Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 12:48
Static task
static1
Behavioral task
behavioral1
Sample
01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe
Resource
win10v2004-20240508-en
General
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Target
01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe
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Size
4.1MB
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MD5
389e7a8232b01e62f33818ac0d45d9c4
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SHA1
f3dc9bedd04255bc72160a25cbfa210f0fc11a77
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SHA256
01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80
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SHA512
725f9abc9693c067d91004fff1b6fa6af59e71efecb182c3a186c5a724333bdec8b69f40fc49ba4a43cabe71c9a8c336425c1b5d16b46ea1bae7cb72c09736b5
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SSDEEP
98304:nBVs1p4PpCxl89qkqVHLjfQjDTn2r+NbP:Ba1p4P0l8MfVLMTrP
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1204-2-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral1/memory/1204-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1204-4-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1204-56-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1204-67-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral1/memory/1204-85-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4116-84-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4116-138-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4336-161-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4336-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4336-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4336-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4336-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4336-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4336-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4336-250-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4336-254-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4336-258-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4336-263-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4756 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4336 csrss.exe 2504 injector.exe 4872 windefender.exe 432 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023410-225.dat upx behavioral1/memory/4872-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4872-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/432-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/432-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.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 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 -
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 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe File created C:\Windows\rss\csrss.exe 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.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 972 sc.exe -
pid Process 2384 powershell.exe 4404 powershell.exe 908 powershell.exe 1816 powershell.exe 4668 powershell.exe 4980 powershell.exe 364 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 1040 schtasks.exe 5012 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard 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,-334 = "Jordan Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.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,-2181 = "Astrakhan 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\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern 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 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,-2842 = "Saratov Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1816 powershell.exe 1816 powershell.exe 1204 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 1204 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 4668 powershell.exe 4668 powershell.exe 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 4980 powershell.exe 4980 powershell.exe 364 powershell.exe 364 powershell.exe 2384 powershell.exe 2384 powershell.exe 4404 powershell.exe 4404 powershell.exe 908 powershell.exe 908 powershell.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 4336 csrss.exe 4336 csrss.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 4336 csrss.exe 4336 csrss.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 4336 csrss.exe 4336 csrss.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe 2504 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1816 powershell.exe Token: SeDebugPrivilege 1204 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Token: SeImpersonatePrivilege 1204 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Token: SeDebugPrivilege 4668 powershell.exe Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 364 powershell.exe Token: SeDebugPrivilege 2384 powershell.exe Token: SeDebugPrivilege 4404 powershell.exe Token: SeDebugPrivilege 908 powershell.exe Token: SeSystemEnvironmentPrivilege 4336 csrss.exe Token: SeSecurityPrivilege 972 sc.exe Token: SeSecurityPrivilege 972 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1204 wrote to memory of 1816 1204 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 92 PID 1204 wrote to memory of 1816 1204 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 92 PID 1204 wrote to memory of 1816 1204 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 92 PID 4116 wrote to memory of 4668 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 98 PID 4116 wrote to memory of 4668 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 98 PID 4116 wrote to memory of 4668 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 98 PID 4116 wrote to memory of 4804 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 100 PID 4116 wrote to memory of 4804 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 100 PID 4804 wrote to memory of 4756 4804 cmd.exe 102 PID 4804 wrote to memory of 4756 4804 cmd.exe 102 PID 4116 wrote to memory of 4980 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 103 PID 4116 wrote to memory of 4980 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 103 PID 4116 wrote to memory of 4980 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 103 PID 4116 wrote to memory of 364 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 106 PID 4116 wrote to memory of 364 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 106 PID 4116 wrote to memory of 364 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 106 PID 4116 wrote to memory of 4336 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 109 PID 4116 wrote to memory of 4336 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 109 PID 4116 wrote to memory of 4336 4116 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 109 PID 4336 wrote to memory of 2384 4336 csrss.exe 110 PID 4336 wrote to memory of 2384 4336 csrss.exe 110 PID 4336 wrote to memory of 2384 4336 csrss.exe 110 PID 4336 wrote to memory of 4404 4336 csrss.exe 116 PID 4336 wrote to memory of 4404 4336 csrss.exe 116 PID 4336 wrote to memory of 4404 4336 csrss.exe 116 PID 4336 wrote to memory of 908 4336 csrss.exe 118 PID 4336 wrote to memory of 908 4336 csrss.exe 118 PID 4336 wrote to memory of 908 4336 csrss.exe 118 PID 4336 wrote to memory of 2504 4336 csrss.exe 120 PID 4336 wrote to memory of 2504 4336 csrss.exe 120 PID 4872 wrote to memory of 3056 4872 windefender.exe 126 PID 4872 wrote to memory of 3056 4872 windefender.exe 126 PID 4872 wrote to memory of 3056 4872 windefender.exe 126 PID 3056 wrote to memory of 972 3056 cmd.exe 127 PID 3056 wrote to memory of 972 3056 cmd.exe 127 PID 3056 wrote to memory of 972 3056 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\01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe"C:\Users\Admin\AppData\Local\Temp\01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1816
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C:\Users\Admin\AppData\Local\Temp\01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe"C:\Users\Admin\AppData\Local\Temp\01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.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:4116 -
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:4668
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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:4804 -
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:4756
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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:4980
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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:364
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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:4336 -
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:2384
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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:1040
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2732
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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:4404
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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:908
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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:2504
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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:5012
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4872 -
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:3056 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:972
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:432
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
MD5e7869097de1f77ac26b9c3b74a2aa8af
SHA1f89428e95cbf6621c257503bbe764795058c37ca
SHA256dfb2da4b21a379fc0a161a0928185afb3370e61e17a3c3bbb785a20228e82c6b
SHA51225e9a5cce3571def9c66ee7d8eff2b01931b11ddc84a8d9fed5be2b7e4e9e18dcc02a016872e31670beba1925a4c5cddc869448bc77ed40494ed4f089fb451a5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD584d3c1f63bab59a6dbb25219d9547b61
SHA1d728b7361d6bdb9f9b22c91ff683c59937d4d32a
SHA256f8ea9160be336a895abdf272388985094ed0598bb3aeff5706d32dbaa2f743c7
SHA512855e1ea65c06ba133f009fd79fe7b152d7b317c7fddab801e7605930279b6d026feced4e29f31c53b83d02a75029e63cb516df4aec2be27b154e2439f5961ee2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57fd323444e270325b2eddcd3428994e9
SHA168263327b8f52b3e23cde10b3bb697b1408f951c
SHA256136d56792dfebaa2b9b9f0b9fcf452a7a29ab31e6ca0e226f60754accaf152e0
SHA512103da663551ed6a2992101411ab8fb5ff44aa5c19e464c023dd46866f854ea7ab72c1be88e59e5ece4e3eab8c7712c897471ba9ed2c8a1156b79249439610902
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c39cfa45b13e86d3b0d7f298728342f
SHA19151dee571e442f85dcb8e1e67d30ce1c5e4af77
SHA256330ce5f4bea225065139a06bbd6a611dde4fbf9efc7dd26443dab690884353b5
SHA51269f00e4fecffe6a2ed6610f63e7ba7b6553a88c1c200d43d86b9841dcd2c6b62abfff83ce296900a1543dcb27dc8d83896418502112cda498bafe0935a7f311d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bf7a5ee70f03dd997eb1e6c966864f81
SHA1f01ec68bde1b0a08a76beaa14d4040689a48330e
SHA256ff1223c8e58b78792bda77741c6d9170b3680bddb486b2777c798cd22bc72498
SHA512b7d072a59e49e9b55bc3a81752d2146aa76d86ac568cfcceb4b5a8816727b734190ccf7f82858220d27971a72af01e7b31289efb0ee34b5318da54554a0e8aa5
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Filesize
4.1MB
MD5389e7a8232b01e62f33818ac0d45d9c4
SHA1f3dc9bedd04255bc72160a25cbfa210f0fc11a77
SHA25601ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80
SHA512725f9abc9693c067d91004fff1b6fa6af59e71efecb182c3a186c5a724333bdec8b69f40fc49ba4a43cabe71c9a8c336425c1b5d16b46ea1bae7cb72c09736b5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec