Analysis
- max time kernel
144s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
22/08/2024, 01:25
General
- Target 2024-08-22_be1676ab68910fbe39e6d7f8b4aefc77_floxif_icedid.exe
- Size 5.5MB
- Sample240822-btbg5a1eqe
- SHA256 a59479dfc059cd4350872f1fd4847c9a418d48e317b07672a9259fa384c834fc
Malware Config
Extracted
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sality
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http://89.119.67.154/testo5/
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http://kukutrustnet777.info/home.gif
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http://kukutrustnet888.info/home.gif
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http://kukutrustnet987.info/home.gif
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http://www.klkjwre9fqwieluoi.info/
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http://kukutrustnet777888.info/
Signatures
- Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
- 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
- Detects Floxif payload 1 IoCs
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Loads dropped DLL 1 IoCs
- UPX packed file 17 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 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in Program Files directory 2 IoCs
- Drops file in Windows directory 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 12 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- System policy modification 1 TTPs 1 IoCs
Processes
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵
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C:\Windows\system32\dwm.exe"dwm.exe"1⤵
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C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\2024-08-22_be1676ab68910fbe39e6d7f8b4aefc77_floxif_icedid.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-22_be1676ab68910fbe39e6d7f8b4aefc77_floxif_icedid.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Loads dropped DLL
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca1⤵
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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
symsrv.dll
memory/4652-15-0x0000000002840000-0x0000000002841000-memory.dmp
memory/4652-19-0x0000000003580000-0x000000000460E000-memory.dmp
memory/4652-10-0x0000000003580000-0x000000000460E000-memory.dmp
memory/4652-11-0x0000000003580000-0x000000000460E000-memory.dmp
memory/4652-16-0x0000000003580000-0x000000000460E000-memory.dmp
memory/4652-13-0x0000000003580000-0x000000000460E000-memory.dmp
memory/4652-0-0x0000000000400000-0x000000000096F000-memory.dmp
memory/4652-18-0x0000000002830000-0x0000000002832000-memory.dmp
memory/4652-22-0x0000000003580000-0x000000000460E000-memory.dmp
memory/4652-24-0x0000000000462000-0x0000000000465000-memory.dmp
memory/4652-5-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4652-17-0x0000000002830000-0x0000000002832000-memory.dmp
memory/4652-27-0x0000000003580000-0x000000000460E000-memory.dmp
memory/4652-14-0x0000000002830000-0x0000000002832000-memory.dmp
memory/4652-12-0x0000000003580000-0x000000000460E000-memory.dmp
memory/4652-9-0x0000000003580000-0x000000000460E000-memory.dmp
memory/4652-23-0x0000000003580000-0x000000000460E000-memory.dmp
memory/4652-28-0x0000000003580000-0x000000000460E000-memory.dmp
memory/4652-31-0x0000000003580000-0x000000000460E000-memory.dmp
memory/4652-33-0x0000000003580000-0x000000000460E000-memory.dmp
memory/4652-32-0x0000000003580000-0x000000000460E000-memory.dmp
memory/4652-42-0x0000000002830000-0x0000000002832000-memory.dmp
memory/4652-52-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4652-51-0x0000000000400000-0x000000000096F000-memory.dmp