Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/06/2026, 01:03

General

  • Target
    tmpzzv9yylt.exe
  • Size 110KB
  • Sample260602-bel1baas6s
  • SHA256 f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3
  • 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 12 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:3004
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3192
      • C:\Users\Admin\AppData\Local\Temp\tmpzzv9yylt.exe
        "C:\Users\Admin\AppData\Local\Temp\tmpzzv9yylt.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1788
        • 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:5116
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 352
            4⤵
            • Program crash
            PID:2728
    • C:\Users\Admin\AppData\Roaming\39B9BAFC\bin.exe
      C:\Users\Admin\AppData\Roaming\39B9BAFC\bin.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4200
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5116 -ip 5116
      1⤵
        PID:3184

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\39B9BAFC\bin.exe
            • Size 110KB
            • SHA256 47216e5a9568e2f6d82735e7052f4385172c892795772720eb328bae9df1380b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1788-2-0x0000000000400000-0x000000000041E000-memory.dmp

            memory/1788-1-0x0000000000407000-0x0000000000408000-memory.dmp

            memory/1788-0-0x0000000000400000-0x000000000041E000-memory.dmp

            memory/3004-28-0x0000000000A00000-0x0000000000A06000-memory.dmp

            memory/3004-34-0x00007FF905E10000-0x00007FF905E11000-memory.dmp

            memory/3192-35-0x00007FF905E10000-0x00007FF905E11000-memory.dmp

            memory/3192-9-0x00007FF905E20000-0x00007FF905E21000-memory.dmp

            memory/3192-13-0x0000000003000000-0x0000000003001000-memory.dmp

            memory/3192-16-0x00007FF905E00000-0x00007FF905E01000-memory.dmp

            memory/3192-15-0x00007FF905DF0000-0x00007FF905DF1000-memory.dmp

            memory/3192-7-0x00007FF905C8D000-0x00007FF905C8E000-memory.dmp

            memory/3192-8-0x00000000030D0000-0x00000000030D6000-memory.dmp

            memory/3312-30-0x00007FF905BF0000-0x00007FF905DE5000-memory.dmp

            memory/3312-23-0x00007FF905BF0000-0x00007FF905DE5000-memory.dmp

            memory/3312-20-0x00007FF905BF0000-0x00007FF905DE5000-memory.dmp

            memory/4200-24-0x00007FF905BF0000-0x00007FF905DE5000-memory.dmp

            memory/4200-21-0x0000000000400000-0x000000000041E000-memory.dmp

            memory/4200-26-0x00000000001C0000-0x00000000001C6000-memory.dmp

            memory/5116-12-0x0000000000860000-0x0000000000866000-memory.dmp

            memory/5116-32-0x0000000000860000-0x0000000000866000-memory.dmp

            memory/5116-5-0x0000000000860000-0x0000000000866000-memory.dmp

            memory/5116-6-0x0000000077172000-0x0000000077173000-memory.dmp