Analysis
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max time kernel
149s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-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 15 IoCs
Processes:
resource yara_rule behavioral2/memory/440-47-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4584-121-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2520-201-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2520-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2520-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2520-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2520-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2520-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2520-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2520-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2520-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2520-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2520-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2520-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2520-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4036 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 2520 csrss.exe 2472 injector.exe 1672 windefender.exe 3804 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/1672-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1672-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3804-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3804-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3804-216-0x0000000000400000-0x00000000008DF000-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-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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:
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 2344 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 2236 powershell.exe 4124 powershell.exe 3188 powershell.exe 440 powershell.exe 2068 powershell.exe 1196 powershell.exe 3044 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 2440 schtasks.exe 2768 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exepowershell.exepowershell.exewindefender.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,-332 = "E. Europe Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard 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,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.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\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.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\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.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\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exede0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exepowershell.exede0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1196 powershell.exe 1196 powershell.exe 440 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 440 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 3044 powershell.exe 3044 powershell.exe 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe 2236 powershell.exe 2236 powershell.exe 4124 powershell.exe 4124 powershell.exe 3188 powershell.exe 3188 powershell.exe 440 powershell.exe 440 powershell.exe 2068 powershell.exe 2068 powershell.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2520 csrss.exe 2520 csrss.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2520 csrss.exe 2520 csrss.exe 2472 injector.exe 2472 injector.exe 2520 csrss.exe 2520 csrss.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe 2472 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exede0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1196 powershell.exe Token: SeDebugPrivilege 440 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Token: SeImpersonatePrivilege 440 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe Token: SeDebugPrivilege 3044 powershell.exe Token: SeDebugPrivilege 2236 powershell.exe Token: SeDebugPrivilege 4124 powershell.exe Token: SeDebugPrivilege 3188 powershell.exe Token: SeDebugPrivilege 440 powershell.exe Token: SeDebugPrivilege 2068 powershell.exe Token: SeSystemEnvironmentPrivilege 2520 csrss.exe Token: SeSecurityPrivilege 2344 sc.exe Token: SeSecurityPrivilege 2344 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exede0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 440 wrote to memory of 1196 440 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 440 wrote to memory of 1196 440 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 440 wrote to memory of 1196 440 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 4584 wrote to memory of 3044 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 4584 wrote to memory of 3044 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 4584 wrote to memory of 3044 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 4584 wrote to memory of 2736 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe cmd.exe PID 4584 wrote to memory of 2736 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe cmd.exe PID 2736 wrote to memory of 4036 2736 cmd.exe netsh.exe PID 2736 wrote to memory of 4036 2736 cmd.exe netsh.exe PID 4584 wrote to memory of 2236 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 4584 wrote to memory of 2236 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 4584 wrote to memory of 2236 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 4584 wrote to memory of 4124 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 4584 wrote to memory of 4124 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 4584 wrote to memory of 4124 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe powershell.exe PID 4584 wrote to memory of 2520 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe csrss.exe PID 4584 wrote to memory of 2520 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe csrss.exe PID 4584 wrote to memory of 2520 4584 de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668.exe csrss.exe PID 2520 wrote to memory of 3188 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 3188 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 3188 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 440 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 440 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 440 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 2068 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 2068 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 2068 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 2472 2520 csrss.exe injector.exe PID 2520 wrote to memory of 2472 2520 csrss.exe injector.exe PID 1672 wrote to memory of 4544 1672 windefender.exe cmd.exe PID 1672 wrote to memory of 4544 1672 windefender.exe cmd.exe PID 1672 wrote to memory of 4544 1672 windefender.exe cmd.exe PID 4544 wrote to memory of 2344 4544 cmd.exe sc.exe PID 4544 wrote to memory of 2344 4544 cmd.exe sc.exe PID 4544 wrote to memory of 2344 4544 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:440 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1196 -
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:4584 -
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:3044 -
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:2736 -
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:4036 -
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:2236 -
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:4124 -
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:2520 -
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:3188 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2440 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3460
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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:440 -
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:2068 -
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:2472 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2768 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1672 -
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:4544 -
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:2344
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3804
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5087025e310b2c26c233dc2d9e537984c
SHA13a1ac75654acd455e3245b87a23bd807421851c7
SHA25625f0a3504f70dca63460b0b321556655f2cffdeecd8e28a7e0831489e836d3aa
SHA5124a479df754ea3270d33346bd540704d958fcdb4c66ca305629310d9d8311aab8b937ecba10aef95a00544ff8190c098155486a27fc147d01c5cdbc8545c20267
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD542a080df9a8e3e79857f52946c8d652d
SHA11233d4c42fd47d1aa79e36c3135a52a661e666fa
SHA256df6fd7ec717bb81849f8ecc204fe72a054a82a8b0ed148d66e8a4b699503d947
SHA5121c3c8cae3e729462f3b0a31b617340919f242d7575d4c792a4b32b77de265ba27d95a2107dc292db22c3f703be759b53531b10d07e452c39a3413893bf5f8e76
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bb8640d4caa4ba7d28221a8a6f8899d6
SHA18cbb4686e7617211f66357ccfe81077d515dcc7c
SHA256776962731d25b2ac693a12eb2503d60b30e541b9cc2dd25dd8ba0ea2ef93c75d
SHA512aa8c4cc43fa94c352333274dbd222c198f9ce7908173cb6c45ac8f5998c7fda1c81fce91e26dd9582331f06fa0bb08a7a904503a332629d9c87a5023465287c0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57425467e52a4a55ee48d85842392fbd0
SHA1c132bab5bcc65c683b9e0e5c4639005c9f1b8e57
SHA256fe4f4b385c02a238284f9f5f0c29f60bc695a19c2c806b41e6e8c0e86c8d5f9f
SHA5124350ccef20c1766a238c99177f63ca2d8bc3324d0d137d130ae8e9ec8c79d1affacc9ec6222140686293e5d8faac56b450d259f14afd55270c3608db142e3a48
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a89c562e933debb405d3fb09be930d3e
SHA1ff4466357eaa0fd2896ab38110df6c09986392a1
SHA25677f83e43df58537cfcde7c3cf2ba57cf38a0c084e51e20e95631f923353129eb
SHA512ce7296bb70484f275239375568ee23946e02c371f924633e347f309068e96746b5c59ae06dcf55468db6d7a2933011438a0315fbc62a4d5d95c9217e7490faa0
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Filesize
4.1MB
MD56c41d6847efa424a4f57cecfb213566c
SHA176059a59f3f5fcb4bd74b03136b52106cb2a563f
SHA256de0731c348fc5cbc38aaaeb6ed8550226c4de18531c1e7478803b42861669668
SHA512a86996ce219db649d663097b9ef70abe4e27818252fa30acbfbaed80657cf659c7e90814dab723cf8d9d2e23629fe50f3207effcfb9a7642f4c012adb6f15de0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec