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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
02/05/2024, 20:08
Static task
static1
Behavioral task
behavioral1
Sample
3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe
Resource
win10v2004-20240419-en
General
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Target
3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe
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Size
4.2MB
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MD5
0f6f8c16a70edd50e9e000c4ff4ac2ec
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SHA1
ed5a776c43806713cb97a23309669389df0e7751
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SHA256
3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931
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SHA512
0c8d85a2b26ebc573ba0d92e1c8fab9676abe0fded9c0634cb8a62254ef8c50246440ce2e97c56e693c2c492c3b59a9d10f35fe27f0cbd380b6d641d4f0c9464
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SSDEEP
98304:p6SrQKkBQC4PnHNiNLk7n0q6bsVEgqWgwUIwD+toyYlM5LNuOc:nvwh4PnHck7nOsVEgAwH9tZh5Ls
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4776-2-0x0000000005060000-0x000000000594B000-memory.dmp family_glupteba behavioral1/memory/4776-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4776-26-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4776-58-0x0000000005060000-0x000000000594B000-memory.dmp family_glupteba behavioral1/memory/4776-60-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4776-59-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4332-71-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4332-137-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3092-176-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3092-220-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3092-229-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3092-232-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3092-235-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3092-238-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3092-241-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3092-244-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3092-247-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3092-250-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3092-253-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 936 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3092 csrss.exe 2480 injector.exe 316 windefender.exe 2172 windefender.exe -
resource yara_rule behavioral1/files/0x000b000000023bd5-223.dat upx behavioral1/memory/316-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/316-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2172-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2172-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2172-246-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description 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 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 -
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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe File created C:\Windows\rss\csrss.exe 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4424 sc.exe -
pid Process 3124 powershell.exe 4532 powershell.exe 3972 powershell.exe 5092 powershell.exe 516 powershell.exe 4452 powershell.exe 1088 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1236 schtasks.exe 2532 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.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,-1722 = "Libya Standard 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\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard 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\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard 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" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal 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)" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.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,-432 = "Iran Standard Time" windefender.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,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4532 powershell.exe 4532 powershell.exe 4776 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 4776 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 3972 powershell.exe 3972 powershell.exe 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 5092 powershell.exe 5092 powershell.exe 516 powershell.exe 516 powershell.exe 4452 powershell.exe 4452 powershell.exe 1088 powershell.exe 1088 powershell.exe 3124 powershell.exe 3124 powershell.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 3092 csrss.exe 3092 csrss.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 3092 csrss.exe 3092 csrss.exe 2480 injector.exe 2480 injector.exe 3092 csrss.exe 3092 csrss.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe 2480 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4532 powershell.exe Token: SeDebugPrivilege 4776 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Token: SeImpersonatePrivilege 4776 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe Token: SeDebugPrivilege 3972 powershell.exe Token: SeDebugPrivilege 5092 powershell.exe Token: SeDebugPrivilege 516 powershell.exe Token: SeDebugPrivilege 4452 powershell.exe Token: SeDebugPrivilege 1088 powershell.exe Token: SeDebugPrivilege 3124 powershell.exe Token: SeSystemEnvironmentPrivilege 3092 csrss.exe Token: SeSecurityPrivilege 4424 sc.exe Token: SeSecurityPrivilege 4424 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4776 wrote to memory of 4532 4776 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 97 PID 4776 wrote to memory of 4532 4776 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 97 PID 4776 wrote to memory of 4532 4776 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 97 PID 4332 wrote to memory of 3972 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 103 PID 4332 wrote to memory of 3972 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 103 PID 4332 wrote to memory of 3972 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 103 PID 4332 wrote to memory of 4872 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 105 PID 4332 wrote to memory of 4872 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 105 PID 4872 wrote to memory of 936 4872 cmd.exe 107 PID 4872 wrote to memory of 936 4872 cmd.exe 107 PID 4332 wrote to memory of 5092 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 108 PID 4332 wrote to memory of 5092 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 108 PID 4332 wrote to memory of 5092 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 108 PID 4332 wrote to memory of 516 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 111 PID 4332 wrote to memory of 516 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 111 PID 4332 wrote to memory of 516 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 111 PID 4332 wrote to memory of 3092 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 113 PID 4332 wrote to memory of 3092 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 113 PID 4332 wrote to memory of 3092 4332 3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe 113 PID 3092 wrote to memory of 4452 3092 csrss.exe 115 PID 3092 wrote to memory of 4452 3092 csrss.exe 115 PID 3092 wrote to memory of 4452 3092 csrss.exe 115 PID 3092 wrote to memory of 1088 3092 csrss.exe 121 PID 3092 wrote to memory of 1088 3092 csrss.exe 121 PID 3092 wrote to memory of 1088 3092 csrss.exe 121 PID 3092 wrote to memory of 3124 3092 csrss.exe 123 PID 3092 wrote to memory of 3124 3092 csrss.exe 123 PID 3092 wrote to memory of 3124 3092 csrss.exe 123 PID 3092 wrote to memory of 2480 3092 csrss.exe 125 PID 3092 wrote to memory of 2480 3092 csrss.exe 125 PID 316 wrote to memory of 4004 316 windefender.exe 131 PID 316 wrote to memory of 4004 316 windefender.exe 131 PID 316 wrote to memory of 4004 316 windefender.exe 131 PID 4004 wrote to memory of 4424 4004 cmd.exe 132 PID 4004 wrote to memory of 4424 4004 cmd.exe 132 PID 4004 wrote to memory of 4424 4004 cmd.exe 132 -
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\3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe"C:\Users\Admin\AppData\Local\Temp\3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4776 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4532
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C:\Users\Admin\AppData\Local\Temp\3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.exe"C:\Users\Admin\AppData\Local\Temp\3a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931.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:4332 -
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:3972
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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:4872 -
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:936
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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:5092
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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:516
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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:3092 -
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:4452
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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:1236
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4372
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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:1088
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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:3124
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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:2480
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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:2532
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:316 -
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:4004 -
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:4424
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2172
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5165a7194ef487a7ee2827ef7138734f5
SHA1bdef50213e70b9fd144bb9ae538c71e5dac3897d
SHA256e133b20f12e85bca0707cc1ba394cf0f29952cf0d9b02b8c3045879f68e518ef
SHA5126afbb0eb4ca6a0bd926247fdcea8ae60ece879cc3d9e4d7a81ac9dc5d80f424697888ec8a283771342deeb1f259b1593e941979208b867e28ee8730db582603a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a3be6d2e88464a16194b1799f83b7c7
SHA1b58065776a21692d0302245d116e8fbb96b7d855
SHA2567fdb1eba8770cf806f309b3f36af61d11ea5139cc1ca90bc78bd14713a7a36af
SHA512052384a6337f04743dfa8ef71e1d3c8a480ca2270159865fe6347eb0946d1fb1ae21121fa69dd0b525e49540ffd07a4ca96fef2e4e9e4ec1d144a377f2730a33
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53550ca85e57e23ce8ccb58c651dc3353
SHA1f988e4696741b97b29cae292ce455585dedffcd1
SHA2569a8bb102674aeb7fe4591d20447a1fabdac916262c75db5fc514b5a3b4ac4787
SHA5120221d99f692e133bf12b188a3ddc79bae42d249ff7f13b5bffc8fa171fbc5abbb80a5dc207c97e118107937397c56b36fcaf7f8ab36053aacecdc0712c84786b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5db0a9caa27236a359466112ca964ae6e
SHA1dd64b337c42364d43ef4d179328a1d4d6ab8dccd
SHA256534eb1cef11383f33dfdd1d364c0c6e344c8a80dc31a4567caa07e1c24a9db40
SHA512c8e958aedab9d6141d578604523d822292089b86fb61c51ffe2ee917964ad31f6fdc01dc10886dd3ab5f6d8b6a452f57eaa32107af10583d863622daf0088334
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51861c6b34739f454b7f7edcaa8c921b6
SHA1bf0bc4d82d8d3136a29eacd5869ffc7fd78da1ed
SHA2563c5bf71b9822415b24127806e4dfb195196e64419de3136a4afe762036853778
SHA512c6bf5b8b8b68eb489b394b68bbd5646483f7c45b5083a868dbfaca4a594fecbb8fddd9cef67199c5faef78f1afa4ff0f86a67bd34baa794f8097e16095e7eae8
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Filesize
4.2MB
MD50f6f8c16a70edd50e9e000c4ff4ac2ec
SHA1ed5a776c43806713cb97a23309669389df0e7751
SHA2563a0657f84c5464bc79dddc070bc9ba297d1284f2edbd3efa655c5a215c2c5931
SHA5120c8d85a2b26ebc573ba0d92e1c8fab9676abe0fded9c0634cb8a62254ef8c50246440ce2e97c56e693c2c492c3b59a9d10f35fe27f0cbd380b6d641d4f0c9464
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec