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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/05/2024, 01:58
Static task
static1
Behavioral task
behavioral1
Sample
512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe
Resource
win10v2004-20240426-en
General
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Target
512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe
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Size
4.1MB
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MD5
a4dcafafd421da2d8c467a838e5fab0f
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SHA1
78a7c9ae97b97cbe4895b973f6afd470d590b4b2
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SHA256
512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32
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SHA512
2d10c38cf46bcbb4133f46caaa09b447c013d4002858195a9fae49d93a25b9ca27bbfb737a65acd9e7441c02ee9b615dadb3672c07b2a9f4927a529c950e712d
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SSDEEP
98304:UrbgSYZm0VZ47d2LjXdY+WeqK35WW/TEhU3Gu22g:UrcnZFqd2LRPP3hYhQZg
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1064-2-0x0000000004520000-0x0000000004E0B000-memory.dmp family_glupteba behavioral2/memory/1064-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1064-98-0x0000000004520000-0x0000000004E0B000-memory.dmp family_glupteba behavioral2/memory/1064-96-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1064-159-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/572-158-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1816-199-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1816-213-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1816-217-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1816-220-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1816-224-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1816-227-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1816-231-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1816-237-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1816-240-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1816-243-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1816-247-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1816-253-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1816-256-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2124 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1816 csrss.exe 1384 injector.exe 2588 windefender.exe 3084 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab42-205.dat upx behavioral2/memory/2588-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2588-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3084-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3084-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3084-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe File created C:\Windows\rss\csrss.exe 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.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 4980 sc.exe -
pid Process 992 powershell.exe 1856 powershell.exe 2600 powershell.exe 2844 powershell.exe 388 powershell.exe 4460 powershell.exe 3596 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 4024 schtasks.exe 1032 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,-332 = "E. Europe Standard Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.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,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.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,-842 = "Argentina Standard Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.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,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3596 powershell.exe 3596 powershell.exe 1064 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 1064 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 992 powershell.exe 992 powershell.exe 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 1856 powershell.exe 1856 powershell.exe 2600 powershell.exe 2600 powershell.exe 2844 powershell.exe 2844 powershell.exe 388 powershell.exe 388 powershell.exe 4460 powershell.exe 4460 powershell.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1816 csrss.exe 1816 csrss.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1816 csrss.exe 1816 csrss.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1816 csrss.exe 1816 csrss.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe 1384 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3596 powershell.exe Token: SeDebugPrivilege 1064 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Token: SeImpersonatePrivilege 1064 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe Token: SeDebugPrivilege 992 powershell.exe Token: SeDebugPrivilege 1856 powershell.exe Token: SeDebugPrivilege 2600 powershell.exe Token: SeDebugPrivilege 2844 powershell.exe Token: SeDebugPrivilege 388 powershell.exe Token: SeDebugPrivilege 4460 powershell.exe Token: SeSystemEnvironmentPrivilege 1816 csrss.exe Token: SeSecurityPrivilege 4980 sc.exe Token: SeSecurityPrivilege 4980 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1064 wrote to memory of 3596 1064 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 80 PID 1064 wrote to memory of 3596 1064 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 80 PID 1064 wrote to memory of 3596 1064 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 80 PID 572 wrote to memory of 992 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 86 PID 572 wrote to memory of 992 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 86 PID 572 wrote to memory of 992 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 86 PID 572 wrote to memory of 4228 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 88 PID 572 wrote to memory of 4228 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 88 PID 4228 wrote to memory of 2124 4228 cmd.exe 90 PID 4228 wrote to memory of 2124 4228 cmd.exe 90 PID 572 wrote to memory of 1856 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 91 PID 572 wrote to memory of 1856 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 91 PID 572 wrote to memory of 1856 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 91 PID 572 wrote to memory of 2600 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 93 PID 572 wrote to memory of 2600 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 93 PID 572 wrote to memory of 2600 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 93 PID 572 wrote to memory of 1816 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 95 PID 572 wrote to memory of 1816 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 95 PID 572 wrote to memory of 1816 572 512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe 95 PID 1816 wrote to memory of 2844 1816 csrss.exe 96 PID 1816 wrote to memory of 2844 1816 csrss.exe 96 PID 1816 wrote to memory of 2844 1816 csrss.exe 96 PID 1816 wrote to memory of 388 1816 csrss.exe 101 PID 1816 wrote to memory of 388 1816 csrss.exe 101 PID 1816 wrote to memory of 388 1816 csrss.exe 101 PID 1816 wrote to memory of 4460 1816 csrss.exe 104 PID 1816 wrote to memory of 4460 1816 csrss.exe 104 PID 1816 wrote to memory of 4460 1816 csrss.exe 104 PID 1816 wrote to memory of 1384 1816 csrss.exe 106 PID 1816 wrote to memory of 1384 1816 csrss.exe 106 PID 2588 wrote to memory of 3744 2588 windefender.exe 112 PID 2588 wrote to memory of 3744 2588 windefender.exe 112 PID 2588 wrote to memory of 3744 2588 windefender.exe 112 PID 3744 wrote to memory of 4980 3744 cmd.exe 113 PID 3744 wrote to memory of 4980 3744 cmd.exe 113 PID 3744 wrote to memory of 4980 3744 cmd.exe 113 -
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\512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe"C:\Users\Admin\AppData\Local\Temp\512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3596
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C:\Users\Admin\AppData\Local\Temp\512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.exe"C:\Users\Admin\AppData\Local\Temp\512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32.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:572 -
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:992
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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:4228 -
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:2124
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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:1856
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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:2600
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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:1816 -
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:2844
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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:4024
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4264
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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:388
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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:4460
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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:1384
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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:1032
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2588 -
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:3744 -
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:4980
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3084
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
MD5821ec25a792ede450c3089d34cac982c
SHA1fba432d7adbb57ec816f614b7afb88e69884d6de
SHA256dad91ea742537a2ef74cc97b00e1441853685cb643cf737ce09de95f9ad7bb98
SHA512f700ee6d2b14a8ab6c95392cf515b435ef3e3b842489bf6e909bcefd2b1fc38ae530fab93a24067070cb4a627eae832e2537afcebd37b3c07a47551330fa6124
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50703c13cb9567df5e92f5cc6155a1073
SHA1ca6def8a7c63f1ee007cb77c697c3ae867f07c2b
SHA256a30955531c9655f8d291076e038f2a0c05d643dd82e67ff8d90985ccced95f09
SHA512871b13dee8df2f4a10c698b0c882eb1b8316a3e62f68736278ec8d7b919199117ab80537ac9a4624e0b0bbe933d5ede729976273f0ec4340d688f67f51a31653
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fca7a99a1e5c2d11c5c1140d7e7a9694
SHA128ab64097f7ed89c8213c978787f75dce6de0de2
SHA2564731df61d223bed209ee2d8dca6cab6b5e147e657cb8e861506790b1b4b2532a
SHA512bbaba47ae3e509a559e613084902650b62567e0c13c9aa994a4f7d7aad9b8431a8239c1e764f1b37e8d040d013720b91230f975b2f4556d5affaffbc09e8aedf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f37ae8a9fe7bd71d5b91b94067c0dd66
SHA1c53ca5202c54ce837e52e59198b3b8f4551959cd
SHA256d342003ba81536e859336a91bb76a97cf8cab528f640f19135fd0ead173d1b00
SHA512f1e2a09fd64d38836fc364c209944d977bc6c17d4c19fa4ca1d4fb8cf4275b7fdd887a4c0447cdf536e1b162574d3c9b506c21567403fa5d7e7dea041aeeb806
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c3577f4660c7b5c754ebd4ca9a06cbde
SHA1c81c7e5390d37513665935975a48d5e96c372329
SHA256e7e0b75a94eb51a26b943fc96184561a9826f382030ffb1a81f5a46b205eba88
SHA5126f2c857605d7246ec4f49f5e4dd5a23061634e60c04cbfe69165d54fc251b15fd8ea582887f5da9695f148b01b16a4b7378fe6d563d278275726ffa521fe5c8d
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Filesize
4.1MB
MD5a4dcafafd421da2d8c467a838e5fab0f
SHA178a7c9ae97b97cbe4895b973f6afd470d590b4b2
SHA256512c8ffe896415be7dc02ba37eb2cab5f84b114ecddb108a8ec7410ee75abb32
SHA5122d10c38cf46bcbb4133f46caaa09b447c013d4002858195a9fae49d93a25b9ca27bbfb737a65acd9e7441c02ee9b615dadb3672c07b2a9f4927a529c950e712d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec