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Analysis
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max time kernel
150s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
05/05/2024, 06:07
Static task
static1
Behavioral task
behavioral1
Sample
11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe
Resource
win10v2004-20240419-en
General
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Target
11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe
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Size
4.2MB
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MD5
bcc280b9442df7433a647b0cb7a334de
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SHA1
519cf79976d883e7a946cdcd140c526d3d8fc596
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SHA256
11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6
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SHA512
425211a74dd4bdec6e18ae7793f7618e25be965650dd1f16cadb2097e7e6c5cffa8bbd7c464f40057ccb5c563b387ff543e7801d8b08bc2040ca5d481ce33a08
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SSDEEP
98304:fstUJNd0eCuGr1RCENsrJ+LrHKLdeQrZD+4Ywu:fsKd0QGBRCENsYHK/rZOT
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1348-2-0x0000000005080000-0x000000000596B000-memory.dmp family_glupteba behavioral1/memory/1348-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1348-4-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/1348-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1348-58-0x0000000005080000-0x000000000596B000-memory.dmp family_glupteba behavioral1/memory/1348-55-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/4104-83-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/4104-139-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/4840-164-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/4840-224-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/4840-235-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/4840-238-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/4840-241-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/4840-244-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/4840-247-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/4840-250-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/4840-252-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/4840-256-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral1/memory/4840-259-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4384 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4840 csrss.exe 4512 injector.exe 2192 windefender.exe 4192 windefender.exe -
resource yara_rule behavioral1/files/0x000b000000023baf-228.dat upx behavioral1/memory/2192-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4192-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2192-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4192-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4192-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Set value (str) \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created 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 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe File created C:\Windows\rss\csrss.exe 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.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 1956 sc.exe -
pid Process 4996 powershell.exe 2040 powershell.exe 5072 powershell.exe 2024 powershell.exe 2840 powershell.exe 3740 powershell.exe 4568 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4928 schtasks.exe 4424 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\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\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2840 powershell.exe 2840 powershell.exe 1348 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 1348 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 3740 powershell.exe 3740 powershell.exe 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 4568 powershell.exe 4568 powershell.exe 4996 powershell.exe 4996 powershell.exe 2040 powershell.exe 2040 powershell.exe 5072 powershell.exe 5072 powershell.exe 2024 powershell.exe 2024 powershell.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4840 csrss.exe 4840 csrss.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4840 csrss.exe 4840 csrss.exe 4512 injector.exe 4512 injector.exe 4840 csrss.exe 4840 csrss.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe 4512 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2840 powershell.exe Token: SeDebugPrivilege 1348 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Token: SeImpersonatePrivilege 1348 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Token: SeDebugPrivilege 3740 powershell.exe Token: SeDebugPrivilege 4568 powershell.exe Token: SeDebugPrivilege 4996 powershell.exe Token: SeDebugPrivilege 2040 powershell.exe Token: SeDebugPrivilege 5072 powershell.exe Token: SeDebugPrivilege 2024 powershell.exe Token: SeSystemEnvironmentPrivilege 4840 csrss.exe Token: SeSecurityPrivilege 1956 sc.exe Token: SeSecurityPrivilege 1956 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1348 wrote to memory of 2840 1348 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 95 PID 1348 wrote to memory of 2840 1348 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 95 PID 1348 wrote to memory of 2840 1348 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 95 PID 4104 wrote to memory of 3740 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 101 PID 4104 wrote to memory of 3740 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 101 PID 4104 wrote to memory of 3740 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 101 PID 4104 wrote to memory of 3688 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 104 PID 4104 wrote to memory of 3688 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 104 PID 3688 wrote to memory of 4384 3688 cmd.exe 106 PID 3688 wrote to memory of 4384 3688 cmd.exe 106 PID 4104 wrote to memory of 4568 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 107 PID 4104 wrote to memory of 4568 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 107 PID 4104 wrote to memory of 4568 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 107 PID 4104 wrote to memory of 4996 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 109 PID 4104 wrote to memory of 4996 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 109 PID 4104 wrote to memory of 4996 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 109 PID 4104 wrote to memory of 4840 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 112 PID 4104 wrote to memory of 4840 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 112 PID 4104 wrote to memory of 4840 4104 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 112 PID 4840 wrote to memory of 2040 4840 csrss.exe 113 PID 4840 wrote to memory of 2040 4840 csrss.exe 113 PID 4840 wrote to memory of 2040 4840 csrss.exe 113 PID 4840 wrote to memory of 5072 4840 csrss.exe 118 PID 4840 wrote to memory of 5072 4840 csrss.exe 118 PID 4840 wrote to memory of 5072 4840 csrss.exe 118 PID 4840 wrote to memory of 2024 4840 csrss.exe 121 PID 4840 wrote to memory of 2024 4840 csrss.exe 121 PID 4840 wrote to memory of 2024 4840 csrss.exe 121 PID 4840 wrote to memory of 4512 4840 csrss.exe 123 PID 4840 wrote to memory of 4512 4840 csrss.exe 123 PID 2192 wrote to memory of 1728 2192 windefender.exe 129 PID 2192 wrote to memory of 1728 2192 windefender.exe 129 PID 2192 wrote to memory of 1728 2192 windefender.exe 129 PID 1728 wrote to memory of 1956 1728 cmd.exe 130 PID 1728 wrote to memory of 1956 1728 cmd.exe 130 PID 1728 wrote to memory of 1956 1728 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\11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe"C:\Users\Admin\AppData\Local\Temp\11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1348 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2840
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C:\Users\Admin\AppData\Local\Temp\11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe"C:\Users\Admin\AppData\Local\Temp\11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.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:4104 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3740
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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:3688 -
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:4384
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4568
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4996
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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:4840 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2040
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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:4928
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1720
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5072
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2024
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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:4512
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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:4424
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2192 -
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:1728 -
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:1956
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4192
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
MD593b58aa6a66c9e0faac8d25df9d4fbf0
SHA11b07d1918942f4f4d623c8ec7d2c2a5048c82ac3
SHA2561b8fed69cbc8c7c49ebbc621831c9f653e8dbcfe491e64c84f96c8a33ac6645b
SHA512b54de1587f9decca40d7012447bbca8e9bf739a12df424bd1e1319e8372290679a2e6c1fce8449e8500a4c6f29adc8773ed5c806cd121614170098ad7236fb43
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52553c284a96e54787f68b4484fd8272c
SHA1537ff6322f876ddf58fe824ce0e1046469c7fee9
SHA256b79235d7b39ae84c01e3925376755ef071c212e1e7e756a63dbf81918d553810
SHA5120e9c127b7d26e41d48cdd670dc23beff45902779bf043a2a676bd3a41ce82231025665646a545a52d6713b382fb555772afc8ed0c170c12dc3b088f5a40da66f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56954ef46bd7079732f94dca1d61e5e3d
SHA15fa455767ecedc5485bf6aeab333a3679332c01e
SHA256235df5a6ab8b858d36ea5ce06d27348f3d97fab245ec6ece511f2ee7f0e10dab
SHA51237c3abd9dc483076ef180f516ca2b286d84e025910db1509046f13ca7cea1432965c18cbd5aa18e58bb27a32a80919537deb440ac17ac9d8955bd37fb8d1ef17
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a96fe89b12887e23e93b64e359421fd0
SHA136d080ae91cb316f937919d8f41efe011030e11a
SHA25690cc9a5e28e06e13782643d748646c55f1114c5800d3751488dfefe3346dc38d
SHA512755d7ac0b29a7f503f64acb87f775845fa85c29f996bf784e41ef5616ea23c2b27558263a10c8107da5ca0a5865b964f9e095bd31325115c1dbd1e7e6d52ad6e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c1a0a656ef921f944a81d97b8b11764
SHA16361c73f3f8d14b8013e85c414712ef6ad3d2a59
SHA25617bd8f9a367e89d53bc4a0d97b66b79d37895899998f640795527f5b7f25b63e
SHA51201cbcec9f6677b11056eefc6e16c3c9e2ce24c26bbcbded2d733f96f811ce4d7d4784948cf5626ea745594b8dc7f47c2b99a9f7418398c631ee565c2bc948603
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Filesize
4.2MB
MD5bcc280b9442df7433a647b0cb7a334de
SHA1519cf79976d883e7a946cdcd140c526d3d8fc596
SHA25611c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6
SHA512425211a74dd4bdec6e18ae7793f7618e25be965650dd1f16cadb2097e7e6c5cffa8bbd7c464f40057ccb5c563b387ff543e7801d8b08bc2040ca5d481ce33a08
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec