Analysis

  • max time kernel
    149s
  • max time network
    96s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 12:17

General

  • Target
    tmpozfiif5t.exe
  • Size 34KB
  • Sample260522-pf7kasds6v
  • SHA256 b97c1992b1a0dbbc8cb79dffb905624bd8d9063d35a00a991d7a7f0f97b46eb2
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2076
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3148
      • C:\Users\Admin\AppData\Local\Temp\tmpozfiif5t.exe
        "C:\Users\Admin\AppData\Local\Temp\tmpozfiif5t.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1680
        • 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:3904
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 384
            4⤵
            • Program crash
            PID:4348
    • C:\Users\Admin\AppData\Roaming\5E212EC5\bin.exe
      C:\Users\Admin\AppData\Roaming\5E212EC5\bin.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4344
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3904 -ip 3904
      1⤵
        PID:2120

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\5E212EC5\bin.exe
            • Size 34KB
            • SHA256 463a071dc70bb512766b87b6db1c8e85c3520462bce85b010c3fdd8722316188
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1232-29-0x00007FFDCB380000-0x00007FFDCB589000-memory.dmp

            memory/1232-19-0x00007FFDCB380000-0x00007FFDCB589000-memory.dmp

            memory/1680-9-0x0000000002340000-0x0000000002D40000-memory.dmp

            memory/1680-1-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

            memory/1680-4-0x0000000002340000-0x0000000002D40000-memory.dmp

            memory/1680-0-0x0000000000400000-0x0000000000417000-memory.dmp

            memory/1680-8-0x0000000000400000-0x0000000000417000-memory.dmp

            memory/2076-26-0x00000000002A0000-0x00000000002A6000-memory.dmp

            memory/3148-6-0x00007FFDCB423000-0x00007FFDCB424000-memory.dmp

            memory/3148-2-0x00000000026C0000-0x00000000026C6000-memory.dmp

            memory/3148-12-0x00000000026E0000-0x00000000026E1000-memory.dmp

            memory/3148-13-0x00007FFDCB590000-0x00007FFDCB591000-memory.dmp

            memory/3148-15-0x00007FFDCB5A0000-0x00007FFDCB5A1000-memory.dmp

            memory/3148-3-0x00000000026C0000-0x00000000026C6000-memory.dmp

            memory/3904-7-0x00007FFDCB380000-0x00007FFDCB589000-memory.dmp

            memory/3904-5-0x0000000077204000-0x0000000077205000-memory.dmp

            memory/3904-11-0x00000000011D0000-0x00000000011D6000-memory.dmp

            memory/3904-31-0x00000000011D0000-0x00000000011D6000-memory.dmp

            memory/4344-22-0x00007FFDCB380000-0x00007FFDCB589000-memory.dmp

            memory/4344-23-0x00000000001C0000-0x00000000001C6000-memory.dmp

            memory/4344-27-0x0000000002300000-0x0000000002D00000-memory.dmp

            memory/4344-21-0x0000000000400000-0x0000000000417000-memory.dmp