Analysis
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max time kernel
146s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 18:13
Static task
static1
Behavioral task
behavioral1
Sample
f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe
Resource
win10v2004-20240426-en
General
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Target
f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe
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Size
4.1MB
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MD5
a646cf4fdf1a86d57800cc180e8ba799
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SHA1
fb0df008ae51a38af0a7d7d16f9b49f1ea6d5ffa
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SHA256
f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871
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SHA512
21edb7123a8618546484bd6d91041ae5ef8f814dd25217b1cbadb2aa10461c8780b7c57a2b99b3ab15d420643f3c454921c395cc86e5a185b6dcbaf333477719
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SSDEEP
98304:QoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gz:QC1IraEjIw04m/Xfo4a5yka2Q+gz
Malware Config
Signatures
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Glupteba payload 14 IoCs
resource yara_rule behavioral1/memory/3272-2-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral1/memory/3272-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3272-57-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3272-58-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral1/memory/3272-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2288-132-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2288-140-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/536-191-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/536-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/536-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/536-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/536-244-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/536-248-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/536-252-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3724 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 536 csrss.exe 4780 injector.exe 3012 windefender.exe 1596 windefender.exe -
resource yara_rule behavioral1/files/0x000a00000002349b-227.dat upx behavioral1/memory/3012-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1596-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3012-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1596-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1596-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe File created C:\Windows\rss\csrss.exe f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.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 1696 sc.exe -
pid Process 3104 powershell.exe 1104 powershell.exe 3348 powershell.exe 4188 powershell.exe 3724 powershell.exe 5080 powershell.exe 516 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 888 schtasks.exe 4216 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,-2942 = "Sao Tome Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.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,-512 = "Central Asia Standard Time" windefender.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,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.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,-1972 = "Belarus Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.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,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight 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,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.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" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.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\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight 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" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5080 powershell.exe 5080 powershell.exe 3272 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 3272 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 516 powershell.exe 516 powershell.exe 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 3104 powershell.exe 3104 powershell.exe 1104 powershell.exe 1104 powershell.exe 3348 powershell.exe 3348 powershell.exe 4188 powershell.exe 4188 powershell.exe 3724 powershell.exe 3724 powershell.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 536 csrss.exe 536 csrss.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 536 csrss.exe 536 csrss.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 536 csrss.exe 536 csrss.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe 4780 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5080 powershell.exe Token: SeDebugPrivilege 3272 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Token: SeImpersonatePrivilege 3272 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Token: SeDebugPrivilege 516 powershell.exe Token: SeDebugPrivilege 3104 powershell.exe Token: SeDebugPrivilege 1104 powershell.exe Token: SeDebugPrivilege 3348 powershell.exe Token: SeDebugPrivilege 4188 powershell.exe Token: SeDebugPrivilege 3724 powershell.exe Token: SeSystemEnvironmentPrivilege 536 csrss.exe Token: SeSecurityPrivilege 1696 sc.exe Token: SeSecurityPrivilege 1696 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3272 wrote to memory of 5080 3272 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 95 PID 3272 wrote to memory of 5080 3272 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 95 PID 3272 wrote to memory of 5080 3272 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 95 PID 2288 wrote to memory of 516 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 100 PID 2288 wrote to memory of 516 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 100 PID 2288 wrote to memory of 516 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 100 PID 2288 wrote to memory of 1832 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 103 PID 2288 wrote to memory of 1832 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 103 PID 1832 wrote to memory of 3724 1832 cmd.exe 105 PID 1832 wrote to memory of 3724 1832 cmd.exe 105 PID 2288 wrote to memory of 3104 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 106 PID 2288 wrote to memory of 3104 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 106 PID 2288 wrote to memory of 3104 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 106 PID 2288 wrote to memory of 1104 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 108 PID 2288 wrote to memory of 1104 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 108 PID 2288 wrote to memory of 1104 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 108 PID 2288 wrote to memory of 536 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 110 PID 2288 wrote to memory of 536 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 110 PID 2288 wrote to memory of 536 2288 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 110 PID 536 wrote to memory of 3348 536 csrss.exe 111 PID 536 wrote to memory of 3348 536 csrss.exe 111 PID 536 wrote to memory of 3348 536 csrss.exe 111 PID 536 wrote to memory of 4188 536 csrss.exe 117 PID 536 wrote to memory of 4188 536 csrss.exe 117 PID 536 wrote to memory of 4188 536 csrss.exe 117 PID 536 wrote to memory of 3724 536 csrss.exe 119 PID 536 wrote to memory of 3724 536 csrss.exe 119 PID 536 wrote to memory of 3724 536 csrss.exe 119 PID 536 wrote to memory of 4780 536 csrss.exe 121 PID 536 wrote to memory of 4780 536 csrss.exe 121 PID 3012 wrote to memory of 3004 3012 windefender.exe 128 PID 3012 wrote to memory of 3004 3012 windefender.exe 128 PID 3012 wrote to memory of 3004 3012 windefender.exe 128 PID 3004 wrote to memory of 1696 3004 cmd.exe 129 PID 3004 wrote to memory of 1696 3004 cmd.exe 129 PID 3004 wrote to memory of 1696 3004 cmd.exe 129 -
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\f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe"C:\Users\Admin\AppData\Local\Temp\f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5080
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C:\Users\Admin\AppData\Local\Temp\f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe"C:\Users\Admin\AppData\Local\Temp\f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.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:2288 -
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\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:1832 -
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:3724
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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:3104
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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:1104
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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:536 -
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:3348
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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:888
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4408
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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:4188
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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:3724
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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:4780
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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:4216
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3012 -
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:3004 -
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:1696
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1596
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aa38a3dccf4c988c3737a27ea59fdcf5
SHA125753a84d870d0a733f342c5fb0142b583e8efb4
SHA256098a9a65160cb25f9bf4db17872e9bf2ed5872382c586f6566b79e39418d7dc8
SHA5129085a26251a09375e8ab55498b9f0e8d7e755d5d20457cef15969d613c34e72dc469bc852b835970712557850ba7a11452e064217d56c442488524a1735ed5be
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5feabfc116545e21e87e4b033e3b7783a
SHA111d6d894ecebc3614e2e3f1a80e96a5451e981f7
SHA256a17f624644d5df487141a7b88e1f6ece7ff57ee5728521130e6f3d5681b7b0f7
SHA512d828f450df73ef822341a732993d4e1c54d560ba845b9b5600c35e5e7b5d3f97d2d7242669895489b1c6af23d698f1ba87596fa5c1253675b898f1d76669e0c9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD583a3fbf5ea31dfdcf1faced9028381fb
SHA1c8962334095be88ed20d889f8710ef1a14406bf7
SHA256494bb630a4426ad0e558995ac7d0d77a851ba88388b4c028744d308260105d04
SHA5120b687345b40aba613173cde30f6342aaa2a38e6dede5e6e57ab7e6b8b6476167086ea59249e4477d37fde5a0ab9b3bb9bb5a19ed7df0fdc114b59f0ff3c48036
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5300fa5c1267fa3c30280da9b4a9da58a
SHA1ab2de7dc3049e118ab356a8135ba31114cfba0f0
SHA25640cb70f23da0360a950a3f1205761b563a118b6e7edfe2b2b2c8b893b02e8c21
SHA512929891b1975b58f175f1fae019dc7bb330140b529ec006ce2c867110d217f99431cefc0b949c53af6b126a75a26bb9252188dc5ff3b3f1a05768daa00fe4a465
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a20f5d8ef1ac4d149d21ae5f0315594d
SHA18433ad71a05d37d7535076aa5f1e512217edf2e0
SHA256658555fd71b9c7129b908b53d936d409e4a25a4d80e2071abef2ede1d9bd691b
SHA5128c95f26e7aa1a2ea4b3da3c516a30b9f3b7e651ca38fc9141ef888e8388992018cbfae46dc94b1fc8008b2602ada4032cf7426957312f2e2b67daea6680f418e
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Filesize
4.1MB
MD5a646cf4fdf1a86d57800cc180e8ba799
SHA1fb0df008ae51a38af0a7d7d16f9b49f1ea6d5ffa
SHA256f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871
SHA51221edb7123a8618546484bd6d91041ae5ef8f814dd25217b1cbadb2aa10461c8780b7c57a2b99b3ab15d420643f3c454921c395cc86e5a185b6dcbaf333477719
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec