Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 01:01

General

  • Target
    tmp3m4g2sh1.exe
  • Size 89KB
  • Sample260602-bdbg7abx2m
  • SHA256 1d3d06774171e2bae0462ae2ce233c577826e001eb84777647fe938f8b90768e
  • MD5 SHA1 SHA512 SSDEEP TLSH

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
  • 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
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2268
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3188
      • C:\Users\Admin\AppData\Local\Temp\tmp3m4g2sh1.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp3m4g2sh1.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3396
        • 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:764
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 380
            4⤵
            • Program crash
            PID:4712
    • C:\Users\Admin\AppData\Roaming\F37E6FD3\bin.exe
      C:\Users\Admin\AppData\Roaming\F37E6FD3\bin.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3416
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 764 -ip 764
      1⤵
        PID:1508

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\F37E6FD3\bin.exe
            • Size 89KB
            • SHA256 f4303dbca1c31a7d6b982762b622f8663c9dc902b8944371c235cf924b068e86
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/764-32-0x0000000002E40000-0x0000000002E46000-memory.dmp

            memory/764-3-0x0000000002E40000-0x0000000002E46000-memory.dmp

            memory/764-6-0x0000000077934000-0x0000000077935000-memory.dmp

            memory/764-11-0x0000000002E40000-0x0000000002E46000-memory.dmp

            memory/1072-16-0x00007FFCE8D00000-0x00007FFCE8F09000-memory.dmp

            memory/1072-30-0x00007FFCE8D00000-0x00007FFCE8F09000-memory.dmp

            memory/1072-21-0x00007FFCE8D00000-0x00007FFCE8F09000-memory.dmp

            memory/2268-27-0x0000000000690000-0x0000000000696000-memory.dmp

            memory/3188-14-0x00007FFCE8F20000-0x00007FFCE8F21000-memory.dmp

            memory/3188-13-0x00007FFCE8F10000-0x00007FFCE8F11000-memory.dmp

            memory/3188-12-0x0000000002B20000-0x0000000002B21000-memory.dmp

            memory/3188-7-0x0000000002B80000-0x0000000002B86000-memory.dmp

            memory/3188-8-0x00007FFCE8DA3000-0x00007FFCE8DA4000-memory.dmp

            memory/3396-0-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/3396-2-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/3396-1-0x0000000000407000-0x0000000000408000-memory.dmp

            memory/3416-23-0x00007FFCE8D00000-0x00007FFCE8F09000-memory.dmp

            memory/3416-24-0x00000000001C0000-0x00000000001C6000-memory.dmp

            memory/3416-22-0x0000000000400000-0x0000000000421000-memory.dmp

            memory/3416-28-0x0000000002310000-0x0000000002D10000-memory.dmp