Analysis
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max time kernel
150s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
18/04/2024, 20:22
Static task
static1
Behavioral task
behavioral1
Sample
3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe
Resource
win10v2004-20240412-en
General
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Target
3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe
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Size
4.2MB
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MD5
0e54f6c95aa3783069b0810bcb5964c9
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SHA1
f4ca6805974977f1a3e2a2d80f2d08104e944646
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SHA256
3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064
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SHA512
206a8e2628b6881fc84f0f044d007536e7f1c096a31b90d869098541056761e5f222c15000d1eb1d1819a88b5a88b9bc856b0ad7ecced5d1292111250fda7949
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SSDEEP
98304:uRe06RCZ8qdKnAdKFoI0tkW+Km95muXXLdVYjOy3P9UG:zUuqUAddtM55murAiy97
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/2312-2-0x0000000005140000-0x0000000005A2B000-memory.dmp family_glupteba behavioral1/memory/2312-3-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2312-25-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2312-56-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2312-58-0x0000000005140000-0x0000000005A2B000-memory.dmp family_glupteba behavioral1/memory/2372-59-0x0000000003340000-0x0000000003740000-memory.dmp family_glupteba behavioral1/memory/2372-60-0x00000000050E0000-0x00000000059CB000-memory.dmp family_glupteba behavioral1/memory/2372-61-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2372-76-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2372-110-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/2372-156-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4772-244-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4772-264-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4772-272-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4772-274-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4772-276-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4772-278-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3040 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4772 csrss.exe 4972 injector.exe 2360 windefender.exe 4048 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023401-267.dat upx behavioral1/memory/2360-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4048-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4048-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\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 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe File created C:\Windows\rss\csrss.exe 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.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 4748 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3896 2312 WerFault.exe 82 3004 2372 WerFault.exe 93 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2944 schtasks.exe 2956 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\26\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.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\26\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" 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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\26\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2724 powershell.exe 2724 powershell.exe 2312 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2312 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2168 powershell.exe 2168 powershell.exe 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 3636 powershell.exe 3636 powershell.exe 4664 powershell.exe 4664 powershell.exe 1668 powershell.exe 1668 powershell.exe 2852 powershell.exe 2852 powershell.exe 4168 powershell.exe 4168 powershell.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4772 csrss.exe 4772 csrss.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4772 csrss.exe 4772 csrss.exe 4972 injector.exe 4972 injector.exe 4772 csrss.exe 4772 csrss.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2724 powershell.exe Token: SeDebugPrivilege 2312 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Token: SeImpersonatePrivilege 2312 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Token: SeDebugPrivilege 2168 powershell.exe Token: SeDebugPrivilege 3636 powershell.exe Token: SeDebugPrivilege 4664 powershell.exe Token: SeDebugPrivilege 1668 powershell.exe Token: SeDebugPrivilege 2852 powershell.exe Token: SeDebugPrivilege 4168 powershell.exe Token: SeSystemEnvironmentPrivilege 4772 csrss.exe Token: SeSecurityPrivilege 4748 sc.exe Token: SeSecurityPrivilege 4748 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2312 wrote to memory of 2724 2312 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 89 PID 2312 wrote to memory of 2724 2312 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 89 PID 2312 wrote to memory of 2724 2312 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 89 PID 2372 wrote to memory of 2168 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 97 PID 2372 wrote to memory of 2168 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 97 PID 2372 wrote to memory of 2168 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 97 PID 2372 wrote to memory of 1708 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 100 PID 2372 wrote to memory of 1708 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 100 PID 1708 wrote to memory of 3040 1708 cmd.exe 102 PID 1708 wrote to memory of 3040 1708 cmd.exe 102 PID 2372 wrote to memory of 3636 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 103 PID 2372 wrote to memory of 3636 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 103 PID 2372 wrote to memory of 3636 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 103 PID 2372 wrote to memory of 4664 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 105 PID 2372 wrote to memory of 4664 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 105 PID 2372 wrote to memory of 4664 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 105 PID 2372 wrote to memory of 4772 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 107 PID 2372 wrote to memory of 4772 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 107 PID 2372 wrote to memory of 4772 2372 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 107 PID 4772 wrote to memory of 1668 4772 csrss.exe 110 PID 4772 wrote to memory of 1668 4772 csrss.exe 110 PID 4772 wrote to memory of 1668 4772 csrss.exe 110 PID 4772 wrote to memory of 2852 4772 csrss.exe 116 PID 4772 wrote to memory of 2852 4772 csrss.exe 116 PID 4772 wrote to memory of 2852 4772 csrss.exe 116 PID 4772 wrote to memory of 4168 4772 csrss.exe 118 PID 4772 wrote to memory of 4168 4772 csrss.exe 118 PID 4772 wrote to memory of 4168 4772 csrss.exe 118 PID 4772 wrote to memory of 4972 4772 csrss.exe 120 PID 4772 wrote to memory of 4972 4772 csrss.exe 120 PID 2360 wrote to memory of 4544 2360 windefender.exe 126 PID 2360 wrote to memory of 4544 2360 windefender.exe 126 PID 2360 wrote to memory of 4544 2360 windefender.exe 126 PID 4544 wrote to memory of 4748 4544 cmd.exe 127 PID 4544 wrote to memory of 4748 4544 cmd.exe 127 PID 4544 wrote to memory of 4748 4544 cmd.exe 127 -
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\3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe"C:\Users\Admin\AppData\Local\Temp\3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2724
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C:\Users\Admin\AppData\Local\Temp\3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe"C:\Users\Admin\AppData\Local\Temp\3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.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:2372 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2168
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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:1708 -
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:3040
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3636
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4664
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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:4772 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1668
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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:2944
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5112
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2852
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4168
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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:4972
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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:2956
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2360 -
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:4544 -
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:4748
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 8563⤵
- Program crash
PID:3004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 9442⤵
- Program crash
PID:3896
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2312 -ip 23121⤵PID:4652
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2372 -ip 23721⤵PID:1844
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4048
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
MD5be88841f8f776d919166968719863254
SHA1004fbfa081275f674a1f8e212e7677bbb5520370
SHA2561cafea100a1bb75dde341ab56652b3c20c208c91e1bdbeed427b360fe32dd88b
SHA512eb3ca6ae081050ce99e665e16363289b3ba635b5e4cecad0c5737d3c2191c1fc681cbb02c768c6cc41d8e394b9f08862a0378c157fdccc1c2029e7cea330e2e8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bb1ce80ac26eef6bd94bb4c1bf2143e2
SHA1a3075d80bbb69b80e403ba2db9b33ceca5d0b05c
SHA2565d0f370fe61268cdcd5d75eaf2909ab1fb86c398b84dcb53c518b5c6c35f3435
SHA5128c4af2c96493f1b1f5a5c29b8a5cab549b4e779a9be4a87004fc83bfbffe68692326472b5103ed17416934ba71fc40547c6132869fb0aa7ce65f4d4c56649b2b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e932c725626e5d666ad9968fbde9dbfb
SHA1aa53254e1c000097d8c46cce9b65c7339589f0be
SHA256405520bdd6281b08a71b1840a0cefdb55193420658be554fdd7ba31b9b82ba05
SHA51295ff38e6485cb7b876005da9fdca5280c09ac550a60696397f5df908addef17e9a941b2848753d6293507455a1c9f11d02da3ee1f366309da1eab6cfc7d527cc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58401c3fa298290437fd3ac88aeddcca4
SHA14fb304379903ab2903c069d86ef3652df5db74fa
SHA256cb17f92c980f188ac8805fef3f174b121e6d17523ef697f92fdafbe734e91228
SHA5124b35e68b1e3b1eb172e9f42718ec335fe5dac444fb8d3dd427f270b21f9ff0590f68d0095732a021773cb4f9f95fc7cb6d3fec23784f2db0bf8a59df68f3592f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c9e46b72e3475c231303a997a85a4875
SHA1cc818b0de8936ea0cda055fa5196d86ed63f2b16
SHA25631cc137e24afb28010eac616a60aebf3e654de85f4ee7187b86ae75c993c01fa
SHA512983b3b75ac180d8dffc5d2765366f972aa8ebe22364099c8c591eb53d2e2e910808e21016b7e8c39b2030862d1259b09b6cf0ad7f01c934f46fb5df81738104a
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Filesize
4.2MB
MD50e54f6c95aa3783069b0810bcb5964c9
SHA1f4ca6805974977f1a3e2a2d80f2d08104e944646
SHA2563e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064
SHA512206a8e2628b6881fc84f0f044d007536e7f1c096a31b90d869098541056761e5f222c15000d1eb1d1819a88b5a88b9bc856b0ad7ecced5d1292111250fda7949
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec