Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:15
Static task
static1
Behavioral task
behavioral1
Sample
f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe
Resource
win10v2004-20240508-en
General
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Target
f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe
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Size
4.1MB
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MD5
2a6d0d21000c5f8a4aa40028709a6abb
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SHA1
4ece0c32a2405373325e4816090191dfacb14b8d
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SHA256
f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9
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SHA512
ccd553e3007e53a783684b15f55c74d7505a75b8a7b6cc2b20728581c43401c3284957c279fb9eb26cc95ad36db48560e45315698eac2058dd3286c43bc7f804
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SSDEEP
98304:tH+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI27:tH+PiSfw6Rz4ejOEAZ44S5J5ww27
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/1580-2-0x0000000004430000-0x0000000004D1B000-memory.dmp family_glupteba behavioral1/memory/1580-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1580-56-0x0000000004430000-0x0000000004D1B000-memory.dmp family_glupteba behavioral1/memory/1580-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1580-54-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/2448-134-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3396-213-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3396-220-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3396-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3396-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3396-233-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3396-235-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3396-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3396-239-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3396-241-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3396-243-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3396-245-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3396-247-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3396-249-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2028 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3396 csrss.exe 1748 injector.exe 1192 windefender.exe 1688 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0004000000022a48-223.dat upx behavioral1/memory/1192-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1192-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1688-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1688-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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.
Processes:
f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe -
Drops file in Windows directory 4 IoCs
Processes:
f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 2128 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4028 powershell.exe 4844 powershell.exe 4300 powershell.exe 4116 powershell.exe 4164 powershell.exe 1740 powershell.exe 4348 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 4160 schtasks.exe 3288 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.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\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.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\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-104 = "Central Brazilian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.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,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 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\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-271 = "Greenwich Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exef6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exepowershell.exef6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4028 powershell.exe 4028 powershell.exe 4028 powershell.exe 1580 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 1580 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 4844 powershell.exe 4844 powershell.exe 4844 powershell.exe 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 4300 powershell.exe 4300 powershell.exe 4300 powershell.exe 4116 powershell.exe 4116 powershell.exe 4116 powershell.exe 4164 powershell.exe 4164 powershell.exe 4164 powershell.exe 1740 powershell.exe 1740 powershell.exe 1740 powershell.exe 4348 powershell.exe 4348 powershell.exe 4348 powershell.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe 3396 csrss.exe 3396 csrss.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe 3396 csrss.exe 3396 csrss.exe 1748 injector.exe 1748 injector.exe 3396 csrss.exe 3396 csrss.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe 1748 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exef6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4028 powershell.exe Token: SeDebugPrivilege 1580 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Token: SeImpersonatePrivilege 1580 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe Token: SeDebugPrivilege 4844 powershell.exe Token: SeDebugPrivilege 4300 powershell.exe Token: SeDebugPrivilege 4116 powershell.exe Token: SeDebugPrivilege 4164 powershell.exe Token: SeDebugPrivilege 1740 powershell.exe Token: SeDebugPrivilege 4348 powershell.exe Token: SeSystemEnvironmentPrivilege 3396 csrss.exe Token: SeSecurityPrivilege 2128 sc.exe Token: SeSecurityPrivilege 2128 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exef6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1580 wrote to memory of 4028 1580 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 94 PID 1580 wrote to memory of 4028 1580 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 94 PID 1580 wrote to memory of 4028 1580 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 94 PID 2448 wrote to memory of 4844 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 108 PID 2448 wrote to memory of 4844 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 108 PID 2448 wrote to memory of 4844 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 108 PID 2448 wrote to memory of 3232 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 112 PID 2448 wrote to memory of 3232 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 112 PID 3232 wrote to memory of 2028 3232 cmd.exe 114 PID 3232 wrote to memory of 2028 3232 cmd.exe 114 PID 2448 wrote to memory of 4300 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 115 PID 2448 wrote to memory of 4300 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 115 PID 2448 wrote to memory of 4300 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 115 PID 2448 wrote to memory of 4116 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 117 PID 2448 wrote to memory of 4116 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 117 PID 2448 wrote to memory of 4116 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 117 PID 2448 wrote to memory of 3396 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 119 PID 2448 wrote to memory of 3396 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 119 PID 2448 wrote to memory of 3396 2448 f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe 119 PID 3396 wrote to memory of 4164 3396 csrss.exe 120 PID 3396 wrote to memory of 4164 3396 csrss.exe 120 PID 3396 wrote to memory of 4164 3396 csrss.exe 120 PID 3396 wrote to memory of 1740 3396 csrss.exe 126 PID 3396 wrote to memory of 1740 3396 csrss.exe 126 PID 3396 wrote to memory of 1740 3396 csrss.exe 126 PID 3396 wrote to memory of 4348 3396 csrss.exe 128 PID 3396 wrote to memory of 4348 3396 csrss.exe 128 PID 3396 wrote to memory of 4348 3396 csrss.exe 128 PID 3396 wrote to memory of 1748 3396 csrss.exe 131 PID 3396 wrote to memory of 1748 3396 csrss.exe 131 PID 1192 wrote to memory of 4172 1192 windefender.exe 138 PID 1192 wrote to memory of 4172 1192 windefender.exe 138 PID 1192 wrote to memory of 4172 1192 windefender.exe 138 PID 4172 wrote to memory of 2128 4172 cmd.exe 139 PID 4172 wrote to memory of 2128 4172 cmd.exe 139 PID 4172 wrote to memory of 2128 4172 cmd.exe 139 -
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\f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe"C:\Users\Admin\AppData\Local\Temp\f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4028
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C:\Users\Admin\AppData\Local\Temp\f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.exe"C:\Users\Admin\AppData\Local\Temp\f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9.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:2448 -
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:4844
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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:3232 -
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:2028
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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:4300
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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:4116
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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:3396 -
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:4164
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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:4160
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1200
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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:1740
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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:4348
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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:1748
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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:3288
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1192 -
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:4172 -
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:2128
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4200,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4268 /prefetch:81⤵PID:1140
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1688
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
MD5bb5668be1a234afa0606aa0221e89204
SHA1ce5d0433104675a9a9a727557bbe9472a5f42a12
SHA256db4c9be12c23362208f7ac67a655e67d74db467a040bb0a37c6739396710f97d
SHA51294c55fb6b6faef638d7cb7859850bb1e0efec6f4bb9a80ca257372a96bf186c8a982454e96c96c71c6453aafb88562c7a1d9e58e936ee7f991c87058ffe7923e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5af0367a0e745744be036b4e55fa4d37c
SHA143f7e0101caa63c4b664eb8060006482368c5923
SHA256a48d87faedb70eb4a7bbe1f5a25f28f7021bc328eb84980a14df1ffd8aad6f71
SHA512a11641c075fc113bfab1f193570a3a567dcfcff923d38f71e299b467f86a539d9b1f0f97c3cf63cb0fda3b22e3e1b6195fe9aef1ec21672c5c0a5032fcc54207
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD587f5ee5d6ecc72277ff236bcf1fc9dd3
SHA1f79779e6252836f985de2debb5ff1b31fa0e93bc
SHA2561c9375a6e4a38df28f0968d4c77b5d61d5f5244e90fa4f88bd7b2d83a7f0e410
SHA5121e0af68381412b96f193c459be05e7646c7c290999c0bcfeb07db5b0d65985d879798878cdf7be25a572f321f0226ba3f87704e1649c448c526e8974ec8d22ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c5e1f9523aa77753b7cda43fa8e135a4
SHA1fe95f226e2b6d1c6cd8131d040d74444f74402d4
SHA256bca4c19d3b600fddd182f74122e97ac554484c37a4eb1f2b70979f861375a418
SHA512f1ae163868aa90ece80dbeda393ed534cc13e32fa9e3e5e4aba5340996b7aba3f040a22452a0be904e0b35008d86cf7bfbe9988c52b5783861fb611b8caf45ae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54a2ed4324e775664c5cf23c72792e096
SHA1623cf5b58e48cba8fbd454385fa3a44ea19b35cf
SHA256f87efc51737c343276c0cf196510678449789763a07d69559f59a288127236a0
SHA512b6fa0ffcd63475a30dce91a447e01b3e024f8bdb9d9ced17a1fe44a69c2c0a6629429607ce348ecaf117c7ee0eb3a6c90a083e9d604c314ff46d579b8fa11b2f
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Filesize
4.1MB
MD52a6d0d21000c5f8a4aa40028709a6abb
SHA14ece0c32a2405373325e4816090191dfacb14b8d
SHA256f6edebe1ae0984b7e1199936b4635e3cfb790204232ea968f2058123f82706d9
SHA512ccd553e3007e53a783684b15f55c74d7505a75b8a7b6cc2b20728581c43401c3284957c279fb9eb26cc95ad36db48560e45315698eac2058dd3286c43bc7f804
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec