Analysis
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max time kernel
149s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 13:03
Static task
static1
Behavioral task
behavioral1
Sample
e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe
Resource
win10v2004-20240508-en
General
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Target
e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe
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Size
4.1MB
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MD5
e983d093db15861e7d2d5f5876b43f6b
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SHA1
5fa55d963d5a6ef190748ac3d6f4496f27e84812
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SHA256
e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a
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SHA512
4c400b07c2e58bc701bb00725e6dfab6dad20acdab355d55dfb0385c6952b9d500d9152c359c841844aa58dc3744f052287b9a5d2dbcc48d50656890e8b0a0a5
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SSDEEP
98304:vhzlfCz+ccJ0CpUiRHjJlGcG1klIkRd3fLKEvm:Zz9CiccJ0CpfGcGG1DfLk
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1396-2-0x0000000004BE0000-0x00000000054CB000-memory.dmp family_glupteba behavioral1/memory/1396-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1396-4-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1396-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1396-59-0x0000000004BE0000-0x00000000054CB000-memory.dmp family_glupteba behavioral1/memory/1396-56-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/864-87-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/864-139-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/444-166-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/444-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/444-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/444-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/444-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/444-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/444-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/444-249-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/444-253-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/444-256-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/444-259-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 440 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 444 csrss.exe 2840 injector.exe 4120 windefender.exe 3112 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023436-228.dat upx behavioral1/memory/4120-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3112-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4120-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3112-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3112-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log 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 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe File created C:\Windows\rss\csrss.exe e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.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 2820 sc.exe -
pid Process 1428 powershell.exe 4540 powershell.exe 1172 powershell.exe 1148 powershell.exe 2912 powershell.exe 3972 powershell.exe 5112 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 1624 schtasks.exe 3592 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight 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\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.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\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.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,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.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,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight 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,-42 = "E. South America Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1428 powershell.exe 1428 powershell.exe 1396 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 1396 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 4540 powershell.exe 4540 powershell.exe 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 1172 powershell.exe 1172 powershell.exe 1148 powershell.exe 1148 powershell.exe 2912 powershell.exe 2912 powershell.exe 3972 powershell.exe 3972 powershell.exe 5112 powershell.exe 5112 powershell.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 444 csrss.exe 444 csrss.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 444 csrss.exe 444 csrss.exe 2840 injector.exe 2840 injector.exe 444 csrss.exe 444 csrss.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe 2840 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1428 powershell.exe Token: SeDebugPrivilege 1396 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Token: SeImpersonatePrivilege 1396 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Token: SeDebugPrivilege 4540 powershell.exe Token: SeDebugPrivilege 1172 powershell.exe Token: SeDebugPrivilege 1148 powershell.exe Token: SeDebugPrivilege 2912 powershell.exe Token: SeDebugPrivilege 3972 powershell.exe Token: SeDebugPrivilege 5112 powershell.exe Token: SeSystemEnvironmentPrivilege 444 csrss.exe Token: SeSecurityPrivilege 2820 sc.exe Token: SeSecurityPrivilege 2820 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1396 wrote to memory of 1428 1396 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 94 PID 1396 wrote to memory of 1428 1396 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 94 PID 1396 wrote to memory of 1428 1396 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 94 PID 864 wrote to memory of 4540 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 99 PID 864 wrote to memory of 4540 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 99 PID 864 wrote to memory of 4540 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 99 PID 864 wrote to memory of 1540 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 101 PID 864 wrote to memory of 1540 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 101 PID 1540 wrote to memory of 440 1540 cmd.exe 103 PID 1540 wrote to memory of 440 1540 cmd.exe 103 PID 864 wrote to memory of 1172 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 104 PID 864 wrote to memory of 1172 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 104 PID 864 wrote to memory of 1172 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 104 PID 864 wrote to memory of 1148 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 107 PID 864 wrote to memory of 1148 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 107 PID 864 wrote to memory of 1148 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 107 PID 864 wrote to memory of 444 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 109 PID 864 wrote to memory of 444 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 109 PID 864 wrote to memory of 444 864 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 109 PID 444 wrote to memory of 2912 444 csrss.exe 111 PID 444 wrote to memory of 2912 444 csrss.exe 111 PID 444 wrote to memory of 2912 444 csrss.exe 111 PID 444 wrote to memory of 3972 444 csrss.exe 116 PID 444 wrote to memory of 3972 444 csrss.exe 116 PID 444 wrote to memory of 3972 444 csrss.exe 116 PID 444 wrote to memory of 5112 444 csrss.exe 119 PID 444 wrote to memory of 5112 444 csrss.exe 119 PID 444 wrote to memory of 5112 444 csrss.exe 119 PID 444 wrote to memory of 2840 444 csrss.exe 121 PID 444 wrote to memory of 2840 444 csrss.exe 121 PID 4120 wrote to memory of 1732 4120 windefender.exe 127 PID 4120 wrote to memory of 1732 4120 windefender.exe 127 PID 4120 wrote to memory of 1732 4120 windefender.exe 127 PID 1732 wrote to memory of 2820 1732 cmd.exe 128 PID 1732 wrote to memory of 2820 1732 cmd.exe 128 PID 1732 wrote to memory of 2820 1732 cmd.exe 128 -
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\e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe"C:\Users\Admin\AppData\Local\Temp\e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1396 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1428
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C:\Users\Admin\AppData\Local\Temp\e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe"C:\Users\Admin\AppData\Local\Temp\e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.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:864 -
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:4540
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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:1540 -
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:440
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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:1172
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1148
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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:444 -
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:2912
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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:1624
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:872
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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:3972
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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:5112
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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:2840
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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:3592
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4120 -
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:1732 -
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:2820
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3112
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
MD58a71dcdae6f79025cf37f092dcea4caa
SHA15d7a08a1f365352b64948aeff229227d5135041a
SHA256097a775e904efed3c4200b1775509159ea508860d6091a141ab57af753a48a29
SHA512d48945cb5d08057d8fc46884097955ffb0209d4c3b9e8e490d095cb2c73a34b5e2d9e7824ac917b639c0cc376c0479ade9cbbd43d7ab37d2b735106c9d6e96a7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b6a4c0b58d0ab3e2b8a55899b67d457e
SHA10d4b1b91116690b481d533ed5042ad7659c91338
SHA2568a298f589273ee77e1f3d4d79571f0925a233357e9ab31a5dc7cb05cc8776f30
SHA512072e735dcd90d5837f24a6886e3162b9bc2ef9146d4abbe09894c052169c1ebfff5101c206b8399c02c18734a103dad5692161645ba953d1fe4943d466fcd3e5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD509f86ce433dbce1104d7fbed6d0ae539
SHA12cd0398eae6a01503797356c821bddc8b8c0301e
SHA256b051ca258e4999a1a80c05cef6514683b3b3bcbad50e805e3e6281138d4461de
SHA512036f4c628def82bcdd6f7d1bd9eb332a35f7362ff931fb7fe5d3b776013ada2017c85dcd836d00105f745a76805de7d9238b6b359ed121b837bb5f793966fdc8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bb02bce0fbf578d40de08fed5262de57
SHA1636b0c4e5d244a64318d5aecfd16da0c536f5496
SHA256a48e4d7648880a414b4ea62c36cedc64fa8ee3e13a1e386f522026c6ea077913
SHA51263cffc4542196d59edb5fed8f5a2997817c38c04fda0a31e43dd4f4d3d0c832fbd74c7f795df7475d2c2e9e83983e8efb3036053280f8a4ee7ac190d2c6f690f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54e299e8770d717cd35d7356857a6d915
SHA15a534909bb864e892519c455b139b47a3d233ecd
SHA256350432adaff070c1370d1b563547ab97698059d7547bf37a983a3c96826e733b
SHA51299ce9d89482e19f3b74d14f4ae47528905d5a4c89d1fc6cd6a67950ef41fa3ad52a781967c3c0929c97d61898df7714b68096dd2b7a62bf52e62533a0fc30b13
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Filesize
4.1MB
MD5e983d093db15861e7d2d5f5876b43f6b
SHA15fa55d963d5a6ef190748ac3d6f4496f27e84812
SHA256e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a
SHA5124c400b07c2e58bc701bb00725e6dfab6dad20acdab355d55dfb0385c6952b9d500d9152c359c841844aa58dc3744f052287b9a5d2dbcc48d50656890e8b0a0a5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec