Analysis
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max time kernel
149s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 12:45
Static task
static1
Behavioral task
behavioral1
Sample
e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe
Resource
win10v2004-20240508-en
General
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Target
e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe
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Size
4.1MB
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MD5
fe9d984e37dfe8bfd868c7269cf74e70
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SHA1
171a98e62b4212f7c2c7f4f8908690b299c6eecc
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SHA256
e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e
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SHA512
b8fde8258f6cf1cb8e9d89b63b789b573392c21b8fa84e8051d1e7d81d7f1090c7fbf2a4c8d82f9c3f5d239aed05f65a2a792007b93524e8150a468eecc7b3d3
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SSDEEP
98304:nBVs1p4PpCxl89qkqVHLjfQjDTn2r+Nbm:Ba1p4P0l8MfVLMTrm
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3500-2-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral1/memory/3500-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3500-28-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3500-58-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral1/memory/3500-57-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3500-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5052-69-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5052-135-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1984-150-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1984-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1984-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1984-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1984-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1984-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1984-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1984-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1984-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1984-250-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1984-253-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2432 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1984 csrss.exe 1584 injector.exe 4952 windefender.exe 4396 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233f2-222.dat upx behavioral1/memory/4952-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4396-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4952-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4396-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4396-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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 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 -
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 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe File created C:\Windows\rss\csrss.exe e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.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 1028 sc.exe -
pid Process 4500 powershell.exe 1872 powershell.exe 5044 powershell.exe 2436 powershell.exe 4616 powershell.exe 4400 powershell.exe 2640 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 2360 schtasks.exe 3764 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,-231 = "Hawaiian Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.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,-541 = "Myanmar Daylight 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\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4400 powershell.exe 4400 powershell.exe 3500 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 3500 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 2640 powershell.exe 2640 powershell.exe 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 4500 powershell.exe 4500 powershell.exe 1872 powershell.exe 1872 powershell.exe 5044 powershell.exe 5044 powershell.exe 2436 powershell.exe 2436 powershell.exe 4616 powershell.exe 4616 powershell.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1984 csrss.exe 1984 csrss.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1984 csrss.exe 1984 csrss.exe 1584 injector.exe 1584 injector.exe 1984 csrss.exe 1984 csrss.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe 1584 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4400 powershell.exe Token: SeDebugPrivilege 3500 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Token: SeImpersonatePrivilege 3500 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Token: SeDebugPrivilege 2640 powershell.exe Token: SeDebugPrivilege 4500 powershell.exe Token: SeDebugPrivilege 1872 powershell.exe Token: SeDebugPrivilege 5044 powershell.exe Token: SeDebugPrivilege 2436 powershell.exe Token: SeDebugPrivilege 4616 powershell.exe Token: SeSystemEnvironmentPrivilege 1984 csrss.exe Token: SeSecurityPrivilege 1028 sc.exe Token: SeSecurityPrivilege 1028 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3500 wrote to memory of 4400 3500 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 87 PID 3500 wrote to memory of 4400 3500 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 87 PID 3500 wrote to memory of 4400 3500 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 87 PID 5052 wrote to memory of 2640 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 93 PID 5052 wrote to memory of 2640 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 93 PID 5052 wrote to memory of 2640 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 93 PID 5052 wrote to memory of 1688 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 95 PID 5052 wrote to memory of 1688 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 95 PID 1688 wrote to memory of 2432 1688 cmd.exe 97 PID 1688 wrote to memory of 2432 1688 cmd.exe 97 PID 5052 wrote to memory of 4500 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 99 PID 5052 wrote to memory of 4500 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 99 PID 5052 wrote to memory of 4500 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 99 PID 5052 wrote to memory of 1872 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 101 PID 5052 wrote to memory of 1872 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 101 PID 5052 wrote to memory of 1872 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 101 PID 5052 wrote to memory of 1984 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 103 PID 5052 wrote to memory of 1984 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 103 PID 5052 wrote to memory of 1984 5052 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 103 PID 1984 wrote to memory of 5044 1984 csrss.exe 104 PID 1984 wrote to memory of 5044 1984 csrss.exe 104 PID 1984 wrote to memory of 5044 1984 csrss.exe 104 PID 1984 wrote to memory of 2436 1984 csrss.exe 110 PID 1984 wrote to memory of 2436 1984 csrss.exe 110 PID 1984 wrote to memory of 2436 1984 csrss.exe 110 PID 1984 wrote to memory of 4616 1984 csrss.exe 112 PID 1984 wrote to memory of 4616 1984 csrss.exe 112 PID 1984 wrote to memory of 4616 1984 csrss.exe 112 PID 1984 wrote to memory of 1584 1984 csrss.exe 114 PID 1984 wrote to memory of 1584 1984 csrss.exe 114 PID 4952 wrote to memory of 4500 4952 windefender.exe 120 PID 4952 wrote to memory of 4500 4952 windefender.exe 120 PID 4952 wrote to memory of 4500 4952 windefender.exe 120 PID 4500 wrote to memory of 1028 4500 cmd.exe 121 PID 4500 wrote to memory of 1028 4500 cmd.exe 121 PID 4500 wrote to memory of 1028 4500 cmd.exe 121 -
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\e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe"C:\Users\Admin\AppData\Local\Temp\e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3500 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4400
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C:\Users\Admin\AppData\Local\Temp\e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe"C:\Users\Admin\AppData\Local\Temp\e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.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:5052 -
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:2640
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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:1688 -
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:2432
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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:4500
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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:1872
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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:1984 -
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:5044
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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:2360
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2772
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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:2436
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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:4616
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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:1584
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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:3764
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4952 -
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:4500 -
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:1028
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4396
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53e60d75b5eb1c718e4386ddf9cb1a66c
SHA18abeb148dacbf63566e0d033c17cf4c03fc66af0
SHA25640d9f5003227cbd270b7f4a95c797fc6d5834bb3c30825dfda571da30c34d545
SHA51255554e38a602dedfffebecda9557e4a7975c10727a01a5604940dc20aaa442c1449198acaea6ab064ceb8b9f0430af299c1aaee8d2780889f6dcf4f9669fc80c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59e439a6d06f22a17f95c3504788119fc
SHA1e539cd6aa39799e8c8278f62ea80f74c2de7ecda
SHA25691d4be1a999be918b405e346a702c50199d09feae62d751c7dbb09b4be0ec084
SHA51244c8acd523108d11c59f36508c326352f9941dc66e9f856371cf5eb4c769117b707c82563bf9d77d89a65e3b7ff255836629fdda0878e7ec89ca20480fc78ec7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5730c3e57eba45b1fd73d26237a4817b1
SHA1b051465b252478b7bc4be3822b39bfc0da13ed8f
SHA256d5259f24a8095e5125d30764302f71d187af05157ed554d9735688d690972134
SHA5129a3c1f1a736edc4134d8ed622490fdec66dfed1319bdf9e14cf09e208e0afd90ba64938de136557367ed2e2cfecd752b840bd5b8ec74e5c4fe997dc0496f8fa5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD503652e56ee7f7325a67a7f47e6331e04
SHA15c4adb004d8ea6c4c3feaba01bc5135deca1faae
SHA2560bb0ff93ecd55979c7f2b7327da47a1aebf0a7d312ace04ddb371e5f14a9b0d0
SHA512ad54e37088a9121d99737681ef50299b12a0016a77a091a2898bf51af68a260464742f73ae4570872191d11a4851ad5d91cdc164133ebe5516d0935d9867985e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dead1cc7b544cc09ae7842eb2f7db24a
SHA18134789a253b68d40bf191664b8e86f47f716a1f
SHA2566d18c3da216b5d9b7b1055c348c80fb13ac74bd7dcc3fc3ee2fe7f2ea22aa4c4
SHA512fffd08c74ead23021ddb922b302e1bb6f1fe249a8fe61885fef461827604d8088097be99292b7fb316110f8771a7790046d8119fb4903e1c43291698f54b83c9
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Filesize
4.1MB
MD5fe9d984e37dfe8bfd868c7269cf74e70
SHA1171a98e62b4212f7c2c7f4f8908690b299c6eecc
SHA256e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e
SHA512b8fde8258f6cf1cb8e9d89b63b789b573392c21b8fa84e8051d1e7d81d7f1090c7fbf2a4c8d82f9c3f5d239aed05f65a2a792007b93524e8150a468eecc7b3d3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec