Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    25/05/2026, 22:41

General

  • Target
    tmp3o8k22ad.exe
  • Size 88KB
  • Sample260525-2mcdysbt3x
  • SHA256 b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0
  • 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 10 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:388
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3328
      • C:\Users\Admin\AppData\Local\Temp\tmp3o8k22ad.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp3o8k22ad.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:548
        • 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:2904
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 388
            4⤵
            • Program crash
            PID:2180
    • C:\Users\Admin\AppData\Roaming\2B56ED08\bin.exe
      C:\Users\Admin\AppData\Roaming\2B56ED08\bin.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2904 -ip 2904
      1⤵
        PID:4800

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\2B56ED08\bin.exe
            • Size 88KB
            • SHA256 07769887f03df7b98bd6402e261252669ae03a8e4deae0dccb1363706c3a6b6b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/388-28-0x0000000000760000-0x0000000000766000-memory.dmp

            memory/548-0-0x00000000001F0000-0x00000000001F1000-memory.dmp

            memory/548-3-0x0000000002270000-0x0000000002C70000-memory.dmp

            memory/548-8-0x0000000002270000-0x0000000002C70000-memory.dmp

            memory/548-7-0x0000000000400000-0x0000000000417000-memory.dmp

            memory/2904-6-0x00007FF948210000-0x00007FF948408000-memory.dmp

            memory/2904-4-0x0000000077D93000-0x0000000077D94000-memory.dmp

            memory/2904-29-0x00000000005F0000-0x00000000005F6000-memory.dmp

            memory/2904-10-0x00000000005F0000-0x00000000005F6000-memory.dmp

            memory/3328-1-0x0000000002050000-0x0000000002056000-memory.dmp

            memory/3328-32-0x00007FF948430000-0x00007FF948431000-memory.dmp

            memory/3328-14-0x00007FF948420000-0x00007FF948421000-memory.dmp

            memory/3328-11-0x0000000002000000-0x0000000002001000-memory.dmp

            memory/3328-12-0x00007FF948410000-0x00007FF948411000-memory.dmp

            memory/3328-2-0x0000000002050000-0x0000000002056000-memory.dmp

            memory/3328-33-0x00007FF948440000-0x00007FF948441000-memory.dmp

            memory/3328-5-0x00007FF9482AD000-0x00007FF9482AE000-memory.dmp

            memory/3508-15-0x00007FF948210000-0x00007FF948408000-memory.dmp

            memory/3508-16-0x00007FF948210000-0x00007FF948408000-memory.dmp

            memory/3508-21-0x00007FF948210000-0x00007FF948408000-memory.dmp

            memory/3508-26-0x00007FF948210000-0x00007FF948408000-memory.dmp

            memory/4876-22-0x00007FF948210000-0x00007FF948408000-memory.dmp

            memory/4876-23-0x00000000001C0000-0x00000000001C6000-memory.dmp