SHA176059a59f3f5fcb4bd74b03136b52106cb2a563f
SHA256de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668
SHA512a86996ce219db649d663097b9ef70abe4e27818252fa30acbfbaed80657cf659c7e90814dab723cf8d9d2e23629fe50f3207effcfb9a7642f4c012adb6f15de0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec