Analysis
- max time kernel
150s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
04/05/2026, 12:36
General
- Target efd5882cd7326b31bdac9fcea712daf7.exe
- Size 301KB
- Sample260504-ps26cabx61
- SHA256 4445472286d72bed5064b6601fc4d20b81addfe1ed805181930302aa8c2c65be
Malware Config
Signatures
- Family: Citadel
Citadel is a trojan and botnet written in C.
- Detects Citadel payload 30 IoCs
- Executes dropped EXE 2 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies Internet Explorer settings 1 TTPs 2 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
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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\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\efd5882cd7326b31bdac9fcea712daf7.exe"C:\Users\Admin\AppData\Local\Temp\efd5882cd7326b31bdac9fcea712daf7.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Keabir\loez.exe"C:\Users\Admin\AppData\Roaming\Keabir\loez.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp3748c931.bat"3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV14⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca1⤵
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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\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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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\system32\svchost.exeC:\Windows\system32\svchost.exe -k UdkSvcGroup -s UdkUserSvc1⤵
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{973D20D7-562D-44B9-B70B-5A0F49CCDF3F}1⤵
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C:\Users\Admin\AppData\Roaming\Keabir\loez.exeC:\Users\Admin\AppData\Roaming\Keabir\loez.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
loez.exe
ydcod.odm
memory/672-49-0x0000000000400000-0x000000000043C000-memory.dmp
memory/888-39-0x0000000000900000-0x000000000093C000-memory.dmp
memory/888-47-0x0000000000900000-0x000000000093C000-memory.dmp
memory/2116-15-0x00000000022D0000-0x000000000230C000-memory.dmp
memory/2116-16-0x00000000022D0000-0x000000000230C000-memory.dmp
memory/2116-4-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2116-12-0x00000000022D0000-0x000000000230C000-memory.dmp
memory/2116-13-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2116-42-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2116-17-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2116-2-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2116-14-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2116-19-0x00000000022D0000-0x000000000230C000-memory.dmp
memory/2116-26-0x00000000022D0000-0x000000000230C000-memory.dmp
memory/2116-3-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2116-46-0x00000000021C0000-0x00000000021FC000-memory.dmp
memory/2116-0-0x00000000021C0000-0x00000000021FC000-memory.dmp
memory/2116-1-0x0000000000400000-0x000000000043C000-memory.dmp
memory/5100-37-0x0000000000400000-0x000000000043C000-memory.dmp
memory/5100-38-0x0000000000400000-0x000000000043C000-memory.dmp
memory/5100-33-0x0000000000400000-0x000000000043C000-memory.dmp
memory/5100-11-0x0000000000400000-0x000000000044A000-memory.dmp
memory/5100-36-0x0000000000400000-0x000000000043C000-memory.dmp
memory/5100-35-0x0000000000400000-0x000000000043C000-memory.dmp
memory/5100-34-0x0000000000400000-0x000000000043C000-memory.dmp
memory/5100-30-0x0000000000400000-0x000000000043C000-memory.dmp
memory/5100-28-0x0000000000400000-0x000000000043C000-memory.dmp
memory/5100-32-0x0000000000400000-0x000000000043C000-memory.dmp
memory/5100-31-0x0000000000400000-0x000000000043C000-memory.dmp
memory/5100-10-0x0000000000400000-0x000000000044A000-memory.dmp
memory/5100-51-0x0000000000400000-0x000000000044A000-memory.dmp
memory/5100-52-0x0000000000400000-0x000000000044A000-memory.dmp
memory/5100-54-0x0000000003450000-0x0000000003468000-memory.dmp
memory/5100-55-0x0000000003C40000-0x0000000003C4A000-memory.dmp