Analysis
-
max time kernel
141s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
08/06/2023, 00:25
Static task
static1
General
-
Target
43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe
-
Size
4.1MB
-
MD5
ea9cffd85045420a6a4e671ecb59cfb0
-
SHA1
f2bd8bd9100354607088b7a1e724e3e80cb423ea
-
SHA256
43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6
-
SHA512
a8770ac0cbe77528a22f5691a6271a134d4a949998ec12533d370e1550121b0fecd4f0be912c71accae6991c851804c2669d2fe50f798e085184bd837d1dc391
-
SSDEEP
98304:X8GtT7KONvb9Pix2XoCrEsQYjOARBWTRZ/y7nROP:XHBTb9PiwXZgsnFBYRZ/kYP
Malware Config
Signatures
-
Glupteba payload 15 IoCs
resource yara_rule behavioral1/memory/1452-134-0x0000000002EF0000-0x00000000037DB000-memory.dmp family_glupteba behavioral1/memory/1452-171-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1452-204-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4696-231-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4696-264-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4168-331-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4168-354-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4168-364-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4168-367-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4168-370-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4168-373-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4168-376-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4168-379-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4168-382-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4168-391-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4900 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4168 csrss.exe 4332 injector.exe 4644 windefender.exe 1400 windefender.exe 1264 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000023164-357.dat upx behavioral1/files/0x0007000000023164-358.dat upx behavioral1/memory/4644-359-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0007000000023164-360.dat upx behavioral1/memory/4644-361-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1400-362-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1400-371-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000500000001f19b-387.dat upx behavioral1/files/0x000500000001f19b-388.dat upx behavioral1/memory/1264-389-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/1400-390-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1264-393-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/1264-395-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\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.
-
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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 -
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 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe File created C:\Windows\rss\csrss.exe 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.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 1624 sc.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 4820 schtasks.exe 1692 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-562 = "SE Asia 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\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\1e\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1764 powershell.exe 1764 powershell.exe 1452 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 1452 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 4576 powershell.exe 4576 powershell.exe 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 3716 powershell.exe 3716 powershell.exe 640 powershell.exe 640 powershell.exe 780 powershell.exe 780 powershell.exe 216 powershell.exe 216 powershell.exe 4724 powershell.exe 4724 powershell.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4168 csrss.exe 4168 csrss.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4168 csrss.exe 4168 csrss.exe 4332 injector.exe 4332 injector.exe 4168 csrss.exe 4168 csrss.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1764 powershell.exe Token: SeDebugPrivilege 1452 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Token: SeImpersonatePrivilege 1452 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe Token: SeDebugPrivilege 4576 powershell.exe Token: SeDebugPrivilege 3716 powershell.exe Token: SeDebugPrivilege 640 powershell.exe Token: SeDebugPrivilege 780 powershell.exe Token: SeDebugPrivilege 216 powershell.exe Token: SeDebugPrivilege 4724 powershell.exe Token: SeSystemEnvironmentPrivilege 4168 csrss.exe Token: SeSecurityPrivilege 1624 sc.exe Token: SeSecurityPrivilege 1624 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1452 wrote to memory of 1764 1452 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 83 PID 1452 wrote to memory of 1764 1452 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 83 PID 1452 wrote to memory of 1764 1452 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 83 PID 4696 wrote to memory of 4576 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 88 PID 4696 wrote to memory of 4576 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 88 PID 4696 wrote to memory of 4576 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 88 PID 4696 wrote to memory of 2060 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 90 PID 4696 wrote to memory of 2060 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 90 PID 2060 wrote to memory of 4900 2060 cmd.exe 92 PID 2060 wrote to memory of 4900 2060 cmd.exe 92 PID 4696 wrote to memory of 3716 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 93 PID 4696 wrote to memory of 3716 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 93 PID 4696 wrote to memory of 3716 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 93 PID 4696 wrote to memory of 640 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 95 PID 4696 wrote to memory of 640 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 95 PID 4696 wrote to memory of 640 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 95 PID 4696 wrote to memory of 4168 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 98 PID 4696 wrote to memory of 4168 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 98 PID 4696 wrote to memory of 4168 4696 43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe 98 PID 4168 wrote to memory of 780 4168 csrss.exe 99 PID 4168 wrote to memory of 780 4168 csrss.exe 99 PID 4168 wrote to memory of 780 4168 csrss.exe 99 PID 4168 wrote to memory of 216 4168 csrss.exe 108 PID 4168 wrote to memory of 216 4168 csrss.exe 108 PID 4168 wrote to memory of 216 4168 csrss.exe 108 PID 4168 wrote to memory of 4724 4168 csrss.exe 112 PID 4168 wrote to memory of 4724 4168 csrss.exe 112 PID 4168 wrote to memory of 4724 4168 csrss.exe 112 PID 4168 wrote to memory of 4332 4168 csrss.exe 114 PID 4168 wrote to memory of 4332 4168 csrss.exe 114 PID 4644 wrote to memory of 4920 4644 windefender.exe 120 PID 4644 wrote to memory of 4920 4644 windefender.exe 120 PID 4644 wrote to memory of 4920 4644 windefender.exe 120 PID 4920 wrote to memory of 1624 4920 cmd.exe 121 PID 4920 wrote to memory of 1624 4920 cmd.exe 121 PID 4920 wrote to memory of 1624 4920 cmd.exe 121 PID 4168 wrote to memory of 1264 4168 csrss.exe 124 PID 4168 wrote to memory of 1264 4168 csrss.exe 124 PID 4168 wrote to memory of 1264 4168 csrss.exe 124 -
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
-
C:\Users\Admin\AppData\Local\Temp\43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe"C:\Users\Admin\AppData\Local\Temp\43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1452 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1764
-
-
C:\Users\Admin\AppData\Local\Temp\43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.exe"C:\Users\Admin\AppData\Local\Temp\43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6.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:4696 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4576
-
-
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:2060 -
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:4900
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3716
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:640
-
-
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:4168 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:780
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4820
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4656
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:216
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4724
-
-
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:4332
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1692
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4644 -
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:4920 -
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:1624
-
-
-
-
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:1264 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:2436
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:1908
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1400
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
-
Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
-
Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5608806625affbd21c05980e3fe73ba73
SHA150981a9f71fa30f8ad99a743a52f3155e122f623
SHA25669a8c1e51233f6ea94d896e94be9eec0dccbefb1aa8c4b3926b4d03826c2fedc
SHA5125e1dfb42f32ab736dfa76a5a4c923a1b0285cca2bedb5ec7d91fe4cd5379948405c0fb77e1b3f1d22812bf22171c548e3923f0315ae3bdc5a4f150ee2a77d629
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5df91864b82b0d47b3da1b816fbace8f6
SHA17970b5399de70fc2e8e2eaae4941f67016e45d21
SHA256e0e1575c450c9333f734d6e448b6da3d553085e21fa74f0eaea83bd04d0391f1
SHA512d32a23433078c93e37c22a099e1d3e8835e97bcf7e09fe0d5c0191bd33e077673969db50254fa994d530aeefaf9618c24667d936d0ebf7031b1cade11b883957
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5458b6be3b60e4f057d9b59b6ef649bf9
SHA1dd77e8e93fe9b707ab9dcce68bf692f464437344
SHA256541a0d185ab6d8880186f75849cc43350806c91a77c10446125b519273c1ec7e
SHA512d142d221b6c58a1fa584238acacb12fe2ec8500b98622157c92aff5efc7ba47e59fc09a4101510c4e0c7fa52d1d91f0d5aefb42becee7a8dda0818cb9a9c8337
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5abb81e3719582049d0538a98bcf1f602
SHA1bb9cee77de9d32fd119d4106f653ef3b91398f1e
SHA256077b7704fda3aaa5edd79aeb838d27db9d1874ba3a223f25c99a6928f743ebdc
SHA512d75a01659b308ea9c13801155dda5909d0e49ee2ea09bd39114f6e025e7c9c2e3d4e20d3153d498d6834815f05381c9ea3313956eebf1a1d0543061419d4d59c
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59addc4a074fea0ae90e6da56baf011bb
SHA1124a0d4f2077af2452a67752ffc8c20cc49eca69
SHA2562032b0eee7b62e733793a2382c8834287bd3b3a5bc3653857e47dd4d535f6ca6
SHA51238910947e7634aa2cc3886e54f9708c6e7eb24ce9e626d67281cdae34516e95edd18bd8d60c8cbcb33a23f8397e66b92666a7620a906500a8ae0a599e40ed6e1
-
Filesize
4.1MB
MD5ea9cffd85045420a6a4e671ecb59cfb0
SHA1f2bd8bd9100354607088b7a1e724e3e80cb423ea
SHA25643c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6
SHA512a8770ac0cbe77528a22f5691a6271a134d4a949998ec12533d370e1550121b0fecd4f0be912c71accae6991c851804c2669d2fe50f798e085184bd837d1dc391
-
Filesize
4.1MB
MD5ea9cffd85045420a6a4e671ecb59cfb0
SHA1f2bd8bd9100354607088b7a1e724e3e80cb423ea
SHA25643c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6
SHA512a8770ac0cbe77528a22f5691a6271a134d4a949998ec12533d370e1550121b0fecd4f0be912c71accae6991c851804c2669d2fe50f798e085184bd837d1dc391
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec