Analysis
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max time kernel
151s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
04/11/2023, 10:56
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe
Resource
win7-20231020-en
General
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Target
NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe
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Size
4.1MB
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MD5
689b262ef9e51e9d3f5369f8f253f360
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SHA1
a7ad035723c37ae9b08294f88f17e76125c53f5d
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SHA256
ceefae640ffa48560ab9fecb571814bbf621afa93628915cae3a3489d9949efc
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SHA512
1a1fff946c3efdc48289b80ad2f370b58abe6867f87e3713896153d7dc93a242b047ffc26d532f5c9edd166accff9cd61de3817827838fa3632af92594983aec
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SSDEEP
98304:/oCXuU0Ctxo/3uQZNFCwP0+AmBxRy2lgF+CikP:/fXXoGwJN/qikP
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3276-2-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/3276-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3276-24-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3276-27-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/3276-34-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3276-38-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3276-67-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1728-70-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1728-104-0x00000000029A0000-0x0000000002DA3000-memory.dmp family_glupteba behavioral2/memory/1728-119-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1728-162-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1728-165-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2504-202-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2504-264-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2504-270-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2504-279-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2504-281-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2504-283-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2504-285-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4924 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2504 csrss.exe 3320 injector.exe 3548 windefender.exe 1396 windefender.exe -
resource yara_rule behavioral2/files/0x000b000000022e33-273.dat upx behavioral2/files/0x000b000000022e33-275.dat upx behavioral2/files/0x000b000000022e33-276.dat upx behavioral2/memory/3548-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1396-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1396-284-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Set value (str) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe File created C:\Windows\rss\csrss.exe NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.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 2316 sc.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 788 schtasks.exe 1476 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\1a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\1a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\1a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 864 powershell.exe 864 powershell.exe 864 powershell.exe 3276 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 3276 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 3528 powershell.exe 3528 powershell.exe 3528 powershell.exe 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 2788 powershell.exe 2788 powershell.exe 2788 powershell.exe 2084 powershell.exe 2084 powershell.exe 4544 powershell.exe 4544 powershell.exe 3676 powershell.exe 3676 powershell.exe 4972 powershell.exe 4972 powershell.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 2504 csrss.exe 2504 csrss.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 2504 csrss.exe 2504 csrss.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 2504 csrss.exe 2504 csrss.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe 3320 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 864 powershell.exe Token: SeDebugPrivilege 3276 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Token: SeImpersonatePrivilege 3276 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe Token: SeDebugPrivilege 3528 powershell.exe Token: SeDebugPrivilege 2788 powershell.exe Token: SeDebugPrivilege 2084 powershell.exe Token: SeDebugPrivilege 4544 powershell.exe Token: SeDebugPrivilege 3676 powershell.exe Token: SeDebugPrivilege 4972 powershell.exe Token: SeSystemEnvironmentPrivilege 2504 csrss.exe Token: SeSecurityPrivilege 2316 sc.exe Token: SeSecurityPrivilege 2316 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3276 wrote to memory of 864 3276 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 96 PID 3276 wrote to memory of 864 3276 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 96 PID 3276 wrote to memory of 864 3276 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 96 PID 1728 wrote to memory of 3528 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 108 PID 1728 wrote to memory of 3528 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 108 PID 1728 wrote to memory of 3528 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 108 PID 1728 wrote to memory of 684 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 111 PID 1728 wrote to memory of 684 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 111 PID 684 wrote to memory of 4924 684 cmd.exe 113 PID 684 wrote to memory of 4924 684 cmd.exe 113 PID 1728 wrote to memory of 2788 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 115 PID 1728 wrote to memory of 2788 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 115 PID 1728 wrote to memory of 2788 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 115 PID 1728 wrote to memory of 2084 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 117 PID 1728 wrote to memory of 2084 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 117 PID 1728 wrote to memory of 2084 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 117 PID 1728 wrote to memory of 2504 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 119 PID 1728 wrote to memory of 2504 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 119 PID 1728 wrote to memory of 2504 1728 NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe 119 PID 2504 wrote to memory of 4544 2504 csrss.exe 121 PID 2504 wrote to memory of 4544 2504 csrss.exe 121 PID 2504 wrote to memory of 4544 2504 csrss.exe 121 PID 2504 wrote to memory of 3676 2504 csrss.exe 125 PID 2504 wrote to memory of 3676 2504 csrss.exe 125 PID 2504 wrote to memory of 3676 2504 csrss.exe 125 PID 2504 wrote to memory of 4972 2504 csrss.exe 128 PID 2504 wrote to memory of 4972 2504 csrss.exe 128 PID 2504 wrote to memory of 4972 2504 csrss.exe 128 PID 2504 wrote to memory of 3320 2504 csrss.exe 131 PID 2504 wrote to memory of 3320 2504 csrss.exe 131 PID 3548 wrote to memory of 2044 3548 windefender.exe 138 PID 3548 wrote to memory of 2044 3548 windefender.exe 138 PID 3548 wrote to memory of 2044 3548 windefender.exe 138 PID 2044 wrote to memory of 2316 2044 cmd.exe 139 PID 2044 wrote to memory of 2316 2044 cmd.exe 139 PID 2044 wrote to memory of 2316 2044 cmd.exe 139 -
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\NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3276 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:864
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C:\Users\Admin\AppData\Local\Temp\NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.689b262ef9e51e9d3f5369f8f253f360_JC.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:1728 -
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:3528
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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:684 -
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:4924
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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:2788
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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:2084
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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:2504 -
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:4544
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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:788
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3456
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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:3676
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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:4972
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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:3320
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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:1476
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3548 -
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:2044 -
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:2316
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1396
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
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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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
MD5228a9620821b03881378324ea6a062c3
SHA1d5cf58de887812e4d2a0131c710b9bda7db4218c
SHA2565497f4e390fb8ebdbc142a611783b891419bda9a8fa6afe97077be8f20628e81
SHA51265d22207fb75cfebae6dcb98cf236e6eae1322368ada6bd87b27b6ee860b75856ea30b0ab4a3a8936d4c5bee0124aa3b4411e16d4212d7688368d43f7af63bcd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD594adc9684d91c31fbef3301f8efaa7d4
SHA1722b284d4e18027c9f1f66741292b2f519aa8683
SHA25679bb33ba779556b3a8c1526e3bc41af6a075c82b5c67da4dda8c354d3e868052
SHA512fdf7071431f1fd58413df0ec5a58b510a98145342de59ba5efaf33bff644745f5ebfcdbca1af6ee2e5448ed22dbeb942d15d3dde58772fd7d590ff750b3340f8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d05143468262e91f22157dc38123ed22
SHA178cac47847fa46cb24f0a3bc6c9a7e02bf5743bf
SHA25657061dd9681a8882c78a6ff094b65d9745ffec6665b290f85d5355834bbb171b
SHA512b18136fcbb9eb1564d3b7bf02f8f6a8aec66c0c626f6f7b78f31552ed84fc485047246aae254ce469474ced383d0dae7200d58a0b1e673301b1ff3c135a9eda2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b209efaa4f40e90d786284ddebbb5faa
SHA189c7e4d998a915fc43ec05781eaeef225769218a
SHA256483368834884d0adbc0651833293c0063a7f36a8c64308a0b873302ed162fc44
SHA512138d5eb0d9416a992efd107721d4f6d0c82aada445b1e63f95757105d5e3151bf30232a61869c4e37e5e065f9a282fbf64caa4d0667f1bf22066f8f84f9ff6cf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD565e743886b8e32c860222fad2056aed1
SHA133ced903f2800b8a15f007b28a3b0a9404536313
SHA2568fbf668fcff5545c99f023db6b73230cc52e7bdbccdcb4e9ad729bb559ffad72
SHA5123d86ba96a32b07f9a633251580ad998bc6cb6a84749e1f77ce5a68f77adc3a2f254ae621149952e54c258a8a653d02a43437c6f58152e655db08921429c80347
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Filesize
4.1MB
MD5689b262ef9e51e9d3f5369f8f253f360
SHA1a7ad035723c37ae9b08294f88f17e76125c53f5d
SHA256ceefae640ffa48560ab9fecb571814bbf621afa93628915cae3a3489d9949efc
SHA5121a1fff946c3efdc48289b80ad2f370b58abe6867f87e3713896153d7dc93a242b047ffc26d532f5c9edd166accff9cd61de3817827838fa3632af92594983aec
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Filesize
4.1MB
MD5689b262ef9e51e9d3f5369f8f253f360
SHA1a7ad035723c37ae9b08294f88f17e76125c53f5d
SHA256ceefae640ffa48560ab9fecb571814bbf621afa93628915cae3a3489d9949efc
SHA5121a1fff946c3efdc48289b80ad2f370b58abe6867f87e3713896153d7dc93a242b047ffc26d532f5c9edd166accff9cd61de3817827838fa3632af92594983aec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec