Analysis
- max time kernel
140s - max time network
110s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
25/06/2024, 21:27
General
- Target 0f96b0622e13675b9579d7e5cd12d4fc_JaffaCakes118.exe
- Size 622KB
- Sample240625-1aw26athmh
- SHA256 ea7d0561a0d804309f42c23761caddf11eed8f97f0bc96a1647a2f344ae5da50
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
- 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
- Disables RegEdit via registry modification 1 IoCs
- Disables Task Manager via registry modification
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 3 IoCs
- UPX packed file 27 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 11 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in Windows directory 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of WriteProcessMemory 41 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\0f96b0622e13675b9579d7e5cd12d4fc_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\0f96b0622e13675b9579d7e5cd12d4fc_JaffaCakes118.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- Loads dropped DLL
- 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
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\??\c:\e650f9aa54d44debf22778940ebb13\update\update.exec:\e650f9aa54d44debf22778940ebb13\update\update.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
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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⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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
0f96b0622e13675b9579d7e5cd12d4fc_JaffaCakes118.exe
_sfx_.dll
update.exe
updspapi.dll
memory/1652-73-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-68-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-15-0x0000000000C20000-0x0000000000C22000-memory.dmp
memory/1652-14-0x00000000038A0000-0x00000000038A1000-memory.dmp
memory/1652-13-0x0000000000C20000-0x0000000000C22000-memory.dmp
memory/1652-12-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-9-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-11-0x0000000001002000-0x0000000001003000-memory.dmp
memory/1652-10-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-16-0x0000000001000000-0x00000000010AE000-memory.dmp
memory/1652-8-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-4-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-67-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-69-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-74-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-71-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-70-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-72-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-17-0x0000000001000000-0x00000000010AE000-memory.dmp
memory/1652-0-0x0000000001000000-0x00000000010AE000-memory.dmp
memory/1652-129-0x0000000001000000-0x00000000010AE000-memory.dmp
memory/1652-1-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-79-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-80-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-113-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-121-0x0000000000C20000-0x0000000000C22000-memory.dmp
memory/1652-84-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-86-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-87-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-90-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-91-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-93-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-94-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-95-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-98-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/1652-99-0x00000000024C0000-0x000000000354E000-memory.dmp
memory/2772-105-0x0000000000FE0000-0x0000000000FE2000-memory.dmp
memory/2772-78-0x0000000000D00000-0x0000000000D5E000-memory.dmp
memory/2772-83-0x0000000000FE0000-0x0000000000FE2000-memory.dmp
memory/2772-82-0x0000000000FF0000-0x0000000000FF1000-memory.dmp