Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 07:03
Static task
static1
Behavioral task
behavioral1
Sample
35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe
Resource
win10v2004-20240412-en
General
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Target
35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe
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Size
4.2MB
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MD5
6137dea63ec2e28fe76c97b871afc9ca
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SHA1
ba49d1c79a9848abfda493e7be6a39729716b0bc
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SHA256
35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9
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SHA512
d657faea9062a65d0cce28059dea279a2e456060714efbb6a66e24fe473f31a06732d74909995964d712b5532fee3b525b0198f541c64f3aad8fae3df7e6c246
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SSDEEP
98304:HNkDk7Y2e9fhWY+LbgLFpBVAayCN/CB0J4dlv7S/k29jp/4p:Ok7LeNhW/+FpBVAa19Ce4dlv7wZ4p
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/1716-2-0x0000000005280000-0x0000000005B6B000-memory.dmp family_glupteba behavioral1/memory/1716-3-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4876-56-0x00000000051A0000-0x0000000005A8B000-memory.dmp family_glupteba behavioral1/memory/4876-57-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/1716-82-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4876-146-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/4876-168-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/3540-254-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/3540-264-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/3540-269-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/3540-272-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/3540-276-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/3540-280-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/3540-283-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/3540-287-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/3540-291-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/3540-295-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/3540-299-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/3540-303-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral1/memory/3540-307-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3936 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3540 csrss.exe 2924 injector.exe 2140 windefender.exe 3760 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/2140-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3760-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3760-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe -
Drops file in Windows directory 4 IoCs
Processes:
35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe File created C:\Windows\rss\csrss.exe 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.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 2504 sc.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 3640 schtasks.exe 4668 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.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\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\26\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exepowershell.exe35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2364 powershell.exe 2364 powershell.exe 1716 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe 1716 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe 3216 powershell.exe 3216 powershell.exe 3216 powershell.exe 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe 532 powershell.exe 532 powershell.exe 1832 powershell.exe 1832 powershell.exe 2084 powershell.exe 2084 powershell.exe 3864 powershell.exe 3864 powershell.exe 4492 powershell.exe 4492 powershell.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 3540 csrss.exe 3540 csrss.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 3540 csrss.exe 3540 csrss.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 3540 csrss.exe 3540 csrss.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2364 powershell.exe Token: SeDebugPrivilege 1716 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Token: SeImpersonatePrivilege 1716 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe Token: SeDebugPrivilege 3216 powershell.exe Token: SeDebugPrivilege 532 powershell.exe Token: SeDebugPrivilege 1832 powershell.exe Token: SeDebugPrivilege 2084 powershell.exe Token: SeDebugPrivilege 3864 powershell.exe Token: SeDebugPrivilege 4492 powershell.exe Token: SeSystemEnvironmentPrivilege 3540 csrss.exe Token: SeSecurityPrivilege 2504 sc.exe Token: SeSecurityPrivilege 2504 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1716 wrote to memory of 2364 1716 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe powershell.exe PID 1716 wrote to memory of 2364 1716 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe powershell.exe PID 1716 wrote to memory of 2364 1716 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe powershell.exe PID 4876 wrote to memory of 3216 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe powershell.exe PID 4876 wrote to memory of 3216 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe powershell.exe PID 4876 wrote to memory of 3216 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe powershell.exe PID 4876 wrote to memory of 424 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe cmd.exe PID 4876 wrote to memory of 424 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe cmd.exe PID 424 wrote to memory of 3936 424 cmd.exe netsh.exe PID 424 wrote to memory of 3936 424 cmd.exe netsh.exe PID 4876 wrote to memory of 532 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe powershell.exe PID 4876 wrote to memory of 532 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe powershell.exe PID 4876 wrote to memory of 532 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe powershell.exe PID 4876 wrote to memory of 1832 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe powershell.exe PID 4876 wrote to memory of 1832 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe powershell.exe PID 4876 wrote to memory of 1832 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe powershell.exe PID 4876 wrote to memory of 3540 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe csrss.exe PID 4876 wrote to memory of 3540 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe csrss.exe PID 4876 wrote to memory of 3540 4876 35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe csrss.exe PID 3540 wrote to memory of 2084 3540 csrss.exe powershell.exe PID 3540 wrote to memory of 2084 3540 csrss.exe powershell.exe PID 3540 wrote to memory of 2084 3540 csrss.exe powershell.exe PID 3540 wrote to memory of 3864 3540 csrss.exe powershell.exe PID 3540 wrote to memory of 3864 3540 csrss.exe powershell.exe PID 3540 wrote to memory of 3864 3540 csrss.exe powershell.exe PID 3540 wrote to memory of 4492 3540 csrss.exe powershell.exe PID 3540 wrote to memory of 4492 3540 csrss.exe powershell.exe PID 3540 wrote to memory of 4492 3540 csrss.exe powershell.exe PID 3540 wrote to memory of 2924 3540 csrss.exe injector.exe PID 3540 wrote to memory of 2924 3540 csrss.exe injector.exe PID 2140 wrote to memory of 3500 2140 windefender.exe cmd.exe PID 2140 wrote to memory of 3500 2140 windefender.exe cmd.exe PID 2140 wrote to memory of 3500 2140 windefender.exe cmd.exe PID 3500 wrote to memory of 2504 3500 cmd.exe sc.exe PID 3500 wrote to memory of 2504 3500 cmd.exe sc.exe PID 3500 wrote to memory of 2504 3500 cmd.exe sc.exe -
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\35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe"C:\Users\Admin\AppData\Local\Temp\35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1716 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2364
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C:\Users\Admin\AppData\Local\Temp\35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.exe"C:\Users\Admin\AppData\Local\Temp\35b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9.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:4876 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3216
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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:424 -
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:3936
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:532
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1832
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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:3540 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2084
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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:3640
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2596
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3864
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4492
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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:2924
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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:4668
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2140 -
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:3500 -
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:2504
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3760
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
MD597bf8cfa7ff176cf00395358e93416b5
SHA13a8f1d6da3085c0772b4db8dce98885d61694a20
SHA256575da2403f020a5d8e2293e83a0a653983e172ef70ef92e34faef78a8ccdfd6b
SHA512e84721c7db7e165b4c51a4a3ad295e0cfa44c0df833e05edbae2a62983f21ab2b47e916077ac91f8a4d3b1b6356fc6fe9f5c2608c19dfc2ec350acff3de3bff3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53e7331167ec0061708c52c1191a94757
SHA1a2f1694c0d4b2dac5c651bdc1fa7d2310959c206
SHA256a90844bec656d8beec288a4b784411577e213f8425769bdfc76d963550152af5
SHA512ca8690bbd75a6b1f389f6fc5f4db21dc7032f3b801881c4137dfa8afc9acd62204e81d3b25593b8709a5eaa958e75cb6e02875f6b9ab69c79100ad100c3b1f6a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5236a539dec5e02f7ed591329ed858a99
SHA19a1f6776dfe4712079077ba1ad25a4f3cc95a20d
SHA2568f8cddf6d4d6fbd6283f4a71540d79daef5bb06bf789fb021be6c96bde6ed974
SHA512c9a981a3d2d732519c8af3ba2dea2212f72d005c2acef0a88961f2164d6198136a7fea30890cb590145d80ed31c92bee21bbc7df9fbac17302879def6eebee6d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54fc7b6e5c4193edb54e6e1a95c3a7555
SHA12ae666870b03e935020cd4720a3453368429e866
SHA256133c74650cb91e3a091278e86407c7b7ba96654fe7cc8b0d516790ab398135ec
SHA51253089daf19626fe3e4cd724dc2bdc0f5fa1123885dfee86e8f170256ff40c2276bbf17262ca0a31aed1c1e809bb73b4651c9e7ef55b5f34072761f29d081364d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52524cd100283353f1c01bc03ff7525fb
SHA11e17eb421caad2690dc1a62ab6a837a250bd572d
SHA25601795c770ee7d5afe16002d9f1171c75cea7a32f616ba7595daf791e8afa48ef
SHA512eb2bae7bc2081bceb09945bd44d3ec690e0a2b7643492f962a559ea35310640f3e89ad8ad62378e36b20d13a05ba998e799da019d4901da3731a0790c76852f7
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Filesize
4.2MB
MD56137dea63ec2e28fe76c97b871afc9ca
SHA1ba49d1c79a9848abfda493e7be6a39729716b0bc
SHA25635b21a11704eae11ce8cd455afb57857cd4dbd26401eda040d2f07c4dab179c9
SHA512d657faea9062a65d0cce28059dea279a2e456060714efbb6a66e24fe473f31a06732d74909995964d712b5532fee3b525b0198f541c64f3aad8fae3df7e6c246
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec