Analysis
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max time kernel
149s -
max time network
152s -
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
bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe
Resource
win10v2004-20240426-en
General
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Target
bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe
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Size
4.1MB
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MD5
85336775d7b066dd2156478774f7c172
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SHA1
e801aa9b2fdc7e82091c5cb4704f6c5c06810b60
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SHA256
bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c
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SHA512
d636f78ff603da83fd7f6f97cbeb76653f308d3c2038ac0b989b01c5d60255da5daa24065da8eee0b9185a65cfabebdd96e62bddfd942aca7504bdd3c263c198
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SSDEEP
98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0h:YLmIkbquibpii2yAk4+2fEKmbS
Malware Config
Signatures
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Glupteba payload 17 IoCs
Processes:
resource yara_rule behavioral2/memory/236-2-0x0000000002E50000-0x000000000373B000-memory.dmp family_glupteba behavioral2/memory/236-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/236-109-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/236-111-0x0000000002E50000-0x000000000373B000-memory.dmp family_glupteba behavioral2/memory/928-170-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4148-201-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4148-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4148-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4148-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4148-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4148-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4148-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4148-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4148-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4148-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4148-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4148-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4588 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4148 csrss.exe 2196 injector.exe 4244 windefender.exe 1872 windefender.exe -
Processes:
resource yara_rule behavioral2/memory/4244-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa0e-210.dat upx behavioral2/memory/4244-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1872-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1872-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1872-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exebae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.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 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe File created C:\Windows\rss\csrss.exe bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 4872 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4400 powershell.exe 1584 powershell.exe 1760 powershell.exe 5116 powershell.exe 4152 powershell.exe 4756 powershell.exe 560 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 2060 schtasks.exe 4580 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.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,-691 = "Tasmania Daylight Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.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" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.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,-232 = "Hawaiian 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.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\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar 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)" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka 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,-2182 = "Astrakhan Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exebae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exepowershell.exebae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1584 powershell.exe 1584 powershell.exe 236 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 236 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 1760 powershell.exe 1760 powershell.exe 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 5116 powershell.exe 5116 powershell.exe 4152 powershell.exe 4152 powershell.exe 4756 powershell.exe 4756 powershell.exe 560 powershell.exe 560 powershell.exe 4400 powershell.exe 4400 powershell.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 4148 csrss.exe 4148 csrss.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 4148 csrss.exe 4148 csrss.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 4148 csrss.exe 4148 csrss.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exebae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1584 powershell.exe Token: SeDebugPrivilege 236 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Token: SeImpersonatePrivilege 236 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Token: SeDebugPrivilege 1760 powershell.exe Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 4152 powershell.exe Token: SeDebugPrivilege 4756 powershell.exe Token: SeDebugPrivilege 560 powershell.exe Token: SeDebugPrivilege 4400 powershell.exe Token: SeSystemEnvironmentPrivilege 4148 csrss.exe Token: SeSecurityPrivilege 4872 sc.exe Token: SeSecurityPrivilege 4872 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exebae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 236 wrote to memory of 1584 236 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 83 PID 236 wrote to memory of 1584 236 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 83 PID 236 wrote to memory of 1584 236 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 83 PID 928 wrote to memory of 1760 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 88 PID 928 wrote to memory of 1760 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 88 PID 928 wrote to memory of 1760 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 88 PID 928 wrote to memory of 3756 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 90 PID 928 wrote to memory of 3756 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 90 PID 3756 wrote to memory of 4588 3756 cmd.exe 92 PID 3756 wrote to memory of 4588 3756 cmd.exe 92 PID 928 wrote to memory of 5116 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 93 PID 928 wrote to memory of 5116 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 93 PID 928 wrote to memory of 5116 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 93 PID 928 wrote to memory of 4152 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 95 PID 928 wrote to memory of 4152 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 95 PID 928 wrote to memory of 4152 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 95 PID 928 wrote to memory of 4148 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 97 PID 928 wrote to memory of 4148 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 97 PID 928 wrote to memory of 4148 928 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 97 PID 4148 wrote to memory of 4756 4148 csrss.exe 98 PID 4148 wrote to memory of 4756 4148 csrss.exe 98 PID 4148 wrote to memory of 4756 4148 csrss.exe 98 PID 4148 wrote to memory of 560 4148 csrss.exe 103 PID 4148 wrote to memory of 560 4148 csrss.exe 103 PID 4148 wrote to memory of 560 4148 csrss.exe 103 PID 4148 wrote to memory of 4400 4148 csrss.exe 106 PID 4148 wrote to memory of 4400 4148 csrss.exe 106 PID 4148 wrote to memory of 4400 4148 csrss.exe 106 PID 4148 wrote to memory of 2196 4148 csrss.exe 108 PID 4148 wrote to memory of 2196 4148 csrss.exe 108 PID 4244 wrote to memory of 1544 4244 windefender.exe 114 PID 4244 wrote to memory of 1544 4244 windefender.exe 114 PID 4244 wrote to memory of 1544 4244 windefender.exe 114 PID 1544 wrote to memory of 4872 1544 cmd.exe 115 PID 1544 wrote to memory of 4872 1544 cmd.exe 115 PID 1544 wrote to memory of 4872 1544 cmd.exe 115 -
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\bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe"C:\Users\Admin\AppData\Local\Temp\bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:236 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1584
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C:\Users\Admin\AppData\Local\Temp\bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe"C:\Users\Admin\AppData\Local\Temp\bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.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:928 -
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:1760
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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:3756 -
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:4588
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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:5116
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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:4152
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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:4148 -
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:4756
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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:2060
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3560
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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:560
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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:4400
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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:2196
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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:4580
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4244 -
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:1544 -
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:4872
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1872
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f21031bea32d0da676c336b4117696e4
SHA1a99ebbd2ef0a1c6f16f0955807c42b3373d20fbe
SHA2562d8f0e52ad4fcb2b18b3930d88dc900d978bae05bb719d6658b856e25ec9b034
SHA512d56e221b7adba69d48caa05792f86968c6956921c2d903f617da1143e1a21a08ca9356dd237cf5fc614d14e07c2be1238d310c5867ebd6393a845d8b488b2eeb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD514b999d4e7c95e58c9d53f3a0894553b
SHA19b9e880c63da0b2645829af965f4c6e74760d183
SHA256f7cc7f849346931d3ba1ac69a0aaa4fe1fb762a7704dc2f8f9951e5c9e4b4c74
SHA512dc00a06c53dca4c6d3dbec49a102dd95997c65c9d498cc52e9dd6517ea0c96c9f4e514be80d58867b651c94a3eb5068b5b97122bad039b651b8d6b75ea632210
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51f4fcd0fd50c6cc87e820b373ab904c3
SHA1226f5067a7744bde95f57ea841145378bf96ba33
SHA256f199a3d8a1491c7c9a30abfbc52ada32cd3e4fea2236e0dcc4487603334f145a
SHA5129e199dc76d6c370a37cfc2c06e63f034728a40e21001b3aca1e8a35319b606dbca78ab3585a4d96b4760cf35ea665ed65c8e588b9b76e581505e5ca1a1a45d1b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5775d85d153e9a06679874cfa301a5e04
SHA18f82a3793939e619eb4f5cea239d685a571a3efb
SHA2563589b9a4a99919a28054f9b0dac167939d63ca72007fcc0ff7b453677d2cbaf8
SHA512fc2089bc07682f189d16533e593bc0c28a61d523e050634a9b68d8fee3b88c1d30e4751997959b8dfa2080ea0975ff8a097e98f4e34cba8cb84c5a7841046c26
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58eda8ed2621e0fbcc018a5e1ff23ddad
SHA1cd3a9da94bdde08d384247a89af3207184f7722a
SHA256b2f86a48fea436f2d945069c74c621175a28b93645c71d55f82b2e41150f9dfd
SHA5121f6342ecb975c778eba578de98f6a31511956d4b5f36424285c9094523dfb15d374c482f634a083904975c32c1eac1d227ecbda0e368ee90ab0dab560c267c36
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Filesize
4.1MB
MD585336775d7b066dd2156478774f7c172
SHA1e801aa9b2fdc7e82091c5cb4704f6c5c06810b60
SHA256bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c
SHA512d636f78ff603da83fd7f6f97cbeb76653f308d3c2038ac0b989b01c5d60255da5daa24065da8eee0b9185a65cfabebdd96e62bddfd942aca7504bdd3c263c198
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec