Analysis
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max time kernel
150s -
max time network
128s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
16-05-2024 10:25
Static task
static1
Behavioral task
behavioral1
Sample
9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe
Resource
win10v2004-20240226-en
General
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Target
9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe
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Size
4.1MB
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MD5
ec673fca266176ed0324b61c6e20e8d4
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SHA1
a4b116c4b781c6b3cc2825972045226c5325cc01
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SHA256
9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67
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SHA512
4668228725ff07bdbdae15e5f3276271cf5a8055f4b211ff11c57b732e74829a9e9d22096689b01216a78a3cba22465403af61d7117398edd541a81b30b4702f
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SSDEEP
98304:1BH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9ntJ:1BZQtHgtXlxHq4G3ixkyiJTOnSQDy9n3
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/3024-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/3024-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3024-98-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3024-100-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4804-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2636 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3784 csrss.exe 1244 injector.exe 4408 windefender.exe 3840 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa1b-204.dat upx behavioral2/memory/4408-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3840-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4408-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3840-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3840-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\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\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 File created 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:
9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe -
Drops file in Windows directory 4 IoCs
Processes:
9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe File created C:\Windows\rss\csrss.exe 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.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 1440 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 128 powershell.exe 2728 powershell.exe 4672 powershell.exe 2704 powershell.exe 4300 powershell.exe 3780 powershell.exe 2660 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 236 schtasks.exe 2844 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exe9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-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,-2181 = "Astrakhan Daylight Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei 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\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.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,-2572 = "Turks and Caicos Standard 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" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exepowershell.exe9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2704 powershell.exe 2704 powershell.exe 3024 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 3024 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 4300 powershell.exe 4300 powershell.exe 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 3780 powershell.exe 3780 powershell.exe 2660 powershell.exe 2660 powershell.exe 128 powershell.exe 128 powershell.exe 2728 powershell.exe 2728 powershell.exe 4672 powershell.exe 4672 powershell.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 3784 csrss.exe 3784 csrss.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 3784 csrss.exe 3784 csrss.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 3784 csrss.exe 3784 csrss.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe 1244 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2704 powershell.exe Token: SeDebugPrivilege 3024 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Token: SeImpersonatePrivilege 3024 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe Token: SeDebugPrivilege 4300 powershell.exe Token: SeDebugPrivilege 3780 powershell.exe Token: SeDebugPrivilege 2660 powershell.exe Token: SeDebugPrivilege 128 powershell.exe Token: SeDebugPrivilege 2728 powershell.exe Token: SeDebugPrivilege 4672 powershell.exe Token: SeSystemEnvironmentPrivilege 3784 csrss.exe Token: SeSecurityPrivilege 1440 sc.exe Token: SeSecurityPrivilege 1440 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3024 wrote to memory of 2704 3024 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 82 PID 3024 wrote to memory of 2704 3024 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 82 PID 3024 wrote to memory of 2704 3024 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 82 PID 4804 wrote to memory of 4300 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 88 PID 4804 wrote to memory of 4300 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 88 PID 4804 wrote to memory of 4300 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 88 PID 4804 wrote to memory of 1844 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 90 PID 4804 wrote to memory of 1844 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 90 PID 1844 wrote to memory of 2636 1844 cmd.exe 92 PID 1844 wrote to memory of 2636 1844 cmd.exe 92 PID 4804 wrote to memory of 3780 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 93 PID 4804 wrote to memory of 3780 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 93 PID 4804 wrote to memory of 3780 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 93 PID 4804 wrote to memory of 2660 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 95 PID 4804 wrote to memory of 2660 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 95 PID 4804 wrote to memory of 2660 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 95 PID 4804 wrote to memory of 3784 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 97 PID 4804 wrote to memory of 3784 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 97 PID 4804 wrote to memory of 3784 4804 9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe 97 PID 3784 wrote to memory of 128 3784 csrss.exe 98 PID 3784 wrote to memory of 128 3784 csrss.exe 98 PID 3784 wrote to memory of 128 3784 csrss.exe 98 PID 3784 wrote to memory of 2728 3784 csrss.exe 104 PID 3784 wrote to memory of 2728 3784 csrss.exe 104 PID 3784 wrote to memory of 2728 3784 csrss.exe 104 PID 3784 wrote to memory of 4672 3784 csrss.exe 106 PID 3784 wrote to memory of 4672 3784 csrss.exe 106 PID 3784 wrote to memory of 4672 3784 csrss.exe 106 PID 3784 wrote to memory of 1244 3784 csrss.exe 108 PID 3784 wrote to memory of 1244 3784 csrss.exe 108 PID 4408 wrote to memory of 3924 4408 windefender.exe 114 PID 4408 wrote to memory of 3924 4408 windefender.exe 114 PID 4408 wrote to memory of 3924 4408 windefender.exe 114 PID 3924 wrote to memory of 1440 3924 cmd.exe 115 PID 3924 wrote to memory of 1440 3924 cmd.exe 115 PID 3924 wrote to memory of 1440 3924 cmd.exe 115 -
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\9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe"C:\Users\Admin\AppData\Local\Temp\9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2704
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C:\Users\Admin\AppData\Local\Temp\9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.exe"C:\Users\Admin\AppData\Local\Temp\9319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67.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:4804 -
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:4300
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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:1844 -
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:2636
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3780
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2660
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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:3784 -
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:128
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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:236
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2548
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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:2728
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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:4672
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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:1244
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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:2844
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4408 -
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:3924 -
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:1440
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3840
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
MD5c2d7bc7f55943ecce6766ee5832e9eb7
SHA13da528c7e252f9b0326b6081357f6e0a1033c9eb
SHA256cd69f5cedebe59725d7b0785185141022a7c07cb5cf3ff34956130f795831363
SHA512ac44af6e1acb7f09427dcd09d672f89bb9c4aa788b54fb0251b83ee1fc2511aeedf6a193b1179d5d607e32616ce46ae556d6420fe68c6631a9ece7c8062d1dbd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cf7ed637dfb67a1471e72ccefd2b01a6
SHA1027244b4e37f5f252929579c010c9372f5ae5cb2
SHA2569b1d680296fcccce42a2d644a701f5458d39b5f1770e9d82e0a3ba3d6a2d5ed8
SHA51276c94eb3b5292b17443452f0fbbcbbecae004e756720226736456fc54380360d38db3a615b30099ed2ebb2de6e1beb6eb48bef1cee062dc6a2b0921147a14b56
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53ccedba99c40041a41a58766a1660aef
SHA17f96ab6aec56b6117b42a49b7f0cc0f0999fece8
SHA25672ae6f5c820d9ebd56e8dcc6020a0acb4f1b6320d50533ae1ee27979790e41db
SHA512f585cf7531b75381dfb37176a3881e80b3c036424309f3e35d7f33a1df7b3e80ab3bcb850615d6e0abd236eb57577005784eefa2d984aa0dbe665473512e8ec7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD588d02fa1eafa494dd69e11a8f86ea446
SHA1bd21c48ac4ebfbd697c1f447f5d7e66dddbdba9d
SHA2566fcced166c4a201c6af9a41c88686aec31bb0c0c98372ccd97163b947a009266
SHA51205066eeb560d11976cce96caccdf52280b1dbd1bfd32f50f4360aa35c6ad7b1088b38dc5d70a1c526686a186d1bba3841efeba068e08a8bcf44548148e9b200f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53815d3087a38efeccf409ba2b148b754
SHA1465e36db832e2f68f11f45bbb6aaa4aa1e2927dc
SHA256a1305b9187a9a13501e00a4b522de896024ecd2c8ad4cdc94144ff63c1575c19
SHA51211cc16ca36aa92a652d556de02c594873fefa04920ec6744fe7c9d35d180ff605ced1ef1037fc87e63efaacf4549b752f16d6cdd53abac63fd13363f1eedad08
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Filesize
4.1MB
MD5ec673fca266176ed0324b61c6e20e8d4
SHA1a4b116c4b781c6b3cc2825972045226c5325cc01
SHA2569319ecf68e0e7e20df46c53fb9fddcba920be61bcbe56814ecb567922cbb9c67
SHA5124668228725ff07bdbdae15e5f3276271cf5a8055f4b211ff11c57b732e74829a9e9d22096689b01216a78a3cba22465403af61d7117398edd541a81b30b4702f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec