Analysis
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max time kernel
151s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240319-en -
resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system -
submitted
11/04/2024, 07:03
Static task
static1
Behavioral task
behavioral1
Sample
2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe
Resource
win10v2004-20240319-en
General
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Target
2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe
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Size
4.2MB
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MD5
ea7f243705934fdb4c00efd09d1da389
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SHA1
32458a485bf4cca794dde36315c3cdef02731290
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SHA256
2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016
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SHA512
2a209497327427e1e878800f9219494a6b98f0a63cf69578aecbd183a879b671fe5453658dd751b3d005024d81fc43d35c7c4d06ba011afcd7e6c7a081232b66
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SSDEEP
98304:+hlZPZO8rUglgWlvDuL9EjCTLfvfZJk1uBwgP5y5iIc:APZFggzvDtmhQrgP5uiz
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1688-2-0x0000000005190000-0x0000000005A7B000-memory.dmp family_glupteba behavioral1/memory/1688-3-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1688-55-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1500-58-0x0000000005180000-0x0000000005A6B000-memory.dmp family_glupteba behavioral1/memory/1500-59-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1500-88-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1500-118-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1500-123-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1500-150-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1500-157-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1164-226-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1164-261-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1164-270-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1164-271-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1164-274-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1164-276-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1164-278-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1164-280-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1164-282-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba behavioral1/memory/1164-284-0x0000000000400000-0x000000000310A000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 916 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1164 csrss.exe 5044 injector.exe 600 windefender.exe 2288 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023370-264.dat upx behavioral1/memory/600-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2288-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2288-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\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 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe File created C:\Windows\rss\csrss.exe 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.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 1872 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2140 1688 WerFault.exe 88 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2272 schtasks.exe 392 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\22\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\22\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5032 powershell.exe 5032 powershell.exe 5032 powershell.exe 1688 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1688 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 4960 powershell.exe 4960 powershell.exe 4960 powershell.exe 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 3428 powershell.exe 3428 powershell.exe 3428 powershell.exe 4620 powershell.exe 4620 powershell.exe 4620 powershell.exe 4956 powershell.exe 4956 powershell.exe 4956 powershell.exe 1480 powershell.exe 1480 powershell.exe 1480 powershell.exe 1324 powershell.exe 1324 powershell.exe 1324 powershell.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 1164 csrss.exe 1164 csrss.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 1164 csrss.exe 1164 csrss.exe 5044 injector.exe 5044 injector.exe 1164 csrss.exe 1164 csrss.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe 5044 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5032 powershell.exe Token: SeDebugPrivilege 1688 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Token: SeImpersonatePrivilege 1688 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe Token: SeDebugPrivilege 4960 powershell.exe Token: SeDebugPrivilege 3428 powershell.exe Token: SeDebugPrivilege 4620 powershell.exe Token: SeDebugPrivilege 4956 powershell.exe Token: SeDebugPrivilege 1480 powershell.exe Token: SeDebugPrivilege 1324 powershell.exe Token: SeSystemEnvironmentPrivilege 1164 csrss.exe Token: SeSecurityPrivilege 1872 sc.exe Token: SeSecurityPrivilege 1872 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1688 wrote to memory of 5032 1688 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 94 PID 1688 wrote to memory of 5032 1688 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 94 PID 1688 wrote to memory of 5032 1688 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 94 PID 1500 wrote to memory of 4960 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 113 PID 1500 wrote to memory of 4960 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 113 PID 1500 wrote to memory of 4960 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 113 PID 1500 wrote to memory of 3132 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 115 PID 1500 wrote to memory of 3132 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 115 PID 3132 wrote to memory of 916 3132 cmd.exe 117 PID 3132 wrote to memory of 916 3132 cmd.exe 117 PID 1500 wrote to memory of 3428 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 118 PID 1500 wrote to memory of 3428 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 118 PID 1500 wrote to memory of 3428 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 118 PID 1500 wrote to memory of 4620 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 121 PID 1500 wrote to memory of 4620 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 121 PID 1500 wrote to memory of 4620 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 121 PID 1500 wrote to memory of 1164 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 124 PID 1500 wrote to memory of 1164 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 124 PID 1500 wrote to memory of 1164 1500 2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe 124 PID 1164 wrote to memory of 4956 1164 csrss.exe 125 PID 1164 wrote to memory of 4956 1164 csrss.exe 125 PID 1164 wrote to memory of 4956 1164 csrss.exe 125 PID 1164 wrote to memory of 1480 1164 csrss.exe 131 PID 1164 wrote to memory of 1480 1164 csrss.exe 131 PID 1164 wrote to memory of 1480 1164 csrss.exe 131 PID 1164 wrote to memory of 1324 1164 csrss.exe 145 PID 1164 wrote to memory of 1324 1164 csrss.exe 145 PID 1164 wrote to memory of 1324 1164 csrss.exe 145 PID 1164 wrote to memory of 5044 1164 csrss.exe 136 PID 1164 wrote to memory of 5044 1164 csrss.exe 136 PID 600 wrote to memory of 1732 600 windefender.exe 142 PID 600 wrote to memory of 1732 600 windefender.exe 142 PID 600 wrote to memory of 1732 600 windefender.exe 142 PID 1732 wrote to memory of 1872 1732 cmd.exe 143 PID 1732 wrote to memory of 1872 1732 cmd.exe 143 PID 1732 wrote to memory of 1872 1732 cmd.exe 143 -
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\2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe"C:\Users\Admin\AppData\Local\Temp\2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5032
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C:\Users\Admin\AppData\Local\Temp\2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.exe"C:\Users\Admin\AppData\Local\Temp\2bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016.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:1500 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4960
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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:3132 -
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:916
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3428
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4620
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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:1164 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4956
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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:2272
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3992
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1480
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1324
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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: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:392
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:600 -
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:1732 -
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:1872
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 9242⤵
- Program crash
PID:2140
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1688 -ip 16881⤵PID:2652
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3392 --field-trial-handle=2148,i,1752153415760610784,11376271161549019716,262144 --variations-seed-version /prefetch:81⤵PID:3200
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2288
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:1324
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
MD5774cd336afe4940f013223957f2e9412
SHA107d6d19bb4ab30526cae178abea6ac4c6945d909
SHA25687f73fa2915a42bb1171ec5c869ca7bf3742176c2631980a6c2ecce4eedcf81e
SHA5120763b7602e22e5a968f649256dfc9a5a6d9673b2dfc215e4ef1c0552cf3eaf7bbf6ba190e2d0035fbbaaa960df0677be0e14516719bd265cc1f18a0accdbdf07
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b4bf01adf4fa95e04b2e30d223a0a25
SHA1833cd2daa4deb433bae826c18c4cc4fa501296a3
SHA25664a13184ae6259eeb2dc81751e1ef7098613e6998176270e7e3d99baa69ac905
SHA51277017d7fc3d673e95ed35afa0de334064c8bd5715c4ef5091e1d4b19a2952a5a6ef48581a52162ca292081cbef9a218a42f6955611151dfc38824f675c649e33
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51a45b8dbf65c6a77df6002875e1b5685
SHA145994127f08e4ad85f3950df57d6216bf0f905d8
SHA2565007c4365a74921cfabea91ef080815785673df41067759abb152104751c3b70
SHA512963821d8dab43e26550abac4511eca06e65654c8cb2629b79c2a1c8e9dec443602544771e73bfff9e8eb7ca2b44b9ff71992b9bcd20f7d04c7b38ed929966c41
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54fd7f65494db59e591e63573f39f3eb0
SHA1f86df8427482a06c1b71b16673b643cf3ffef217
SHA256a1d4f006066ef9c6943e70098888dee140f1951328c43d8118e3b755c38f6946
SHA512532b6c1e3150449910b3d603caf79d7a9872a38cb3b385db037dc1cbb09a260f256ad8cf615c8e82ea46c71f324a5cd4273fc84b216995dbcfe0a42ac40b7a95
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52640f95f73a5417824a71983131c6821
SHA1b7422dc5e2f07d38d713ff9ac95bd2d4ff17a139
SHA256f54fb0df41c94b71fa03ea2e43003e0ac75c9741e55afeb25f068af71eca5167
SHA512d4c89848d8f642db6eeee6cf343959683aeabc512d4ca313dd0890766e261c3a26320911a66f96871ed2a9ec8323990e5e3251ca5e48d58c3f78a7e2fdf45600
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Filesize
4.2MB
MD5ea7f243705934fdb4c00efd09d1da389
SHA132458a485bf4cca794dde36315c3cdef02731290
SHA2562bc7cc445712d5a8b6858600871fc2f3ebbc47222460e1d381c24bdded56b016
SHA5122a209497327427e1e878800f9219494a6b98f0a63cf69578aecbd183a879b671fe5453658dd751b3d005024d81fc43d35c7c4d06ba011afcd7e6c7a081232b66
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec