Analysis
- max time kernel
152s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
25/01/2024, 02:42
General
- Target 7385831d0db0e5abb704c46aa68972a4.exe
- Size 160KB
- Sample240125-c7grqseed3
- SHA256 3147b770396cf082909c987e531303f5bfc71290a36a0f0815da645b72bfd912
Malware Config
Signatures
- Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
- UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 2 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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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\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⤵
- Suspicious use of AdjustPrivilegeToken
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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\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3880 -s 8522⤵
- Checks processor information in registry
- Enumerates system info in registry
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\7385831d0db0e5abb704c46aa68972a4.exe"C:\Users\Admin\AppData\Local\Temp\7385831d0db0e5abb704c46aa68972a4.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵
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C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/888-32-0x0000000000AA0000-0x0000000000AA6000-memory.dmp
memory/888-36-0x0000000000AA0000-0x0000000000AA6000-memory.dmp
memory/1592-1-0x0000000000470000-0x0000000000471000-memory.dmp
memory/1592-2-0x00000000021F0000-0x0000000002BF0000-memory.dmp
memory/1592-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1592-9-0x00000000021F0000-0x0000000002BF0000-memory.dmp
memory/1592-8-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2128-29-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/2128-33-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/2448-16-0x0000000000460000-0x0000000000466000-memory.dmp
memory/2500-17-0x0000000000A70000-0x0000000000A76000-memory.dmp
memory/2500-13-0x0000000000A70000-0x0000000000A76000-memory.dmp
memory/2640-14-0x0000000000180000-0x0000000000186000-memory.dmp
memory/2640-19-0x0000000000180000-0x0000000000186000-memory.dmp
memory/2780-27-0x0000000000FC0000-0x0000000000FC6000-memory.dmp
memory/3512-3-0x00000000022D0000-0x00000000022D6000-memory.dmp
memory/3512-21-0x0000000000620000-0x0000000000626000-memory.dmp
memory/3512-15-0x0000000000620000-0x0000000000626000-memory.dmp
memory/3512-5-0x00000000022D0000-0x00000000022D6000-memory.dmp
memory/3512-6-0x00007FFCC6B4D000-0x00007FFCC6B4E000-memory.dmp
memory/3644-18-0x0000000000FA0000-0x0000000000FA6000-memory.dmp
memory/3644-24-0x0000000000FA0000-0x0000000000FA6000-memory.dmp
memory/3880-20-0x0000000000BA0000-0x0000000000BA6000-memory.dmp
memory/3940-31-0x0000000000EF0000-0x0000000000EF6000-memory.dmp
memory/3940-28-0x0000000000EF0000-0x0000000000EF6000-memory.dmp
memory/3972-35-0x0000000000F70000-0x0000000000F76000-memory.dmp
memory/3972-30-0x0000000000F70000-0x0000000000F76000-memory.dmp
memory/4000-25-0x0000000000B20000-0x0000000000B26000-memory.dmp
memory/4000-22-0x0000000000B20000-0x0000000000B26000-memory.dmp
memory/4064-26-0x0000000000070000-0x0000000000076000-memory.dmp
memory/4064-23-0x0000000000070000-0x0000000000076000-memory.dmp
memory/4176-38-0x0000000000EA0000-0x0000000000EA6000-memory.dmp
memory/4176-39-0x0000000000EA0000-0x0000000000EA6000-memory.dmp
memory/4176-40-0x00007FFCC6CC0000-0x00007FFCC6CC1000-memory.dmp
memory/4176-43-0x00007FFCC6CD0000-0x00007FFCC6CD1000-memory.dmp
memory/4908-34-0x0000000000B40000-0x0000000000B46000-memory.dmp
memory/4908-37-0x0000000000B40000-0x0000000000B46000-memory.dmp
memory/5060-11-0x0000000002530000-0x0000000002536000-memory.dmp
memory/5060-7-0x0000000077B12000-0x0000000077B13000-memory.dmp
memory/5060-4-0x0000000002530000-0x0000000002536000-memory.dmp