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Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
26/03/2024, 10:50
Static task
static1
Behavioral task
behavioral1
Sample
2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe
Resource
win10v2004-20240226-en
General
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Target
2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe
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Size
4.2MB
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MD5
980ba92a9990c31fe95f50a3a0484d9b
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SHA1
7d65262637388c6ff2e3d7a81c1d41852210f39e
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SHA256
2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f
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SHA512
bd26029fea9708d80c0dd90aad91210fe7c95b0e2d1dcd635540d7c4812b33439a2a81e202e899c870f1336bc79e88229933ec3986bb45bdb55c63a0d4a84009
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SSDEEP
98304:7Qx1mA16Q9J7UePP+dPnQjqZi7LPRPOwseq2a6JLSzHqqZL9C:M1me6QH4ePoPZALPRP/Qqws
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/216-2-0x00000000032B0000-0x0000000003B9B000-memory.dmp family_glupteba behavioral1/memory/216-3-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/216-50-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/216-55-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/216-57-0x00000000032B0000-0x0000000003B9B000-memory.dmp family_glupteba behavioral1/memory/4872-59-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/4872-93-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/4872-124-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/4872-153-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/4872-158-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/2840-243-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/2840-263-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/2840-271-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/2840-273-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/2840-275-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/2840-277-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/2840-279-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/2840-281-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/2840-283-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/2840-285-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/2840-287-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2848 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2840 csrss.exe 3364 injector.exe 1888 windefender.exe 1808 windefender.exe -
resource yara_rule behavioral1/files/0x000c00000002311e-266.dat upx behavioral1/memory/1888-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1808-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1808-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe File created C:\Windows\rss\csrss.exe 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1544 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 64 216 WerFault.exe 89 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1216 schtasks.exe 1768 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.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\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\22\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.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\22\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4632 powershell.exe 4632 powershell.exe 4632 powershell.exe 216 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 216 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 4276 powershell.exe 4276 powershell.exe 4276 powershell.exe 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 5052 powershell.exe 5052 powershell.exe 5052 powershell.exe 3360 powershell.exe 3360 powershell.exe 3360 powershell.exe 4876 powershell.exe 4876 powershell.exe 4876 powershell.exe 4148 powershell.exe 4148 powershell.exe 4148 powershell.exe 3360 powershell.exe 3360 powershell.exe 3360 powershell.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 2840 csrss.exe 2840 csrss.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 2840 csrss.exe 2840 csrss.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 2840 csrss.exe 2840 csrss.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe 3364 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4632 powershell.exe Token: SeDebugPrivilege 216 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Token: SeImpersonatePrivilege 216 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe Token: SeDebugPrivilege 4276 powershell.exe Token: SeDebugPrivilege 5052 powershell.exe Token: SeDebugPrivilege 3360 powershell.exe Token: SeDebugPrivilege 4876 powershell.exe Token: SeDebugPrivilege 4148 powershell.exe Token: SeDebugPrivilege 3360 powershell.exe Token: SeSystemEnvironmentPrivilege 2840 csrss.exe Token: SeSecurityPrivilege 1544 sc.exe Token: SeSecurityPrivilege 1544 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 216 wrote to memory of 4632 216 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 94 PID 216 wrote to memory of 4632 216 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 94 PID 216 wrote to memory of 4632 216 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 94 PID 4872 wrote to memory of 4276 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 108 PID 4872 wrote to memory of 4276 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 108 PID 4872 wrote to memory of 4276 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 108 PID 4872 wrote to memory of 2368 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 110 PID 4872 wrote to memory of 2368 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 110 PID 2368 wrote to memory of 2848 2368 cmd.exe 112 PID 2368 wrote to memory of 2848 2368 cmd.exe 112 PID 4872 wrote to memory of 5052 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 113 PID 4872 wrote to memory of 5052 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 113 PID 4872 wrote to memory of 5052 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 113 PID 4872 wrote to memory of 3360 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 115 PID 4872 wrote to memory of 3360 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 115 PID 4872 wrote to memory of 3360 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 115 PID 4872 wrote to memory of 2840 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 118 PID 4872 wrote to memory of 2840 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 118 PID 4872 wrote to memory of 2840 4872 2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe 118 PID 2840 wrote to memory of 4876 2840 csrss.exe 119 PID 2840 wrote to memory of 4876 2840 csrss.exe 119 PID 2840 wrote to memory of 4876 2840 csrss.exe 119 PID 2840 wrote to memory of 4148 2840 csrss.exe 126 PID 2840 wrote to memory of 4148 2840 csrss.exe 126 PID 2840 wrote to memory of 4148 2840 csrss.exe 126 PID 2840 wrote to memory of 3360 2840 csrss.exe 129 PID 2840 wrote to memory of 3360 2840 csrss.exe 129 PID 2840 wrote to memory of 3360 2840 csrss.exe 129 PID 2840 wrote to memory of 3364 2840 csrss.exe 132 PID 2840 wrote to memory of 3364 2840 csrss.exe 132 PID 1888 wrote to memory of 3052 1888 windefender.exe 143 PID 1888 wrote to memory of 3052 1888 windefender.exe 143 PID 1888 wrote to memory of 3052 1888 windefender.exe 143 PID 3052 wrote to memory of 1544 3052 cmd.exe 144 PID 3052 wrote to memory of 1544 3052 cmd.exe 144 PID 3052 wrote to memory of 1544 3052 cmd.exe 144 -
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\2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe"C:\Users\Admin\AppData\Local\Temp\2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:216 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4632
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C:\Users\Admin\AppData\Local\Temp\2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.exe"C:\Users\Admin\AppData\Local\Temp\2550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f.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:4872 -
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:4276
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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:2368 -
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:2848
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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:5052
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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:3360
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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:2840 -
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:4876
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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:1216
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3500
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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:4148
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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:3360
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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:3364
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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:1768
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1888 -
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:3052 -
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:1544
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 216 -s 8202⤵
- Program crash
PID:64
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 216 -ip 2161⤵PID:2212
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1808
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ac2d1d72c705d85b6443e67c76849d37
SHA19496acd9c1845516ea03c7e88ef9b6197c3b3aed
SHA256dcf636c34394c449d9b93001bb8c2ce518f59ba75cdcce5e256521d51597e53e
SHA5127ee12460c53416ebedcc84de337a18d9ca7ba14e66df628b79409a86ab1aa05f99ab61d638ef9ff86ebf10b72aab83ecd9e212abdd0e7c2f6b60707435b871cc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ce8161d66af42e39e1c4859768cf6a70
SHA16ca9556e818f13c9a213e3f46e5405372fee0937
SHA256a6ed87e7234a420f76dca8d191fe2c4a8daee2aa313336562107b73f642dc315
SHA5128a04c8eaa8a32f3392470e29af51dae8c6a853ea984ac967b1de696dace3b28b9c2a47906f4be322b93dbe2cc52c7df98d6a9c4db8a86fdae4d1c0345b625860
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5307d8f171a808494d001ed27fada6b52
SHA18d2c65bd4bd637cfe4b445df046bab671ec89705
SHA25697ccec4caaa259a71334b85c6fe829aa38d1a69d01189f061f05a4cf74fe5790
SHA51213d88954fb1ceb469dea3baa7db633932a0c52e1ed581a991361a44219d701626e142ef1f2478d9defea6df461c9ea368b9455f1ccc75ec87d9ff5e75556c113
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e6382a1f738e7d3b2212f656d2abb3ef
SHA129ad841173d78f59bba3b65b1fe519bbb0c411ab
SHA2568b870a1ff6b9266205d3a168122bedb2a518d531f21899328453ff11f362a2e0
SHA512cda90553de693d91c268c33329779909f95675a43a5db7ebc46df3f9d8f33742354617ee8858185289928c282991a2a80a76fdd1f037741e80b6baf37a8bacb0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52606ebf9d9e3d4276d46b12076bad804
SHA17f4d0c2a9bdf1c5e8dcc4db3f9e5bbbe617fa01e
SHA2564bc5265793269eea3d609a85304d545e4aac904f1d90be3b1963eb6ae4bd045d
SHA512f3383861ee381e9bb4063a4f678d4e4df027abf964cbe8dd133219ed644d976c068db99958e85556d0ab8f00fd9fcc2e60f481d2ce7c6cc347c5fa04d85b94a4
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Filesize
4.2MB
MD5980ba92a9990c31fe95f50a3a0484d9b
SHA17d65262637388c6ff2e3d7a81c1d41852210f39e
SHA2562550f80732159b01dd34c1c9a3152033e7ac7ac2c9a643d966c4b75a585ca45f
SHA512bd26029fea9708d80c0dd90aad91210fe7c95b0e2d1dcd635540d7c4812b33439a2a81e202e899c870f1336bc79e88229933ec3986bb45bdb55c63a0d4a84009
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec