Analysis
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max time kernel
149s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
22-07-2023 22:12
Static task
static1
General
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Target
8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe
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Size
4.2MB
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MD5
977397b2059d5144b577cdfc17e831f7
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SHA1
28702a6d09f0375f45c97f9fdfbe35e3e6361b20
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SHA256
8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc
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SHA512
d37adf15d24e28c6033c05dccdc29c9b41e893df3cf9ba7f671cce9602f1e416fb5eb4c8f2bd8d743c3c75db295f5e9e11f9d7ea690109033158657bc3ea76cd
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SSDEEP
98304:vNg1CHugjIZ0jT38FApL1eDF4Lq/GbT62j1n3oZrON8cZk:C1BgMZaT3rpBOUq/GbT62toZSN8Qk
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4292-135-0x0000000004980000-0x000000000526B000-memory.dmp family_glupteba behavioral1/memory/4292-136-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/4292-156-0x0000000004980000-0x000000000526B000-memory.dmp family_glupteba behavioral1/memory/4292-158-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/756-191-0x00000000049C0000-0x00000000052AB000-memory.dmp family_glupteba behavioral1/memory/756-192-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/4292-193-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/756-220-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/756-278-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1424-288-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/756-300-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1424-379-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1424-390-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1424-394-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1424-398-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1424-402-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1424-406-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1424-410-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba behavioral1/memory/1424-421-0x0000000000400000-0x000000000285A000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2296 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 1424 csrss.exe 3168 injector.exe 2592 windefender.exe 3732 windefender.exe 5052 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x00090000000232a0-383.dat upx behavioral1/files/0x00090000000232a0-385.dat upx behavioral1/files/0x00090000000232a0-387.dat upx behavioral1/memory/2592-389-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3732-393-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3732-401-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000600000001ea35-417.dat upx behavioral1/files/0x000600000001ea35-419.dat upx behavioral1/memory/3732-420-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5052-425-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/5052-427-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe File created C:\Windows\rss\csrss.exe 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4432 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 4628 schtasks.exe 2880 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\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.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" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\1e\52C64B7E\@tzres.dll,-1662 = "Bahia Standard 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,-2592 = "Tocantins Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 544 powershell.exe 544 powershell.exe 4292 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 4292 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 2144 powershell.exe 2144 powershell.exe 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 3800 powershell.exe 3800 powershell.exe 3716 powershell.exe 3716 powershell.exe 1936 powershell.exe 1936 powershell.exe 4324 powershell.exe 4324 powershell.exe 3724 powershell.exe 3724 powershell.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 1424 csrss.exe 1424 csrss.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 1424 csrss.exe 1424 csrss.exe 3168 injector.exe 3168 injector.exe 1424 csrss.exe 1424 csrss.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe 3168 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 544 powershell.exe Token: SeDebugPrivilege 4292 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Token: SeImpersonatePrivilege 4292 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe Token: SeDebugPrivilege 2144 powershell.exe Token: SeDebugPrivilege 3800 powershell.exe Token: SeDebugPrivilege 3716 powershell.exe Token: SeDebugPrivilege 1936 powershell.exe Token: SeDebugPrivilege 4324 powershell.exe Token: SeDebugPrivilege 3724 powershell.exe Token: SeSystemEnvironmentPrivilege 1424 csrss.exe Token: SeSecurityPrivilege 4432 sc.exe Token: SeSecurityPrivilege 4432 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4292 wrote to memory of 544 4292 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 90 PID 4292 wrote to memory of 544 4292 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 90 PID 4292 wrote to memory of 544 4292 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 90 PID 756 wrote to memory of 2144 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 97 PID 756 wrote to memory of 2144 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 97 PID 756 wrote to memory of 2144 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 97 PID 756 wrote to memory of 3076 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 100 PID 756 wrote to memory of 3076 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 100 PID 3076 wrote to memory of 2296 3076 cmd.exe 102 PID 3076 wrote to memory of 2296 3076 cmd.exe 102 PID 756 wrote to memory of 3800 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 103 PID 756 wrote to memory of 3800 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 103 PID 756 wrote to memory of 3800 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 103 PID 756 wrote to memory of 3716 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 106 PID 756 wrote to memory of 3716 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 106 PID 756 wrote to memory of 3716 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 106 PID 756 wrote to memory of 1424 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 108 PID 756 wrote to memory of 1424 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 108 PID 756 wrote to memory of 1424 756 8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe 108 PID 1424 wrote to memory of 1936 1424 csrss.exe 109 PID 1424 wrote to memory of 1936 1424 csrss.exe 109 PID 1424 wrote to memory of 1936 1424 csrss.exe 109 PID 1424 wrote to memory of 4324 1424 csrss.exe 114 PID 1424 wrote to memory of 4324 1424 csrss.exe 114 PID 1424 wrote to memory of 4324 1424 csrss.exe 114 PID 1424 wrote to memory of 3724 1424 csrss.exe 117 PID 1424 wrote to memory of 3724 1424 csrss.exe 117 PID 1424 wrote to memory of 3724 1424 csrss.exe 117 PID 1424 wrote to memory of 3168 1424 csrss.exe 119 PID 1424 wrote to memory of 3168 1424 csrss.exe 119 PID 2592 wrote to memory of 2480 2592 windefender.exe 127 PID 2592 wrote to memory of 2480 2592 windefender.exe 127 PID 2592 wrote to memory of 2480 2592 windefender.exe 127 PID 2480 wrote to memory of 4432 2480 cmd.exe 128 PID 2480 wrote to memory of 4432 2480 cmd.exe 128 PID 2480 wrote to memory of 4432 2480 cmd.exe 128 PID 1424 wrote to memory of 5052 1424 csrss.exe 137 PID 1424 wrote to memory of 5052 1424 csrss.exe 137 PID 1424 wrote to memory of 5052 1424 csrss.exe 137 -
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\8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe"C:\Users\Admin\AppData\Local\Temp\8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4292 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:544
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C:\Users\Admin\AppData\Local\Temp\8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.exe"C:\Users\Admin\AppData\Local\Temp\8d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc.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:756 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2144
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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:3076 -
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:2296
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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:3800
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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:3716
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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:1424 -
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:1936
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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:4628
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1112
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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:4324
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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:3724
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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:3168
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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:2880
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2592 -
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:2480 -
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:4432
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:5052 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:1200
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:4512
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3732
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
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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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
MD5718d83c88793a14930d4cce762ea5593
SHA11e8a578c262bbe59bcb873aaa881af1bd08ef387
SHA256a5b15e2890ea017a589058950469517464ce123b0c3869b84588d3c220acdf33
SHA5122291adb558930df088eecc80f4660d9bd896003356dcfa8c1aaf9c38988cd3aedbff87482f1d10b5ec3e09fe2e69847bc9ce35cb8f99fbc67cd3bf8b9d6a3d59
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5de8273ee0d68722b6cb374367d712c61
SHA157106de8e454f02e3e2bc2cad0751cd4f3241955
SHA2561379bd4239bd1f79e992881152cc2b4af98a877f6b66f0a7786eb100952b6037
SHA5123e4abeb784e7ccbf5a1a60499bd63c4847d0104c81940310ee7f03c01831206db2ebbbf9c4e6c9cc844714e820b1bd3ded8262b10c07ae51f2e69c2561f1c39f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50fb32a3058da34d6e5ba375cc351cb1f
SHA138d267079776b56d605c7799ae1b32686a664068
SHA256f33044e019b08cfceb5c1a0cfc392ada875becc5addedac78798b45f08128da0
SHA51206cb93653c43fa1d4fcaeeb2c7f4c34cb4c02e074c442d40f191938e1f1e5fb2eabbff908979dbe9551422fe4a893be1f6c35303fc15b299f7b4091354d2cca4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55327ceaf559ddc6af4d0f3fc626ac962
SHA1fd2ef3383af24e72a48318d378ebe647c9fb2648
SHA2562f1b4bcae3c03ba04b2cd75a00c63ad53a2db78e9a4a1687bf62824613d4d167
SHA5123b69356cd75cfa905c6b9dd91d0ba578391b3b29107c68d75b44393ba013d584bfc31b78546f8c6e5872c6233a6a89050091159855debe6261d7e5f43846f4a4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c312f632d879e02d1f9a183a374a7976
SHA1d73a5bda05916384b37fc8fb38d7c6a58a9dec35
SHA256844fc33b7ab29773d2d400956777ec8e70a71d36e91d30bedcd683a04b894a39
SHA51243db71f5f18c3d826785d9b6ee2725b2359d05b37196eda930965cbaa142423b094703b8111e8f4cd9f1571b5078020934fb5f4dc8dfb1a68e7c02027d9df15d
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Filesize
4.2MB
MD5977397b2059d5144b577cdfc17e831f7
SHA128702a6d09f0375f45c97f9fdfbe35e3e6361b20
SHA2568d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc
SHA512d37adf15d24e28c6033c05dccdc29c9b41e893df3cf9ba7f671cce9602f1e416fb5eb4c8f2bd8d743c3c75db295f5e9e11f9d7ea690109033158657bc3ea76cd
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Filesize
4.2MB
MD5977397b2059d5144b577cdfc17e831f7
SHA128702a6d09f0375f45c97f9fdfbe35e3e6361b20
SHA2568d8a7394b89cc3404c29e06d147fb1daec550a1abe7432e9a057507c98de4dfc
SHA512d37adf15d24e28c6033c05dccdc29c9b41e893df3cf9ba7f671cce9602f1e416fb5eb4c8f2bd8d743c3c75db295f5e9e11f9d7ea690109033158657bc3ea76cd
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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