Analysis

  • max time kernel
    149s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/05/2026, 13:08

General

  • Target
    tmpro0m4so1.exe
  • Size 45KB
  • Sample260522-qc85dset6x
  • SHA256 aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6
  • 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.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 26 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:3068
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3244
      • C:\Users\Admin\AppData\Local\Temp\tmpro0m4so1.exe
        "C:\Users\Admin\AppData\Local\Temp\tmpro0m4so1.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2088
        • 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:3988
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3988 -s 352
            4⤵
            • Program crash
            PID:1788
    • C:\Users\Admin\AppData\Roaming\8E99AA91\bin.exe
      C:\Users\Admin\AppData\Roaming\8E99AA91\bin.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3700
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3988 -ip 3988
      1⤵
        PID:3496

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\8E99AA91\bin.exe
            • Size 45KB
            • SHA256 6f93b2aba9b086f152fdcf571611c24dfc48258c87ec7fa7281bdc6b8e730b83
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2088-0-0x0000000000400000-0x000000000041D000-memory.dmp

            memory/2088-1-0x000000000041C000-0x000000000041D000-memory.dmp

            memory/2088-2-0x0000000000400000-0x000000000041D000-memory.dmp

            memory/3068-36-0x00007FFAE6210000-0x00007FFAE6211000-memory.dmp

            memory/3068-25-0x0000000000F80000-0x0000000000F86000-memory.dmp

            memory/3244-12-0x00000000027A0000-0x00000000027A1000-memory.dmp

            memory/3244-3-0x0000000002830000-0x0000000002836000-memory.dmp

            memory/3244-15-0x00007FFAE6200000-0x00007FFAE6201000-memory.dmp

            memory/3244-14-0x00007FFAE61F0000-0x00007FFAE61F1000-memory.dmp

            memory/3244-35-0x00007FFAE6220000-0x00007FFAE6221000-memory.dmp

            memory/3244-7-0x0000000002830000-0x0000000002836000-memory.dmp

            memory/3244-34-0x00007FFAE6210000-0x00007FFAE6211000-memory.dmp

            memory/3244-8-0x00007FFAE608D000-0x00007FFAE608E000-memory.dmp

            memory/3700-28-0x0000000002340000-0x0000000002D40000-memory.dmp

            memory/3700-20-0x0000000000400000-0x000000000041D000-memory.dmp

            memory/3700-23-0x00007FFAE5FF0000-0x00007FFAE61E5000-memory.dmp

            memory/3700-26-0x00000000001C0000-0x00000000001C6000-memory.dmp

            memory/3988-6-0x0000000077002000-0x0000000077003000-memory.dmp

            memory/3988-32-0x0000000000A70000-0x0000000000A76000-memory.dmp

            memory/3988-5-0x0000000000A70000-0x0000000000A76000-memory.dmp

            memory/4576-30-0x00007FFAE5FF0000-0x00007FFAE61E5000-memory.dmp

            memory/4576-22-0x00007FFAE5FF0000-0x00007FFAE61E5000-memory.dmp

            memory/4576-19-0x00007FFAE5FF0000-0x00007FFAE61E5000-memory.dmp