Analysis
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max time kernel
150s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-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 behavioral1/memory/4780-2-0x0000000003E20000-0x000000000470B000-memory.dmp family_glupteba behavioral1/memory/4780-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4780-104-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/4780-130-0x0000000003E20000-0x000000000470B000-memory.dmp family_glupteba behavioral1/memory/4812-158-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/4780-197-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1076-215-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/1076-227-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/1076-232-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/1076-235-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/1076-239-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/1076-243-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/1076-246-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/1076-251-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/1076-255-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/1076-259-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/1076-264-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/1076-267-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/1076-271-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1412 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1076 csrss.exe 4932 injector.exe 2916 windefender.exe 4588 windefender.exe -
resource yara_rule behavioral1/files/0x000a000000023bc3-220.dat upx behavioral1/memory/2916-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4588-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2916-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4588-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4588-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4588-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\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 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 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 3028 sc.exe -
pid Process 3684 powershell.exe 4152 powershell.exe 912 powershell.exe 4960 powershell.exe 2504 powershell.exe 4640 powershell.exe 2344 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 2496 schtasks.exe 2608 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,-742 = "New Zealand Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard 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,-1042 = "Ulaanbaatar Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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,-112 = "Eastern Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.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,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3684 powershell.exe 3684 powershell.exe 4780 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 4780 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 4152 powershell.exe 4152 powershell.exe 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 912 powershell.exe 912 powershell.exe 4960 powershell.exe 4960 powershell.exe 4960 powershell.exe 2504 powershell.exe 2504 powershell.exe 4640 powershell.exe 4640 powershell.exe 2344 powershell.exe 2344 powershell.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 1076 csrss.exe 1076 csrss.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 1076 csrss.exe 1076 csrss.exe 4932 injector.exe 4932 injector.exe 1076 csrss.exe 1076 csrss.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe 4932 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3684 powershell.exe Token: SeDebugPrivilege 4780 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Token: SeImpersonatePrivilege 4780 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe Token: SeDebugPrivilege 4152 powershell.exe Token: SeDebugPrivilege 912 powershell.exe Token: SeDebugPrivilege 4960 powershell.exe Token: SeDebugPrivilege 2504 powershell.exe Token: SeDebugPrivilege 4640 powershell.exe Token: SeDebugPrivilege 2344 powershell.exe Token: SeSystemEnvironmentPrivilege 1076 csrss.exe Token: SeSecurityPrivilege 3028 sc.exe Token: SeSecurityPrivilege 3028 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4780 wrote to memory of 3684 4780 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 87 PID 4780 wrote to memory of 3684 4780 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 87 PID 4780 wrote to memory of 3684 4780 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 87 PID 4812 wrote to memory of 4152 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 98 PID 4812 wrote to memory of 4152 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 98 PID 4812 wrote to memory of 4152 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 98 PID 4812 wrote to memory of 4504 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 102 PID 4812 wrote to memory of 4504 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 102 PID 4504 wrote to memory of 1412 4504 cmd.exe 104 PID 4504 wrote to memory of 1412 4504 cmd.exe 104 PID 4812 wrote to memory of 912 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 105 PID 4812 wrote to memory of 912 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 105 PID 4812 wrote to memory of 912 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 105 PID 4812 wrote to memory of 4960 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 107 PID 4812 wrote to memory of 4960 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 107 PID 4812 wrote to memory of 4960 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 107 PID 4812 wrote to memory of 1076 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 109 PID 4812 wrote to memory of 1076 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 109 PID 4812 wrote to memory of 1076 4812 667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362.exe 109 PID 1076 wrote to memory of 2504 1076 csrss.exe 110 PID 1076 wrote to memory of 2504 1076 csrss.exe 110 PID 1076 wrote to memory of 2504 1076 csrss.exe 110 PID 1076 wrote to memory of 4640 1076 csrss.exe 115 PID 1076 wrote to memory of 4640 1076 csrss.exe 115 PID 1076 wrote to memory of 4640 1076 csrss.exe 115 PID 1076 wrote to memory of 2344 1076 csrss.exe 118 PID 1076 wrote to memory of 2344 1076 csrss.exe 118 PID 1076 wrote to memory of 2344 1076 csrss.exe 118 PID 1076 wrote to memory of 4932 1076 csrss.exe 120 PID 1076 wrote to memory of 4932 1076 csrss.exe 120 PID 2916 wrote to memory of 760 2916 windefender.exe 127 PID 2916 wrote to memory of 760 2916 windefender.exe 127 PID 2916 wrote to memory of 760 2916 windefender.exe 127 PID 760 wrote to memory of 3028 760 cmd.exe 128 PID 760 wrote to memory of 3028 760 cmd.exe 128 PID 760 wrote to memory of 3028 760 cmd.exe 128 -
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:4780 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3684
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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:4812 -
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:4152
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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:4504 -
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:1412
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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:912
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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\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:1076 -
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:2504
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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:2496
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2592
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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:4640
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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:2344
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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:4932
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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:2608
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2916 -
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:760 -
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:3028
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4588
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
MD50b237f6a4cf727efac7e7f14e9ed6fe1
SHA14c0a0da148d70c89432f8678e073af482db3d1b2
SHA256093d91a7098f4dde72ccac904022a32b23c04e150f43a69d9ce53336831ca55d
SHA512c11338c67484ab8c318f66282558874e91a17d971b69d07f9635f629c0596da853e686af590c0bd877621ec2645d2ce1c0d7e805f217343a725d107bb2a9264c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD555558aff041ea6113e667527b9c5f206
SHA1c12563a7a67628b75e92b2613915181853c36bd4
SHA25679b662a9b6b1e1ac4aac418ed494dbc5dfe96a2c8576258f05e32fbd32c0f88a
SHA512888b3f027ab0034e02496fe17d769eb945608c6ac9698a8d690b1962a1eafa064b1d7bc55d7e5eec927b82494ed85793c0b705cfe91ddf1bab01af8d94176758
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53561a2015bfce314ac2d4daec440bd9a
SHA1e49cd9892577096fee305d035d406681b60db970
SHA2566fd73406e171d882ac0a96003134bf95b455b1faaca4a57475d474deb9261c50
SHA512f6b15d0091190c36536bfe44f626ebf78d88a8620fc8b78410ad83108fe54737783fc8a772b2a770344928b771b778bd3dd447d33f490f48d43b8aaa9298445b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51eb55b3c64d9ef137ed0123f20d135f0
SHA1b75ed187a616100bd8567a81a3df0d3284a5dd35
SHA256f3cca74d401d67ecda520f25be882b70bd9333ad8795ac7fe13185e21bb1003b
SHA51200fd4052c04f12dc8ee2bb62917be545f99ff7b5939f0c69ae23902bb7e78d779e4ce7c50de2ed3384be82c02d95569b5ecf5c7337fef68ae2acb560f30d7c24
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5472f7c1025010280f460d6ddd183963f
SHA144e4a4bcf4e98d66bbb355b85e8dd8a74825af56
SHA256189ad0a7b180c3b67279b77019f1ed41543791b3ea34167929ba7ae2d2bacf5c
SHA512c10e9b498f03bfe06f81dba4cd7e1725e8b99a82f84b44ed342efc65ca8927e8a4feb09ecc123a49b4b5a1164b8936b9419cb635217bb5929eaed2dfc7e4070d
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Filesize
4.2MB
MD59e3ef6df4c21dc6f9353427c8a5370f6
SHA1523e17f65f0f50893b54f789de8ea3bd52c641bc
SHA256667caa9f3c8eed1a1b9bbe342a951ff040434ee3de87ca4d48df127731bbb362
SHA51285030be137a11f41495e4b94b203d5baefabcc0c3287d1b56fdcdc40a7b67fd2b452adfea078d659180f7b3e5679a03490e3fd9ed7a94c5c46934f6541edffec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec