Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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, 01:33

General

  • Target
    tmpbi0q4rev.exe
  • Size 89KB
  • Sample260602-bysbfab19n
  • SHA256 2ee2c853a605622d93e3011f500235eefe6ff16b8bf2ec84c1e1b362ac0eafdd
  • 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
  • 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 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2388
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3192
      • C:\Users\Admin\AppData\Local\Temp\tmpbi0q4rev.exe
        "C:\Users\Admin\AppData\Local\Temp\tmpbi0q4rev.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5036
        • 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:4860
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 380
            4⤵
            • Program crash
            PID:3444
    • C:\Users\Admin\AppData\Roaming\0984F999\bin.exe
      C:\Users\Admin\AppData\Roaming\0984F999\bin.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3540
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4860 -ip 4860
      1⤵
        PID:1772

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\0984F999\bin.exe
            • Size 89KB
            • SHA256 74dc1d500c30dfeb7d0fbeb78f7d7b9944f67257ec4ac2721c29a78ee94df670
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2388-24-0x00000000008E0000-0x00000000008E6000-memory.dmp

            memory/2784-28-0x00007FFD0FA00000-0x00007FFD0FC09000-memory.dmp

            memory/2784-19-0x00007FFD0FA00000-0x00007FFD0FC09000-memory.dmp

            memory/3192-12-0x0000000002E70000-0x0000000002E71000-memory.dmp

            memory/3192-3-0x0000000002FE0000-0x0000000002FE6000-memory.dmp

            memory/3192-2-0x0000000002FE0000-0x0000000002FE6000-memory.dmp

            memory/3192-6-0x00007FFD0FAA3000-0x00007FFD0FAA4000-memory.dmp

            memory/3192-15-0x00007FFD0FC20000-0x00007FFD0FC21000-memory.dmp

            memory/3192-13-0x00007FFD0FC10000-0x00007FFD0FC11000-memory.dmp

            memory/3540-20-0x0000000000400000-0x0000000000418000-memory.dmp

            memory/3540-22-0x00007FFD0FA00000-0x00007FFD0FC09000-memory.dmp

            memory/3540-25-0x00000000001C0000-0x00000000001C6000-memory.dmp

            memory/4860-11-0x0000000001180000-0x0000000001186000-memory.dmp

            memory/4860-7-0x00007FFD0FA00000-0x00007FFD0FC09000-memory.dmp

            memory/4860-5-0x00000000773B4000-0x00000000773B5000-memory.dmp

            memory/4860-30-0x0000000001180000-0x0000000001186000-memory.dmp

            memory/5036-9-0x0000000002160000-0x0000000002B60000-memory.dmp

            memory/5036-8-0x0000000000400000-0x0000000000418000-memory.dmp

            memory/5036-0-0x0000000000400000-0x0000000000418000-memory.dmp

            memory/5036-4-0x0000000002160000-0x0000000002B60000-memory.dmp

            memory/5036-1-0x0000000000600000-0x0000000000601000-memory.dmp