Analysis
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max time kernel
149s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
28-03-2024 07:46
Static task
static1
Behavioral task
behavioral1
Sample
3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe
Resource
win10v2004-20240226-en
General
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Target
3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe
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Size
4.2MB
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MD5
0cf89b056c66bef40dedb8afc4f57eb6
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SHA1
d73ac89a4da0b120f296e9b0cb591aaa75d811e4
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SHA256
3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64
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SHA512
c11018a73ad05029644a4d43839e3e65a7692202e719c40db5d9af67f0111a4252f17de36fa4a3315ed89ed5a34df99c6fdd7666b8c06f19c9b72b6244744915
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SSDEEP
98304:Jak2rBgQfQBO+kzrSFtHCULP6tfKPz4QF3r9WIw5oNx+N:Uz5TBz4iULCtkz4QV5Wt5ofc
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4796-2-0x00000000032C0000-0x0000000003BAB000-memory.dmp family_glupteba behavioral2/memory/4796-3-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/1672-52-0x00000000030E0000-0x00000000039CB000-memory.dmp family_glupteba behavioral2/memory/1672-53-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/4796-66-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/1672-128-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/1672-145-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/4544-240-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/4544-250-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/4544-252-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/4544-256-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/4544-259-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/4544-262-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/4544-265-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/4544-267-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/4544-271-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/4544-274-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/4544-277-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/4544-279-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral2/memory/4544-283-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2284 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4544 csrss.exe 3172 injector.exe 4936 windefender.exe 1828 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a786-244.dat upx behavioral2/memory/4936-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1828-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1828-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1828-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\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 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 -
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 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 972 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 4732 schtasks.exe 3756 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.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\@tzres.dll,-912 = "Mauritius Standard 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,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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\22\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.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,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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,-222 = "Alaskan Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3520 powershell.exe 3520 powershell.exe 4796 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 4796 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 3116 powershell.exe 3116 powershell.exe 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 1928 powershell.exe 1928 powershell.exe 4604 powershell.exe 4604 powershell.exe 2304 powershell.exe 2304 powershell.exe 1616 powershell.exe 1616 powershell.exe 2944 powershell.exe 2944 powershell.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 4544 csrss.exe 4544 csrss.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 4544 csrss.exe 4544 csrss.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 4544 csrss.exe 4544 csrss.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe 3172 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3520 powershell.exe Token: SeDebugPrivilege 4796 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Token: SeImpersonatePrivilege 4796 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Token: SeDebugPrivilege 3116 powershell.exe Token: SeDebugPrivilege 1928 powershell.exe Token: SeDebugPrivilege 4604 powershell.exe Token: SeDebugPrivilege 2304 powershell.exe Token: SeDebugPrivilege 1616 powershell.exe Token: SeDebugPrivilege 2944 powershell.exe Token: SeSystemEnvironmentPrivilege 4544 csrss.exe Token: SeSecurityPrivilege 972 sc.exe Token: SeSecurityPrivilege 972 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4796 wrote to memory of 3520 4796 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 78 PID 4796 wrote to memory of 3520 4796 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 78 PID 4796 wrote to memory of 3520 4796 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 78 PID 1672 wrote to memory of 3116 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 83 PID 1672 wrote to memory of 3116 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 83 PID 1672 wrote to memory of 3116 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 83 PID 1672 wrote to memory of 1444 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 85 PID 1672 wrote to memory of 1444 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 85 PID 1444 wrote to memory of 2284 1444 cmd.exe 87 PID 1444 wrote to memory of 2284 1444 cmd.exe 87 PID 1672 wrote to memory of 1928 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 88 PID 1672 wrote to memory of 1928 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 88 PID 1672 wrote to memory of 1928 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 88 PID 1672 wrote to memory of 4604 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 90 PID 1672 wrote to memory of 4604 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 90 PID 1672 wrote to memory of 4604 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 90 PID 1672 wrote to memory of 4544 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 92 PID 1672 wrote to memory of 4544 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 92 PID 1672 wrote to memory of 4544 1672 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 92 PID 4544 wrote to memory of 2304 4544 csrss.exe 93 PID 4544 wrote to memory of 2304 4544 csrss.exe 93 PID 4544 wrote to memory of 2304 4544 csrss.exe 93 PID 4544 wrote to memory of 1616 4544 csrss.exe 98 PID 4544 wrote to memory of 1616 4544 csrss.exe 98 PID 4544 wrote to memory of 1616 4544 csrss.exe 98 PID 4544 wrote to memory of 2944 4544 csrss.exe 101 PID 4544 wrote to memory of 2944 4544 csrss.exe 101 PID 4544 wrote to memory of 2944 4544 csrss.exe 101 PID 4544 wrote to memory of 3172 4544 csrss.exe 103 PID 4544 wrote to memory of 3172 4544 csrss.exe 103 PID 4936 wrote to memory of 2880 4936 windefender.exe 109 PID 4936 wrote to memory of 2880 4936 windefender.exe 109 PID 4936 wrote to memory of 2880 4936 windefender.exe 109 PID 2880 wrote to memory of 972 2880 cmd.exe 110 PID 2880 wrote to memory of 972 2880 cmd.exe 110 PID 2880 wrote to memory of 972 2880 cmd.exe 110 -
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\3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe"C:\Users\Admin\AppData\Local\Temp\3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4796 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3520
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C:\Users\Admin\AppData\Local\Temp\3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe"C:\Users\Admin\AppData\Local\Temp\3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.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:1672 -
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:3116
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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:1444 -
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:2284
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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:1928
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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:4604
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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:4544 -
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:2304
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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:3756
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3536
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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:1616
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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:2944
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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:3172
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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:4732
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4936 -
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:2880 -
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:972
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1828
Network
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Remote address:8.8.8.8:53Request2f1a0cf5-0e65-4ccd-b2c8-a0571afe1c60.uuid.thestatsfiles.ruIN TXTResponse
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Remote address:8.8.8.8:53Request8.8.8.8.in-addr.arpaIN PTRResponse8.8.8.8.in-addr.arpaIN PTRdnsgoogle
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Remote address:8.8.8.8:53Requeststun.stunprotocol.orgIN AResponsestun.stunprotocol.orgIN A127.0.0.1
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Remote address:8.8.8.8:53Requestcarsalessystem.comIN AResponsecarsalessystem.comIN A172.67.221.71carsalessystem.comIN A104.21.94.82
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Remote address:8.8.8.8:53Request71.221.67.172.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request44.27.3.81.in-addr.arpaIN PTRResponse44.27.3.81.in-addr.arpaIN PTRxmppipfireorg
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Remote address:8.8.8.8:53Requestself.events.data.microsoft.comIN AResponseself.events.data.microsoft.comIN CNAMEself-events-data.trafficmanager.netself-events-data.trafficmanager.netIN CNAMEonedscolprdwus10.westus.cloudapp.azure.comonedscolprdwus10.westus.cloudapp.azure.comIN A20.189.173.11
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Remote address:8.8.8.8:53Requestcdn.discordapp.comIN AResponsecdn.discordapp.comIN A162.159.133.233cdn.discordapp.comIN A162.159.134.233cdn.discordapp.comIN A162.159.130.233cdn.discordapp.comIN A162.159.129.233cdn.discordapp.comIN A162.159.135.233
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Remote address:8.8.8.8:53Request233.133.159.162.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Requeststun.ipfire.orgIN AResponsestun.ipfire.orgIN CNAMExmpp.ipfire.orgxmpp.ipfire.orgIN A81.3.27.44
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Remote address:8.8.8.8:53Request23.236.111.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Requestserver3.thestatsfiles.ruIN AResponseserver3.thestatsfiles.ruIN A185.82.216.96
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Remote address:8.8.8.8:53Request96.216.82.185.in-addr.arpaIN PTRResponse96.216.82.185.in-addr.arpaIN PTRdedic-mariadebommarez-1201693hosted-by-itldccom
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Remote address:8.8.8.8:53Requestnexusrules.officeapps.live.comIN AResponsenexusrules.officeapps.live.comIN CNAMEprod.nexusrules.live.com.akadns.netprod.nexusrules.live.com.akadns.netIN A52.111.236.23
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Remote address:8.8.8.8:53Request11.173.189.20.in-addr.arpaIN PTRResponse
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1.2kB 5.2kB 13 15
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1.4kB 5.1kB 13 15
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93.5kB 2.2MB 1716 1612
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1.2kB 4.7kB 11 13
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1.9kB 4.7kB 11 14
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1.8kB 4.5kB 8 9
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518 B 872 B 7 7
DNS Request
2f1a0cf5-0e65-4ccd-b2c8-a0571afe1c60.uuid.thestatsfiles.ru
DNS Request
8.8.8.8.in-addr.arpa
DNS Request
stun.stunprotocol.org
DNS Response
127.0.0.1
DNS Request
carsalessystem.com
DNS Response
172.67.221.71104.21.94.82
DNS Request
71.221.67.172.in-addr.arpa
DNS Request
44.27.3.81.in-addr.arpa
DNS Request
self.events.data.microsoft.com
DNS Response
20.189.173.11
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271 B 534 B 4 4
DNS Request
cdn.discordapp.com
DNS Response
162.159.133.233162.159.134.233162.159.130.233162.159.129.233162.159.135.233
DNS Request
233.133.159.162.in-addr.arpa
DNS Request
stun.ipfire.org
DNS Response
81.3.27.44
DNS Request
23.236.111.52.in-addr.arpa
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290 B 520 B 4 4
DNS Request
server3.thestatsfiles.ru
DNS Response
185.82.216.96
DNS Request
96.216.82.185.in-addr.arpa
DNS Request
nexusrules.officeapps.live.com
DNS Response
52.111.236.23
DNS Request
11.173.189.20.in-addr.arpa
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48 B 80 B 1 1
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ba02873e7a449f83af345ecde0116d9
SHA15cece8a526b1735389486e73621ddd4e888e32da
SHA2566fd8df6318ede39801e3cb946281e93bf8c1f4cb7c2272a9eb286d5540f230db
SHA51265580465720f583ee93e258e6d6ac35b92c39b4a10321db5233ff96a1c94f488dcdb6c30950cedec00ede15d9375928f7fa8f04d0afbdae56de0057c529084b8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD538a762f36ff0f539ee743c6484f890f3
SHA16075d134dd573ac5eff2ac20b67ed0589bad21f5
SHA256a4f5d32e4dbbbdd55f0b1a809032e3d95ae4c2783d0f04042ead8d15693dbbdb
SHA51201e6a7005134d76d84219dab3c39a79a45f097e1d5a194ce7c8db68a0d8971c1a3b6f777e97d603b9edb8782d34d324a3703230c7baf9320bdf0c9dd063f4398
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD559ad01bb898ed6803940b9f749b3b927
SHA1ededa119fe8490974ef0fe4a57cd0113489785e8
SHA256ee320111062bca7a1a2b75d55e6131a5dfc23c18f580d4fcff141d6f6519bada
SHA512adcc3e02f5563e34645af05d662965935dfc35dd9529d52a50378b30dc7c423d2a4a578641e4e3fbe1d3176e93f9dbb9fef7eecb59ae8921a514af147a84f3e7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ed5fd8d34c37c1fc2fc3cab14e002046
SHA15bac359220d2f9f8f3acdcfa9d4020b3c626ecab
SHA2564f0dad8a48a5b7f8d33c85e685a6620b012a837ddb454594b34501d6de96ace7
SHA5128b906697f03eaee8e6df3e52692084e7fdf61e3cd72a97a979e2ebeeb4ca193ad6fb06cb3359582f5b438a7cb2c72a808248e09647bf480f7a5bf41e6643437c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dfb78b6bad834de7ef50bc60a9f51a84
SHA1964715d44ab8784849abb6ffa3b984bb60b732fb
SHA256e8e7721be55dc521d375fcc3a4f4cb5a48db0c6123a03fbaba6ebe4b1d1de6be
SHA5129a94782f7d0d0d1c2611fca0c9601f7a5ce8c82e8727a619bcd8eeb820e254d3c694f52f39a7a96aac9e283b9f99e9f1b57f7f3d2dcd3807c07cb5e97cf5087d
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Filesize
2.3MB
MD5b71cc0a2386e758bdad949296afb9e56
SHA17fddfdc21aeb303077e4d0683bfffc8a672807d4
SHA2569401bc5b5e07fd43663e8d580ae8be5605dd0d50dcdef70fae358b5c34d92f82
SHA512a3270a712b7a6917d9239818b621b736aee2885914e0dadb947fcf546dbb8a00c2fe80c64ca3670a9f9f0b8752c9c20be6a97e3ba001e48aad30a18f9e17206b
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Filesize
2.7MB
MD57141071518c9398f76c78fdb7a97703c
SHA187b07861990d125570f1ae01e4ac66cc5cc91b8f
SHA256b6de5c6a0d95b76021e24caa6b11dd1f89e88c0e3112d2fbe1bbde92db0698bf
SHA51262f41e1fca8f10098c56483a3905fc954b7b36253e9a04b1c214b192b23351544f5b817d02a3c693322a634a5732d2cdb39ba08f3bf48cc727b77d7b5aff86ed
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec