Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251231-en
  • resource tags

    arch:x64arch:x86image:win11-20251231-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    13/01/2026, 17:13

General

  • Target
    2026-01-13_be877c40a36e2aa3ae3a305aa0e017a8_elex_tinba_wannacry.exe
  • Size 173KB
  • Sample260113-vre73sdw8f
  • SHA256 1f10d5f2585dc9a281f2d6d77c26542d77526af216f0ffd4b3eeb10cd62b08af
  • 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:3044
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3080
      • C:\Users\Admin\AppData\Local\Temp\2026-01-13_be877c40a36e2aa3ae3a305aa0e017a8_elex_tinba_wannacry.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-01-13_be877c40a36e2aa3ae3a305aa0e017a8_elex_tinba_wannacry.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4860
        • 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:5112
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 380
            4⤵
            • Program crash
            PID:5072
    • C:\Users\Admin\AppData\Roaming\1E750E45\bin.exe
      C:\Users\Admin\AppData\Roaming\1E750E45\bin.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4912
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5112 -ip 5112
      1⤵
        PID:4884

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\1E750E45\bin.exe
            • Size 173KB
            • SHA256 0ba355e11e0662a09249094664b434384e81d3c20665178a01baf0f5b087c6a1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/3016-16-0x00000169CEB80000-0x00000169CEB86000-memory.dmp

            memory/3016-31-0x00007FF971740000-0x00007FF971949000-memory.dmp

            memory/3016-22-0x00007FF971740000-0x00007FF971949000-memory.dmp

            memory/3016-17-0x00007FF971740000-0x00007FF971949000-memory.dmp

            memory/3044-37-0x00007FF971980000-0x00007FF971981000-memory.dmp

            memory/3044-25-0x0000000000330000-0x0000000000336000-memory.dmp

            memory/3080-14-0x00007FF971960000-0x00007FF971961000-memory.dmp

            memory/3080-5-0x00007FF9717E3000-0x00007FF9717E4000-memory.dmp

            memory/3080-1-0x00000000024E0000-0x00000000024E6000-memory.dmp

            memory/3080-11-0x0000000000A50000-0x0000000000A51000-memory.dmp

            memory/3080-12-0x00007FF971950000-0x00007FF971951000-memory.dmp

            memory/3080-35-0x00007FF971980000-0x00007FF971981000-memory.dmp

            memory/3080-34-0x00007FF971970000-0x00007FF971971000-memory.dmp

            memory/3080-2-0x00000000024E0000-0x00000000024E6000-memory.dmp

            memory/4860-0-0x0000000000BE0000-0x0000000000BE2000-memory.dmp

            memory/4860-3-0x00000000025A0000-0x0000000002FA0000-memory.dmp

            memory/4860-7-0x0000000000400000-0x0000000000439000-memory.dmp

            memory/4860-8-0x00000000025A0000-0x0000000002FA0000-memory.dmp

            memory/4912-26-0x00000000023A0000-0x00000000023A2000-memory.dmp

            memory/4912-24-0x00007FF971740000-0x00007FF971949000-memory.dmp

            memory/4912-27-0x00000000001C0000-0x00000000001C6000-memory.dmp

            memory/4912-29-0x0000000002610000-0x0000000003010000-memory.dmp

            memory/5112-4-0x0000000077204000-0x0000000077205000-memory.dmp

            memory/5112-6-0x00007FF971740000-0x00007FF971949000-memory.dmp

            memory/5112-33-0x00000000022D0000-0x00000000022D6000-memory.dmp

            memory/5112-10-0x00000000022D0000-0x00000000022D6000-memory.dmp