Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 13:09
Static task
static1
Behavioral task
behavioral1
Sample
bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe
Resource
win10v2004-20240426-en
General
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Target
bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe
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Size
4.1MB
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MD5
406858dc0f392b187c95fb7ee8272b61
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SHA1
ecef9f48818e324279a4da9aa8a5b83d67db952c
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SHA256
bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d
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SHA512
408a526e00d8e94c4bfff4a38d18cc91bb1a2ef5075a2fc9d7258ff4954eb09766ea63bc560ba15cf704ef329400ad1116e538b5edc7cdcbc111bcbcb9ed3881
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SSDEEP
98304:/hzlfCz+ccJ0CpUiRHjJlGcG1klIkRd3fLKEv5:Jz9CiccJ0CpfGcGG1DfLn
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4568-2-0x0000000004D30000-0x000000000561B000-memory.dmp family_glupteba behavioral1/memory/4568-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4568-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4568-67-0x0000000004D30000-0x000000000561B000-memory.dmp family_glupteba behavioral1/memory/1820-133-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4568-137-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1240-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1240-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1240-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1240-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1240-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1240-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1240-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1240-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1240-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1240-250-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1240-254-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1240-256-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5240 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1240 csrss.exe 2340 injector.exe 2924 windefender.exe 3200 windefender.exe -
resource yara_rule behavioral1/files/0x000b00000002296a-219.dat upx behavioral1/memory/2924-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3200-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2924-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3200-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3200-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe File created C:\Windows\rss\csrss.exe bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe File created 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 6120 sc.exe -
pid Process 2240 powershell.exe 2020 powershell.exe 4128 powershell.exe 5668 powershell.exe 1524 powershell.exe 1712 powershell.exe 6084 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 4580 schtasks.exe 6024 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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,-161 = "Central Daylight Time" windefender.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,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-841 = "Argentina Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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,-1972 = "Belarus Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2240 powershell.exe 2240 powershell.exe 4568 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 4568 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 2020 powershell.exe 2020 powershell.exe 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 4128 powershell.exe 4128 powershell.exe 5668 powershell.exe 5668 powershell.exe 1524 powershell.exe 1524 powershell.exe 1712 powershell.exe 1712 powershell.exe 6084 powershell.exe 6084 powershell.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 1240 csrss.exe 1240 csrss.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 1240 csrss.exe 1240 csrss.exe 2340 injector.exe 2340 injector.exe 1240 csrss.exe 1240 csrss.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe 2340 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2240 powershell.exe Token: SeDebugPrivilege 4568 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Token: SeImpersonatePrivilege 4568 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe Token: SeDebugPrivilege 2020 powershell.exe Token: SeDebugPrivilege 4128 powershell.exe Token: SeDebugPrivilege 5668 powershell.exe Token: SeDebugPrivilege 1524 powershell.exe Token: SeDebugPrivilege 1712 powershell.exe Token: SeDebugPrivilege 6084 powershell.exe Token: SeSystemEnvironmentPrivilege 1240 csrss.exe Token: SeSecurityPrivilege 6120 sc.exe Token: SeSecurityPrivilege 6120 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4568 wrote to memory of 2240 4568 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 92 PID 4568 wrote to memory of 2240 4568 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 92 PID 4568 wrote to memory of 2240 4568 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 92 PID 1820 wrote to memory of 2020 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 98 PID 1820 wrote to memory of 2020 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 98 PID 1820 wrote to memory of 2020 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 98 PID 1820 wrote to memory of 2888 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 100 PID 1820 wrote to memory of 2888 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 100 PID 2888 wrote to memory of 5240 2888 cmd.exe 102 PID 2888 wrote to memory of 5240 2888 cmd.exe 102 PID 1820 wrote to memory of 4128 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 103 PID 1820 wrote to memory of 4128 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 103 PID 1820 wrote to memory of 4128 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 103 PID 1820 wrote to memory of 5668 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 105 PID 1820 wrote to memory of 5668 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 105 PID 1820 wrote to memory of 5668 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 105 PID 1820 wrote to memory of 1240 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 107 PID 1820 wrote to memory of 1240 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 107 PID 1820 wrote to memory of 1240 1820 bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe 107 PID 1240 wrote to memory of 1524 1240 csrss.exe 108 PID 1240 wrote to memory of 1524 1240 csrss.exe 108 PID 1240 wrote to memory of 1524 1240 csrss.exe 108 PID 1240 wrote to memory of 1712 1240 csrss.exe 113 PID 1240 wrote to memory of 1712 1240 csrss.exe 113 PID 1240 wrote to memory of 1712 1240 csrss.exe 113 PID 1240 wrote to memory of 6084 1240 csrss.exe 116 PID 1240 wrote to memory of 6084 1240 csrss.exe 116 PID 1240 wrote to memory of 6084 1240 csrss.exe 116 PID 1240 wrote to memory of 2340 1240 csrss.exe 119 PID 1240 wrote to memory of 2340 1240 csrss.exe 119 PID 2924 wrote to memory of 3824 2924 windefender.exe 126 PID 2924 wrote to memory of 3824 2924 windefender.exe 126 PID 2924 wrote to memory of 3824 2924 windefender.exe 126 PID 3824 wrote to memory of 6120 3824 cmd.exe 127 PID 3824 wrote to memory of 6120 3824 cmd.exe 127 PID 3824 wrote to memory of 6120 3824 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\bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe"C:\Users\Admin\AppData\Local\Temp\bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4568 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2240
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C:\Users\Admin\AppData\Local\Temp\bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.exe"C:\Users\Admin\AppData\Local\Temp\bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d.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:1820 -
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:2020
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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:2888 -
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:5240
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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:4128
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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:5668
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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:1240 -
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:1524
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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:4580
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3484
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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:1712
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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:6084
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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:2340
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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:6024
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2924 -
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:3824 -
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:6120
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3200
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD504468c6cdf1a98d63aeacb21cf840798
SHA1d24d283d8afcb7af6e0db16e3b72577c55638057
SHA25661273b6aff66524d72fc283fcd23e7a5c3ca4ab137fe1d79da6061abcb6ce37b
SHA5127f8ba7be3dec4556f5f46b8555a6494fee733d9de093fd3be274ede281d8d23834163520e596d91dbdc26f42f6c9ae0d78e92a233dcb9375fe4f6f8792d4d4d3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53244e67d3599cde8f9cc9bef3f296e18
SHA140942f07f7cf126ef6c5327b47bd48b6ac5128fe
SHA25648cbf9a4c79c6240f72f6616d1cc33b11f3f80e99c245a81e440c4e532ed8c99
SHA5120220630e7cd9655ac7956d284bb9c22b6b01e9db16a1c928dfedcd9055b1df27d5be6d0a92aa6d615767c266309a848ceb664624e7738025271ed92d27350049
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e96934bd4720dd1e4732237b4cf08ea2
SHA1e8f16165977380d4e17f817db5b02349334a957d
SHA256ebd2b4809027f173cd0985fa6fde94be678add071dbf8a54386b50e33d51dae3
SHA51229c90c6f4220c1273c8237071c6e02ddc3f4f7b9ae22e254c0795fef9c0aa450bc0d98782913688c83f8946f33250f713694b0f64d4974177a0b07c633f5e087
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD581b7419afab1b14cd5265fb0705d3000
SHA146c9278ed9fb9942318c041c882a9f42987f66e4
SHA256ab070fccd72dbc0f395dfb3864f9398d7b3c5a63bc19464c20373dfa63ab16f2
SHA5121934df77615058fb1ae10d2a94f2bc2ba33a200dad0fb6b33c7cd928d379c4e26bb4c0cd893e9ace482e07a4afb93942cb9da894ec5fb0ca96315e39323322e9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52af2e43c2b0111409045b781843e6d27
SHA129b01c8dddc9ee7d0719721982f6cd19ab2c8ff5
SHA256672c69b8db864b7fb24d64296497e2796d26781eabc53e73dea8a7f84a241111
SHA512a167f8bf29e2ae487cc0713fd014ff218cbf9be14ab57f23f132431919df76061999dd43183098260f882a3be04d10de5d64d5aa0a2f352c982a1473fac6020d
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Filesize
4.1MB
MD5406858dc0f392b187c95fb7ee8272b61
SHA1ecef9f48818e324279a4da9aa8a5b83d67db952c
SHA256bb071af337e77ebe1a8a5506030cd2572929f558e3ae5ac5ecfc3e2f01e6376d
SHA512408a526e00d8e94c4bfff4a38d18cc91bb1a2ef5075a2fc9d7258ff4954eb09766ea63bc560ba15cf704ef329400ad1116e538b5edc7cdcbc111bcbcb9ed3881
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec