Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 12:32
Static task
static1
Behavioral task
behavioral1
Sample
5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe
Resource
win10v2004-20240508-en
General
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Target
5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe
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Size
4.1MB
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MD5
457409521c05bf575c662be5060b53fc
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SHA1
6cee697ea7bb8ae91c59d26965ff8ffb230dbe4e
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SHA256
5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca
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SHA512
21e16e6bea980acb36891bacfcdcb9afe4a714ed4f38d46561d6aaf54c97d81ecbb0dc3f4fb5e0df240825e20c8c9d979ab9ab4c3dde526479e1ae23edb89541
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SSDEEP
98304:t/lx2VB4FLDQS1OmkYbRsTncIxTvyO2P5x7YbDUU8P:9lgkYS1OmbburVLyO2P5x7Yb4Z
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4516-2-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/4516-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4516-74-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4516-79-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/1360-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5108-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5108-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5108-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5108-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5108-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5108-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5108-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5108-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5108-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5108-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5108-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5108-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5108-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2216 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5108 csrss.exe 3176 injector.exe 4816 windefender.exe 3424 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f1-204.dat upx behavioral2/memory/4816-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4816-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3424-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3424-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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 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 -
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 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe File created C:\Windows\rss\csrss.exe 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2436 sc.exe -
pid Process 232 powershell.exe 4280 powershell.exe 1016 powershell.exe 3512 powershell.exe 3888 powershell.exe 2848 powershell.exe 896 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 2164 schtasks.exe 4640 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight 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\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.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,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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,-301 = "Romance Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3888 powershell.exe 3888 powershell.exe 4516 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 4516 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 2848 powershell.exe 2848 powershell.exe 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 896 powershell.exe 896 powershell.exe 232 powershell.exe 232 powershell.exe 4280 powershell.exe 4280 powershell.exe 1016 powershell.exe 1016 powershell.exe 3512 powershell.exe 3512 powershell.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 5108 csrss.exe 5108 csrss.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 5108 csrss.exe 5108 csrss.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 5108 csrss.exe 5108 csrss.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe 3176 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3888 powershell.exe Token: SeDebugPrivilege 4516 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Token: SeImpersonatePrivilege 4516 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe Token: SeDebugPrivilege 2848 powershell.exe Token: SeDebugPrivilege 896 powershell.exe Token: SeDebugPrivilege 232 powershell.exe Token: SeDebugPrivilege 4280 powershell.exe Token: SeDebugPrivilege 1016 powershell.exe Token: SeDebugPrivilege 3512 powershell.exe Token: SeSystemEnvironmentPrivilege 5108 csrss.exe Token: SeSecurityPrivilege 2436 sc.exe Token: SeSecurityPrivilege 2436 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4516 wrote to memory of 3888 4516 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 82 PID 4516 wrote to memory of 3888 4516 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 82 PID 4516 wrote to memory of 3888 4516 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 82 PID 1360 wrote to memory of 2848 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 88 PID 1360 wrote to memory of 2848 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 88 PID 1360 wrote to memory of 2848 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 88 PID 1360 wrote to memory of 4092 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 90 PID 1360 wrote to memory of 4092 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 90 PID 4092 wrote to memory of 2216 4092 cmd.exe 92 PID 4092 wrote to memory of 2216 4092 cmd.exe 92 PID 1360 wrote to memory of 896 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 93 PID 1360 wrote to memory of 896 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 93 PID 1360 wrote to memory of 896 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 93 PID 1360 wrote to memory of 232 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 95 PID 1360 wrote to memory of 232 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 95 PID 1360 wrote to memory of 232 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 95 PID 1360 wrote to memory of 5108 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 97 PID 1360 wrote to memory of 5108 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 97 PID 1360 wrote to memory of 5108 1360 5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe 97 PID 5108 wrote to memory of 4280 5108 csrss.exe 98 PID 5108 wrote to memory of 4280 5108 csrss.exe 98 PID 5108 wrote to memory of 4280 5108 csrss.exe 98 PID 5108 wrote to memory of 1016 5108 csrss.exe 103 PID 5108 wrote to memory of 1016 5108 csrss.exe 103 PID 5108 wrote to memory of 1016 5108 csrss.exe 103 PID 5108 wrote to memory of 3512 5108 csrss.exe 106 PID 5108 wrote to memory of 3512 5108 csrss.exe 106 PID 5108 wrote to memory of 3512 5108 csrss.exe 106 PID 5108 wrote to memory of 3176 5108 csrss.exe 108 PID 5108 wrote to memory of 3176 5108 csrss.exe 108 PID 4816 wrote to memory of 3112 4816 windefender.exe 114 PID 4816 wrote to memory of 3112 4816 windefender.exe 114 PID 4816 wrote to memory of 3112 4816 windefender.exe 114 PID 3112 wrote to memory of 2436 3112 cmd.exe 115 PID 3112 wrote to memory of 2436 3112 cmd.exe 115 PID 3112 wrote to memory of 2436 3112 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\5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe"C:\Users\Admin\AppData\Local\Temp\5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4516 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3888
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C:\Users\Admin\AppData\Local\Temp\5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.exe"C:\Users\Admin\AppData\Local\Temp\5f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca.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:1360 -
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:2848
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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:4092 -
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:2216
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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:896
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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:232
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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:5108 -
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:4280
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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:2164
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4068
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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:1016
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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:3512
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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:3176
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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:4640
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4816 -
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:3112 -
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:2436
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3424
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
MD50af359cfd6a095ccda4b7584e99d834e
SHA184d46637f9b57e02d7fd6703501f19ae52a20d24
SHA2563440b7b9d042ede79a9c50c3e8d66e26173da885c48c875edcab45939c0a016d
SHA512e091cd882d90bf0017c5f19b1e23f4a87d9e093949c70a197915406780b351a345248c057fc1aea3b96ee47487a539a2f74212a4eaf4100f07d4eb5188a0b205
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50633ccb99cf69939b31ba46257179fc5
SHA1f1f2435afab7d3869148bd5c8b91c5af5ec6ed68
SHA256514dac718470c17eaf2bdaca3c0d25a6a7a7dd0e0ad880fac8dd81810b859786
SHA51228d1397666475af214f1f8fec4ec209f72313a81628ec97b4c3392fafff03b1aa6401610cca5486ebf333a026d2ef9c77709babb90cdeb61ee3898b4a14598a4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e2e9bbc2e8ad6030c8b604e35a37f2e4
SHA170201896fe7622c4b28bdbc6bf2853463c80f92c
SHA2565379656da3215c63dd69e9ace346c34cc7e66a14662f965c911b00d09384e7e1
SHA5122b5d0f2343ffbc3f44af936b718ed898e5915b9430688a66ac34d35e1e1351c68d7e9d2aa99e1364e95938fb5c579f780e4a7b790c4727828d2154695b846c31
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d5a3da48de4574ddccb2cc5f0ed77447
SHA13231f9282d40d64fd5866fe4e21a8537c80ddfd1
SHA256a3df8598a07ae999a9c9a2f824625d326d9c0306a3d2df95438d524acaf179db
SHA5121f50a25634cbcbee62b312e025871e88aca63267b6992c4ef0c20fc99b85ba139c6a02721d86fd8c93a9e4d865e21af58a06fe18e62f5a3d5c8ddb2853ed9c57
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD539a2f6ddf0e2e20eb8e8276d223d7003
SHA16dd287e9611ba68e658349e8c9abad1f650ede2c
SHA256c8bff2df5e7db6b6aac93f87d0205b842e330c38a532b452f3598798163b6f94
SHA512baefb17d78f03c4b793f37d87555b026c48711699c477be28d2577a0b4e17c0bbf279fae792554a2cb8c51a5aaa6985b239966a44d68188950980ec2623b209c
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Filesize
4.1MB
MD5457409521c05bf575c662be5060b53fc
SHA16cee697ea7bb8ae91c59d26965ff8ffb230dbe4e
SHA2565f8337088593e866b8f1f0c7c9d3ca207fda0a636a425241cff3ac3222128eca
SHA51221e16e6bea980acb36891bacfcdcb9afe4a714ed4f38d46561d6aaf54c97d81ecbb0dc3f4fb5e0df240825e20c8c9d979ab9ab4c3dde526479e1ae23edb89541
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec