Analysis

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

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    09/06/2026, 00:28

General

  • Target
    tmpb2f_qqw2.exe
  • Size 36KB
  • Sample260609-asm9vsas2q
  • SHA256 83e22e8780eea945eaca041a1ad45e5dc83a286d9366dc9c4b15bf68a9c4a758
  • 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:1944
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3172
      • C:\Users\Admin\AppData\Local\Temp\tmpb2f_qqw2.exe
        "C:\Users\Admin\AppData\Local\Temp\tmpb2f_qqw2.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3224
        • 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:5896
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 5896 -s 380
            4⤵
            • Program crash
            PID:4100
    • C:\Users\Admin\AppData\Roaming\24FB1D1D\bin.exe
      C:\Users\Admin\AppData\Roaming\24FB1D1D\bin.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5480
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 5896 -ip 5896
      1⤵
        PID:4360

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\24FB1D1D\bin.exe
            • Size 36KB
            • SHA256 4f5fb615dea2899cae0de13f724b990ba4b03d928bdcd230914a373c6e90269b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1944-26-0x0000000000F70000-0x0000000000F76000-memory.dmp

            memory/3172-13-0x00007FFBC0A30000-0x00007FFBC0A31000-memory.dmp

            memory/3172-15-0x00007FFBC0A40000-0x00007FFBC0A41000-memory.dmp

            memory/3172-33-0x00007FFBC0A60000-0x00007FFBC0A61000-memory.dmp

            memory/3172-6-0x00007FFBC08C3000-0x00007FFBC08C4000-memory.dmp

            memory/3172-3-0x0000000002EE0000-0x0000000002EE6000-memory.dmp

            memory/3172-2-0x0000000002EE0000-0x0000000002EE6000-memory.dmp

            memory/3172-12-0x0000000002E70000-0x0000000002E71000-memory.dmp

            memory/3224-8-0x0000000000400000-0x0000000000417000-memory.dmp

            memory/3224-0-0x0000000000400000-0x0000000000417000-memory.dmp

            memory/3224-4-0x00000000022D0000-0x0000000002CD0000-memory.dmp

            memory/3224-9-0x00000000022D0000-0x0000000002CD0000-memory.dmp

            memory/3224-1-0x00000000006D0000-0x00000000006D1000-memory.dmp

            memory/3588-17-0x00007FFBC08C3000-0x00007FFBC08C4000-memory.dmp

            memory/3588-30-0x00007FFBC0820000-0x00007FFBC0A29000-memory.dmp

            memory/3588-16-0x0000019A78850000-0x0000019A78856000-memory.dmp

            memory/3588-22-0x00007FFBC0820000-0x00007FFBC0A29000-memory.dmp

            memory/5480-24-0x00007FFBC0820000-0x00007FFBC0A29000-memory.dmp

            memory/5480-23-0x0000000000400000-0x0000000000417000-memory.dmp

            memory/5480-27-0x00000000001C0000-0x00000000001C6000-memory.dmp

            memory/5896-5-0x00000000773F4000-0x00000000773F5000-memory.dmp

            memory/5896-11-0x0000000002D00000-0x0000000002D06000-memory.dmp

            memory/5896-32-0x0000000002D00000-0x0000000002D06000-memory.dmp

            memory/5896-7-0x00007FFBC0820000-0x00007FFBC0A29000-memory.dmp