Analysis
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max time kernel
150s -
max time network
137s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 20:38
Static task
static1
Behavioral task
behavioral1
Sample
225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe
Resource
win10v2004-20240508-en
General
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Target
225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe
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Size
4.1MB
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MD5
e2fd3f6c0c2dbc7067e3a4fd0431017a
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SHA1
7f47fcfab1f58d6edf17f85e90452a60cfae6a1f
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SHA256
225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898
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SHA512
6ababb4a85e2a4bfdcb9d6da2e68b1446ce8f0c0352ecd3911667b9ae2f23df619c654f683d0b765ca55b5409d8ebbf726f66d432af5b4901cbecb93a80deddd
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SSDEEP
98304:77sgfTqZm7fywQIpjGUn+cmloZHued8miXbTsPufBvNI:7zgmDywQg+foZ8mw6SO
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/3796-2-0x0000000004970000-0x000000000525B000-memory.dmp family_glupteba behavioral2/memory/3796-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3796-74-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3796-99-0x0000000004970000-0x000000000525B000-memory.dmp family_glupteba behavioral2/memory/1740-124-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3796-127-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4296-194-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4296-202-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4296-204-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4296-207-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4296-209-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4296-210-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4296-212-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4296-215-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4296-217-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4296-218-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4296-220-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4296-223-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 760 netsh.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid Process 4296 csrss.exe 576 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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:
225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe -
Drops file in Windows directory 2 IoCs
Processes:
225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exedescription ioc Process File opened for modification C:\Windows\rss 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe File created C:\Windows\rss\csrss.exe 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4024 powershell.exe 3912 powershell.exe 3664 powershell.exe 2664 powershell.exe 4184 powershell.exe 3212 powershell.exe 5108 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 4196 schtasks.exe 4808 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exepowershell.exepowershell.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,-364 = "Middle East Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.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" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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,-2532 = "Chatham Islands Standard Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-162 = "Central Standard Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exepowershell.exe225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4184 powershell.exe 4184 powershell.exe 3796 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 3796 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 3212 powershell.exe 3212 powershell.exe 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 5108 powershell.exe 5108 powershell.exe 4024 powershell.exe 4024 powershell.exe 3912 powershell.exe 3912 powershell.exe 3664 powershell.exe 3664 powershell.exe 2664 powershell.exe 2664 powershell.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 4296 csrss.exe 576 injector.exe 4296 csrss.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 4296 csrss.exe 4296 csrss.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe 576 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
powershell.exe225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exedescription pid Process Token: SeDebugPrivilege 4184 powershell.exe Token: SeDebugPrivilege 3796 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Token: SeImpersonatePrivilege 3796 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe Token: SeDebugPrivilege 3212 powershell.exe Token: SeDebugPrivilege 5108 powershell.exe Token: SeDebugPrivilege 4024 powershell.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeDebugPrivilege 3664 powershell.exe Token: SeDebugPrivilege 2664 powershell.exe Token: SeSystemEnvironmentPrivilege 4296 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.execmd.execsrss.exedescription pid Process procid_target PID 3796 wrote to memory of 4184 3796 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 82 PID 3796 wrote to memory of 4184 3796 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 82 PID 3796 wrote to memory of 4184 3796 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 82 PID 1740 wrote to memory of 3212 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 87 PID 1740 wrote to memory of 3212 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 87 PID 1740 wrote to memory of 3212 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 87 PID 1740 wrote to memory of 644 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 89 PID 1740 wrote to memory of 644 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 89 PID 644 wrote to memory of 760 644 cmd.exe 91 PID 644 wrote to memory of 760 644 cmd.exe 91 PID 1740 wrote to memory of 5108 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 92 PID 1740 wrote to memory of 5108 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 92 PID 1740 wrote to memory of 5108 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 92 PID 1740 wrote to memory of 4024 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 94 PID 1740 wrote to memory of 4024 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 94 PID 1740 wrote to memory of 4024 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 94 PID 1740 wrote to memory of 4296 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 96 PID 1740 wrote to memory of 4296 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 96 PID 1740 wrote to memory of 4296 1740 225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe 96 PID 4296 wrote to memory of 3912 4296 csrss.exe 97 PID 4296 wrote to memory of 3912 4296 csrss.exe 97 PID 4296 wrote to memory of 3912 4296 csrss.exe 97 PID 4296 wrote to memory of 3664 4296 csrss.exe 102 PID 4296 wrote to memory of 3664 4296 csrss.exe 102 PID 4296 wrote to memory of 3664 4296 csrss.exe 102 PID 4296 wrote to memory of 2664 4296 csrss.exe 105 PID 4296 wrote to memory of 2664 4296 csrss.exe 105 PID 4296 wrote to memory of 2664 4296 csrss.exe 105 PID 4296 wrote to memory of 576 4296 csrss.exe 107 PID 4296 wrote to memory of 576 4296 csrss.exe 107 -
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\225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe"C:\Users\Admin\AppData\Local\Temp\225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3796 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4184
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C:\Users\Admin\AppData\Local\Temp\225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe"C:\Users\Admin\AppData\Local\Temp\225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.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:1740 -
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:3212
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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:644 -
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:760
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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:5108
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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:4024
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4296 -
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:3912
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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:4808
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2904
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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:3664
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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:2664
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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:576
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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:4196
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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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f34d03eeff9448214beffaeb207c4d98
SHA14312f89a2e763f9f756c1133ed64a2b9efb3fd55
SHA25674ce73bf36746d4dd7f7ed281989d16e555bdce2afcd0f28a42baa2c7058439d
SHA51293481df82ab8757e57e63afcfd7e51d5825512786e346bbbe743366559592dbe4d8a6f1f211af64e7104e3573228c1fe091d24f8b0cfde062f0928946b83d041
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5417fe977949e4d4fa34bc1b8149129cf
SHA186a2d3d133d87b1c76b1b56c31dabcf0eca1675e
SHA256b570a9d5b2419b8dba98b824d546cd01a87eeb1a6a1f97a4c44703d751d760ab
SHA5127cd68b840408cef102d362df0d2b740d5ba84f01abf7da894cb8827673c7930cff3ad51ab4b4c2cddf2a6ccca6fd9e8c2ec7a336d019c5db94e9372b77a031f8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59497639f13e4e09f2da3a234db63eba0
SHA1be977c4de4d83fbe11d00f5c03a13508034cff47
SHA256c6ed66a3f8fb7f773cae9e92afb66796755ba11bf3538eef446a5e4c409be492
SHA5127aac1b99287fcb2c6ba2cf74d4ef50e4b5b9513c93ad2b26320b99c6ec92e0c1fdc419c17784c432a9d451f0e71720234c656b3b20c63a1beca1237306710182
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD528a1237cee45fbe82c8c73416c658e77
SHA11ebb09904c3dc785aa178600a92fbd754aee587f
SHA256c06b84198686703b4e3db3481bcdc942e64f102494a58fc64f42517fb4e10df8
SHA5120026945a0493a69d51a7a890fd4bae275bf9c253b30fd9719bc1549f996ebc0755a7fccf07d080217f8dc25bb1bfff0a498c8037dd5b5a66e17dbdd09c3199a6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c16a0afb6e13543dbdc189466414c71e
SHA194953f84a2d8c15b7272cf5cceb56e61df6e2f7b
SHA256b61d45866866a3a87999ef07366ce867df479a43902e74d9b0ff07ff528bd198
SHA51226a24158c16a499d12251be307c4b4280a45f6cd8397571653e69d2c33ef0459d13cd4dd9324a3c618d8f901a31c30dc352dc4e2f68660eb9fa4b040ffb9e246
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Filesize
4.1MB
MD5e2fd3f6c0c2dbc7067e3a4fd0431017a
SHA17f47fcfab1f58d6edf17f85e90452a60cfae6a1f
SHA256225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898
SHA5126ababb4a85e2a4bfdcb9d6da2e68b1446ce8f0c0352ecd3911667b9ae2f23df619c654f683d0b765ca55b5409d8ebbf726f66d432af5b4901cbecb93a80deddd