Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 13:12
Static task
static1
Behavioral task
behavioral1
Sample
e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe
Resource
win10v2004-20240426-en
General
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Target
e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe
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Size
4.1MB
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MD5
ccc8cc4308c52c082727f69e9dc2a335
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SHA1
124b76890647957832a44cf8e6ba5aae1cb8b577
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SHA256
e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a
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SHA512
c109fcb687a78fe6b76d93c4d5fc73658f8bbec1815f05d8f45f0cdb4b686995c58e68f4818d0417a440c11439a62ae4af546c62f49a901679b3cc501677ec5d
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SSDEEP
98304:0l9GTbLtL99uWlQGfUFGGhNMfnjCzwWu2csDCx3z+t5:ZT3oWlQMUAMlWxj+t5
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3680-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/3680-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3680-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3680-53-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/1020-112-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1020-127-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3852-206-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3852-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3852-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3852-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3852-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3852-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3852-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3852-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3852-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3852-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3852-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3852-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3740 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3852 csrss.exe 3644 injector.exe 1104 windefender.exe 5052 windefender.exe -
resource yara_rule behavioral2/files/0x000700000002a8e2-209.dat upx behavioral2/memory/1104-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5052-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1104-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5052-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5052-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe File created C:\Windows\rss\csrss.exe e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4724 sc.exe -
pid Process 3120 powershell.exe 3836 powershell.exe 2284 powershell.exe 4656 powershell.exe 4816 powershell.exe 3892 powershell.exe 5000 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 2252 schtasks.exe 1536 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-1722 = "Libya Standard Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa 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\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.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,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.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,-2792 = "Novosibirsk Standard Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey 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" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.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\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3836 powershell.exe 3836 powershell.exe 3680 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 3680 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 2284 powershell.exe 2284 powershell.exe 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 4656 powershell.exe 4656 powershell.exe 4816 powershell.exe 4816 powershell.exe 3892 powershell.exe 3892 powershell.exe 5000 powershell.exe 5000 powershell.exe 3120 powershell.exe 3120 powershell.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3852 csrss.exe 3852 csrss.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3852 csrss.exe 3852 csrss.exe 3644 injector.exe 3644 injector.exe 3852 csrss.exe 3852 csrss.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe 3644 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3836 powershell.exe Token: SeDebugPrivilege 3680 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Token: SeImpersonatePrivilege 3680 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe Token: SeDebugPrivilege 2284 powershell.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 4816 powershell.exe Token: SeDebugPrivilege 3892 powershell.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeDebugPrivilege 3120 powershell.exe Token: SeSystemEnvironmentPrivilege 3852 csrss.exe Token: SeSecurityPrivilege 4724 sc.exe Token: SeSecurityPrivilege 4724 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3680 wrote to memory of 3836 3680 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 82 PID 3680 wrote to memory of 3836 3680 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 82 PID 3680 wrote to memory of 3836 3680 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 82 PID 1020 wrote to memory of 2284 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 87 PID 1020 wrote to memory of 2284 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 87 PID 1020 wrote to memory of 2284 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 87 PID 1020 wrote to memory of 1592 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 89 PID 1020 wrote to memory of 1592 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 89 PID 1592 wrote to memory of 3740 1592 cmd.exe 91 PID 1592 wrote to memory of 3740 1592 cmd.exe 91 PID 1020 wrote to memory of 4656 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 92 PID 1020 wrote to memory of 4656 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 92 PID 1020 wrote to memory of 4656 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 92 PID 1020 wrote to memory of 4816 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 94 PID 1020 wrote to memory of 4816 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 94 PID 1020 wrote to memory of 4816 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 94 PID 1020 wrote to memory of 3852 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 96 PID 1020 wrote to memory of 3852 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 96 PID 1020 wrote to memory of 3852 1020 e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe 96 PID 3852 wrote to memory of 3892 3852 csrss.exe 97 PID 3852 wrote to memory of 3892 3852 csrss.exe 97 PID 3852 wrote to memory of 3892 3852 csrss.exe 97 PID 3852 wrote to memory of 5000 3852 csrss.exe 103 PID 3852 wrote to memory of 5000 3852 csrss.exe 103 PID 3852 wrote to memory of 5000 3852 csrss.exe 103 PID 3852 wrote to memory of 3120 3852 csrss.exe 105 PID 3852 wrote to memory of 3120 3852 csrss.exe 105 PID 3852 wrote to memory of 3120 3852 csrss.exe 105 PID 3852 wrote to memory of 3644 3852 csrss.exe 109 PID 3852 wrote to memory of 3644 3852 csrss.exe 109 PID 1104 wrote to memory of 2632 1104 windefender.exe 119 PID 1104 wrote to memory of 2632 1104 windefender.exe 119 PID 1104 wrote to memory of 2632 1104 windefender.exe 119 PID 2632 wrote to memory of 4724 2632 cmd.exe 120 PID 2632 wrote to memory of 4724 2632 cmd.exe 120 PID 2632 wrote to memory of 4724 2632 cmd.exe 120 -
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\e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe"C:\Users\Admin\AppData\Local\Temp\e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3680 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3836
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C:\Users\Admin\AppData\Local\Temp\e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.exe"C:\Users\Admin\AppData\Local\Temp\e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a.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:1020 -
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:2284
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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:1592 -
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:3740
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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:4656
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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:4816
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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:3852 -
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:3892
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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:2252
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2344
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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:5000
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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:3120
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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:3644
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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:1536
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1104 -
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:2632 -
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:4724
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5052
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
MD5f6b68dcc4513018f3619163f76ab04ee
SHA122a734525ddd2333c0c8cd255cc7dbe463994d9d
SHA25600cf8c13a7545fcbed5b7d9d560ece3beafded6da576cff31f53485b3fe6322e
SHA512770aa0a528f8e7d8b9509a1f520c3575979d1aa9cecea7aee30df5daebe03e33713bfba43d1d523755a8f91c98bd9b6aea217675c29e45feca916f70a64d7d7f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56319941f7b2e878386590116b83f6fef
SHA13fd57b5bf3b1e239d45e6b2e06f918521a29a84f
SHA256b6e038c9d356a5c6c69a416cf91115aa1af62f9048668174407d9c3bb2f9ad60
SHA51215afde75873aacfe8760fabb34e79227da88df1d17aa30427435e7966ac1016c8850b7b10b11c9e48a0dcb83b6307931dc2e5a989721b035eb6a964c0dffe507
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD552190a8d28e91f213ec16211b727c395
SHA112db3779748541ce6d2c89d42db16dfc8c51475e
SHA256ab6df8012983a979c12dcba396f0fcb751a714b3d429fa9c6c494d4ad7cd517c
SHA512a7c4507d25c5ac8cb5a94d9ae32c6df966466617b22cc00d66676eb93583abc7be8cd541006e01e8f0c8264bf7a3e403996276544221b75b560c8d8d022e0a48
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53430f54ab468484a99ffe71b3705e05f
SHA18867c932f1c8ba846f9a42206f4d58b768bc1ade
SHA256692c513c31fe1e017069ad442f0e08ef5a6e82365b8a5dedb0516c7b37452e28
SHA5120e5ad395a9b90c1b237d951b4477abbaf4706f906f386ebc146403150aa7f9e92cc226bec78e267a9c98d8038cf68ce23b2e0020a60ee14d56c587a99a54e199
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a6a5bd59e5796d4654be8c074864201d
SHA10759faff5e97b4e304ddeee00105a6638cb76ee3
SHA256ce673fe2372fe1b1f811354b678f754bdc0489f0ccb823c432a4014cd91b1098
SHA512b84d6b9f2a778fd4d379b70735db3cb7eda0297749b66919bc8598d8d4cb44316b0d8940c5394080f1509035df9183011bde66b810a47732d11c84a8027be5dd
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Filesize
4.1MB
MD5ccc8cc4308c52c082727f69e9dc2a335
SHA1124b76890647957832a44cf8e6ba5aae1cb8b577
SHA256e05af0da9db955113148b2f7210fdf56bc55e5d5b3602761c6acfdd87674c88a
SHA512c109fcb687a78fe6b76d93c4d5fc73658f8bbec1815f05d8f45f0cdb4b686995c58e68f4818d0417a440c11439a62ae4af546c62f49a901679b3cc501677ec5d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec