Analysis
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max time kernel
149s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:15
Static task
static1
Behavioral task
behavioral1
Sample
2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe
Resource
win10v2004-20240426-en
General
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Target
2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe
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Size
4.1MB
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MD5
52230c6c19b1b2937d857d24605dfe04
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SHA1
38b14c797560faf68c40b4284240208bab9ef0f1
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SHA256
2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994
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SHA512
b7f905bbecb50095f52d0ee8d32906b800c7674b72220679602a859589eeb329d4ba57b242eb5797bccacdc1b0443ebafda27ae3db1b218235c665ff62570706
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SSDEEP
98304:dH+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2l:dH+PiSfw6Rz4ejOEAZ44S5J5ww2l
Malware Config
Signatures
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Glupteba payload 15 IoCs
Processes:
resource yara_rule behavioral1/memory/1372-2-0x00000000044B0000-0x0000000004D9B000-memory.dmp family_glupteba behavioral1/memory/1372-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3608-220-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3608-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3608-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3608-233-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3608-235-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3608-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3608-239-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3608-241-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3608-243-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3608-245-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3608-247-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3608-249-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3608-251-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1564 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3608 csrss.exe 5040 injector.exe 3488 windefender.exe 1912 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x000800000002342e-224.dat upx behavioral1/memory/3488-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3488-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1912-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1912-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1912-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1912-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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:
2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe -
Drops file in Windows directory 4 IoCs
Processes:
2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe File created C:\Windows\rss\csrss.exe 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.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.
Processes:
sc.exepid Process 636 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3084 powershell.exe 4412 powershell.exe 1968 powershell.exe 2672 powershell.exe 1948 powershell.exe 2352 powershell.exe 4128 powershell.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 2216 1372 WerFault.exe 81 3636 4436 WerFault.exe 94 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 4404 schtasks.exe 872 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight 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,-692 = "Tasmania Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "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,-41 = "E. South America Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.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\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exepowershell.exe2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1948 powershell.exe 1948 powershell.exe 1372 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 1372 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 2352 powershell.exe 2352 powershell.exe 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4128 powershell.exe 4128 powershell.exe 3084 powershell.exe 3084 powershell.exe 3084 powershell.exe 4412 powershell.exe 4412 powershell.exe 4412 powershell.exe 1968 powershell.exe 1968 powershell.exe 1968 powershell.exe 2672 powershell.exe 2672 powershell.exe 2672 powershell.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 3608 csrss.exe 3608 csrss.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 3608 csrss.exe 3608 csrss.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 3608 csrss.exe 3608 csrss.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe 5040 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1948 powershell.exe Token: SeDebugPrivilege 1372 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Token: SeImpersonatePrivilege 1372 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Token: SeDebugPrivilege 2352 powershell.exe Token: SeDebugPrivilege 4128 powershell.exe Token: SeDebugPrivilege 3084 powershell.exe Token: SeDebugPrivilege 4412 powershell.exe Token: SeDebugPrivilege 1968 powershell.exe Token: SeDebugPrivilege 2672 powershell.exe Token: SeSystemEnvironmentPrivilege 3608 csrss.exe Token: SeSecurityPrivilege 636 sc.exe Token: SeSecurityPrivilege 636 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1372 wrote to memory of 1948 1372 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 87 PID 1372 wrote to memory of 1948 1372 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 87 PID 1372 wrote to memory of 1948 1372 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 87 PID 4436 wrote to memory of 2352 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 120 PID 4436 wrote to memory of 2352 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 120 PID 4436 wrote to memory of 2352 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 120 PID 4436 wrote to memory of 4276 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 103 PID 4436 wrote to memory of 4276 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 103 PID 4276 wrote to memory of 1564 4276 cmd.exe 105 PID 4276 wrote to memory of 1564 4276 cmd.exe 105 PID 4436 wrote to memory of 4128 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 106 PID 4436 wrote to memory of 4128 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 106 PID 4436 wrote to memory of 4128 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 106 PID 4436 wrote to memory of 3084 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 110 PID 4436 wrote to memory of 3084 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 110 PID 4436 wrote to memory of 3084 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 110 PID 4436 wrote to memory of 3608 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 112 PID 4436 wrote to memory of 3608 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 112 PID 4436 wrote to memory of 3608 4436 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 112 PID 3608 wrote to memory of 4412 3608 csrss.exe 115 PID 3608 wrote to memory of 4412 3608 csrss.exe 115 PID 3608 wrote to memory of 4412 3608 csrss.exe 115 PID 3608 wrote to memory of 1968 3608 csrss.exe 121 PID 3608 wrote to memory of 1968 3608 csrss.exe 121 PID 3608 wrote to memory of 1968 3608 csrss.exe 121 PID 3608 wrote to memory of 2672 3608 csrss.exe 123 PID 3608 wrote to memory of 2672 3608 csrss.exe 123 PID 3608 wrote to memory of 2672 3608 csrss.exe 123 PID 3608 wrote to memory of 5040 3608 csrss.exe 125 PID 3608 wrote to memory of 5040 3608 csrss.exe 125 PID 3488 wrote to memory of 5024 3488 windefender.exe 131 PID 3488 wrote to memory of 5024 3488 windefender.exe 131 PID 3488 wrote to memory of 5024 3488 windefender.exe 131 PID 5024 wrote to memory of 636 5024 cmd.exe 132 PID 5024 wrote to memory of 636 5024 cmd.exe 132 PID 5024 wrote to memory of 636 5024 cmd.exe 132 -
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\2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe"C:\Users\Admin\AppData\Local\Temp\2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1372 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1948
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C:\Users\Admin\AppData\Local\Temp\2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe"C:\Users\Admin\AppData\Local\Temp\2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.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:4436 -
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:2352
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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:4276 -
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:1564
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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:4128
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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:3084
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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:3608 -
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:4412
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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:872
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4900
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C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:2352
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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:1968
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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:2672
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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:5040
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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:4404
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3488 -
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:5024 -
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:636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4436 -s 8563⤵
- Program crash
PID:3636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 9042⤵
- Program crash
PID:2216
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1372 -ip 13721⤵PID:440
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4436 -ip 44361⤵PID:4108
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1912
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f72ce97464b84ccc592db7ba36282dbe
SHA1b7b64ab6c1f84b24bf0e7d2cbb79961a16d56ccf
SHA256d0b66d38f5ba7c8c20d83ff413824e59c3254029aa8f42f67265b2d05c1c3b72
SHA5122d9cddfe16002ea5187d0b1346750902b50a02108bce3f1e8efe2a3c1eb444da83d5eed4092f954abaea9b45def4d0539875c9bc1ae44c52cabea4c3bbb44bb1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59f9b268f9d56ccb50b62155b8cff9e08
SHA1309652627934bf22de211a80821c5a6190713bf1
SHA256531439607348f82e3841f8b35d90b32cb5f9717a72c0cabacbbf6fb1c46bfa32
SHA512bf4033269dc86ca81e74c200f0cb3f5b86d26f4558013610193d8af85d750308d2a15265f28041e7036a1b5067f3d3b3b88198a1351215e220c747d71236fe76
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD577d64fa4bd2c59e941de0c2bcb6a2053
SHA12168faaa82742dd4ba76c70c68866eb37cc20bb5
SHA256d0d89df4d27e699927deccbfe48bea0238252a4ded9fe861988d39b19cdacc5d
SHA512430c7fad2f2a43125a95b0a83e67ba4279158c23d59e0eaa71f1de87c921ba773c6e69c7bfca6956ccacab6ba5665765366c0d332b3b4d8740a88ed9af8e46e9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e8adf6f85a753baa2ef0208609e8a1af
SHA192b7705d4464f77754500647c400936bc22fd9c5
SHA256f359b29c82ac0457122c40c8b1b94d9337d80b77c277dadefdbe47a7084e3ced
SHA512ddda858e21d4ab0e07cf22d5510e2718cc04b988a9cfff5b2a5c48914fb23dec822edf4154c7e7c468f49c305dfee80a56740786560219e7ecca8c07699b70da
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ffa3d8cb334633a4d6a372037c4c8bb6
SHA13a0c8b1334f0c2a50f517fabc6a99f9cc1ec482f
SHA256d1f91f52f42f329045cb1457286ce832a187e65801e38928558536db5893b927
SHA5122dd81adefaf3740507009c024223fdb89ed66b875926604d8bf1b569d3b51192ea3dedd27de16085ed03d18b399d73778a11875b4703a23c0f1f91652d407252
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Filesize
4.1MB
MD552230c6c19b1b2937d857d24605dfe04
SHA138b14c797560faf68c40b4284240208bab9ef0f1
SHA2562e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994
SHA512b7f905bbecb50095f52d0ee8d32906b800c7674b72220679602a859589eeb329d4ba57b242eb5797bccacdc1b0443ebafda27ae3db1b218235c665ff62570706
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec