Analysis

  • max time kernel
    149s
  • max time network
    92s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251231-en
  • resource tags

    arch:x64arch:x86image:win11-20251231-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09/01/2026, 03:47

General

  • Target
    2026-01-09_035cc4faeb322e9b07853d74e18e7073_elex_tinba_wannacry.exe
  • Size 168KB
  • Sample260109-ecfx3acz2g
  • SHA256 59e1bdbec123d260969736fd03e7fae19e00d4b5b73c693452cde66c04bd8da6
  • MD5 SHA1 SHA512 SSDEEP

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.exe
    sihost.exe
    1⤵
      PID:2080
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3128
      • 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
        PID:4908
        • C:\Windows\SysWOW64\winver.exe
          winver
          3⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4828
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 380
            4⤵
            • Program crash
            PID:2188
    • C:\Users\Admin\AppData\Roaming\0549EE15\bin.exe
      C:\Users\Admin\AppData\Roaming\0549EE15\bin.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4828 -ip 4828
      1⤵
        PID:2396

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\0549EE15\bin.exe
            • Size 168KB
            • SHA256 3e2bf8d471c52e7ec186820586e0aab59c05faed19be192519c4f6987080c69e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            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