Analysis
- max time kernel
157s - max time network
162s - platform
windows10-2004_x64 - resource
win10v2004-20240221-en - resource tags
- submitted
26/02/2024, 12:57
General
- Target a668c2c051e98475ff00c5a384dc2997.exe
- Size 160KB
- Sample240226-p662fseb54
- SHA256 32d0119a7a768490a7767027e5859e54907629a67042de959e4a0b30f95f0f0e
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 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of UnmapMainImage 3 IoCs
- Suspicious use of WriteProcessMemory 22 IoCs
Processes
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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\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca1⤵
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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\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
- Suspicious use of UnmapMainImage
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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⤵
- Suspicious use of UnmapMainImage
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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 3820 -s 9522⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
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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\a668c2c051e98475ff00c5a384dc2997.exe"C:\Users\Admin\AppData\Local\Temp\a668c2c051e98475ff00c5a384dc2997.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⤵
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/668-27-0x0000000000B60000-0x0000000000B66000-memory.dmp
memory/752-40-0x0000000000880000-0x0000000000886000-memory.dmp
memory/752-47-0x00007FFDFEE30000-0x00007FFDFEE31000-memory.dmp
memory/752-44-0x00007FFDFEE20000-0x00007FFDFEE21000-memory.dmp
memory/752-41-0x0000000000880000-0x0000000000886000-memory.dmp
memory/928-78-0x00007FFDFECAD000-0x00007FFDFECAE000-memory.dmp
memory/928-80-0x00007FFDFEE30000-0x00007FFDFEE31000-memory.dmp
memory/928-79-0x00007FFDFEE40000-0x00007FFDFEE41000-memory.dmp
memory/928-76-0x0000000000B30000-0x0000000000B36000-memory.dmp
memory/928-75-0x0000000000B30000-0x0000000000B36000-memory.dmp
memory/928-81-0x0000000000B30000-0x0000000000B36000-memory.dmp
memory/928-77-0x00007FFDFECAE000-0x00007FFDFECAF000-memory.dmp
memory/1484-35-0x0000000000E70000-0x0000000000E76000-memory.dmp
memory/2016-6-0x0000000000BD0000-0x0000000000BD6000-memory.dmp
memory/2016-7-0x0000000077782000-0x0000000077783000-memory.dmp
memory/2016-5-0x0000000000BE0000-0x0000000000BF2000-memory.dmp
memory/2436-16-0x0000000000370000-0x0000000000376000-memory.dmp
memory/2472-38-0x0000000000740000-0x0000000000746000-memory.dmp
memory/2472-36-0x0000000000740000-0x0000000000746000-memory.dmp
memory/2480-17-0x0000000000A80000-0x0000000000A86000-memory.dmp
memory/2480-14-0x0000000000A80000-0x0000000000A86000-memory.dmp
memory/2592-22-0x0000000000770000-0x0000000000776000-memory.dmp
memory/2592-15-0x0000000000770000-0x0000000000776000-memory.dmp
memory/2612-10-0x0000000002320000-0x0000000002D20000-memory.dmp
memory/2612-9-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2612-1-0x0000000002170000-0x0000000002171000-memory.dmp
memory/2612-2-0x0000000002320000-0x0000000002D20000-memory.dmp
memory/2612-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3408-8-0x00007FFDFECAD000-0x00007FFDFECAE000-memory.dmp
memory/3408-4-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/3408-3-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/3408-70-0x00007FFDFEE40000-0x00007FFDFEE41000-memory.dmp
memory/3408-20-0x0000000000710000-0x0000000000716000-memory.dmp
memory/3408-18-0x0000000000710000-0x0000000000716000-memory.dmp
memory/3636-24-0x0000000000AB0000-0x0000000000AB6000-memory.dmp
memory/3636-19-0x0000000000AB0000-0x0000000000AB6000-memory.dmp
memory/3728-32-0x0000000000540000-0x0000000000546000-memory.dmp
memory/3728-28-0x0000000000540000-0x0000000000546000-memory.dmp
memory/3820-21-0x00000000003B0000-0x00000000003B6000-memory.dmp
memory/3968-26-0x0000000000D90000-0x0000000000D96000-memory.dmp
memory/3968-23-0x0000000000D90000-0x0000000000D96000-memory.dmp
memory/3968-82-0x00007FFDFEE30000-0x00007FFDFEE31000-memory.dmp
memory/3968-71-0x00007FFDFEE20000-0x00007FFDFEE21000-memory.dmp
memory/4044-31-0x0000000000E30000-0x0000000000E36000-memory.dmp
memory/4044-74-0x00007FFDFEE30000-0x00007FFDFEE31000-memory.dmp
memory/4044-25-0x0000000000E30000-0x0000000000E36000-memory.dmp
memory/4044-72-0x00007FFDFEE20000-0x00007FFDFEE21000-memory.dmp
memory/4044-73-0x00007FFDFEE40000-0x00007FFDFEE41000-memory.dmp
memory/4300-37-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/4300-67-0x00007FFDFEE20000-0x00007FFDFEE21000-memory.dmp
memory/4300-69-0x00007FFDFEE30000-0x00007FFDFEE31000-memory.dmp
memory/4300-39-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/4300-68-0x00007FFDFEE40000-0x00007FFDFEE41000-memory.dmp
memory/4856-34-0x0000000000A20000-0x0000000000A26000-memory.dmp
memory/4856-30-0x0000000000A20000-0x0000000000A26000-memory.dmp
memory/4912-33-0x00000000005D0000-0x00000000005D6000-memory.dmp
memory/4912-29-0x00000000005D0000-0x00000000005D6000-memory.dmp