Analysis
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max time kernel
150s -
max time network
134s -
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 20:37
Static task
static1
Behavioral task
behavioral1
Sample
a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe
Resource
win10v2004-20240508-en
General
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Target
a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe
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Size
4.1MB
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MD5
02d205066637bc4a8e750978239cc59c
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SHA1
331c330b04c3a7caa8b0a4ed44118d9637e99278
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SHA256
a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997
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SHA512
71999994a8ad8319bdf93f24aab45a528ef43bcc464fbe6a0f2f84a841acd34fd5e10b47a109bac3e79ccb791959daff92d4c92e396c605084c6541a65f9bc98
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SSDEEP
98304:D7sgfTqZm7fywQIpjGUn+cmloZHued8miXbTsPufBvNE:DzgmDywQg+foZ8mw6S+
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/1524-2-0x0000000004790000-0x000000000507B000-memory.dmp family_glupteba behavioral1/memory/1524-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1524-81-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1524-106-0x0000000004790000-0x000000000507B000-memory.dmp family_glupteba behavioral1/memory/5116-129-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5116-134-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1524-160-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3168-211-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3168-219-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3168-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3168-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3168-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3168-240-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3168-243-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3168-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3168-248-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3168-252-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3168-255-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3168-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3168-260-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3436 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3168 csrss.exe 2044 injector.exe 3864 windefender.exe 4924 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0007000000023434-222.dat upx behavioral1/memory/3864-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4924-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3864-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4924-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4924-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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:
a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe -
Drops file in Windows directory 4 IoCs
Processes:
a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe File created C:\Windows\rss\csrss.exe a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.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 540 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1780 powershell.exe 1092 powershell.exe 4624 powershell.exe 2012 powershell.exe 384 powershell.exe 5040 powershell.exe 3380 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 2288 schtasks.exe 4852 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exea17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.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\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline 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\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.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,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exea17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exepowershell.exea17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1092 powershell.exe 1092 powershell.exe 1524 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 1524 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 4624 powershell.exe 4624 powershell.exe 4624 powershell.exe 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 2012 powershell.exe 2012 powershell.exe 384 powershell.exe 384 powershell.exe 5040 powershell.exe 5040 powershell.exe 3380 powershell.exe 3380 powershell.exe 1780 powershell.exe 1780 powershell.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 3168 csrss.exe 3168 csrss.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 3168 csrss.exe 3168 csrss.exe 2044 injector.exe 2044 injector.exe 3168 csrss.exe 3168 csrss.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe 2044 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exea17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1092 powershell.exe Token: SeDebugPrivilege 1524 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Token: SeImpersonatePrivilege 1524 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe Token: SeDebugPrivilege 4624 powershell.exe Token: SeDebugPrivilege 2012 powershell.exe Token: SeDebugPrivilege 384 powershell.exe Token: SeDebugPrivilege 5040 powershell.exe Token: SeDebugPrivilege 3380 powershell.exe Token: SeDebugPrivilege 1780 powershell.exe Token: SeSystemEnvironmentPrivilege 3168 csrss.exe Token: SeSecurityPrivilege 540 sc.exe Token: SeSecurityPrivilege 540 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exea17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1524 wrote to memory of 1092 1524 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 86 PID 1524 wrote to memory of 1092 1524 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 86 PID 1524 wrote to memory of 1092 1524 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 86 PID 5116 wrote to memory of 4624 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 97 PID 5116 wrote to memory of 4624 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 97 PID 5116 wrote to memory of 4624 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 97 PID 5116 wrote to memory of 4364 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 101 PID 5116 wrote to memory of 4364 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 101 PID 4364 wrote to memory of 3436 4364 cmd.exe 103 PID 4364 wrote to memory of 3436 4364 cmd.exe 103 PID 5116 wrote to memory of 2012 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 104 PID 5116 wrote to memory of 2012 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 104 PID 5116 wrote to memory of 2012 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 104 PID 5116 wrote to memory of 384 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 107 PID 5116 wrote to memory of 384 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 107 PID 5116 wrote to memory of 384 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 107 PID 5116 wrote to memory of 3168 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 109 PID 5116 wrote to memory of 3168 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 109 PID 5116 wrote to memory of 3168 5116 a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe 109 PID 3168 wrote to memory of 5040 3168 csrss.exe 110 PID 3168 wrote to memory of 5040 3168 csrss.exe 110 PID 3168 wrote to memory of 5040 3168 csrss.exe 110 PID 3168 wrote to memory of 3380 3168 csrss.exe 116 PID 3168 wrote to memory of 3380 3168 csrss.exe 116 PID 3168 wrote to memory of 3380 3168 csrss.exe 116 PID 3168 wrote to memory of 1780 3168 csrss.exe 118 PID 3168 wrote to memory of 1780 3168 csrss.exe 118 PID 3168 wrote to memory of 1780 3168 csrss.exe 118 PID 3168 wrote to memory of 2044 3168 csrss.exe 121 PID 3168 wrote to memory of 2044 3168 csrss.exe 121 PID 3864 wrote to memory of 508 3864 windefender.exe 128 PID 3864 wrote to memory of 508 3864 windefender.exe 128 PID 3864 wrote to memory of 508 3864 windefender.exe 128 PID 508 wrote to memory of 540 508 cmd.exe 129 PID 508 wrote to memory of 540 508 cmd.exe 129 PID 508 wrote to memory of 540 508 cmd.exe 129 -
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\a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe"C:\Users\Admin\AppData\Local\Temp\a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1092
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C:\Users\Admin\AppData\Local\Temp\a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.exe"C:\Users\Admin\AppData\Local\Temp\a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997.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:5116 -
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:4624
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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:4364 -
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:3436
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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:2012
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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:384
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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:3168 -
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: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:4852
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4808
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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:3380
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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:1780
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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:2044
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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:2288
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3864 -
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:508 -
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:540
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4924
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
MD5dba5a0cc0a6e3af088dfe65bd4933acf
SHA19f83c34e0c492cf62b5fabc2a7613b70edd6d07b
SHA2562234b130fd19e65b5b8ee595cb0a7157372b7a5fcef366cb5c0fa805e508b2cd
SHA512699bf050605732409e069f09f6163ac34a821c9515f407612e0dc20dabc6b6f6efac4242bc636119d2be9052ffc2a3d8795e9a6bbb67deae84f86d22abd654e2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD597d41724b3d4de5d44173967e41d3d3f
SHA1090aee67b423c3eeef72fecf1bc2d2842e3d89e6
SHA256a48d8f3b8b629cb673fda27c329e31603f09a6df76f8ee25d3add5ac446cfedf
SHA51204210f6e54f3567e18e4aa7b841441029dcc36862e64d94c6a74665a0f95346b95f7b050389ed49655a1d077b7aba567c4398ace7f3df99f6e468d4ed08796e2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a75d9ffcf9a4f2b53661b377ce72478e
SHA109585a25465522f2bc3edf65a6bb5ce0cfb9fc57
SHA2564442ed83f9ee60d5eb6446c63aced66bb3f1dc79b844e1d034e6ba8359c06b44
SHA512ada4906370fbb56fd83523339467fb0cbd524ebc709ec971c03b424f0014b4a62013ab87767b4c20f1ea1ee3e5c7cd32e949f47107a16e2551eaaf4f1155f2fa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5302e42e9ec68f512e05b9622935c767d
SHA177008d8a2a0290548434e2e8ea290178bba3ab1f
SHA256e76b367a786492fe354b27bab71c232662a2d052feb91efec199c6aacc10535b
SHA5129fa4a6495b25e133b76ce94ad0ecb57fdfe82a7fa5efbfc05bc8cf5b77d8ef59f74f547366a9c310d8d60ea312b155e99f4c4f6fa7a013ec2d804738ce0eda17
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56ac5f0664f79b4ee1d29055d8e6c6da3
SHA1b30c49843d08ff60310944cb87f380fd5cd7b537
SHA25604bcf588bd213e5109f1bb32dcf47d228004a8a941a436a55e02a9febfddf933
SHA512f964da32f7bbec737e817e975cab1d64ce03119e05fef1b5b210718d595cad710684204e17b0ec8d10896b5bfa8de004dd44942af168d48de45ee4b903d9e940
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Filesize
4.1MB
MD502d205066637bc4a8e750978239cc59c
SHA1331c330b04c3a7caa8b0a4ed44118d9637e99278
SHA256a17c95fe37b65986768321d01b2847caa22b2d668d7b12e9aebe4116deced997
SHA51271999994a8ad8319bdf93f24aab45a528ef43bcc464fbe6a0f2f84a841acd34fd5e10b47a109bac3e79ccb791959daff92d4c92e396c605084c6541a65f9bc98
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec