Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
22/05/2026, 12:04
General
- Target tmppmlvbbjk.exe
- Size 110KB
- Sample260522-n83ldacy31
- SHA256 fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0
Malware Config
Signatures
- Family: Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tmppmlvbbjk.exe"C:\Users\Admin\AppData\Local\Temp\tmppmlvbbjk.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4772 -s 3804⤵
- Program crash
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C:\Users\Admin\AppData\Roaming\4AC57625\bin.exeC:\Users\Admin\AppData\Roaming\4AC57625\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4772 -ip 47721⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/1048-27-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/1048-24-0x00007FFE941C0000-0x00007FFE943C9000-memory.dmp
memory/1048-21-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2692-26-0x0000000000070000-0x0000000000076000-memory.dmp
memory/3200-6-0x00000000032E0000-0x00000000032E6000-memory.dmp
memory/3200-7-0x00007FFE94263000-0x00007FFE94264000-memory.dmp
memory/3200-8-0x00000000032E0000-0x00000000032E6000-memory.dmp
memory/3200-34-0x00007FFE94400000-0x00007FFE94401000-memory.dmp
memory/3200-12-0x0000000001320000-0x0000000001321000-memory.dmp
memory/3200-15-0x00007FFE943E0000-0x00007FFE943E1000-memory.dmp
memory/3200-14-0x00007FFE943D0000-0x00007FFE943D1000-memory.dmp
memory/3200-33-0x00007FFE943F0000-0x00007FFE943F1000-memory.dmp
memory/4080-22-0x00007FFE941C0000-0x00007FFE943C9000-memory.dmp
memory/4080-20-0x00007FFE941C0000-0x00007FFE943C9000-memory.dmp
memory/4080-30-0x00007FFE941C0000-0x00007FFE943C9000-memory.dmp
memory/4080-16-0x00007FFE94263000-0x00007FFE94264000-memory.dmp
memory/4772-5-0x00000000778A4000-0x00000000778A5000-memory.dmp
memory/4772-3-0x0000000000A50000-0x0000000000A56000-memory.dmp
memory/4772-32-0x0000000000A50000-0x0000000000A56000-memory.dmp
memory/4772-11-0x0000000000A50000-0x0000000000A56000-memory.dmp
memory/5124-0-0x0000000000400000-0x000000000041E000-memory.dmp
memory/5124-2-0x0000000000400000-0x000000000041E000-memory.dmp
memory/5124-1-0x0000000000407000-0x0000000000408000-memory.dmp