Analysis
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max time kernel
150s -
max time network
123s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
03-05-2024 09:54
Static task
static1
Behavioral task
behavioral1
Sample
667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe
Resource
win10v2004-20240419-en
General
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Target
667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe
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Size
4.2MB
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MD5
9e3ef6df4c21dc6f9353427c8a5370f6
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SHA1
523e17f65f0f50893b54f789de8ea3bd52c641bc
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SHA256
667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362
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SHA512
85030be137a11f41495e4b94b203d5baefabcc0c3287d1b56fdcdc40a7b67fd2b452adfea078d659180f7b3e5679a03490e3fd9ed7a94c5c46934f6541edffec
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SSDEEP
98304:YpPTLozT4DXVitCjdetoUEoYzLBpzmKVzO267kZw:sTTEthovoYzV5VzN6
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1376-2-0x0000000003F20000-0x000000000480B000-memory.dmp family_glupteba behavioral2/memory/1376-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1376-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1376-54-0x0000000003F20000-0x000000000480B000-memory.dmp family_glupteba behavioral2/memory/1376-51-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/716-125-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3924-203-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3924-213-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3924-214-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3924-217-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3924-219-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3924-221-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3924-222-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3924-225-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3924-227-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3924-229-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3924-230-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3924-233-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/3924-235-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4288 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3924 csrss.exe 2108 injector.exe 1352 windefender.exe 3456 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1c-206.dat upx behavioral2/memory/1352-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3456-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1352-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3456-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3456-218-0x0000000000400000-0x00000000008DF000-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\"" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.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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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 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe File created C:\Windows\rss\csrss.exe 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.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 4820 sc.exe -
pid Process 668 powershell.exe 4960 powershell.exe 5048 powershell.exe 4572 powershell.exe 4192 powershell.exe 1544 powershell.exe 4152 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 3312 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,-512 = "Central Asia Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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\ProxyBypass = "1" 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\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin 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\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4152 powershell.exe 4152 powershell.exe 1376 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 1376 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 668 powershell.exe 668 powershell.exe 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 4960 powershell.exe 4960 powershell.exe 5048 powershell.exe 5048 powershell.exe 4572 powershell.exe 4572 powershell.exe 4192 powershell.exe 4192 powershell.exe 1544 powershell.exe 1544 powershell.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 3924 csrss.exe 3924 csrss.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 3924 csrss.exe 3924 csrss.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 3924 csrss.exe 3924 csrss.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe 2108 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4152 powershell.exe Token: SeDebugPrivilege 1376 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Token: SeImpersonatePrivilege 1376 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Token: SeDebugPrivilege 668 powershell.exe Token: SeDebugPrivilege 4960 powershell.exe Token: SeDebugPrivilege 5048 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 4192 powershell.exe Token: SeDebugPrivilege 1544 powershell.exe Token: SeSystemEnvironmentPrivilege 3924 csrss.exe Token: SeSecurityPrivilege 4820 sc.exe Token: SeSecurityPrivilege 4820 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1376 wrote to memory of 4152 1376 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 80 PID 1376 wrote to memory of 4152 1376 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 80 PID 1376 wrote to memory of 4152 1376 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 80 PID 716 wrote to memory of 668 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 86 PID 716 wrote to memory of 668 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 86 PID 716 wrote to memory of 668 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 86 PID 716 wrote to memory of 1256 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 88 PID 716 wrote to memory of 1256 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 88 PID 1256 wrote to memory of 4288 1256 cmd.exe 90 PID 1256 wrote to memory of 4288 1256 cmd.exe 90 PID 716 wrote to memory of 4960 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 91 PID 716 wrote to memory of 4960 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 91 PID 716 wrote to memory of 4960 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 91 PID 716 wrote to memory of 5048 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 93 PID 716 wrote to memory of 5048 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 93 PID 716 wrote to memory of 5048 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 93 PID 716 wrote to memory of 3924 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 95 PID 716 wrote to memory of 3924 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 95 PID 716 wrote to memory of 3924 716 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 95 PID 3924 wrote to memory of 4572 3924 csrss.exe 96 PID 3924 wrote to memory of 4572 3924 csrss.exe 96 PID 3924 wrote to memory of 4572 3924 csrss.exe 96 PID 3924 wrote to memory of 4192 3924 csrss.exe 102 PID 3924 wrote to memory of 4192 3924 csrss.exe 102 PID 3924 wrote to memory of 4192 3924 csrss.exe 102 PID 3924 wrote to memory of 1544 3924 csrss.exe 104 PID 3924 wrote to memory of 1544 3924 csrss.exe 104 PID 3924 wrote to memory of 1544 3924 csrss.exe 104 PID 3924 wrote to memory of 2108 3924 csrss.exe 106 PID 3924 wrote to memory of 2108 3924 csrss.exe 106 PID 1352 wrote to memory of 276 1352 windefender.exe 112 PID 1352 wrote to memory of 276 1352 windefender.exe 112 PID 1352 wrote to memory of 276 1352 windefender.exe 112 PID 276 wrote to memory of 4820 276 cmd.exe 113 PID 276 wrote to memory of 4820 276 cmd.exe 113 PID 276 wrote to memory of 4820 276 cmd.exe 113 -
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\667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe"C:\Users\Admin\AppData\Local\Temp\667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4152
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C:\Users\Admin\AppData\Local\Temp\667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe"C:\Users\Admin\AppData\Local\Temp\667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.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:716 -
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:668
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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:1256 -
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:4288
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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:4960
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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:5048
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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:3924 -
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:4572
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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:1340
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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:4192
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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:1544
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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:2108
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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:3312
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1352 -
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:276 -
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:4820
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3456
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fb21f9d4c176da68c17ac13e61a3266c
SHA19368b65b0e97452808562e882ffe47b8762caa40
SHA2566dda9bd2f3e5872e8ef24e078995c3885e6c4a0bf84624729e063271db7a1bc7
SHA512c9e0b5aca49c364eef32544ed8749fb4fb3a1e01dcb0c5502259ba538be069140f24193114a854d47543ea8f9ca4d457feb8602bc33375b04bafc6c9972ca6a5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ed73b92f78ab955a2a10e928df5ec878
SHA103561f6498dc8fb559b0b565865baf97c5aa6bf3
SHA256440e3968e85c1608569e1cd344fc145112a15686ee5cd461636093a75133d473
SHA51299ec6aea44a68b453385c5f4e6ec34aee4b22f9ef9ad3fdf0142c07287b691e43f0224290bdc0920a057d07b65e5408eb661fd6e0a14dd9a95a532b7583fa3bd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5393f081ff7fd2f764bbf1d1e59bb2dfd
SHA1c70c1ca6bd7b8eb75a36e8d0984edd7d5963f1e6
SHA256dfb36b3cc59696fe961c21b95841fdca15d5acb26975a8ae6c751a8789f88036
SHA512a103ba3fa7dc36869b892d7d9f93cc6cc2405011ed1702b59f6e030c12b68fae4373874bc3071a7e068fd6dede3e012cc87445391da99b70f14c951aef055b15
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54d1e739bdcf944fbaa8dfce9b6a703a5
SHA1a45553f7afe042fc5cea5f78efe90b85db396516
SHA2568a8ab0c2dfdf3b44c9a41b3cc61749661e9a4c454931b97a63c85b65a078f1a9
SHA5123b80c8189f0af6ef5563f84eb12531ae8712aae226712c062ea26b6948e1ef06888abbc74e76bae407e1a6d5191858b73189b4fc2ade481d7f8083d0e3964645
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5396fbdc64d48ed1fa5a51e9468dbbc5e
SHA11a7507a15ea981f950246a63ab39528769470e17
SHA2560fe885295cf363c25a6237b6868642b292d59a89c0e67accdfcf24f51f8c0d17
SHA5125e01844f206feca7e63f05a484453b24ca8cc39a948bac3299bb76abad770378de179d25d9cdb31552bc7f97f080fce8a793b0200d5b2ce9bf31d6e2460130af
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Filesize
4.2MB
MD59e3ef6df4c21dc6f9353427c8a5370f6
SHA1523e17f65f0f50893b54f789de8ea3bd52c641bc
SHA256667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362
SHA51285030be137a11f41495e4b94b203d5baefabcc0c3287d1b56fdcdc40a7b67fd2b452adfea078d659180f7b3e5679a03490e3fd9ed7a94c5c46934f6541edffec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec