Analysis
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max time kernel
150s -
max time network
136s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
25-04-2024 13:10
Static task
static1
Behavioral task
behavioral1
Sample
2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe
Resource
win10v2004-20240412-en
General
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Target
2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe
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Size
4.2MB
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MD5
8fb180d9be8c59e56ff5e267446a688a
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SHA1
fa159f11a932d539760c5fdbf42a89872a911475
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SHA256
2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb
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SHA512
adfeef5ddff34e17a138c0fa9ce08b8a43e3e4b61d90a6e2f71c85dc6e97cdee3ee41545a9b30f0afcd36114af77766eba060f654cb7c1323f95cb913ff4a562
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SSDEEP
98304:JlPNnLMcliXgk6mZUGEiVLqbbhuqLV4AlEjP7e:JlP9LMc0wkDbEiV0LVIC
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral2/memory/236-2-0x00000000053E0000-0x0000000005CCB000-memory.dmp family_glupteba behavioral2/memory/236-3-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/236-51-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/236-53-0x00000000053E0000-0x0000000005CCB000-memory.dmp family_glupteba behavioral2/memory/2936-55-0x0000000005250000-0x0000000005B3B000-memory.dmp family_glupteba behavioral2/memory/2936-56-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2936-89-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2936-102-0x00000000036A0000-0x0000000003AA6000-memory.dmp family_glupteba behavioral2/memory/2936-115-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2936-151-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2520-186-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2520-249-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2520-258-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2520-260-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2520-262-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2520-264-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2520-266-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2520-268-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2520-270-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral2/memory/2520-272-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1904 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 2520 csrss.exe 1248 injector.exe 3560 windefender.exe 2992 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/3560-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2992-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2992-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe -
Drops file in Windows directory 4 IoCs
Processes:
2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe File created C:\Windows\rss\csrss.exe 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 1008 sc.exe -
Program crash 3 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exepid pid_target process target process 2516 2936 WerFault.exe 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 1920 2936 WerFault.exe 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 852 2936 WerFault.exe 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 2696 schtasks.exe 1352 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.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\26\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.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\26\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exepowershell.exe2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2756 powershell.exe 2756 powershell.exe 236 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 236 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 684 powershell.exe 684 powershell.exe 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe 540 powershell.exe 540 powershell.exe 3700 powershell.exe 3700 powershell.exe 4848 powershell.exe 4848 powershell.exe 4512 powershell.exe 4512 powershell.exe 1956 powershell.exe 1956 powershell.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 2520 csrss.exe 2520 csrss.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 2520 csrss.exe 2520 csrss.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 2520 csrss.exe 2520 csrss.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe 1248 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2756 powershell.exe Token: SeDebugPrivilege 236 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Token: SeImpersonatePrivilege 236 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe Token: SeDebugPrivilege 684 powershell.exe Token: SeDebugPrivilege 540 powershell.exe Token: SeDebugPrivilege 3700 powershell.exe Token: SeDebugPrivilege 4848 powershell.exe Token: SeDebugPrivilege 4512 powershell.exe Token: SeDebugPrivilege 1956 powershell.exe Token: SeSystemEnvironmentPrivilege 2520 csrss.exe Token: SeSecurityPrivilege 1008 sc.exe Token: SeSecurityPrivilege 1008 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 236 wrote to memory of 2756 236 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 236 wrote to memory of 2756 236 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 236 wrote to memory of 2756 236 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 2936 wrote to memory of 684 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 2936 wrote to memory of 684 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 2936 wrote to memory of 684 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 2936 wrote to memory of 1100 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe cmd.exe PID 2936 wrote to memory of 1100 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe cmd.exe PID 1100 wrote to memory of 1904 1100 cmd.exe netsh.exe PID 1100 wrote to memory of 1904 1100 cmd.exe netsh.exe PID 2936 wrote to memory of 540 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 2936 wrote to memory of 540 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 2936 wrote to memory of 540 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 2936 wrote to memory of 3700 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 2936 wrote to memory of 3700 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 2936 wrote to memory of 3700 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe powershell.exe PID 2936 wrote to memory of 2520 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe csrss.exe PID 2936 wrote to memory of 2520 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe csrss.exe PID 2936 wrote to memory of 2520 2936 2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe csrss.exe PID 2520 wrote to memory of 4848 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 4848 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 4848 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 4512 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 4512 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 4512 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 1956 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 1956 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 1956 2520 csrss.exe powershell.exe PID 2520 wrote to memory of 1248 2520 csrss.exe injector.exe PID 2520 wrote to memory of 1248 2520 csrss.exe injector.exe PID 3560 wrote to memory of 4768 3560 windefender.exe cmd.exe PID 3560 wrote to memory of 4768 3560 windefender.exe cmd.exe PID 3560 wrote to memory of 4768 3560 windefender.exe cmd.exe PID 4768 wrote to memory of 1008 4768 cmd.exe sc.exe PID 4768 wrote to memory of 1008 4768 cmd.exe sc.exe PID 4768 wrote to memory of 1008 4768 cmd.exe sc.exe -
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\2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe"C:\Users\Admin\AppData\Local\Temp\2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:236 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2756 -
C:\Users\Admin\AppData\Local\Temp\2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.exe"C:\Users\Admin\AppData\Local\Temp\2bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb.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:2936 -
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:684 -
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:1100 -
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:1904 -
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:540 -
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:3700 -
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:2520 -
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:4848 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1352 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:236
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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:4512 -
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:1956 -
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:1248 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2696 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3560 -
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:4768 -
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:1008 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 8003⤵
- Program crash
PID:2516 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 9003⤵
- Program crash
PID:1920 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 8043⤵
- Program crash
PID:852
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2936 -ip 29361⤵PID:4712
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2936 -ip 29361⤵PID:4432
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2936 -ip 29361⤵PID:3040
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2992
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a2dcf3e4ad7d543b20eb463b579230b7
SHA141ad36b83111f6848fb97aa7ada530f76035adde
SHA256c95189f23c131e02d19def5adee87372772e0f279d51a170b0817a515c8f7872
SHA51217830b4cf1e04ba4d8cf94fa52890c6667308b5aca4340d687fbfbc1bd5d401b88427fc1f113d3793910d8b6a2c8021bc5ad7c64b36963686fd57ff7afb8b0a0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD550d8a9224adc991d00ae5b9fab2b0637
SHA1bb95ffa191663d517bbb4b12406af39b0768f250
SHA256a091456dfd7a1ed762757a1082490ae3490fbbdde9da226905e7a79a217eb5db
SHA512b68cb6fe739f8379ad39a7de823aac5573326d70ce46552a6c62be274a37ec6d9c73379a79f21e5d339c40787b25894d42ad5c224b14736ac165d36f9d67fe0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD550aa4665de663a27ea9513f5da334e4c
SHA120c0b2ac45d9e0802b8dc1843c9c04b4c66a95c1
SHA256df563bd78ff3f873d73c229c8019e8ec85dbdb29dcfc903b440214528f2dbe41
SHA51204ff4bdef63434d85b9b9e5a6f017a1806d9ce0d25117467a2b103d1187d5787c99c4aa2e7d04d0c645806bbe6d2efa3af2d2555f4cc37a40113252a91101b6a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f5e1852c09fff05d251263a0f9e7ecd1
SHA158d0fc6a597502af59249351c8a3cef74b3e325b
SHA256f7a157c0b13b95ed069098e6c4f3ff44da8cc1c3c8a9b126711890d6b712e5de
SHA512026cffa53a98c0de269f502676799defb3a16483e08cf4672383dfd591ab133a578407855cd75ccd6d5f5e28f87fdc1e06040fb8cdc381340f197f17c4362180
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56308401ea4a2a11e2d42c1b3525f751c
SHA198e451cf465a07ec1a3fa949c14fbc0f29190285
SHA256e0d304ef6b2303f28633b5d3017a80f773156699d750d9170be4cf95488e2668
SHA512415c05980694d3055044b1534e422f70b30f37b43336b487e594bf3fb3bfc6c954242bb68bbf4a1db57b21c3ee23d78f42e0dd849ec8ef93948dad7a0e893510
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Filesize
4.2MB
MD58fb180d9be8c59e56ff5e267446a688a
SHA1fa159f11a932d539760c5fdbf42a89872a911475
SHA2562bd34a6362a07443a48cc9fc6b2cab0959e13abf2ae7dfd70b926dc0c6818fcb
SHA512adfeef5ddff34e17a138c0fa9ce08b8a43e3e4b61d90a6e2f71c85dc6e97cdee3ee41545a9b30f0afcd36114af77766eba060f654cb7c1323f95cb913ff4a562
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec