Analysis
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max time kernel
150s -
max time network
152s -
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 20:42
Static task
static1
Behavioral task
behavioral1
Sample
2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe
Resource
win10v2004-20240426-en
General
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Target
2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe
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Size
4.1MB
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MD5
306543b55f1bbfdff3aa3c8ae7747099
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SHA1
dfccada649518c9bc04275903803da1ca4b0168b
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SHA256
2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2
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SHA512
b1dab07c3b63d5f6ef1c25b6c554f8788daf5c8d940b1011c7f6d565114edb94558152798b38bce539930700b1c8715bcebd9a63ce27490d3b8f2d2d43e5f2fd
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SSDEEP
98304:D7sgfTqZm7fywQIpjGUn+cmloZHued8miXbTsPufBvN9:DzgmDywQg+foZ8mw6Sf
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2184-2-0x0000000004830000-0x000000000511B000-memory.dmp family_glupteba behavioral1/memory/2184-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2184-133-0x0000000004830000-0x000000000511B000-memory.dmp family_glupteba behavioral1/memory/2184-131-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2184-207-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2524-206-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-214-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-253-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-261-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-265-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4732-269-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 5060 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4732 csrss.exe 4960 injector.exe 3524 windefender.exe 4128 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00080000000233f9-217.dat upx behavioral1/memory/3524-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4128-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3524-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4128-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4128-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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 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 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 -
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:
2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe -
Drops file in Windows directory 4 IoCs
Processes:
2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe File created C:\Windows\rss\csrss.exe 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.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 3920 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2192 powershell.exe 3516 powershell.exe 3564 powershell.exe 968 powershell.exe 2256 powershell.exe 5112 powershell.exe 4484 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 3116 schtasks.exe 1360 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe 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,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.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,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.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,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.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\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exepowershell.exe2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2192 powershell.exe 2192 powershell.exe 2184 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 2184 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 3516 powershell.exe 3516 powershell.exe 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 3564 powershell.exe 3564 powershell.exe 968 powershell.exe 968 powershell.exe 2256 powershell.exe 2256 powershell.exe 5112 powershell.exe 5112 powershell.exe 4484 powershell.exe 4484 powershell.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4732 csrss.exe 4732 csrss.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4732 csrss.exe 4732 csrss.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4732 csrss.exe 4732 csrss.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe 4960 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2192 powershell.exe Token: SeDebugPrivilege 2184 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Token: SeImpersonatePrivilege 2184 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe Token: SeDebugPrivilege 3516 powershell.exe Token: SeDebugPrivilege 3564 powershell.exe Token: SeDebugPrivilege 968 powershell.exe Token: SeDebugPrivilege 2256 powershell.exe Token: SeDebugPrivilege 5112 powershell.exe Token: SeDebugPrivilege 4484 powershell.exe Token: SeSystemEnvironmentPrivilege 4732 csrss.exe Token: SeSecurityPrivilege 3920 sc.exe Token: SeSecurityPrivilege 3920 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2184 wrote to memory of 2192 2184 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 84 PID 2184 wrote to memory of 2192 2184 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 84 PID 2184 wrote to memory of 2192 2184 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 84 PID 2524 wrote to memory of 3516 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 93 PID 2524 wrote to memory of 3516 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 93 PID 2524 wrote to memory of 3516 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 93 PID 2524 wrote to memory of 4452 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 98 PID 2524 wrote to memory of 4452 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 98 PID 4452 wrote to memory of 5060 4452 cmd.exe 100 PID 4452 wrote to memory of 5060 4452 cmd.exe 100 PID 2524 wrote to memory of 3564 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 101 PID 2524 wrote to memory of 3564 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 101 PID 2524 wrote to memory of 3564 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 101 PID 2524 wrote to memory of 968 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 105 PID 2524 wrote to memory of 968 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 105 PID 2524 wrote to memory of 968 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 105 PID 2524 wrote to memory of 4732 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 107 PID 2524 wrote to memory of 4732 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 107 PID 2524 wrote to memory of 4732 2524 2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe 107 PID 4732 wrote to memory of 2256 4732 csrss.exe 108 PID 4732 wrote to memory of 2256 4732 csrss.exe 108 PID 4732 wrote to memory of 2256 4732 csrss.exe 108 PID 4732 wrote to memory of 5112 4732 csrss.exe 114 PID 4732 wrote to memory of 5112 4732 csrss.exe 114 PID 4732 wrote to memory of 5112 4732 csrss.exe 114 PID 4732 wrote to memory of 4484 4732 csrss.exe 116 PID 4732 wrote to memory of 4484 4732 csrss.exe 116 PID 4732 wrote to memory of 4484 4732 csrss.exe 116 PID 4732 wrote to memory of 4960 4732 csrss.exe 118 PID 4732 wrote to memory of 4960 4732 csrss.exe 118 PID 3524 wrote to memory of 4968 3524 windefender.exe 124 PID 3524 wrote to memory of 4968 3524 windefender.exe 124 PID 3524 wrote to memory of 4968 3524 windefender.exe 124 PID 4968 wrote to memory of 3920 4968 cmd.exe 125 PID 4968 wrote to memory of 3920 4968 cmd.exe 125 PID 4968 wrote to memory of 3920 4968 cmd.exe 125 -
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\2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe"C:\Users\Admin\AppData\Local\Temp\2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2192
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C:\Users\Admin\AppData\Local\Temp\2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.exe"C:\Users\Admin\AppData\Local\Temp\2d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2.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:2524 -
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:3516
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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:4452 -
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:5060
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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:3564
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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:968
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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:4732 -
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:2256
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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:3116
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1688
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5112
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C:\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:4484
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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:4960
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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:1360
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3524 -
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:4968 -
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:3920
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4128
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
MD5bc7246e31267c16076682aa68abc4dbe
SHA177a8744d56f39e0a43c2d8279cb4bf5cdf225d12
SHA256cc70ff5c233857893c1614df8f2f2c6edcefac7c9cfe9379df688689c49e21c1
SHA512e5be220c353d9e6ca4990cfc4cbce94c9570d6aa5ea5ad06d02f8a22c73d18dc3c3d6abaa954cb3a74af7bd7bbd1f0cdc388be31d0f87403b3e43fad08936961
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e3b750e1c33c38a43c7e4eaf1ce491b3
SHA195629319c5af7fab54206062f238309a24258029
SHA2568ac6295ee0ba2c4e1e8f60fc37b68d60b919aeaed96c645c134c98e2000f6064
SHA51288b61daa4e7df3652d1496295f91814116ad0934f7819306808393c6fdf42dcda671c89b43c876c682b889b40bc373629dc1482208ac22a208ee7416a409ac9e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57dcb0b7f1759feae1eb1a83180c66b58
SHA187bd3a3ac287bc448cd614bf5eb0ca8b4c29e843
SHA256fbc60f04ff8312effbaff46e5a7f9aec8bd3b42e4117054d8e2a295143393862
SHA5122fcd966a4483778f46663a10b4679b4c7020a34ee5403133997f35c2d6c4cb2aa9255bbf7c8d2f2a4dac361beac9822fdab65546764047745e7483b6e3830759
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57ec3b016e1cd8f263b47f93c463870e3
SHA17fab2db5dce527d0efbcf6ac6cfc87649e61e013
SHA256f15cfeacda730015c7e27af336e27b3363370698daae4ef1aab74d145925ab32
SHA5123ee5b2a0d89232a5d745d4fdba2c289f5109a42cd5cbc4b75c17d4362899f8e521f61867c7b0767561cf5249349d83f4b32445eddf578361ccf70252bc9b7315
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD583ca5a05cecc1a78625150fc902f9492
SHA16d309e9ea530804254fb741569a037326d390552
SHA2562d46ed9e4983535faea38ae6de273888ce78de4544c9ca2269aa7988d966ef43
SHA512669c7066a1b30bac9a0bfe9ca42a8997a3a41587f1e90ccbb5e92d1af7d29a335f76472b67d07c7331e3fd71ffa617f637db215bd56f6b42e03067edf3a24c2d
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Filesize
4.1MB
MD5306543b55f1bbfdff3aa3c8ae7747099
SHA1dfccada649518c9bc04275903803da1ca4b0168b
SHA2562d0427d3d39bc5524dae2e9964deba25adbef3f61980d82568507576243f25f2
SHA512b1dab07c3b63d5f6ef1c25b6c554f8788daf5c8d940b1011c7f6d565114edb94558152798b38bce539930700b1c8715bcebd9a63ce27490d3b8f2d2d43e5f2fd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec