Analysis
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max time kernel
149s -
max time network
126s -
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 10:23
Static task
static1
Behavioral task
behavioral1
Sample
5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe
Resource
win10v2004-20240426-en
General
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Target
5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe
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Size
4.1MB
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MD5
974f4810c8505e86a531a72e16f0a15b
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SHA1
974b32aea0e50d60e81a1aa4e4e5f1c43d6d065f
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SHA256
5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af
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SHA512
6030a08684e582eb9f99f199fad9c60638b9e2eb18cee1c7deb49a09d92cd9f7c8ea28ceb3df4e6acade1a6724318d67ec7782421c689982a9a9718d0f18e8e9
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SSDEEP
98304:dBH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9ntw:dBZQtHgtXlxHq4G3ixkyiJTOnSQDy9ny
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/240-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/240-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/240-108-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/240-110-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4088-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/8-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/8-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/8-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/8-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/8-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/8-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/8-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/8-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/8-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/8-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/8-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/8-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/8-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2116 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 8 csrss.exe 2884 injector.exe 1720 windefender.exe 2920 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9e2-204.dat upx behavioral2/memory/1720-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2920-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1720-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2920-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2920-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\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:
5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe -
Drops file in Windows directory 4 IoCs
Processes:
5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe File created C:\Windows\rss\csrss.exe 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.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 1956 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1948 powershell.exe 3260 powershell.exe 4024 powershell.exe 4552 powershell.exe 988 powershell.exe 5048 powershell.exe 3648 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 4188 schtasks.exe 5028 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight 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,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga 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" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.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,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey 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,-1822 = "Russia TZ 1 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,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exepowershell.exe5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4552 powershell.exe 4552 powershell.exe 240 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 240 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 988 powershell.exe 988 powershell.exe 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 5048 powershell.exe 5048 powershell.exe 3648 powershell.exe 3648 powershell.exe 1948 powershell.exe 1948 powershell.exe 3260 powershell.exe 3260 powershell.exe 4024 powershell.exe 4024 powershell.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 8 csrss.exe 8 csrss.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 8 csrss.exe 8 csrss.exe 2884 injector.exe 2884 injector.exe 8 csrss.exe 8 csrss.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe 2884 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4552 powershell.exe Token: SeDebugPrivilege 240 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Token: SeImpersonatePrivilege 240 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe Token: SeDebugPrivilege 988 powershell.exe Token: SeDebugPrivilege 5048 powershell.exe Token: SeDebugPrivilege 3648 powershell.exe Token: SeDebugPrivilege 1948 powershell.exe Token: SeDebugPrivilege 3260 powershell.exe Token: SeDebugPrivilege 4024 powershell.exe Token: SeSystemEnvironmentPrivilege 8 csrss.exe Token: SeSecurityPrivilege 1956 sc.exe Token: SeSecurityPrivilege 1956 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 240 wrote to memory of 4552 240 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 82 PID 240 wrote to memory of 4552 240 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 82 PID 240 wrote to memory of 4552 240 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 82 PID 4088 wrote to memory of 988 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 87 PID 4088 wrote to memory of 988 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 87 PID 4088 wrote to memory of 988 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 87 PID 4088 wrote to memory of 4424 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 89 PID 4088 wrote to memory of 4424 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 89 PID 4424 wrote to memory of 2116 4424 cmd.exe 91 PID 4424 wrote to memory of 2116 4424 cmd.exe 91 PID 4088 wrote to memory of 5048 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 92 PID 4088 wrote to memory of 5048 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 92 PID 4088 wrote to memory of 5048 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 92 PID 4088 wrote to memory of 3648 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 94 PID 4088 wrote to memory of 3648 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 94 PID 4088 wrote to memory of 3648 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 94 PID 4088 wrote to memory of 8 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 96 PID 4088 wrote to memory of 8 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 96 PID 4088 wrote to memory of 8 4088 5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe 96 PID 8 wrote to memory of 1948 8 csrss.exe 97 PID 8 wrote to memory of 1948 8 csrss.exe 97 PID 8 wrote to memory of 1948 8 csrss.exe 97 PID 8 wrote to memory of 3260 8 csrss.exe 103 PID 8 wrote to memory of 3260 8 csrss.exe 103 PID 8 wrote to memory of 3260 8 csrss.exe 103 PID 8 wrote to memory of 4024 8 csrss.exe 105 PID 8 wrote to memory of 4024 8 csrss.exe 105 PID 8 wrote to memory of 4024 8 csrss.exe 105 PID 8 wrote to memory of 2884 8 csrss.exe 107 PID 8 wrote to memory of 2884 8 csrss.exe 107 PID 1720 wrote to memory of 1392 1720 windefender.exe 113 PID 1720 wrote to memory of 1392 1720 windefender.exe 113 PID 1720 wrote to memory of 1392 1720 windefender.exe 113 PID 1392 wrote to memory of 1956 1392 cmd.exe 114 PID 1392 wrote to memory of 1956 1392 cmd.exe 114 PID 1392 wrote to memory of 1956 1392 cmd.exe 114 -
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\5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe"C:\Users\Admin\AppData\Local\Temp\5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:240 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4552
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C:\Users\Admin\AppData\Local\Temp\5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.exe"C:\Users\Admin\AppData\Local\Temp\5aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af.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:4088 -
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:988
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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:4424 -
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:2116
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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:5048
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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:3648
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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:8 -
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:1948
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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:4188
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1624
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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:3260
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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:4024
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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:2884
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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:5028
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1720 -
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:1392 -
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:1956
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2920
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53924e6dd2248df79dca3f050f2c4d8df
SHA1f481b3416d597e962884360b46295af3b99dd9e9
SHA256e44ed2253f038d5dd70a7361aae943d05b7c874fe69fe7084d4dd395bef62757
SHA5122b80fd2745b7ad8791265cb4253d57ed3d39acd4ebb7594bfe708d71175c5d6420a575f6424335a4325d126c2f8567575d9950f4c2f022f71d7439469671553f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bf1f89ba4753c9c4168903fc9fc9532e
SHA12b4918e8e44590af663d5b8653a038fb07ee6f7f
SHA2568e3b0e626537f2d81ec3657635a74936be7a190737caa24aab8b92abc33c2ab2
SHA512ba89a1ac0438c1d75f158ac9e493f0c42bbd3a7b8b6ed22041a6722441abe338b51eaa446e4bf0965da5ba15b10e96e50e883b6e7b50a333ec07844fc3eeeed7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cf48bfd4df4ee8708c6af9aa95813438
SHA1a1ac63cdc18ad7c846a689134971ee663431829c
SHA256b752b71e26e9341d351423ccc78337cb0e1733dc08594c451b9c6fa9314bf345
SHA512550dfffba9807a3018637a7f285522fec2617d7f93f9257ed0c90fc47750a8e203b0e62f09b1914095163426b655ab261c9f4f191354efc98ae7dd57b349f07e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5139d3d71ef8ad00883dcbe710ae32484
SHA18e400b5a3cbffb99d677a3580bcc1fed95ba1d02
SHA256c1342e16c34b94bcb2ba561cf74378b1a3d2365caadfdf33ea34b3c13a61b2f0
SHA512bd5f2cd8c6f238ad1b404c61637f4edc4092959d9be7de44c4fc404cba18fec85b00351f38a2bcd4f8d3d5fc9b40d67747bd9d60aad296d6abbe4948d39c33bd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5456394b054beecd97b534599d1245087
SHA1339a722f3afa45e3a96803c6828f80736bb5f108
SHA256bba6bfc679e1009fa3761f7ce0fbc308150ee9cc5d2a56ac683e80b0d6336f60
SHA512c8a4396519915054042ef6ea8ca664360ed2bff67eb45a8df61a2c41e9bcf41178d05d7899bb26cb9860206dd1d179661ffe2334b84bcc95a9fe74a032b82eb3
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Filesize
4.1MB
MD5974f4810c8505e86a531a72e16f0a15b
SHA1974b32aea0e50d60e81a1aa4e4e5f1c43d6d065f
SHA2565aa07ee45b591e48f20f14dd794ecdb1e5e6e695a566ac53fa68d327940623af
SHA5126030a08684e582eb9f99f199fad9c60638b9e2eb18cee1c7deb49a09d92cd9f7c8ea28ceb3df4e6acade1a6724318d67ec7782421c689982a9a9718d0f18e8e9
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec