Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
27-04-2024 22:25
Static task
static1
Behavioral task
behavioral1
Sample
185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe
Resource
win10v2004-20240426-en
General
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Target
185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe
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Size
4.2MB
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MD5
8e5c6d736faa3afaeb3ec4362a7b763e
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SHA1
0b3a10e74e1a0f2b0a0e701782a325842145b961
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SHA256
185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5
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SHA512
e33c6cb3cc1348827e17d12ca2e492472e94cf3a38e7bf4c4737ec0b2abda4b27dbc4acbd3f12d7654551d4bb173334054394e6ff88ae0fbd200057e49b0c322
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SSDEEP
98304:3amOmyh13YwSD+iffg9rOMOczucEEdNxQlfwo87Elwi0PG16:3Ty8Jy4o9ecZxQhwo8IinPG16
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/3348-2-0x0000000003E80000-0x000000000476B000-memory.dmp family_glupteba behavioral1/memory/3348-3-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/744-132-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3348-158-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3348-210-0x0000000003E80000-0x000000000476B000-memory.dmp family_glupteba behavioral1/memory/3404-217-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3404-227-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3404-230-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3404-234-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3404-237-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3404-240-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3404-242-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3404-246-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3404-249-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3404-252-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3404-254-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3404-258-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3404-261-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3892 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3404 csrss.exe 1936 injector.exe 408 windefender.exe 4208 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/408-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/408-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4208-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4208-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4208-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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:
185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe -
Drops file in Windows directory 4 IoCs
Processes:
185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe File created C:\Windows\rss\csrss.exe 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.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 4760 sc.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 392 schtasks.exe 3132 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-502 = "Nepal 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" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.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,-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,-42 = "E. South America Standard Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.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" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.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,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.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,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exepowershell.exe185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1492 powershell.exe 1492 powershell.exe 3348 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe 3348 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe 2172 powershell.exe 2172 powershell.exe 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe 1508 powershell.exe 1508 powershell.exe 3068 powershell.exe 3068 powershell.exe 1904 powershell.exe 1904 powershell.exe 3628 powershell.exe 3628 powershell.exe 4504 powershell.exe 4504 powershell.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 3404 csrss.exe 3404 csrss.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 3404 csrss.exe 3404 csrss.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 3404 csrss.exe 3404 csrss.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe 1936 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1492 powershell.exe Token: SeDebugPrivilege 3348 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Token: SeImpersonatePrivilege 3348 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe Token: SeDebugPrivilege 2172 powershell.exe Token: SeDebugPrivilege 1508 powershell.exe Token: SeDebugPrivilege 3068 powershell.exe Token: SeDebugPrivilege 1904 powershell.exe Token: SeDebugPrivilege 3628 powershell.exe Token: SeDebugPrivilege 4504 powershell.exe Token: SeSystemEnvironmentPrivilege 3404 csrss.exe Token: SeSecurityPrivilege 4760 sc.exe Token: SeSecurityPrivilege 4760 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3348 wrote to memory of 1492 3348 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe powershell.exe PID 3348 wrote to memory of 1492 3348 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe powershell.exe PID 3348 wrote to memory of 1492 3348 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe powershell.exe PID 744 wrote to memory of 2172 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe powershell.exe PID 744 wrote to memory of 2172 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe powershell.exe PID 744 wrote to memory of 2172 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe powershell.exe PID 744 wrote to memory of 1036 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe cmd.exe PID 744 wrote to memory of 1036 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe cmd.exe PID 1036 wrote to memory of 3892 1036 cmd.exe netsh.exe PID 1036 wrote to memory of 3892 1036 cmd.exe netsh.exe PID 744 wrote to memory of 1508 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe powershell.exe PID 744 wrote to memory of 1508 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe powershell.exe PID 744 wrote to memory of 1508 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe powershell.exe PID 744 wrote to memory of 3068 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe powershell.exe PID 744 wrote to memory of 3068 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe powershell.exe PID 744 wrote to memory of 3068 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe powershell.exe PID 744 wrote to memory of 3404 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe csrss.exe PID 744 wrote to memory of 3404 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe csrss.exe PID 744 wrote to memory of 3404 744 185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe csrss.exe PID 3404 wrote to memory of 1904 3404 csrss.exe powershell.exe PID 3404 wrote to memory of 1904 3404 csrss.exe powershell.exe PID 3404 wrote to memory of 1904 3404 csrss.exe powershell.exe PID 3404 wrote to memory of 3628 3404 csrss.exe powershell.exe PID 3404 wrote to memory of 3628 3404 csrss.exe powershell.exe PID 3404 wrote to memory of 3628 3404 csrss.exe powershell.exe PID 3404 wrote to memory of 4504 3404 csrss.exe powershell.exe PID 3404 wrote to memory of 4504 3404 csrss.exe powershell.exe PID 3404 wrote to memory of 4504 3404 csrss.exe powershell.exe PID 3404 wrote to memory of 1936 3404 csrss.exe injector.exe PID 3404 wrote to memory of 1936 3404 csrss.exe injector.exe PID 408 wrote to memory of 968 408 windefender.exe cmd.exe PID 408 wrote to memory of 968 408 windefender.exe cmd.exe PID 408 wrote to memory of 968 408 windefender.exe cmd.exe PID 968 wrote to memory of 4760 968 cmd.exe sc.exe PID 968 wrote to memory of 4760 968 cmd.exe sc.exe PID 968 wrote to memory of 4760 968 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\185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe"C:\Users\Admin\AppData\Local\Temp\185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3348 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1492
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C:\Users\Admin\AppData\Local\Temp\185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.exe"C:\Users\Admin\AppData\Local\Temp\185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5.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:744 -
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:2172
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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:1036 -
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:3892
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1508
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3068
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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:3404 -
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:1904
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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:392
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5004
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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:3628
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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:4504
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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:1936
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3132
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:408 -
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:968 -
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:4760
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4208
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD508d6e52f51deccfc60c6c13bf46cddb4
SHA18ec8c7298e8cdbe7c5b7a1123d2d6cdf0bd51a2b
SHA256e89b49b82d85df1eefae183bcad4891740b342e243d88cbffa972df18aeb3c56
SHA51242a02cf8162bc3eedcd92951ebd371a01e9f09fbb15b47d02c2184aa164291dc17e8585f4150184857a8eeeab8952a8ec6029870ac537abfd52de62e6df97fb7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d5cbff48227b15dc994acf6fde1a698
SHA147c89d34339ef17293639f5c7b5814f0f71843e2
SHA256abddaadc72c49ff4c1dae9f968bed2158d0e78c92f67151c876fbb9df731e54c
SHA512c248c4baccca557717802fe575bf0ef611049b34127c3c6fd006e21545fc0fdb18753d5e9a918cf3731a9f5dc521b8b0615a5e5dd4956cc227ce15ffb6284085
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52ae7781a0ee044967d982c44b29e89d3
SHA1390631b8674ed15838eb9822667cd8c2e66c8409
SHA256c2c4ece3c6f380826890ba163eb5797b943bf66f495a364926fb161d63cff476
SHA51202b4d8c5847a9b35c920b4ee96b07c9d3a1b50bbe950199eb7d466d3179116be2014fdcc432b00653889a9202062210cea028a4a652e4a23ed27a74f4d3e01f2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51e9ed0c0946217d3039e47878c4b789f
SHA1beb0dc4242377f1963066b741913444a8e1825e2
SHA256cdc7ca08e92f404db9693f29ca1cf4630db03173af9d006c3619f8b7498e66bf
SHA51293f6866429e0e31f8f62f42650e478e0b0a4790d2bb3fdf6a4fb8245569f38ec17ec85dc19f246d6cf29e72c99ce67b160d68fbd42a149be5bc092b7e0687aeb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c278fef2a912edbe8f8fd0db91effa2f
SHA1be601d138afd48454a03b1af44b42d88c2c60f57
SHA2564fa798595f1f4883ec178ebab5b85cb695366a739dedc9d8b2d7a163d0d90742
SHA51219ff2157f9a12b2bd6071b034bf1ec75c476a77637b3d7d1ab3b96df2db5ede6a922c0fb49c604aa174f65327d386742df91ded1731d573a7eca3782dad9b8ad
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Filesize
4.2MB
MD58e5c6d736faa3afaeb3ec4362a7b763e
SHA10b3a10e74e1a0f2b0a0e701782a325842145b961
SHA256185d9c8b9a62d60137a95278bcb1d5170001a6f2075358916ac4228d260f19f5
SHA512e33c6cb3cc1348827e17d12ca2e492472e94cf3a38e7bf4c4737ec0b2abda4b27dbc4acbd3f12d7654551d4bb173334054394e6ff88ae0fbd200057e49b0c322
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec