Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 22:48
Static task
static1
Behavioral task
behavioral1
Sample
9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe
Resource
win10v2004-20240412-en
General
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Target
9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe
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Size
4.2MB
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MD5
d398a1c04a71930d55f658d91df62231
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SHA1
cf352b452571a5f50cd2e65c97a0824f89ac6276
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SHA256
9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74
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SHA512
a3fe05c5dabd3d26532c232062281f38b6965615ed5914310ebdb3ccd72aa2693bd4ed7dfd6bea3bb34a2db0016830edc2b7329aa2f0437e25574f3c2cf6d763
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SSDEEP
98304:f/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfG9:XdVQtLoTZDg5GO9BqlcV
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/4764-2-0x0000000004180000-0x0000000004A6B000-memory.dmp family_glupteba behavioral1/memory/4764-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4764-53-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4764-55-0x0000000004180000-0x0000000004A6B000-memory.dmp family_glupteba behavioral1/memory/4596-57-0x0000000003F00000-0x00000000047EB000-memory.dmp family_glupteba behavioral1/memory/4596-58-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4596-107-0x00000000039F0000-0x0000000003DF4000-memory.dmp family_glupteba behavioral1/memory/736-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/736-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/736-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/736-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/736-279-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/736-281-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/736-283-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/736-285-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/736-287-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/736-289-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3196 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 736 csrss.exe 3652 injector.exe 4616 windefender.exe 4924 windefender.exe -
resource yara_rule behavioral1/files/0x000500000001db03-261.dat upx behavioral1/memory/4616-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4924-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4924-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\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 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe File created C:\Windows\rss\csrss.exe 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1628 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2432 4596 WerFault.exe 94 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4600 schtasks.exe 4108 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4000 powershell.exe 4000 powershell.exe 4764 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 4764 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 5008 powershell.exe 5008 powershell.exe 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 3400 powershell.exe 3400 powershell.exe 3400 powershell.exe 3012 powershell.exe 3012 powershell.exe 3012 powershell.exe 3876 powershell.exe 3876 powershell.exe 3876 powershell.exe 2860 powershell.exe 2860 powershell.exe 2860 powershell.exe 2392 powershell.exe 2392 powershell.exe 2392 powershell.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 736 csrss.exe 736 csrss.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 736 csrss.exe 736 csrss.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 736 csrss.exe 736 csrss.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe 3652 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4000 powershell.exe Token: SeDebugPrivilege 4764 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Token: SeImpersonatePrivilege 4764 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe Token: SeDebugPrivilege 5008 powershell.exe Token: SeDebugPrivilege 3400 powershell.exe Token: SeDebugPrivilege 3012 powershell.exe Token: SeDebugPrivilege 3876 powershell.exe Token: SeDebugPrivilege 2860 powershell.exe Token: SeDebugPrivilege 2392 powershell.exe Token: SeSystemEnvironmentPrivilege 736 csrss.exe Token: SeSecurityPrivilege 1628 sc.exe Token: SeSecurityPrivilege 1628 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4764 wrote to memory of 4000 4764 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 89 PID 4764 wrote to memory of 4000 4764 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 89 PID 4764 wrote to memory of 4000 4764 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 89 PID 4596 wrote to memory of 5008 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 95 PID 4596 wrote to memory of 5008 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 95 PID 4596 wrote to memory of 5008 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 95 PID 4596 wrote to memory of 2148 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 97 PID 4596 wrote to memory of 2148 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 97 PID 2148 wrote to memory of 3196 2148 cmd.exe 99 PID 2148 wrote to memory of 3196 2148 cmd.exe 99 PID 4596 wrote to memory of 3400 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 100 PID 4596 wrote to memory of 3400 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 100 PID 4596 wrote to memory of 3400 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 100 PID 4596 wrote to memory of 3012 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 105 PID 4596 wrote to memory of 3012 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 105 PID 4596 wrote to memory of 3012 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 105 PID 4596 wrote to memory of 736 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 107 PID 4596 wrote to memory of 736 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 107 PID 4596 wrote to memory of 736 4596 9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe 107 PID 736 wrote to memory of 3876 736 csrss.exe 134 PID 736 wrote to memory of 3876 736 csrss.exe 134 PID 736 wrote to memory of 3876 736 csrss.exe 134 PID 736 wrote to memory of 2860 736 csrss.exe 118 PID 736 wrote to memory of 2860 736 csrss.exe 118 PID 736 wrote to memory of 2860 736 csrss.exe 118 PID 736 wrote to memory of 2392 736 csrss.exe 120 PID 736 wrote to memory of 2392 736 csrss.exe 120 PID 736 wrote to memory of 2392 736 csrss.exe 120 PID 736 wrote to memory of 3652 736 csrss.exe 123 PID 736 wrote to memory of 3652 736 csrss.exe 123 PID 4616 wrote to memory of 1980 4616 windefender.exe 129 PID 4616 wrote to memory of 1980 4616 windefender.exe 129 PID 4616 wrote to memory of 1980 4616 windefender.exe 129 PID 1980 wrote to memory of 1628 1980 cmd.exe 130 PID 1980 wrote to memory of 1628 1980 cmd.exe 130 PID 1980 wrote to memory of 1628 1980 cmd.exe 130 -
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\9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe"C:\Users\Admin\AppData\Local\Temp\9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4764 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4000
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C:\Users\Admin\AppData\Local\Temp\9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.exe"C:\Users\Admin\AppData\Local\Temp\9081398a990fb75a2403e4f0505ff43af449b583ca475437e5df96133e14ee74.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:4596 -
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:5008
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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:2148 -
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:3196
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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:3400
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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:3012
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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:736 -
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:3876
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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:4600
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3404
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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:2860
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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:2392
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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:3652
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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:4108
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4616 -
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:1980 -
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:1628
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 8843⤵
- Program crash
PID:2432
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4596 -ip 45961⤵PID:3700
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4924
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:3876
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
MD586b30c7f096ac43fe9fc9429b90435e2
SHA1da06437d8518390556998f340598f22761104d63
SHA256406f978068b7a565e18b12ac28ec5f825f4434c0639b0c4d1196b4b38b9771d8
SHA512dd3360252d4ef5c20fa9bc98a849f8f8e869d1b8d667f8bc52fcfb802d3f2bab7c62b9a2a6718957e9966c455b17ade8796c440675aa7bcb6988e7d63726e5ba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD557998ae6b794e07760183584f9893c7a
SHA1ee4570b9dc58634f3bcf4186cd4e508855502f1c
SHA256cfc886e496d47a1e70d00773933bc5700ed2d283612d7cc63eb2d545e5a03b68
SHA512d8cb3a55ad5849f7e155b9384c179bc0cf071b8ec0db1a316d60be0619f6d54dbde73ae5f81873feeec690f7ccaa8d67239b3a02bf83f5d04d03db4755231e6c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5da345a85c9e5c70832a102bdc7b7e07b
SHA10306092c321141cce7c28f39c5075ae66b821f59
SHA2560d09139e8f48729ebd87a9e847a1d027cfd04a80c76fdf42a664a9f49aed4321
SHA512217cee025acd88ec3c569be19fa37697e4bbccbc3359cada902c9b12acc64dfaf393941972e69f83f50ce9f0515133911f90e779ffda2d70c2a1f8c69b7d8a4f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e9913bd00457e8b6c6f9fb653d4b3f76
SHA1741648aa9f1f563ab83964e0dd620b34bb97a577
SHA25649c524e111e2c59b61ef8cf170eb4892cce70a866aaeefde844c22de69f6e765
SHA512d550625767b473a22834f0aa0c8bfbda88fb53d155991beb9e19be6d2d8406283332dff714455ee82fce5cdc1b4971c38d57ba55446c5eef4a551436e4210e82
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5110005dce7e09227bf89e97cfa84d729
SHA166270237a94cc2e9581a2bba3effa3782a236eae
SHA256ece2c5ea8b32a74e0fa0dd6e8b59cec50f14e0593159dceaffd75c16c0ea2c1d
SHA51228dec1f61e821f502ce8cd9ed59a9c2ca24e80ab11f3f10dd8b3a5c9d95ec6ff352cd2df595de73d25d265543ec52200fdc2a1d3f474bd353703f15f223c1d23
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Filesize
2.1MB
MD5c7a30c38439fa18f6335430d8e2de579
SHA10f4241489628f41340794e7bafa9627b81d7f9a8
SHA25611cdc21365e9d4470579bac3cf58eeca2c5db1ee70207290474d6d3653b16c92
SHA51234c999eb7f06fae42aed46d6d7fe644efa493efba5129d5889df38ab07f6c7345b04f5041d78f8786d2b6a808cd4ef47db4afaea131fe8d757807096460d1ff6
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Filesize
2.1MB
MD54f6e799817cbe726c26337fe3703c1ab
SHA120fe7ed6c17adb375ae4c847d2a262f8b0edb439
SHA256b1cf3a1a2271fc6f2f3b29c953ce6a7faaea94fa949a2c393e1a4b8602d81b4d
SHA512ebaf7002e58209ad45d0f524753bdbb8cb83ff2f1037e4371355e3c5feb4ef1b811cf7d9d244630e068b10ee07dfd11eeb842fb9033d7bc6fe1a1ec2852230be
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec