Analysis
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max time kernel
149s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 09:07
Static task
static1
Behavioral task
behavioral1
Sample
398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe
Resource
win10v2004-20240508-en
General
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Target
398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe
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Size
4.1MB
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MD5
1ebd58b5a0d2ae2d3c369086e98fae1c
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SHA1
5c748473c2c8d8f863a0e3dbdd66b2afea69dd77
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SHA256
398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214
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SHA512
13acc264d0150d0ee42c574cc8f577cc7d3ab0a81ca00db7897b7ef12a5530a402afbe3a19cfa015886196178aad92508daa052f1306f6a16b1c65974416ab7a
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SSDEEP
98304:AvCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1DY:AvC3DFSWO/BjYGk1PnXHoWWZ1za6NDY
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4116-2-0x0000000004400000-0x0000000004CEB000-memory.dmp family_glupteba behavioral1/memory/4116-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4116-57-0x0000000004400000-0x0000000004CEB000-memory.dmp family_glupteba behavioral1/memory/4116-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4116-55-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3236-136-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2416-219-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2416-228-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2416-229-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2416-231-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2416-234-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2416-236-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2416-237-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2416-239-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2416-241-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2416-244-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2416-245-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2416-247-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2416-250-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3228 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2416 csrss.exe 1284 injector.exe 5000 windefender.exe 2704 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0009000000023561-222.dat upx behavioral1/memory/5000-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2704-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5000-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2704-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2704-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2704-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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 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 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:
398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe -
Drops file in Windows directory 4 IoCs
Processes:
398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe File created C:\Windows\rss\csrss.exe 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.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 3768 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3216 powershell.exe 2680 powershell.exe 1204 powershell.exe 184 powershell.exe 2352 powershell.exe 1792 powershell.exe 1452 powershell.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 4832 4116 WerFault.exe 89 3004 3236 WerFault.exe 102 -
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 736 schtasks.exe 4348 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.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,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.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,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.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,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.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" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exepowershell.exe398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1792 powershell.exe 1792 powershell.exe 4116 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 4116 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 1452 powershell.exe 1452 powershell.exe 1452 powershell.exe 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 3216 powershell.exe 3216 powershell.exe 3216 powershell.exe 2680 powershell.exe 2680 powershell.exe 2680 powershell.exe 1204 powershell.exe 1204 powershell.exe 1204 powershell.exe 184 powershell.exe 184 powershell.exe 184 powershell.exe 2352 powershell.exe 2352 powershell.exe 2352 powershell.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 2416 csrss.exe 2416 csrss.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 2416 csrss.exe 2416 csrss.exe 1284 injector.exe 1284 injector.exe 2416 csrss.exe 2416 csrss.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe 1284 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1792 powershell.exe Token: SeDebugPrivilege 4116 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Token: SeImpersonatePrivilege 4116 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe Token: SeDebugPrivilege 1452 powershell.exe Token: SeDebugPrivilege 3216 powershell.exe Token: SeDebugPrivilege 2680 powershell.exe Token: SeDebugPrivilege 1204 powershell.exe Token: SeDebugPrivilege 184 powershell.exe Token: SeDebugPrivilege 2352 powershell.exe Token: SeSystemEnvironmentPrivilege 2416 csrss.exe Token: SeSecurityPrivilege 3768 sc.exe Token: SeSecurityPrivilege 3768 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4116 wrote to memory of 1792 4116 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 91 PID 4116 wrote to memory of 1792 4116 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 91 PID 4116 wrote to memory of 1792 4116 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 91 PID 3236 wrote to memory of 1452 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 107 PID 3236 wrote to memory of 1452 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 107 PID 3236 wrote to memory of 1452 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 107 PID 3236 wrote to memory of 756 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 111 PID 3236 wrote to memory of 756 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 111 PID 756 wrote to memory of 3228 756 cmd.exe 113 PID 756 wrote to memory of 3228 756 cmd.exe 113 PID 3236 wrote to memory of 3216 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 114 PID 3236 wrote to memory of 3216 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 114 PID 3236 wrote to memory of 3216 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 114 PID 3236 wrote to memory of 2680 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 117 PID 3236 wrote to memory of 2680 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 117 PID 3236 wrote to memory of 2680 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 117 PID 3236 wrote to memory of 2416 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 119 PID 3236 wrote to memory of 2416 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 119 PID 3236 wrote to memory of 2416 3236 398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe 119 PID 2416 wrote to memory of 1204 2416 csrss.exe 122 PID 2416 wrote to memory of 1204 2416 csrss.exe 122 PID 2416 wrote to memory of 1204 2416 csrss.exe 122 PID 2416 wrote to memory of 184 2416 csrss.exe 127 PID 2416 wrote to memory of 184 2416 csrss.exe 127 PID 2416 wrote to memory of 184 2416 csrss.exe 127 PID 2416 wrote to memory of 2352 2416 csrss.exe 130 PID 2416 wrote to memory of 2352 2416 csrss.exe 130 PID 2416 wrote to memory of 2352 2416 csrss.exe 130 PID 2416 wrote to memory of 1284 2416 csrss.exe 132 PID 2416 wrote to memory of 1284 2416 csrss.exe 132 PID 5000 wrote to memory of 5020 5000 windefender.exe 139 PID 5000 wrote to memory of 5020 5000 windefender.exe 139 PID 5000 wrote to memory of 5020 5000 windefender.exe 139 PID 5020 wrote to memory of 3768 5020 cmd.exe 140 PID 5020 wrote to memory of 3768 5020 cmd.exe 140 PID 5020 wrote to memory of 3768 5020 cmd.exe 140 -
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\398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe"C:\Users\Admin\AppData\Local\Temp\398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4116 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1792
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C:\Users\Admin\AppData\Local\Temp\398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.exe"C:\Users\Admin\AppData\Local\Temp\398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214.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:3236 -
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:1452
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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:756 -
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:3228
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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:3216
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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:2680
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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:2416 -
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:1204
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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:736
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1892
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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:184
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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:2352
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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:1284
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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:4348
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5000 -
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:5020 -
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:3768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 9523⤵
- Program crash
PID:3004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 9162⤵
- Program crash
PID:4832
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4488,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4204 /prefetch:81⤵PID:2892
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4116 -ip 41161⤵PID:1076
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3236 -ip 32361⤵PID:2436
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2704
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
MD59c4b8e724d79961f9afd3768bd58808e
SHA194cff762b1f2ba5460ac3f08d954fb58f68eae7f
SHA256bf85b74dd730ea47e8f73e982319c23da27a873da6582ae7d7307f0ac258fe16
SHA51233db83b8a9a836649cb8801859cdf7449e7c361d69f1c24efb09698c94a6ca184b49fb0eece96460ced5b6bcd259edfb6cd51ac7d5933d75602f824a6bc89762
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d497d05b043e558bf1af21d071f31560
SHA19f6f55d388a79de9f2fbbc0a78da4d993dd3cc2c
SHA25667201ba88028ec3b2e7cc65cb7cf13c6b6d3a2c14288974fe065739933b43784
SHA512c5c43c173cb45705096dac69df0620ed64c2005641fc3e68fb4681e3da9dd6ad940a409b942fb642748ca41e250f2c69c0cf24aaebfb81ca2bae53a1c865433b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54e4c11f68058822cae2f1bf86f6fb8ee
SHA19b9c6e639c53c465da0975289d141c5e475d92c7
SHA256293a2d4a7fa31398a732b9396f3f3e5351b51639c7046bfce2c6f5c65c309f81
SHA512fdfab1c28767023f7a69827bef6438aacb5dc19a3f460ff89e235e413ba72d9f530d176724d919bf79fff4cab5976c21f788f04929b1de5c46df8af82bcf3a8e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57bdd2a4871874b0f806dbd1ead730581
SHA14310c6bef3fa8a56577f0160d5cb621e2c0184fe
SHA25606067577d88ed7cf7f0271a352b5c17483634c09c44d85841d105d444993dacd
SHA512d80825d8388a33c3924b8de56b7bbad81b8615a60cb6e270c2e784fd286d362fa81c209d5ae2fc35c40aef9e12b34006cbf4d8af85f0468db780725355f0a5b9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51ed394e8d62ee27ecbe73221a704566d
SHA1c4396550c6b32e0152cccfb557e6bc6b26b84f71
SHA2568f8a7495459c6154ea1fe8d80c8a66fb07930b3b56725f9fe564bb2109242790
SHA512eb71c4ca566a1e3a979aad70050b7856c12838bc1f80bc928346a71ce38d9a7db6c09dd1eac298770d4a060920ef781270fff74c5f9fe70628a4b3b799ece88d
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Filesize
4.1MB
MD51ebd58b5a0d2ae2d3c369086e98fae1c
SHA15c748473c2c8d8f863a0e3dbdd66b2afea69dd77
SHA256398644cbf1c5166f19a6df291e6a47b157168c7eb4f52bef13e41e1e6854d214
SHA51213acc264d0150d0ee42c574cc8f577cc7d3ab0a81ca00db7897b7ef12a5530a402afbe3a19cfa015886196178aad92508daa052f1306f6a16b1c65974416ab7a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec