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Analysis
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max time kernel
149s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
29/04/2024, 14:01
Static task
static1
Behavioral task
behavioral1
Sample
dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe
Resource
win10v2004-20240426-en
General
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Target
dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe
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Size
4.1MB
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MD5
159403697f059e3b71d4806b14428963
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SHA1
55b9352823e2fb03677792eb2a1eb10666a869e0
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SHA256
dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be
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SHA512
0761e34f7017659fb88792559b2d927b132169924dd2cb64250f6daa04b38d98aef7d533e943bc3e0899a542873ae9bdec504277eb94e066c673a1e007b1b1d1
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SSDEEP
49152:iKbttyhjJL96DozbVveon8YbkKhB//LC1gYhszGflJXKCsXRabjyMtfrF1FYGd8T:iOtyh1AoJRBL2hfXbtXHXCGd8zncq
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4200-2-0x00000000050B0000-0x000000000599B000-memory.dmp family_glupteba behavioral1/memory/4200-3-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4200-28-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4200-59-0x00000000050B0000-0x000000000599B000-memory.dmp family_glupteba behavioral1/memory/4200-81-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4072-108-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4072-135-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4988-217-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4988-227-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4988-229-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4988-233-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4988-236-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4988-239-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4988-241-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4988-245-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4988-248-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4988-251-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral1/memory/4988-253-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5108 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4988 csrss.exe 2012 injector.exe 2600 windefender.exe 4264 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023436-221.dat upx behavioral1/memory/2600-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4264-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2600-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4264-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4264-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4264-244-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe File created C:\Windows\rss\csrss.exe dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.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 2952 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 1760 schtasks.exe 4812 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,-2161 = "Altai Daylight Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard 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)" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.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,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3204 powershell.exe 3204 powershell.exe 4200 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 4200 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 1264 powershell.exe 1264 powershell.exe 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 3324 powershell.exe 3324 powershell.exe 2524 powershell.exe 2524 powershell.exe 2740 powershell.exe 2740 powershell.exe 1444 powershell.exe 1444 powershell.exe 1268 powershell.exe 1268 powershell.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 4988 csrss.exe 4988 csrss.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 4988 csrss.exe 4988 csrss.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 4988 csrss.exe 4988 csrss.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe 2012 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3204 powershell.exe Token: SeDebugPrivilege 4200 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Token: SeImpersonatePrivilege 4200 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe Token: SeDebugPrivilege 1264 powershell.exe Token: SeDebugPrivilege 3324 powershell.exe Token: SeDebugPrivilege 2524 powershell.exe Token: SeDebugPrivilege 2740 powershell.exe Token: SeDebugPrivilege 1444 powershell.exe Token: SeDebugPrivilege 1268 powershell.exe Token: SeSystemEnvironmentPrivilege 4988 csrss.exe Token: SeSecurityPrivilege 2952 sc.exe Token: SeSecurityPrivilege 2952 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4200 wrote to memory of 3204 4200 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 86 PID 4200 wrote to memory of 3204 4200 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 86 PID 4200 wrote to memory of 3204 4200 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 86 PID 4072 wrote to memory of 1264 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 91 PID 4072 wrote to memory of 1264 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 91 PID 4072 wrote to memory of 1264 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 91 PID 4072 wrote to memory of 3700 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 93 PID 4072 wrote to memory of 3700 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 93 PID 3700 wrote to memory of 5108 3700 cmd.exe 95 PID 3700 wrote to memory of 5108 3700 cmd.exe 95 PID 4072 wrote to memory of 3324 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 96 PID 4072 wrote to memory of 3324 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 96 PID 4072 wrote to memory of 3324 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 96 PID 4072 wrote to memory of 2524 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 98 PID 4072 wrote to memory of 2524 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 98 PID 4072 wrote to memory of 2524 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 98 PID 4072 wrote to memory of 4988 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 100 PID 4072 wrote to memory of 4988 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 100 PID 4072 wrote to memory of 4988 4072 dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe 100 PID 4988 wrote to memory of 2740 4988 csrss.exe 103 PID 4988 wrote to memory of 2740 4988 csrss.exe 103 PID 4988 wrote to memory of 2740 4988 csrss.exe 103 PID 4988 wrote to memory of 1444 4988 csrss.exe 109 PID 4988 wrote to memory of 1444 4988 csrss.exe 109 PID 4988 wrote to memory of 1444 4988 csrss.exe 109 PID 4988 wrote to memory of 1268 4988 csrss.exe 111 PID 4988 wrote to memory of 1268 4988 csrss.exe 111 PID 4988 wrote to memory of 1268 4988 csrss.exe 111 PID 4988 wrote to memory of 2012 4988 csrss.exe 113 PID 4988 wrote to memory of 2012 4988 csrss.exe 113 PID 2600 wrote to memory of 4596 2600 windefender.exe 119 PID 2600 wrote to memory of 4596 2600 windefender.exe 119 PID 2600 wrote to memory of 4596 2600 windefender.exe 119 PID 4596 wrote to memory of 2952 4596 cmd.exe 120 PID 4596 wrote to memory of 2952 4596 cmd.exe 120 PID 4596 wrote to memory of 2952 4596 cmd.exe 120 -
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\dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe"C:\Users\Admin\AppData\Local\Temp\dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4200 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3204
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C:\Users\Admin\AppData\Local\Temp\dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.exe"C:\Users\Admin\AppData\Local\Temp\dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be.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:4072 -
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:1264
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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:3700 -
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:5108
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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:3324
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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:2524
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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:4988 -
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:2740
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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:1760
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:748
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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:1444
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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:1268
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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:2012
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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:4812
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2600 -
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:4596 -
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:2952
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4264
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57ff2d0e8cb4ebe69ae4d19b25a3f5034
SHA17776a0c92301c64f62eda76b7480eb263b8f070d
SHA2567d70209a7ef0b42b0d94b0abda7bf7e88d8d170811bbb48a2306133adab813cf
SHA5123f01b75051a7229fe1d4c28cedfbbbe3a9a716578be76fb8f01cc6c32a73ac798583b545b28b2660fc0600d5e1d15b6b7cf4f90b48bcb1d2118e1744a76c5202
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5916059cfd797319ab57b092ff41a2c9d
SHA1df9dd6592a15fd0153d23a72219657b85be56f25
SHA2567785e301884c716e45c56f050e4f9c5c5477f8e091595e061975e93e26b26c2a
SHA5125f602ecbd9a01adcdbec4c31aede6463c5b0977f72d43c94fec9edf876f6e83e3edf4bc59419ad9604b2b4789d1c32a1265f0d7ae6eafe44e1a6e519cd4b5b21
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59411919f6904fc8e9ff1ff68d3444411
SHA1b8674139b5c92665f9144aa3dc91a75d7e592dac
SHA256714a01a5fea30b2e110ab22a1223990b4364c0c9884c677d34cb62ab00ccb9d2
SHA512fcd88f24ea220c49346d88a65da065dba8ec8628e0d277140c4da5c24ed241a1eca6d7060a656e373d9a0a08bb43e226ce48f5826b625d540a5dec6791907915
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50ed396e4efce359badd97f9e0fc5bb88
SHA189a15293a15db60ed8a4be5601fc2f9300a54bdc
SHA25677154a30f96e767a57ffc6c49e7c0c99503ed921deb3efdcb4b0fcc0dfe8fd4a
SHA512aa2e068a44f834d1376174347ce52271528fdf8ab0ea6d627aa4928df436387bc7bc4252fe1c9a22a338163176e558b27ec1b74b2c161369fc4c358d7f599e78
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD514e1953995c3c38b8ff47cce2d8ccf18
SHA1c69e966ff9fe628dda13adea937d73c7b6468abc
SHA25638fe546f4f7cf2e3c57bfa25f091270e73dd4fc69f80f6b9a05a74b2d34f8aff
SHA51294e0c4b871bc8172eb8ad4731fe74930cca2374f56011df90b9013be51b626e99ac60f3e8407d6ac61c657798b764b996c2e07b2ea291a00c2ed1b1ebbed2806
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Filesize
4.1MB
MD5159403697f059e3b71d4806b14428963
SHA155b9352823e2fb03677792eb2a1eb10666a869e0
SHA256dab1d4a92cb237fe291cd7306bf15759bc28528ed452c9a92f7373407f8f77be
SHA5120761e34f7017659fb88792559b2d927b132169924dd2cb64250f6daa04b38d98aef7d533e943bc3e0899a542873ae9bdec504277eb94e066c673a1e007b1b1d1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec