Analysis
-
max time kernel
150s -
max time network
138s -
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 13:06
Static task
static1
Behavioral task
behavioral1
Sample
b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe
Resource
win10v2004-20240426-en
General
-
Target
b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe
-
Size
4.1MB
-
MD5
4a7ff395bc9a1a3102e533972a2119bf
-
SHA1
393e50006c8d709bf9724a37e6bcffca33fdf78c
-
SHA256
b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5
-
SHA512
9304b8ba94516b92d5360f3e8aec3acc2bd74d0e748fe67a06101f155cd30adaf83d8ef83ae2cf76b299c3e6b7ece0fb1f49b705921760bdbc71307551f96864
-
SSDEEP
98304:vhzlfCz+ccJ0CpUiRHjJlGcG1klIkRd3fLKEvd:Zz9CiccJ0CpfGcGG1DfLT
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4064-2-0x0000000004BF0000-0x00000000054DB000-memory.dmp family_glupteba behavioral1/memory/4064-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4064-42-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4064-57-0x0000000004BF0000-0x00000000054DB000-memory.dmp family_glupteba behavioral1/memory/4064-138-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4064-136-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1624-137-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1648-212-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1648-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1648-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1648-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1648-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1648-243-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1648-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1648-251-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1648-255-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1648-259-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1648-263-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1648-267-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 792 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1648 csrss.exe 960 injector.exe 4252 windefender.exe 2904 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023422-221.dat upx behavioral1/memory/4252-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2904-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4252-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2904-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2904-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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 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 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 -
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 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe File created C:\Windows\rss\csrss.exe b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.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 3708 sc.exe -
pid Process 2680 powershell.exe 4804 powershell.exe 528 powershell.exe 2276 powershell.exe 2512 powershell.exe 2912 powershell.exe 2828 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 4488 schtasks.exe 848 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,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.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\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 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" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2512 powershell.exe 2512 powershell.exe 4064 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 4064 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 2912 powershell.exe 2912 powershell.exe 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 2828 powershell.exe 2828 powershell.exe 2680 powershell.exe 2680 powershell.exe 4804 powershell.exe 4804 powershell.exe 528 powershell.exe 528 powershell.exe 2276 powershell.exe 2276 powershell.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 1648 csrss.exe 1648 csrss.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 1648 csrss.exe 1648 csrss.exe 960 injector.exe 960 injector.exe 1648 csrss.exe 1648 csrss.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2512 powershell.exe Token: SeDebugPrivilege 4064 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Token: SeImpersonatePrivilege 4064 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe Token: SeDebugPrivilege 2912 powershell.exe Token: SeDebugPrivilege 2828 powershell.exe Token: SeDebugPrivilege 2680 powershell.exe Token: SeDebugPrivilege 4804 powershell.exe Token: SeDebugPrivilege 528 powershell.exe Token: SeDebugPrivilege 2276 powershell.exe Token: SeSystemEnvironmentPrivilege 1648 csrss.exe Token: SeSecurityPrivilege 3708 sc.exe Token: SeSecurityPrivilege 3708 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4064 wrote to memory of 2512 4064 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 92 PID 4064 wrote to memory of 2512 4064 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 92 PID 4064 wrote to memory of 2512 4064 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 92 PID 1624 wrote to memory of 2912 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 98 PID 1624 wrote to memory of 2912 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 98 PID 1624 wrote to memory of 2912 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 98 PID 1624 wrote to memory of 2020 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 100 PID 1624 wrote to memory of 2020 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 100 PID 2020 wrote to memory of 792 2020 cmd.exe 102 PID 2020 wrote to memory of 792 2020 cmd.exe 102 PID 1624 wrote to memory of 2828 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 103 PID 1624 wrote to memory of 2828 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 103 PID 1624 wrote to memory of 2828 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 103 PID 1624 wrote to memory of 2680 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 105 PID 1624 wrote to memory of 2680 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 105 PID 1624 wrote to memory of 2680 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 105 PID 1624 wrote to memory of 1648 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 107 PID 1624 wrote to memory of 1648 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 107 PID 1624 wrote to memory of 1648 1624 b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe 107 PID 1648 wrote to memory of 4804 1648 csrss.exe 108 PID 1648 wrote to memory of 4804 1648 csrss.exe 108 PID 1648 wrote to memory of 4804 1648 csrss.exe 108 PID 1648 wrote to memory of 528 1648 csrss.exe 115 PID 1648 wrote to memory of 528 1648 csrss.exe 115 PID 1648 wrote to memory of 528 1648 csrss.exe 115 PID 1648 wrote to memory of 2276 1648 csrss.exe 117 PID 1648 wrote to memory of 2276 1648 csrss.exe 117 PID 1648 wrote to memory of 2276 1648 csrss.exe 117 PID 1648 wrote to memory of 960 1648 csrss.exe 120 PID 1648 wrote to memory of 960 1648 csrss.exe 120 PID 4252 wrote to memory of 1540 4252 windefender.exe 126 PID 4252 wrote to memory of 1540 4252 windefender.exe 126 PID 4252 wrote to memory of 1540 4252 windefender.exe 126 PID 1540 wrote to memory of 3708 1540 cmd.exe 127 PID 1540 wrote to memory of 3708 1540 cmd.exe 127 PID 1540 wrote to memory of 3708 1540 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
-
C:\Users\Admin\AppData\Local\Temp\b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe"C:\Users\Admin\AppData\Local\Temp\b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4064 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2512
-
-
C:\Users\Admin\AppData\Local\Temp\b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.exe"C:\Users\Admin\AppData\Local\Temp\b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5.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:1624 -
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:2912
-
-
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:2020 -
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:792
-
-
-
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:2828
-
-
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:2680
-
-
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:1648 -
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:4804
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:848
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4308
-
-
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:528
-
-
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:2276
-
-
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:960
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4488
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4252 -
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:1540 -
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:3708
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2904
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
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
MD58162d40ab1868cfc446217e96d6c148c
SHA18d2fc8092bb11a195f55758c39146bad72fc6aa5
SHA256eee53595149ec423804fc9b7382c828a2c268d0f3ba829fa517e0c062e771ae7
SHA512662626c6e1443dfd49ba502e9176d3f8716be29b8e3929128f8f7f674d94838929e15406c0526b1021f58dd9f29fa2f984877bb85cd99d43fd4243fc8b450971
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58efb3e080147ca59e0bb604d640c6307
SHA1c6099baf7be789f72575613e8561b1d872b075f1
SHA2561fe20e32ac195b311243967cdcbcd8aaea9e208b19b537441941f1739febef8d
SHA51253eaa8dae54de2dd90ec0eb78e59bfd15ba422bd6561aa27979cb5ac50941abe7f7ee7cc438d2ecdd990469caa7e3b19d9fc395d7ad5e31436ac485dbc27e0f7
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5380a85e8b8f0d952d9dbfb7c38a19d64
SHA1da9a6612086234a31603bda2a7fff346bd2ab657
SHA25662bae35b299552e085ab99f9354e9e2ae8deeaf790fbe2ae9e8feb02dd8da579
SHA5127d5b1284b02ff18bfe023e53b440399411b77ad90e1878aefc8c56c5d83cb8860c064b4184286b0764a89e60d4dee53ff6e85dfab56bca0f3d8ce0d0aad32e75
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52be1e65d25ff3f1143d9d5bb80706223
SHA1855bbfc08e06780c9f3442a59e0b898a11878cdb
SHA2565193610edadbe52d0bc9b7885012202b6212e264647e9ad07b63d0a570831b70
SHA5129c983e77f1547de5d8e4dc9bb6275d6a1cb436cd620008b0636f71b29d3ba7b4ff0f9223a6a9c4648524f1c764ce520090e14dc33b063ad730c2f2336b8f2d45
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD577d5a5c87d11aa904def4d2a7e544bb9
SHA15deca1e616cf78d45d1f2af507b4bd34234f2ca5
SHA2569ebc6cd4b0d7d883d9e58e3f32601da32c40f1687a7cd975bd6be5d4bb060451
SHA512d8d948b2785b23406474e4ddbdef38dad5fa4e2033a973fda48f02331ccaca048a1c40ce88e6ce95afc1065cfbdc6635c56a144780b68040ea5e353dfb50b9ba
-
Filesize
4.1MB
MD54a7ff395bc9a1a3102e533972a2119bf
SHA1393e50006c8d709bf9724a37e6bcffca33fdf78c
SHA256b09388d90b0f89d3b615ef80eb5c1dc65aa1d2c6af24d7d736c8f7ed8c851ac5
SHA5129304b8ba94516b92d5360f3e8aec3acc2bd74d0e748fe67a06101f155cd30adaf83d8ef83ae2cf76b299c3e6b7ece0fb1f49b705921760bdbc71307551f96864
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec