Analysis
-
max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 14:04
Static task
static1
Behavioral task
behavioral1
Sample
50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe
Resource
win10v2004-20240508-en
General
-
Target
50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe
-
Size
4.1MB
-
MD5
e58d1153bc8172c3df9e53d601aecbaf
-
SHA1
eb36698471b8f27a30f112b4d813d9d7140b9a70
-
SHA256
50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e
-
SHA512
7eae257b03e4957930c2a318b19717f713e079432a5d30d83438d6386e90dca41973031128f7b324e8c00eacf68df23746ff5476a16c8876823c4d521f39e9f7
-
SSDEEP
98304:IuOdAWE/bfbxbxBimum48oJjLrUZhWcgWy75MTps2CObMUZCzBSS:IuOpIddBi3V8Ojm7gWylM939C3
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3808-2-0x00000000049B0000-0x000000000529B000-memory.dmp family_glupteba behavioral1/memory/3808-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3808-83-0x00000000049B0000-0x000000000529B000-memory.dmp family_glupteba behavioral1/memory/3808-82-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/852-133-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3808-147-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2612-210-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/2612-220-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/2612-227-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/2612-230-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/2612-233-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/2612-236-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/2612-239-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/2612-242-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/2612-245-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/2612-248-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/2612-251-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/2612-254-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/2612-257-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2648 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2612 csrss.exe 1964 injector.exe 1568 windefender.exe 5104 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000233f1-219.dat upx behavioral1/memory/1568-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5104-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1568-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5104-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5104-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe File created C:\Windows\rss\csrss.exe 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.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 4136 sc.exe -
pid Process 2964 powershell.exe 1504 powershell.exe 4696 powershell.exe 5056 powershell.exe 3252 powershell.exe 1896 powershell.exe 1764 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 2148 schtasks.exe 4176 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti 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\@tzres.dll,-751 = "Tonga Daylight Time" windefender.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,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight 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\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.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,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.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,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.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\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1896 powershell.exe 1896 powershell.exe 3808 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 3808 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 1764 powershell.exe 1764 powershell.exe 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 2964 powershell.exe 2964 powershell.exe 1504 powershell.exe 1504 powershell.exe 4696 powershell.exe 4696 powershell.exe 5056 powershell.exe 5056 powershell.exe 3252 powershell.exe 3252 powershell.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 2612 csrss.exe 2612 csrss.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 2612 csrss.exe 2612 csrss.exe 1964 injector.exe 1964 injector.exe 2612 csrss.exe 2612 csrss.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1896 powershell.exe Token: SeDebugPrivilege 3808 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Token: SeImpersonatePrivilege 3808 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe Token: SeDebugPrivilege 1764 powershell.exe Token: SeDebugPrivilege 2964 powershell.exe Token: SeDebugPrivilege 1504 powershell.exe Token: SeDebugPrivilege 4696 powershell.exe Token: SeDebugPrivilege 5056 powershell.exe Token: SeDebugPrivilege 3252 powershell.exe Token: SeSystemEnvironmentPrivilege 2612 csrss.exe Token: SeSecurityPrivilege 4136 sc.exe Token: SeSecurityPrivilege 4136 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3808 wrote to memory of 1896 3808 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 84 PID 3808 wrote to memory of 1896 3808 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 84 PID 3808 wrote to memory of 1896 3808 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 84 PID 852 wrote to memory of 1764 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 94 PID 852 wrote to memory of 1764 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 94 PID 852 wrote to memory of 1764 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 94 PID 852 wrote to memory of 2172 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 97 PID 852 wrote to memory of 2172 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 97 PID 2172 wrote to memory of 2648 2172 cmd.exe 99 PID 2172 wrote to memory of 2648 2172 cmd.exe 99 PID 852 wrote to memory of 2964 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 101 PID 852 wrote to memory of 2964 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 101 PID 852 wrote to memory of 2964 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 101 PID 852 wrote to memory of 1504 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 103 PID 852 wrote to memory of 1504 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 103 PID 852 wrote to memory of 1504 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 103 PID 852 wrote to memory of 2612 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 105 PID 852 wrote to memory of 2612 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 105 PID 852 wrote to memory of 2612 852 50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe 105 PID 2612 wrote to memory of 4696 2612 csrss.exe 106 PID 2612 wrote to memory of 4696 2612 csrss.exe 106 PID 2612 wrote to memory of 4696 2612 csrss.exe 106 PID 2612 wrote to memory of 5056 2612 csrss.exe 112 PID 2612 wrote to memory of 5056 2612 csrss.exe 112 PID 2612 wrote to memory of 5056 2612 csrss.exe 112 PID 2612 wrote to memory of 3252 2612 csrss.exe 114 PID 2612 wrote to memory of 3252 2612 csrss.exe 114 PID 2612 wrote to memory of 3252 2612 csrss.exe 114 PID 2612 wrote to memory of 1964 2612 csrss.exe 116 PID 2612 wrote to memory of 1964 2612 csrss.exe 116 PID 1568 wrote to memory of 4068 1568 windefender.exe 124 PID 1568 wrote to memory of 4068 1568 windefender.exe 124 PID 1568 wrote to memory of 4068 1568 windefender.exe 124 PID 4068 wrote to memory of 4136 4068 cmd.exe 125 PID 4068 wrote to memory of 4136 4068 cmd.exe 125 PID 4068 wrote to memory of 4136 4068 cmd.exe 125 -
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\50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe"C:\Users\Admin\AppData\Local\Temp\50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3808 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1896
-
-
C:\Users\Admin\AppData\Local\Temp\50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.exe"C:\Users\Admin\AppData\Local\Temp\50a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e.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:852 -
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:1764
-
-
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:2172 -
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:2648
-
-
-
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:2964
-
-
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:1504
-
-
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:2612 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4696
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2148
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4436
-
-
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:5056
-
-
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:3252
-
-
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:1964
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4176
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1568 -
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:4068 -
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:4136
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5104
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
MD512dec97469d4e1b91f9b551a42250eed
SHA17a283c9a5ecdb9505cb0458696d8f7cd240e80b9
SHA256d761cc217f766d41961ae16c6cb49ff3945637f79d1738ac8f363385200ad1e6
SHA512fd160c8fb804621e5ce9af289a5744e147a693d17876c3a6fd95ccbb07305d3616a0522f5fc2a6f213acc40fdced069d5a8a68acd7fd9d55b90923f0a8191f1a
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ba872242a8556e07ee347b8b40ef668
SHA136b256efcb14e9b6e0e1f2eeaa844415be8db51a
SHA2560525d16a141a1c10951fbedfd9d8a791c121b215f2dd2b94f9c1d03d8412e196
SHA512531787a4f006f3c14513b92124dd3c6c0d28f070763c0f4dfada911af234332d6d3ab34bde459da5d797442ffeb401f17e23ca4f6f01fc53b9498d320bf4938f
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD542a0209a084681526117dfe424624ca9
SHA1f7d0165a6b3d789a069f2e4b22657a1365555782
SHA256cced7b157fdd2e5b174dd0f2a2960fd2d845928ca55c29035b090d85e4ddbca8
SHA512a02c6b5f543c420ee93dc2e34bda134666a39deeb3c0ff6e2c21792761ee4327f03374274e6d1d4ccf331167671f0ccc97085d04532044e1b9e7f3792d728bfd
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50737d3d11e9b3ea5a139862195b8541c
SHA1d98aa280fbe7edfd99a49886855e98e0d431ce14
SHA256330f65b02da89a0c28781d257ad1a5924aadc3a1cf51c227b3c547478ddf994d
SHA51286f5e0c2597937f8cf0ca4e12542e1a56baf3692548f8a002fff44e69a458d8cebdd83b9876143f4f33e2a560c70c3a61cc378fccbe29d87bbc633f07960ae16
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b0696fc4e267770f9183e9b7576d388
SHA1daff7dbc635694d9228b8173c9ac20d74e271e84
SHA256fa902becc5382fec9b4ab40e5204f81edd6079f91496d56b03bf9521603d4479
SHA512ed72a7526046c0f599c7354edc83769d7b7c7a4db04833ae9eaf503eee60236e3f589627249eb894cfacca829d9f9048a7a4b719cf37a9cc0ea8debaa3f997d1
-
Filesize
4.1MB
MD5e58d1153bc8172c3df9e53d601aecbaf
SHA1eb36698471b8f27a30f112b4d813d9d7140b9a70
SHA25650a293e4e7599db16d9d573d3a4f34a48422f4f8517cba105b0b0f90d1eba37e
SHA5127eae257b03e4957930c2a318b19717f713e079432a5d30d83438d6386e90dca41973031128f7b324e8c00eacf68df23746ff5476a16c8876823c4d521f39e9f7
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec