Analysis

  • max time kernel
    149s
  • 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, 00:59

General

  • Target
    tmpec3m0ebs.exe
  • Size 45KB
  • Sample260602-bcg9caas3y
  • SHA256 dce4f7e52d3edd396d33e0c71b7743e3ff2e4631048d757bd3386e87d7f650cd
  • 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 UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:808
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3316
      • C:\Users\Admin\AppData\Local\Temp\tmpec3m0ebs.exe
        "C:\Users\Admin\AppData\Local\Temp\tmpec3m0ebs.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5332
        • 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:5436
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 5436 -s 380
            4⤵
            • Program crash
            PID:2776
    • C:\Users\Admin\AppData\Roaming\1523065C\bin.exe
      C:\Users\Admin\AppData\Roaming\1523065C\bin.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3452
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5436 -ip 5436
      1⤵
        PID:4288

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\1523065C\bin.exe
            • Size 45KB
            • SHA256 416dda0593100ae6a42155e5179fa835f88184a5035258173057bd2743b4bb93
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/808-26-0x0000000000720000-0x0000000000726000-memory.dmp

            memory/2956-16-0x000002D59ADF0000-0x000002D59ADF6000-memory.dmp

            memory/2956-30-0x00007FF8BCEE0000-0x00007FF8BD0E9000-memory.dmp

            memory/2956-20-0x00007FF8BCEE0000-0x00007FF8BD0E9000-memory.dmp

            memory/2956-23-0x00007FF8BCEE0000-0x00007FF8BD0E9000-memory.dmp

            memory/3316-7-0x0000000002C70000-0x0000000002C76000-memory.dmp

            memory/3316-12-0x0000000002C20000-0x0000000002C21000-memory.dmp

            memory/3316-15-0x00007FF8BD100000-0x00007FF8BD101000-memory.dmp

            memory/3316-14-0x00007FF8BD0F0000-0x00007FF8BD0F1000-memory.dmp

            memory/3316-33-0x00007FF8BD110000-0x00007FF8BD111000-memory.dmp

            memory/3316-8-0x00007FF8BCF83000-0x00007FF8BCF84000-memory.dmp

            memory/3316-34-0x00007FF8BD120000-0x00007FF8BD121000-memory.dmp

            memory/3452-21-0x0000000000400000-0x000000000041D000-memory.dmp

            memory/3452-24-0x00007FF8BCEE0000-0x00007FF8BD0E9000-memory.dmp

            memory/3452-27-0x00000000001C0000-0x00000000001C6000-memory.dmp

            memory/5332-1-0x000000000041C000-0x000000000041D000-memory.dmp

            memory/5332-0-0x0000000000400000-0x000000000041D000-memory.dmp

            memory/5332-2-0x0000000000400000-0x000000000041D000-memory.dmp

            memory/5436-5-0x0000000077814000-0x0000000077815000-memory.dmp

            memory/5436-32-0x00000000023C0000-0x00000000023C6000-memory.dmp

            memory/5436-3-0x00000000023C0000-0x00000000023C6000-memory.dmp

            memory/5436-11-0x00000000023C0000-0x00000000023C6000-memory.dmp