Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
20/06/2024, 19:43
General
- Target a651b5f8a0944c87d238bafbfe8b50f490f8977687014648e195b80212435dd8.exe
- Size 1.1MB
- Sample240620-yfec7avblc
- SHA256 a651b5f8a0944c87d238bafbfe8b50f490f8977687014648e195b80212435dd8
Malware Config
Extracted
-
sality
-
http://89.119.67.154/testo5/
-
http://kukutrustnet777.info/home.gif
-
http://kukutrustnet888.info/home.gif
-
http://kukutrustnet987.info/home.gif
Signatures
- Modifies firewall policy service 3 TTPs 3 IoCs
- Sality
Sality is backdoor written in C++, first discovered in 2003.
- UAC bypass 3 TTPs 1 IoCs
- Windows security bypass 2 TTPs 6 IoCs
- UPX packed file 19 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Windows security modification 2 TTPs 7 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Enumerates connected drives 3 TTPs 3 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in Windows directory 2 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
- System policy modification 1 TTPs 1 IoCs
Processes
-
C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵
-
C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵
-
C:\Windows\system32\dwm.exe"dwm.exe"1⤵
-
C:\Windows\system32\sihost.exesihost.exe1⤵
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵
-
C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
-
C:\Users\Admin\AppData\Local\Temp\a651b5f8a0944c87d238bafbfe8b50f490f8977687014648e195b80212435dd8.exe"C:\Users\Admin\AppData\Local\Temp\a651b5f8a0944c87d238bafbfe8b50f490f8977687014648e195b80212435dd8.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵
-
C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
-
C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
-
C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
-
C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵
-
C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
-
C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
-
C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca1⤵
-
C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
-
C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca1⤵
-
C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
5Replay Monitor
Loading Replay Monitor...
Downloads
memory/804-0-0x0000000000400000-0x000000000051D000-memory.dmp
memory/804-1-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-3-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-6-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-15-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-16-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-21-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-20-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-7-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-19-0x0000000000770000-0x0000000000772000-memory.dmp
memory/804-5-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-18-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-17-0x0000000000770000-0x0000000000772000-memory.dmp
memory/804-9-0x0000000000780000-0x0000000000781000-memory.dmp
memory/804-8-0x0000000000770000-0x0000000000772000-memory.dmp
memory/804-22-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-23-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-24-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-25-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-26-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-28-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-29-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-31-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-30-0x0000000002540000-0x00000000035FA000-memory.dmp
memory/804-50-0x0000000000400000-0x000000000051D000-memory.dmp
memory/804-40-0x0000000000770000-0x0000000000772000-memory.dmp