Analysis
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max time kernel
149s -
max time network
130s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
10/05/2024, 12:28
Static task
static1
Behavioral task
behavioral1
Sample
929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe
Resource
win10v2004-20240508-en
General
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Target
929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe
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Size
4.1MB
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MD5
eb81e3a253f9e9cd46d14d85ed54718b
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SHA1
5d5c3a7469d2e259633cab0fd2bc26dd4763c6b6
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SHA256
929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3
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SHA512
ada6b8e8271d1d706037cf27eeb1b030dda6e213228fa57154f1732e7ddb640871ae94844e368e2f633e32cd1e0d28c0526309c3584b2d7babf744a42a675414
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SSDEEP
98304:02VXhdnbTW3ta6UIOYWZY5J7WQyovunqeGZgyM24st:zRp2dJVz7yogo7AE
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3260-2-0x0000000004A90000-0x000000000537B000-memory.dmp family_glupteba behavioral2/memory/3260-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3260-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3260-52-0x0000000004A90000-0x000000000537B000-memory.dmp family_glupteba behavioral2/memory/3260-51-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/2728-122-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/2728-127-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4736-198-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4736-205-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4736-213-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4736-221-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4736-229-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4736-237-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4736-245-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4736-253-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4736-261-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4736-269-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4736-277-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4736-285-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4560 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 4736 csrss.exe -
resource yara_rule behavioral2/memory/3652-201-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/760-202-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3652-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/760-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/760-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\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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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 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe File created C:\Windows\rss\csrss.exe 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4560 sc.exe -
pid Process 1312 powershell.exe 2556 powershell.exe 2408 powershell.exe 340 powershell.exe 2580 powershell.exe 2008 powershell.exe 4052 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2968 3260 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1624 schtasks.exe 5004 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,-751 = "Tonga Daylight Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.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,-2182 = "Astrakhan 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight 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,-449 = "Azerbaijan Standard Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight 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" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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,-2372 = "Easter Island Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1312 powershell.exe 1312 powershell.exe 3260 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 3260 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 2556 powershell.exe 2556 powershell.exe 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 2408 powershell.exe 2408 powershell.exe 340 powershell.exe 340 powershell.exe 2580 powershell.exe 2580 powershell.exe 2008 powershell.exe 2008 powershell.exe 4052 powershell.exe 4052 powershell.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe 2084 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 1312 powershell.exe Token: SeDebugPrivilege 3260 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Token: SeImpersonatePrivilege 3260 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe Token: SeDebugPrivilege 2556 powershell.exe Token: SeDebugPrivilege 2408 powershell.exe Token: SeDebugPrivilege 340 powershell.exe Token: SeDebugPrivilege 2580 powershell.exe Token: SeDebugPrivilege 2008 powershell.exe Token: SeDebugPrivilege 4052 powershell.exe Token: SeSecurityPrivilege 4560 sc.exe Token: SeSecurityPrivilege 4560 sc.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 3260 wrote to memory of 1312 3260 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 82 PID 3260 wrote to memory of 1312 3260 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 82 PID 3260 wrote to memory of 1312 3260 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 82 PID 2728 wrote to memory of 2556 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 90 PID 2728 wrote to memory of 2556 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 90 PID 2728 wrote to memory of 2556 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 90 PID 2728 wrote to memory of 4040 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 92 PID 2728 wrote to memory of 4040 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 92 PID 4040 wrote to memory of 4560 4040 cmd.exe 94 PID 4040 wrote to memory of 4560 4040 cmd.exe 94 PID 2728 wrote to memory of 2408 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 95 PID 2728 wrote to memory of 2408 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 95 PID 2728 wrote to memory of 2408 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 95 PID 2728 wrote to memory of 340 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 97 PID 2728 wrote to memory of 340 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 97 PID 2728 wrote to memory of 340 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 97 PID 2728 wrote to memory of 4736 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 99 PID 2728 wrote to memory of 4736 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 99 PID 2728 wrote to memory of 4736 2728 929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe 99 PID 3652 wrote to memory of 2344 3652 windefender.exe 116 PID 3652 wrote to memory of 2344 3652 windefender.exe 116 PID 3652 wrote to memory of 2344 3652 windefender.exe 116 PID 2344 wrote to memory of 4560 2344 cmd.exe 117 PID 2344 wrote to memory of 4560 2344 cmd.exe 117 PID 2344 wrote to memory of 4560 2344 cmd.exe 117 -
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\929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe"C:\Users\Admin\AppData\Local\Temp\929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1312
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C:\Users\Admin\AppData\Local\Temp\929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.exe"C:\Users\Admin\AppData\Local\Temp\929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3.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:2728 -
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:2556
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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:4040 -
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:4560
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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:2408
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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:340
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
PID:4736 -
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:2580
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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:1624
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2264
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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:2008
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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:4052
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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⤵
- Suspicious behavior: EnumeratesProcesses
PID:2084
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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:5004
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Suspicious use of WriteProcessMemory
PID:3652 -
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:2344 -
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:4560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3260 -s 9282⤵
- Program crash
PID:2968
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3260 -ip 32601⤵PID:4052
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Modifies data under HKEY_USERS
PID:760
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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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
MD50b478b376045e0a2a193ef947d6092b6
SHA1a36bb709532c2fb37705cffd8ef9cb638fcbfaa4
SHA256bb0fdfcd59b958f4c29c20df0878e2363162a272eb25f1a8a3c137c22a7cd0d9
SHA512714c63b96513c3e1ba6d5e1867b528dedade98e011edfc3547e718dd034c5c38c3ff4736f62f3fef158b4911b78bd5472e212440390b321068d5351a27f1845e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ed928f7745eafd39e8e291e651a1e394
SHA1ebb072863c985fdb54731bb2a6a9563f701e5032
SHA2569640e57ea7fe437ee97867d38d4a80e21ed6f81bed8d84f20a58b85cc0f19555
SHA512d21e3c73ff2658faf291918ba7e0e825e0e4ea31bf8bd69d299d00f13a0e7cb3388524b6264ceabfb3a0c04d18c4d903b698d3d1cc473c0cf2f37d8603186a53
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5003f8204cf5a06aabfd805c0b5d19667
SHA1c228b8ea82eab4a41d422d06a1eaf4152b431889
SHA256076e92cd3cbb9423eb13e2b1c21d311855a2e2bc99cc2f54df7a4bd229fb98cb
SHA5127626a9c9118335bef491ba8d79a63739cf18503a7a139960d7e5cb43ff9da6ee3da3686e0895703f12964fd2c52ca7f049c4b66ee68a02fbc1878028d86267a7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD577d49ed08e74745e0853ff0d1f6aa00e
SHA14f931f094e01dc54d68f5651371b4720b171b4d1
SHA256289216ce4999c2d0b8bb6606d7ef994165b93d2929d3d6e63e72342be543e633
SHA512af578e0eb5f54d3c7c48c4450fd03cb0edeabde1e3a18bfd7b2b47a3321adb342d93f3455c308596592507812d7ea07c277acb042d1f7308c9c6a828f9dea7fe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5074f2d0ce62528ff8ed1a1e384819d3f
SHA1ad0fdab0cf741bb60814713afc525d983feb8005
SHA256e38fa78f3e13c9d23f7237f536b987166630f8af57d34dcf1e7fbb0e4d776ed9
SHA5121aa1b62c3a0e797413f3515b556d7a08600c9f227b8b24bba16aaf642b217f07b5d6a9ce17b9db018d4c10f3733c99a664607b4580aad4a17e55cefa4e3ad589
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Filesize
4.1MB
MD5eb81e3a253f9e9cd46d14d85ed54718b
SHA15d5c3a7469d2e259633cab0fd2bc26dd4763c6b6
SHA256929a83ed6800783bedea3c2d7d5b10be16319727136431de87c4bdbab9d4dad3
SHA512ada6b8e8271d1d706037cf27eeb1b030dda6e213228fa57154f1732e7ddb640871ae94844e368e2f633e32cd1e0d28c0526309c3584b2d7babf744a42a675414