Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 23:17
Static task
static1
Behavioral task
behavioral1
Sample
9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe
Resource
win10v2004-20240426-en
General
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Target
9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe
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Size
4.1MB
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MD5
c7bfcedf9f89a2aa25f8eae1657cd1e0
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SHA1
30a8c60879519e687ea7149fed290559bad6ff46
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SHA256
9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05
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SHA512
301c3b86d4c36b7f86d7f701bd89054b408e1ad44f3e2113c5865d5af3aaa0736284012fb6f8a7eb654641e21a5623a08522975d4520fa91293105564bb93887
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SSDEEP
98304:cmJz+EAFuKpzA6GjnwtAd4VH0G8BBOAZM6KCBe84B:Jh+Eouw86GbIivMwMVCB8B
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4364-2-0x0000000004C20000-0x000000000550B000-memory.dmp family_glupteba behavioral1/memory/4364-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4364-155-0x0000000004C20000-0x000000000550B000-memory.dmp family_glupteba behavioral1/memory/4364-142-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4364-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5108-212-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4320-215-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4320-225-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4320-229-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4320-233-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4320-237-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4320-241-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4320-245-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4320-249-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4320-253-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4320-257-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4320-261-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4320-265-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4320-269-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5004 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4320 csrss.exe 2532 injector.exe 1924 windefender.exe 4916 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002343f-218.dat upx behavioral1/memory/1924-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1924-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4916-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4916-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe File created C:\Windows\rss\csrss.exe 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2824 sc.exe -
pid Process 1688 powershell.exe 1436 powershell.exe 380 powershell.exe 4448 powershell.exe 3836 powershell.exe 3344 powershell.exe 392 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4044 schtasks.exe 3748 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\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.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\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard 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\@tzres.dll,-435 = "Georgian Standard Time" windefender.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,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard 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,-2841 = "Saratov Daylight Time" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-461 = "Afghanistan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1436 powershell.exe 1436 powershell.exe 4364 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 4364 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 380 powershell.exe 380 powershell.exe 380 powershell.exe 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 4448 powershell.exe 4448 powershell.exe 3836 powershell.exe 3836 powershell.exe 3344 powershell.exe 3344 powershell.exe 3344 powershell.exe 392 powershell.exe 392 powershell.exe 1688 powershell.exe 1688 powershell.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 4320 csrss.exe 4320 csrss.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 4320 csrss.exe 4320 csrss.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 4320 csrss.exe 4320 csrss.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe 2532 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1436 powershell.exe Token: SeDebugPrivilege 4364 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Token: SeImpersonatePrivilege 4364 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe Token: SeDebugPrivilege 380 powershell.exe Token: SeDebugPrivilege 4448 powershell.exe Token: SeDebugPrivilege 3836 powershell.exe Token: SeDebugPrivilege 3344 powershell.exe Token: SeDebugPrivilege 392 powershell.exe Token: SeDebugPrivilege 1688 powershell.exe Token: SeSystemEnvironmentPrivilege 4320 csrss.exe Token: SeSecurityPrivilege 2824 sc.exe Token: SeSecurityPrivilege 2824 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4364 wrote to memory of 1436 4364 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 85 PID 4364 wrote to memory of 1436 4364 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 85 PID 4364 wrote to memory of 1436 4364 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 85 PID 5108 wrote to memory of 380 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 95 PID 5108 wrote to memory of 380 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 95 PID 5108 wrote to memory of 380 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 95 PID 5108 wrote to memory of 1792 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 100 PID 5108 wrote to memory of 1792 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 100 PID 1792 wrote to memory of 5004 1792 cmd.exe 102 PID 1792 wrote to memory of 5004 1792 cmd.exe 102 PID 5108 wrote to memory of 4448 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 103 PID 5108 wrote to memory of 4448 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 103 PID 5108 wrote to memory of 4448 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 103 PID 5108 wrote to memory of 3836 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 107 PID 5108 wrote to memory of 3836 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 107 PID 5108 wrote to memory of 3836 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 107 PID 5108 wrote to memory of 4320 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 109 PID 5108 wrote to memory of 4320 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 109 PID 5108 wrote to memory of 4320 5108 9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe 109 PID 4320 wrote to memory of 3344 4320 csrss.exe 110 PID 4320 wrote to memory of 3344 4320 csrss.exe 110 PID 4320 wrote to memory of 3344 4320 csrss.exe 110 PID 4320 wrote to memory of 392 4320 csrss.exe 116 PID 4320 wrote to memory of 392 4320 csrss.exe 116 PID 4320 wrote to memory of 392 4320 csrss.exe 116 PID 4320 wrote to memory of 1688 4320 csrss.exe 118 PID 4320 wrote to memory of 1688 4320 csrss.exe 118 PID 4320 wrote to memory of 1688 4320 csrss.exe 118 PID 4320 wrote to memory of 2532 4320 csrss.exe 120 PID 4320 wrote to memory of 2532 4320 csrss.exe 120 PID 1924 wrote to memory of 1380 1924 windefender.exe 126 PID 1924 wrote to memory of 1380 1924 windefender.exe 126 PID 1924 wrote to memory of 1380 1924 windefender.exe 126 PID 1380 wrote to memory of 2824 1380 cmd.exe 127 PID 1380 wrote to memory of 2824 1380 cmd.exe 127 PID 1380 wrote to memory of 2824 1380 cmd.exe 127 -
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\9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe"C:\Users\Admin\AppData\Local\Temp\9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4364 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1436
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C:\Users\Admin\AppData\Local\Temp\9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.exe"C:\Users\Admin\AppData\Local\Temp\9f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05.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:5108 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:380
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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:1792 -
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:5004
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4448
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3836
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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:4320 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3344
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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:4044
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4932
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:392
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1688
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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:2532
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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:3748
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1924 -
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:1380 -
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:2824
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4916
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
MD54e7dd4d5374fcea36b452be96f601074
SHA1b07e40d39de066e223512f0cb5525e6a7bc8fa80
SHA256721ed9677db0ff99dde90c57ee9a6528cd33aec269117b1a90f16f7e514923a7
SHA5129eba1ff3c0a9b592c0f468ba7544034c0dccd316ba2d97c050b5d9c78dfcaf5605fe4efb91c1480f92d590c716c6eef27071662444600b46a984c573167411ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55c389df7be2dc30065a07f6c7184fbd8
SHA1080aeda82ed719f33c9708fb84b2925ec2a6cfb2
SHA2562c8bb4c3f8a0284bc6c6f2e22711375275b5c2d00c121c58a7bd393a6144604c
SHA512a5eb56e3734d5981c838bee1f235f0069d66ec62e543faa249003cb176cc03e6276a3f973250b6582976afb2382cfe0080e58a648fcfe888b6309f30cc69e4a7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c97838b71e45fab27657db06d57a120a
SHA11520a31ed6e7a24e2a8dbd12c70b28c0d35c1897
SHA256325033ff0ab69008394dddf19044d1c34326debb5915ec3e618b540ffb653a37
SHA512def67f6de3521998733bf6d2d5f226878f8f96ae76d2517ba5760136483f50e2d2e79e914163fedf348d81faeb7d1ed01588f93a10bcf08fc2eb4da8d6cac202
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57de5a2fa3e90f5b45e3e2ed96320d9af
SHA1256ad8ab6fd868cb87a8d48077ae1134e54b93a5
SHA256d69911b35196aac719694658f4bbf0f6a3fd4213fc01f4600a3783ee26f397f9
SHA512fc307b4cc4bc1dca02df5892d3db67ca1b3db752d6b4dcee0aed9a70d89b3c490c87f93095fbd36e4ba8a1ddd3dc803d4d4624e9c2c31a70e2230067936ea9e0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56933722290d07a406ed33281dcdf1761
SHA1cc97a1efa3109c606f61a6afb6c61771f2fcc74d
SHA256a35e91aed33b022a2bf8f6881b38c09432354fa15092f125ae719bbeea54f73b
SHA5129f018973461caf824610c378a2c422c5545674f86eb8d8fa2145d9c1dce26a55c178a924e00995bbfb52c615b8bf06bafa99301fb1f7d4853f4297a2f82ffda5
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Filesize
4.1MB
MD5c7bfcedf9f89a2aa25f8eae1657cd1e0
SHA130a8c60879519e687ea7149fed290559bad6ff46
SHA2569f9500796b24685fb14d1697e6e2523b1e542778aab15e571f667f850dcb6b05
SHA512301c3b86d4c36b7f86d7f701bd89054b408e1ad44f3e2113c5865d5af3aaa0736284012fb6f8a7eb654641e21a5623a08522975d4520fa91293105564bb93887
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec