Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09-04-2024 07:58
Static task
static1
Behavioral task
behavioral1
Sample
db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe
Resource
win10v2004-20240226-en
General
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Target
db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe
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Size
4.2MB
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MD5
0e4bbd7e4994d5673fa4bff0c35d34b4
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SHA1
24eb48964d2e2b03002e9767a288fd52bbb8a7b0
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SHA256
db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1
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SHA512
fde273456ebfb59b913e3019ec03b1549fc8fd9f6de9f7400d408caada1e44a19b91cbbbf13606658f9e7ddc2d4c7f5fe306fa01f45465cda508fc547be4b494
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SSDEEP
98304:nWYTD4CiRAXSuxVnp+h0WN3qbzsOgCkg0/uBam+HdHFr6kg:nWYDyEfm0WN3qbzs94alHdHFC
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/1404-2-0x00000000052E0000-0x0000000005BCB000-memory.dmp family_glupteba behavioral1/memory/1404-3-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/1404-29-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/1404-49-0x00000000052E0000-0x0000000005BCB000-memory.dmp family_glupteba behavioral1/memory/3484-60-0x0000000005110000-0x00000000059FB000-memory.dmp family_glupteba behavioral1/memory/1404-58-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3484-61-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3484-95-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3484-110-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3484-126-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3484-158-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/2588-222-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/2588-260-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/2588-269-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/2588-270-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/2588-273-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/2588-274-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/2588-277-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/2588-279-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/2588-281-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/2588-283-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3580 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2588 csrss.exe 440 injector.exe 4656 windefender.exe 3740 windefender.exe -
resource yara_rule behavioral1/files/0x0003000000021b3f-263.dat upx behavioral1/memory/4656-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3740-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3740-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\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 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 -
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 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe File created C:\Windows\rss\csrss.exe db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 716 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4464 1404 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4104 schtasks.exe 3280 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight 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,-442 = "Arabian Standard Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\22\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\22\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.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\22\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\22\52C64B7E\@tzres.dll,-2062 = "North Korea Standard 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" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4224 powershell.exe 4224 powershell.exe 1404 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 1404 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 1532 powershell.exe 1532 powershell.exe 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 3760 powershell.exe 3760 powershell.exe 2396 powershell.exe 2396 powershell.exe 904 powershell.exe 904 powershell.exe 760 powershell.exe 760 powershell.exe 2432 powershell.exe 2432 powershell.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 2588 csrss.exe 2588 csrss.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 2588 csrss.exe 2588 csrss.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 2588 csrss.exe 2588 csrss.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4224 powershell.exe Token: SeDebugPrivilege 1404 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Token: SeImpersonatePrivilege 1404 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe Token: SeDebugPrivilege 1532 powershell.exe Token: SeDebugPrivilege 3760 powershell.exe Token: SeDebugPrivilege 2396 powershell.exe Token: SeDebugPrivilege 904 powershell.exe Token: SeDebugPrivilege 760 powershell.exe Token: SeDebugPrivilege 2432 powershell.exe Token: SeSystemEnvironmentPrivilege 2588 csrss.exe Token: SeSecurityPrivilege 716 sc.exe Token: SeSecurityPrivilege 716 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1404 wrote to memory of 4224 1404 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 90 PID 1404 wrote to memory of 4224 1404 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 90 PID 1404 wrote to memory of 4224 1404 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 90 PID 3484 wrote to memory of 1532 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 103 PID 3484 wrote to memory of 1532 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 103 PID 3484 wrote to memory of 1532 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 103 PID 3484 wrote to memory of 3364 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 105 PID 3484 wrote to memory of 3364 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 105 PID 3364 wrote to memory of 3580 3364 cmd.exe 107 PID 3364 wrote to memory of 3580 3364 cmd.exe 107 PID 3484 wrote to memory of 3760 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 109 PID 3484 wrote to memory of 3760 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 109 PID 3484 wrote to memory of 3760 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 109 PID 3484 wrote to memory of 2396 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 111 PID 3484 wrote to memory of 2396 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 111 PID 3484 wrote to memory of 2396 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 111 PID 3484 wrote to memory of 2588 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 113 PID 3484 wrote to memory of 2588 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 113 PID 3484 wrote to memory of 2588 3484 db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe 113 PID 2588 wrote to memory of 904 2588 csrss.exe 114 PID 2588 wrote to memory of 904 2588 csrss.exe 114 PID 2588 wrote to memory of 904 2588 csrss.exe 114 PID 2588 wrote to memory of 760 2588 csrss.exe 120 PID 2588 wrote to memory of 760 2588 csrss.exe 120 PID 2588 wrote to memory of 760 2588 csrss.exe 120 PID 2588 wrote to memory of 2432 2588 csrss.exe 122 PID 2588 wrote to memory of 2432 2588 csrss.exe 122 PID 2588 wrote to memory of 2432 2588 csrss.exe 122 PID 2588 wrote to memory of 440 2588 csrss.exe 124 PID 2588 wrote to memory of 440 2588 csrss.exe 124 PID 4656 wrote to memory of 1524 4656 windefender.exe 130 PID 4656 wrote to memory of 1524 4656 windefender.exe 130 PID 4656 wrote to memory of 1524 4656 windefender.exe 130 PID 1524 wrote to memory of 716 1524 cmd.exe 131 PID 1524 wrote to memory of 716 1524 cmd.exe 131 PID 1524 wrote to memory of 716 1524 cmd.exe 131 -
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\db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe"C:\Users\Admin\AppData\Local\Temp\db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1404 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4224
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C:\Users\Admin\AppData\Local\Temp\db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.exe"C:\Users\Admin\AppData\Local\Temp\db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1.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:3484 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1532
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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:3364 -
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:3580
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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:3760
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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:2396
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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:2588 -
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:904
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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:4104
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3020
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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:760
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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:2432
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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:440
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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:3280
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4656 -
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:1524 -
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:716
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 7682⤵
- Program crash
PID:4464
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1404 -ip 14041⤵PID:4128
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3740
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
MD56573417976b952ff5ace54bc76b41353
SHA14269650ba852c79a6add86f25637fe5c99c9c573
SHA2566fb38908e43f64a28206fd7dc4c9f2026f3a81a0c032545b6a84c440dbc79847
SHA512b31fc8cf442c39291c74a3e06e71ed6358218376d830f7f1212b9d76a02377bb96812c86704fe7a771ae69ee56ce0f73d7d9fad58e38daddd7790acf8e7f93d3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b4fa4417ddceefd528c0f6b50fcaef4c
SHA1a1739cd2d8478c2801e2178cff887cc3b663a25d
SHA25639d147098eefcad616fed37db3e3edec6b1f798ba05dfdb09040bb9e8efe59a0
SHA5120b3f3b38eb63c5b1a54973facdfaeedf12d6a9322704087aaa6ee68ea5d5f36ac316302e41f8cfb721de996490c7fc0f0657ac1ebd686037318ebaf95a2098cd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57ef014884f0ae7264f35f4f943e11b63
SHA1967c9df2e830cdf6d95a68387127c3fbdcea9bf1
SHA25691d020b03ccf22474be310c469c66a82e924aeaafd3b1678b932e02d5ab0f4af
SHA51266775040fdf209c9f38309d80220426578b4240d53cf5ac5575ba541f47fff554c4fef734cc44b2e9e968b6bc96ce55789d72d2ae2131d45fd8434cd063a4d11
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b4b92a773415ddae1368801abb3efb6e
SHA1ce537108af5be9bc79bf32b4a0bad973490bca31
SHA2561a1bbfcf9e7a8bfacebf2f4564e5fb03ae885e910b0328c89a4973ef30b203b8
SHA51256182516d7217d722999c6504c5337a7d45cacbf85775989fbc0dedf698d1a5e2f5707525bde66903ff4352541c38bb1e9fc1303523c90cfb574d23b5a2cda06
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dd164249ab77094998f4ef25c7808142
SHA1daf4aa5d71b8dbdca243d2c4cfa49919b1576b6c
SHA256666a8ebbe0f5663c17fd057698fc0e47feac47de922a9faf3933355e6a5089cd
SHA512380695d54aa8d9b71f7b9782adda681a70569d056096553c47ec532e3a41d400465f571a1dfcefcdeeb388733ecb39c65f214a80dceece67f48e304bc7e1b7c7
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Filesize
4.2MB
MD50e4bbd7e4994d5673fa4bff0c35d34b4
SHA124eb48964d2e2b03002e9767a288fd52bbb8a7b0
SHA256db426a4982d5b3de051de8f3ceeef101db1aee2b1d93ed2a1b565b4493b222a1
SHA512fde273456ebfb59b913e3019ec03b1549fc8fd9f6de9f7400d408caada1e44a19b91cbbbf13606658f9e7ddc2d4c7f5fe306fa01f45465cda508fc547be4b494
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec