Analysis
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max time kernel
150s -
max time network
147s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
15/05/2024, 23:37
Static task
static1
Behavioral task
behavioral1
Sample
6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe
Resource
win10v2004-20240426-en
General
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Target
6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe
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Size
4.1MB
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MD5
dc035734f1a5f2590e0ac78efc23252c
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SHA1
0786db4afbb7737c8ee559b8aa291f375045201e
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SHA256
6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115
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SHA512
83949de8ede88aa0af742cac639eb92f90fb669ab80af71325905a3be126898822c7234f69f4ba7f75a5bd114231ee53ae1eedadac2810181bb2214d4241fcf1
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SSDEEP
98304:kCrMvuyR1RyPQdAJHItu4QbOo8ZPCtSlOjuAz5n6hmlDmbi:k5vuu/yDHItfIOpPCSgB5tCe
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2140-2-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral2/memory/2140-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2140-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2140-53-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral2/memory/2140-54-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2140-63-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3728-79-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3728-128-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2084-203-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2084-215-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2084-217-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2084-221-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2084-225-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2084-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2084-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2084-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2084-241-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2084-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2376 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2084 csrss.exe 5028 injector.exe 2156 windefender.exe 3312 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab58-208.dat upx behavioral2/memory/2156-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2156-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3312-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3312-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3312-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 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 -
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 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.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 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3472 sc.exe -
pid Process 2984 powershell.exe 3460 powershell.exe 2812 powershell.exe 2740 powershell.exe 2752 powershell.exe 3572 powershell.exe 4452 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 1340 schtasks.exe 2340 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central 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\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.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,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.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,-142 = "Canada Central Standard Time" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.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,-3052 = "Qyzylorda Standard 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\@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,-222 = "Alaskan Standard Time" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.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\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe 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" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.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\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.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,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2812 powershell.exe 2812 powershell.exe 2140 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 2140 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 2740 powershell.exe 2740 powershell.exe 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 2752 powershell.exe 2752 powershell.exe 3572 powershell.exe 3572 powershell.exe 4452 powershell.exe 4452 powershell.exe 2984 powershell.exe 2984 powershell.exe 3460 powershell.exe 3460 powershell.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 2084 csrss.exe 2084 csrss.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 2084 csrss.exe 2084 csrss.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 2084 csrss.exe 2084 csrss.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe 5028 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2812 powershell.exe Token: SeDebugPrivilege 2140 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Token: SeImpersonatePrivilege 2140 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe Token: SeDebugPrivilege 2740 powershell.exe Token: SeDebugPrivilege 2752 powershell.exe Token: SeDebugPrivilege 3572 powershell.exe Token: SeDebugPrivilege 4452 powershell.exe Token: SeDebugPrivilege 2984 powershell.exe Token: SeDebugPrivilege 3460 powershell.exe Token: SeSystemEnvironmentPrivilege 2084 csrss.exe Token: SeSecurityPrivilege 3472 sc.exe Token: SeSecurityPrivilege 3472 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2140 wrote to memory of 2812 2140 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 83 PID 2140 wrote to memory of 2812 2140 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 83 PID 2140 wrote to memory of 2812 2140 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 83 PID 3728 wrote to memory of 2740 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 88 PID 3728 wrote to memory of 2740 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 88 PID 3728 wrote to memory of 2740 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 88 PID 3728 wrote to memory of 3268 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 90 PID 3728 wrote to memory of 3268 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 90 PID 3268 wrote to memory of 2376 3268 cmd.exe 92 PID 3268 wrote to memory of 2376 3268 cmd.exe 92 PID 3728 wrote to memory of 2752 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 93 PID 3728 wrote to memory of 2752 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 93 PID 3728 wrote to memory of 2752 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 93 PID 3728 wrote to memory of 3572 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 95 PID 3728 wrote to memory of 3572 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 95 PID 3728 wrote to memory of 3572 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 95 PID 3728 wrote to memory of 2084 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 97 PID 3728 wrote to memory of 2084 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 97 PID 3728 wrote to memory of 2084 3728 6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe 97 PID 2084 wrote to memory of 4452 2084 csrss.exe 98 PID 2084 wrote to memory of 4452 2084 csrss.exe 98 PID 2084 wrote to memory of 4452 2084 csrss.exe 98 PID 2084 wrote to memory of 2984 2084 csrss.exe 103 PID 2084 wrote to memory of 2984 2084 csrss.exe 103 PID 2084 wrote to memory of 2984 2084 csrss.exe 103 PID 2084 wrote to memory of 3460 2084 csrss.exe 106 PID 2084 wrote to memory of 3460 2084 csrss.exe 106 PID 2084 wrote to memory of 3460 2084 csrss.exe 106 PID 2084 wrote to memory of 5028 2084 csrss.exe 108 PID 2084 wrote to memory of 5028 2084 csrss.exe 108 PID 2156 wrote to memory of 1724 2156 windefender.exe 114 PID 2156 wrote to memory of 1724 2156 windefender.exe 114 PID 2156 wrote to memory of 1724 2156 windefender.exe 114 PID 1724 wrote to memory of 3472 1724 cmd.exe 115 PID 1724 wrote to memory of 3472 1724 cmd.exe 115 PID 1724 wrote to memory of 3472 1724 cmd.exe 115 -
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\6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe"C:\Users\Admin\AppData\Local\Temp\6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2812
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C:\Users\Admin\AppData\Local\Temp\6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.exe"C:\Users\Admin\AppData\Local\Temp\6ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115.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:3728 -
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:2740
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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:3268 -
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:2376
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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:2752
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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:3572
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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:2084 -
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:4452
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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:1340
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1604
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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:2984
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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:3460
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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:5028
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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:2340
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2156 -
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:1724 -
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:3472
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3312
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b94a349f6b3f0b6a9240402114b1557
SHA1b5ba7dd28cf6f840407065f3530ac52d30d5eb65
SHA2560757e0d0b550585f8a748b20ad4d1700e348ee9a3fcbdf1cfc7926b952d95748
SHA51242ca88393ac778842f4920b591073cc4662240754cd06b39d5f9d2245d71369a3bdf984eafe557c85a85a3727aa5ebe5c6350aada819427da9e4de97a33e9b97
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5af6c3b29dc7d83174ad41cbe973b6bc0
SHA1e3fd23242264486abdc2b7ea01aa6c6738471f8d
SHA256dab77ed6bcc04f576ba891571414e95f8cf4e0e5e33379263ac76824eb151068
SHA5120b1888cb0fb22d3fef8d31dbf14572c5404c7b3546669972e3d95518865a70a285efd5bfa24b0faed4bb442eb5a998ab66063336fa24534e7598251d9c025ec9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aaede3036a2d20804ba9d6764909bc12
SHA15f5cc1d3417299f3d546ddd4f73210548ef9a0d0
SHA2567f2fca07dc9f0b8cc3fcf6e31a7568b05c47527af8798d7e4b307c0397214193
SHA5128324cc43c3c8c9de0054bc18c1ddba594e40e90f4d3286b666cd121b85b3b3bcfe6f05c51651d4469bc9041df8f48159fb5e4a4db4cf7a3f8f9a56f5338223b1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5acad5ec603bf708143babe011eb8b667
SHA181fc379ef36bfc1289e44ff162a84dd7ed90fbab
SHA256d15e74f9cc30ff9cfd1c3a71ff78973b57c1b322847d96d85647d909337e0883
SHA51240916d5ea4cd2758e3c7222a741ab41df29ff37294566dc256e9199d8ceee0d3aef629e482bde271830965961b64ab38f8983395adaad1e1aa12277c20966206
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ff4c56a9ec1fb023ecf93813256a93f7
SHA197d11834d16a685564781fa01769e68a3059c2c8
SHA256e0997ccb2f3f6dcf1611e66272829a2ff6e2597f5d1480a1bb1597036c15204b
SHA51231b3f5e90db151291da3ecc613d9f130c4fa2fd2112d20b32b0bdbee2ed28361fe4d7596c06a4980426e49663b368426f4d8b008c028b931b21051c251defbff
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Filesize
4.1MB
MD5dc035734f1a5f2590e0ac78efc23252c
SHA10786db4afbb7737c8ee559b8aa291f375045201e
SHA2566ff410512378b97889c3346b79a224f660251e8a762eb5fc143c928a796e5115
SHA51283949de8ede88aa0af742cac639eb92f90fb669ab80af71325905a3be126898822c7234f69f4ba7f75a5bd114231ee53ae1eedadac2810181bb2214d4241fcf1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec