Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-05-2024 04:50
Static task
static1
Behavioral task
behavioral1
Sample
c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe
Resource
win10v2004-20240508-en
General
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Target
c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe
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Size
4.1MB
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MD5
a7f76f3fed31507ef9da91b81a690db3
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SHA1
7bfd775ef9d1c2e5f8416cf9c9d94ff0d21cff4c
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SHA256
c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b
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SHA512
67941e9dbaa2dd01fc8e6b0eb67472d2d1d65fac9d1847cd181bff0933f2d935f54af3335ce45fcf04440ab8d8eee9ec9c2e631303c360e242df13316d716c20
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SSDEEP
98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0i:YLmIkbquibpii2yAk4+2fEKmbx
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/4904-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4904-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4904-111-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4904-109-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4532-183-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2468-201-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2468-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2468-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2468-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2468-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2468-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2468-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2468-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2468-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2468-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2468-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2468-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2468-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4224 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 2468 csrss.exe 3888 injector.exe 2340 windefender.exe 1548 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/2340-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1548-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2340-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1548-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1548-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\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:
c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exec2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exedescription ioc process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe File created C:\Windows\rss\csrss.exe c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 2672 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 888 powershell.exe 3744 powershell.exe 4536 powershell.exe 3352 powershell.exe 1940 powershell.exe 4664 powershell.exe 4832 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 2808 schtasks.exe 748 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exec2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.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,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.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,-364 = "Middle East Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exec2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exepowershell.exec2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 888 powershell.exe 888 powershell.exe 4904 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4904 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 3744 powershell.exe 3744 powershell.exe 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe 4536 powershell.exe 4536 powershell.exe 3352 powershell.exe 3352 powershell.exe 1940 powershell.exe 1940 powershell.exe 4664 powershell.exe 4664 powershell.exe 4832 powershell.exe 4832 powershell.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 2468 csrss.exe 2468 csrss.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 2468 csrss.exe 2468 csrss.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 2468 csrss.exe 2468 csrss.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe 3888 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exec2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 888 powershell.exe Token: SeDebugPrivilege 4904 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Token: SeImpersonatePrivilege 4904 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe Token: SeDebugPrivilege 3744 powershell.exe Token: SeDebugPrivilege 4536 powershell.exe Token: SeDebugPrivilege 3352 powershell.exe Token: SeDebugPrivilege 1940 powershell.exe Token: SeDebugPrivilege 4664 powershell.exe Token: SeDebugPrivilege 4832 powershell.exe Token: SeSystemEnvironmentPrivilege 2468 csrss.exe Token: SeSecurityPrivilege 2672 sc.exe Token: SeSecurityPrivilege 2672 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exec2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4904 wrote to memory of 888 4904 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4904 wrote to memory of 888 4904 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4904 wrote to memory of 888 4904 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4532 wrote to memory of 3744 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4532 wrote to memory of 3744 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4532 wrote to memory of 3744 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4532 wrote to memory of 4804 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe cmd.exe PID 4532 wrote to memory of 4804 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe cmd.exe PID 4804 wrote to memory of 4224 4804 cmd.exe netsh.exe PID 4804 wrote to memory of 4224 4804 cmd.exe netsh.exe PID 4532 wrote to memory of 4536 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4532 wrote to memory of 4536 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4532 wrote to memory of 4536 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4532 wrote to memory of 3352 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4532 wrote to memory of 3352 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4532 wrote to memory of 3352 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe powershell.exe PID 4532 wrote to memory of 2468 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe csrss.exe PID 4532 wrote to memory of 2468 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe csrss.exe PID 4532 wrote to memory of 2468 4532 c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe csrss.exe PID 2468 wrote to memory of 1940 2468 csrss.exe powershell.exe PID 2468 wrote to memory of 1940 2468 csrss.exe powershell.exe PID 2468 wrote to memory of 1940 2468 csrss.exe powershell.exe PID 2468 wrote to memory of 4664 2468 csrss.exe powershell.exe PID 2468 wrote to memory of 4664 2468 csrss.exe powershell.exe PID 2468 wrote to memory of 4664 2468 csrss.exe powershell.exe PID 2468 wrote to memory of 4832 2468 csrss.exe powershell.exe PID 2468 wrote to memory of 4832 2468 csrss.exe powershell.exe PID 2468 wrote to memory of 4832 2468 csrss.exe powershell.exe PID 2468 wrote to memory of 3888 2468 csrss.exe injector.exe PID 2468 wrote to memory of 3888 2468 csrss.exe injector.exe PID 2340 wrote to memory of 1144 2340 windefender.exe cmd.exe PID 2340 wrote to memory of 1144 2340 windefender.exe cmd.exe PID 2340 wrote to memory of 1144 2340 windefender.exe cmd.exe PID 1144 wrote to memory of 2672 1144 cmd.exe sc.exe PID 1144 wrote to memory of 2672 1144 cmd.exe sc.exe PID 1144 wrote to memory of 2672 1144 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\c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe"C:\Users\Admin\AppData\Local\Temp\c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4904 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:888 -
C:\Users\Admin\AppData\Local\Temp\c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.exe"C:\Users\Admin\AppData\Local\Temp\c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b.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:4532 -
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:3744 -
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:4804 -
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:4224 -
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:4536 -
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:3352 -
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:2468 -
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:1940 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2808 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:412
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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:4664 -
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:4832 -
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:3888 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:748 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2340 -
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:1144 -
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:2672
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1548
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD536df8e6054a2e4863d5fb4b21ca7ae5c
SHA1bad9af872900d97fa22df1e22cfbc3b14dd50b3c
SHA256b1a221639fde76b5d835acb77611e199cb621d07f2c06e57e7e8eafa637b82c6
SHA5126a546f0ba66745050c5e1f001a14c41a48b5c17accab4def88f56f3d5686ae00c758e77b992cd03a24679f4536082722b6ac35bff65d9e6d5565fd945afbcf30
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b9b328041b6bc88abfa2ca7c0606ddd7
SHA1c973d52c54d08e928fa1525daad27344ce2fa934
SHA256bf826f9563dfb56a6a3d7b3823b405b3b3ad19353e7616e2293b9fd172cf3b46
SHA51282495837609eb1539ae62dd5be1e1cbb1c61e1acd6e1d40a924252703d95ca8ac0fa243904e435c2129b0c9e2ea3a6f464bd884e9762c663f4328c7569507bf9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e4556840f1683f7ddf2472d9e8352b6d
SHA1ce3f4a606eef77bab8efae00e67544ba759bea63
SHA25614fe119d0f1888d0c6ecc6b2fbd0b95cc40da32ea54f796dda667815dce6a21a
SHA51221705e63aee01ee42140efb827d29aaafdd9c78e426a5d30143650a85fef81b34f41153626b0ecd0f602a1a6ef2891c733084d654a20fd0c710dd079e5bbd088
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD583a63a003f974bc9102b9f39340cad40
SHA17ee96d6ae29d80491bd9b13d745b39e2bc723892
SHA256062d3becabcb99d43eabb9473c1e7cfa5675eed08de21f14e2a05d85aa19cfb1
SHA5123173395a94edfe5821d368e2bd9fe5fec9cdfe2ab8126b3eaaa57edb831a0bfa85d96cf01b9bff60f21f5ac03f736dca5bff1c3ab665481dda5d88fa85fa41f4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b91e09dd1c583c1698f09f3671a292c4
SHA199bddbf812e777c42c422eb418425fbe75fb26b0
SHA256b94fb59668ca51a216a7dbbb7a5fecc339eb54ce9c495f2c8d2afe718abfb1ae
SHA512398ab61c71293f9e0fbedda3db51689cdf85c83ac6f21dfde02cef86c0d0bb2915a34e3a22e0fa6b5931e65ae21c6565d4c2b63470b48540913bc94b909eb6c8
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Filesize
4.1MB
MD5a7f76f3fed31507ef9da91b81a690db3
SHA17bfd775ef9d1c2e5f8416cf9c9d94ff0d21cff4c
SHA256c2a97324281fb95f6e5126e932eb700e327189caa5f6cf772eff813ba4cc553b
SHA51267941e9dbaa2dd01fc8e6b0eb67472d2d1d65fac9d1847cd181bff0933f2d935f54af3335ce45fcf04440ab8d8eee9ec9c2e631303c360e242df13316d716c20
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec