Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 04:23
Static task
static1
Behavioral task
behavioral1
Sample
541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe
Resource
win10v2004-20240426-en
General
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Target
541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe
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Size
4.1MB
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MD5
d78ccbbf670d86a5c58611ffde6d381b
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SHA1
40d0317287ba0c349ef036d2278be888f564aa1c
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SHA256
541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3
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SHA512
d0d2dc5b7970e25e370c22a67571ee8fe7398c787e2c9f102a7292041a001c80378b5242c84f87db096b9117052273d66ed092517f25b22fb8b762aeb92d928a
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SSDEEP
98304:p96GAmuNBigEkoqfZTwC6uGlBZNljS4jcG:pI9hoq9wC6uGlB/xgG
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/224-2-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/224-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4384-56-0x0000000002DA0000-0x000000000368B000-memory.dmp family_glupteba behavioral1/memory/224-127-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/224-128-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/4384-206-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5084-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5084-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5084-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5084-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5084-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5084-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5084-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5084-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5084-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5084-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5084-263-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5084-267-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5084-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4208 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5084 csrss.exe 4296 injector.exe 3488 windefender.exe 3660 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002348c-218.dat upx behavioral1/memory/3488-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3488-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3660-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3660-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3660-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe File created C:\Windows\rss\csrss.exe 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.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 932 sc.exe -
pid Process 4928 powershell.exe 4900 powershell.exe 116 powershell.exe 2388 powershell.exe 1156 powershell.exe 1932 powershell.exe 2828 powershell.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 3052 schtasks.exe 4080 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.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\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1932 powershell.exe 1932 powershell.exe 224 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 224 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 2828 powershell.exe 2828 powershell.exe 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 4928 powershell.exe 4928 powershell.exe 4928 powershell.exe 4900 powershell.exe 4900 powershell.exe 116 powershell.exe 116 powershell.exe 2388 powershell.exe 2388 powershell.exe 1156 powershell.exe 1156 powershell.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 5084 csrss.exe 5084 csrss.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 5084 csrss.exe 5084 csrss.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 5084 csrss.exe 5084 csrss.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe 4296 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1932 powershell.exe Token: SeDebugPrivilege 224 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Token: SeImpersonatePrivilege 224 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe Token: SeDebugPrivilege 2828 powershell.exe Token: SeDebugPrivilege 4928 powershell.exe Token: SeDebugPrivilege 4900 powershell.exe Token: SeDebugPrivilege 116 powershell.exe Token: SeDebugPrivilege 2388 powershell.exe Token: SeDebugPrivilege 1156 powershell.exe Token: SeSystemEnvironmentPrivilege 5084 csrss.exe Token: SeSecurityPrivilege 932 sc.exe Token: SeSecurityPrivilege 932 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 224 wrote to memory of 1932 224 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 87 PID 224 wrote to memory of 1932 224 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 87 PID 224 wrote to memory of 1932 224 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 87 PID 4384 wrote to memory of 2828 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 98 PID 4384 wrote to memory of 2828 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 98 PID 4384 wrote to memory of 2828 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 98 PID 4384 wrote to memory of 4836 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 102 PID 4384 wrote to memory of 4836 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 102 PID 4836 wrote to memory of 4208 4836 cmd.exe 104 PID 4836 wrote to memory of 4208 4836 cmd.exe 104 PID 4384 wrote to memory of 4928 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 105 PID 4384 wrote to memory of 4928 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 105 PID 4384 wrote to memory of 4928 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 105 PID 4384 wrote to memory of 4900 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 107 PID 4384 wrote to memory of 4900 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 107 PID 4384 wrote to memory of 4900 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 107 PID 4384 wrote to memory of 5084 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 109 PID 4384 wrote to memory of 5084 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 109 PID 4384 wrote to memory of 5084 4384 541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe 109 PID 5084 wrote to memory of 116 5084 csrss.exe 110 PID 5084 wrote to memory of 116 5084 csrss.exe 110 PID 5084 wrote to memory of 116 5084 csrss.exe 110 PID 5084 wrote to memory of 2388 5084 csrss.exe 116 PID 5084 wrote to memory of 2388 5084 csrss.exe 116 PID 5084 wrote to memory of 2388 5084 csrss.exe 116 PID 5084 wrote to memory of 1156 5084 csrss.exe 118 PID 5084 wrote to memory of 1156 5084 csrss.exe 118 PID 5084 wrote to memory of 1156 5084 csrss.exe 118 PID 5084 wrote to memory of 4296 5084 csrss.exe 120 PID 5084 wrote to memory of 4296 5084 csrss.exe 120 PID 3488 wrote to memory of 3972 3488 windefender.exe 126 PID 3488 wrote to memory of 3972 3488 windefender.exe 126 PID 3488 wrote to memory of 3972 3488 windefender.exe 126 PID 3972 wrote to memory of 932 3972 cmd.exe 127 PID 3972 wrote to memory of 932 3972 cmd.exe 127 PID 3972 wrote to memory of 932 3972 cmd.exe 127 -
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\541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe"C:\Users\Admin\AppData\Local\Temp\541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1932
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C:\Users\Admin\AppData\Local\Temp\541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.exe"C:\Users\Admin\AppData\Local\Temp\541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3.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:4384 -
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:2828
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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:4836 -
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:4208
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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:4928
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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:4900
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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:5084 -
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:116
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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:3052
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2660
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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:2388
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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:1156
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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:4296
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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:4080
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3488 -
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:3972 -
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:932
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3660
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52d46c88e007eeffa23f71220217d58b5
SHA1a7954c65e532bed84242689ba720efa3cf4f1015
SHA256f50c013c8696ea7608b54e8a056df91295c422e5eebde8497039f29c46b1fd10
SHA51221ac05ae424b7dff45999e8f73e295f468ad50c923acede08f14b4c090b541442e58e7658a580b91b976f1da7aafb3d0f75c21bfe61ecc01858a7bc408abc7d7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD573f95307c5b13ea36d4b621b9fc21a14
SHA1b23055fc77a1945d308ab0d02cdf7beb3ddf55a1
SHA25697a258819a0a79876778fe7b87307845bebb178ed5192feab3c1c707bd4e1d83
SHA51236e4ce9c40c24f466ffed46d072cbdacc4e6cb2e24ab7406d50d12ae1a050dc13674ce9441b4ce2238df99d2d5bc20e8fcbe11a6bba2c96875db32e5e2488fb2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53759cb61d516273ae3e79c1d2578eb8c
SHA1ae0f27644b0514ddba9dd44426f22d7e5969fe21
SHA2569f1a42dd19746c356dc6ca5e76096e079edc2c6f64bd0ce8170e8754bc7c9587
SHA51225b9d249ca7efad7fd118cf359816abdb206ea6f37862a0f1250c38774b7a5bf201570086ca714b7eb6567b988d675e5799cb37b1aff11504ae92103be3d2099
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58cbfad1d73fe27b94bdd35b6da52c5c9
SHA127794de2ba6f81c033f37ff9968a9a8ae843d1f8
SHA2564c6e806fb642675fb525d0ffb103e2b0733b15966bf130d364a6bccd53488380
SHA5124ff753e0ba29ee90b5ddb1e0c1a5075f37e05a5950b113a27cb17756220b8b0c7da434f3063ecdd73f9e13cf2cf2fe2993aae59523858bab2d4937c964fe4edc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f3ce5974646ec3e123b7d4942dc01eac
SHA1f823a2390ec5a0cefa9c59f397c5dc70b2b6d017
SHA25655d39e7baa818c44961cf37c5649e9ed327c55914d55c98d761e9d77b39d6fd8
SHA5126515f4d34a1b262e9d16d74aa329f847944736dfbea88af92de0e0099c5efe9c26672d251afdf12e8284f72f04c2deed5fd6dac541f57bdc86caa8b8c35f392c
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Filesize
4.1MB
MD5d78ccbbf670d86a5c58611ffde6d381b
SHA140d0317287ba0c349ef036d2278be888f564aa1c
SHA256541ff1ee1d6c48c3ad235c9f05605b2eb22774716354280fb3aac1f020faeba3
SHA512d0d2dc5b7970e25e370c22a67571ee8fe7398c787e2c9f102a7292041a001c80378b5242c84f87db096b9117052273d66ed092517f25b22fb8b762aeb92d928a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec