Analysis
- max time kernel
149s - max time network
92s - platform
windows11-21h2_x64 - resource
win11-20251231-en - resource tags
- submitted
09/01/2026, 03:47
General
- Target 2026-01-09_035cc4faeb322e9b07853d74e18e7073_elex_tinba_wannacry.exe
- Size 168KB
- Sample260109-ecfx3acz2g
- SHA256 59e1bdbec123d260969736fd03e7fae19e00d4b5b73c693452cde66c04bd8da6
Malware Config
Signatures
- Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
- Tinba family
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- 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⤵
-
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\2026-01-09_035cc4faeb322e9b07853d74e18e7073_elex_tinba_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-01-09_035cc4faeb322e9b07853d74e18e7073_elex_tinba_wannacry.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
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
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 3804⤵
- Program crash
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C:\Users\Admin\AppData\Roaming\0549EE15\bin.exeC:\Users\Admin\AppData\Roaming\0549EE15\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4828 -ip 48281⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/2080-34-0x00007FF940B80000-0x00007FF940B81000-memory.dmp
memory/2080-26-0x0000000000920000-0x0000000000926000-memory.dmp
memory/3128-14-0x00007FF940B60000-0x00007FF940B61000-memory.dmp
memory/3128-1-0x0000000002A20000-0x0000000002A26000-memory.dmp
memory/3128-5-0x00007FF9409E3000-0x00007FF9409E4000-memory.dmp
memory/3128-2-0x0000000002A20000-0x0000000002A26000-memory.dmp
memory/3128-32-0x00007FF940B80000-0x00007FF940B81000-memory.dmp
memory/3128-11-0x0000000000CC0000-0x0000000000CC1000-memory.dmp
memory/3128-13-0x00007FF940B50000-0x00007FF940B51000-memory.dmp
memory/3128-31-0x00007FF940B70000-0x00007FF940B71000-memory.dmp
memory/4828-6-0x00007FF940940000-0x00007FF940B49000-memory.dmp
memory/4828-10-0x00000000005D0000-0x00000000005D6000-memory.dmp
memory/4828-30-0x00000000005D0000-0x00000000005D6000-memory.dmp
memory/4828-4-0x0000000077404000-0x0000000077405000-memory.dmp
memory/4908-3-0x0000000002520000-0x0000000002F20000-memory.dmp
memory/4908-0-0x00000000024C0000-0x00000000024C2000-memory.dmp
memory/4908-8-0x0000000002520000-0x0000000002F20000-memory.dmp
memory/4908-7-0x0000000000400000-0x0000000000439000-memory.dmp
memory/5032-23-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/5032-22-0x00007FF940940000-0x00007FF940B49000-memory.dmp
memory/5064-21-0x00007FF940940000-0x00007FF940B49000-memory.dmp
memory/5064-28-0x00007FF940940000-0x00007FF940B49000-memory.dmp
memory/5064-18-0x00007FF940940000-0x00007FF940B49000-memory.dmp