Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
24/08/2023, 03:05
Static task
static1
General
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Target
dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe
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Size
4.2MB
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MD5
38fcf87f2b25f3ae9e45ac3e5dec8c04
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SHA1
50e57a6bc52139ff93d341598f64c696b088b984
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SHA256
dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5
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SHA512
2dc0b2d5215e19493457bc9bf365eed2e07c24a451eea09bdffa5cf41e83882c840f143aa79f59992ab9bb46655b90d4420904d8ab0748ae9eb6b338c8c65b11
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SSDEEP
98304:3W99nWP86sXkvLLCQ6wOHDUmN2zpIxlCQobR:8Wk6s0vvnYDUTpSlCR
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral1/memory/3260-2-0x00000000047B0000-0x000000000509B000-memory.dmp family_glupteba behavioral1/memory/3260-3-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/3260-22-0x00000000047B0000-0x000000000509B000-memory.dmp family_glupteba behavioral1/memory/3260-23-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/3260-53-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1888-56-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/3260-83-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1888-84-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1888-115-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1888-149-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1664-152-0x0000000004E00000-0x00000000056EB000-memory.dmp family_glupteba behavioral1/memory/1664-153-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1664-154-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1664-211-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1664-247-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1664-257-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1664-261-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1664-265-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1664-269-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1664-273-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1664-277-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba behavioral1/memory/1664-281-0x0000000000400000-0x00000000026D1000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 560 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1664 csrss.exe 1984 injector.exe 740 windefender.exe 4800 windefender.exe -
resource yara_rule behavioral1/files/0x000b00000002311b-252.dat upx behavioral1/files/0x000b00000002311b-254.dat upx behavioral1/files/0x000b00000002311b-255.dat upx behavioral1/memory/740-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4800-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4800-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Set value (str) \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe File created C:\Windows\rss\csrss.exe dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.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.
pid Process 3748 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4312 schtasks.exe 1708 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.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\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\1e\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.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\1e\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2952 powershell.exe 2952 powershell.exe 3260 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 3260 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 2644 powershell.exe 2644 powershell.exe 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 3740 powershell.exe 3740 powershell.exe 3952 powershell.exe 3952 powershell.exe 1320 powershell.exe 1320 powershell.exe 4620 powershell.exe 4620 powershell.exe 4436 powershell.exe 4436 powershell.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1664 csrss.exe 1664 csrss.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1664 csrss.exe 1664 csrss.exe 1984 injector.exe 1984 injector.exe 1664 csrss.exe 1664 csrss.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2952 powershell.exe Token: SeDebugPrivilege 3260 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Token: SeImpersonatePrivilege 3260 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe Token: SeDebugPrivilege 2644 powershell.exe Token: SeDebugPrivilege 3740 powershell.exe Token: SeDebugPrivilege 3952 powershell.exe Token: SeDebugPrivilege 1320 powershell.exe Token: SeDebugPrivilege 4620 powershell.exe Token: SeDebugPrivilege 4436 powershell.exe Token: SeSystemEnvironmentPrivilege 1664 csrss.exe Token: SeSecurityPrivilege 3748 sc.exe Token: SeSecurityPrivilege 3748 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3260 wrote to memory of 2952 3260 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 87 PID 3260 wrote to memory of 2952 3260 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 87 PID 3260 wrote to memory of 2952 3260 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 87 PID 1888 wrote to memory of 2644 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 94 PID 1888 wrote to memory of 2644 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 94 PID 1888 wrote to memory of 2644 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 94 PID 1888 wrote to memory of 4768 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 97 PID 1888 wrote to memory of 4768 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 97 PID 4768 wrote to memory of 560 4768 cmd.exe 99 PID 4768 wrote to memory of 560 4768 cmd.exe 99 PID 1888 wrote to memory of 3740 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 100 PID 1888 wrote to memory of 3740 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 100 PID 1888 wrote to memory of 3740 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 100 PID 1888 wrote to memory of 3952 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 102 PID 1888 wrote to memory of 3952 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 102 PID 1888 wrote to memory of 3952 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 102 PID 1888 wrote to memory of 1664 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 104 PID 1888 wrote to memory of 1664 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 104 PID 1888 wrote to memory of 1664 1888 dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe 104 PID 1664 wrote to memory of 1320 1664 csrss.exe 105 PID 1664 wrote to memory of 1320 1664 csrss.exe 105 PID 1664 wrote to memory of 1320 1664 csrss.exe 105 PID 1664 wrote to memory of 4620 1664 csrss.exe 109 PID 1664 wrote to memory of 4620 1664 csrss.exe 109 PID 1664 wrote to memory of 4620 1664 csrss.exe 109 PID 1664 wrote to memory of 4436 1664 csrss.exe 113 PID 1664 wrote to memory of 4436 1664 csrss.exe 113 PID 1664 wrote to memory of 4436 1664 csrss.exe 113 PID 1664 wrote to memory of 1984 1664 csrss.exe 115 PID 1664 wrote to memory of 1984 1664 csrss.exe 115 PID 740 wrote to memory of 3904 740 windefender.exe 121 PID 740 wrote to memory of 3904 740 windefender.exe 121 PID 740 wrote to memory of 3904 740 windefender.exe 121 PID 3904 wrote to memory of 3748 3904 cmd.exe 122 PID 3904 wrote to memory of 3748 3904 cmd.exe 122 PID 3904 wrote to memory of 3748 3904 cmd.exe 122
Processes
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C:\Users\Admin\AppData\Local\Temp\dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe"C:\Users\Admin\AppData\Local\Temp\dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2952
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C:\Users\Admin\AppData\Local\Temp\dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.exe"C:\Users\Admin\AppData\Local\Temp\dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5.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:1888 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2644
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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:4768 -
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:560
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3740
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3952
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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:1664 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1320
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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:4312
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4620
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3004
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4436
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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:1984
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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:1708
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:740 -
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:3904 -
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:3748
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4800
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
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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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
MD59ce6ae235c036ff10762e4ee76f6f3c2
SHA1208ce927d05907df0a326c5b2ba3884f3a173122
SHA256528cb0c85d7bb03c395b9d5ea29e718515cc37f2383af098fec1e7c3bca12e10
SHA512aa66254d59a0f6c4ab0247e632c6208e60857f8a3f9962f7f992b342b47574993a546fbf4a925c00dc28a6e903023f679fa53f4434f55846c1c73c3a2cdbf537
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5af8fd242ce512ba6967c272363ef5c68
SHA1312ea2400694f80940d9e0b28dcf976381a3b8c2
SHA256600e527e58253c8690bf62deff661892638ab32bcc83ed7c4c380116d5a6a064
SHA512cbee3511b9f2ef7b0efc2b64b296194244ef9747cdce7e6eeadd2597f7187801b19dbd62d26680ae08adf246a3ba0a887f1211a9fa0d625c0b8984ada441c299
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e88edb06ed6caecadcbe8bd2141017f3
SHA1e3f4a35fe821945ab53938b8ac3c2f99dce12963
SHA256184489a35d51e9076df953f0ece4eb430c737bf9f21a5df782f1de7c8db11957
SHA51236bbb9592b1e9206ab2c4cb85c7de8b34e641a4bd5724e9710fcfc12d39db3a3d740c095267bb3dbff38266da5281fee110cd530c14c734aee9342f422e1fc72
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55b3eb42f0a72bc2a614fee605d4dcfa5
SHA1845bf176dc5a7fc19f69fe18a67b350f6e68e33d
SHA2562b83db46aeb7603a267c4b7e2f419446b2561c7655c9c3eb70d2352e3caa4e22
SHA51234be63643eacada9581bb9e7818815bd3fcdc1cdfb6e2fd97706c10decfa88b0a7166ec033c0d5172231361a1fae3de559cb37eaccb3c8f9bb20f20654748388
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55c2b1788a540f02b0e9f0f88bca914b8
SHA143f794365e85438b620235cf1ebdadb6ba61ca57
SHA25676f6a5b7a8bd7c550211b0dbcf5690c0cdbbf389b740269224b4fcb8cb261949
SHA5126f2c936e2d3aa951091d89ab94571dd6cf1e48f975bc011403648bf0b99d1a25a68a05bf0ddf362c7fb1392f9504e8a36924c301909eac695878dab535b97a04
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Filesize
4.2MB
MD538fcf87f2b25f3ae9e45ac3e5dec8c04
SHA150e57a6bc52139ff93d341598f64c696b088b984
SHA256dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5
SHA5122dc0b2d5215e19493457bc9bf365eed2e07c24a451eea09bdffa5cf41e83882c840f143aa79f59992ab9bb46655b90d4420904d8ab0748ae9eb6b338c8c65b11
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Filesize
4.2MB
MD538fcf87f2b25f3ae9e45ac3e5dec8c04
SHA150e57a6bc52139ff93d341598f64c696b088b984
SHA256dc8a1c1d1e18b775e8e2f1614546776054b60cbeec19c5b89433fb726b5078d5
SHA5122dc0b2d5215e19493457bc9bf365eed2e07c24a451eea09bdffa5cf41e83882c840f143aa79f59992ab9bb46655b90d4420904d8ab0748ae9eb6b338c8c65b11
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec