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
    22/05/2026, 12:26

General

  • Target
    tmp3301608r.exe
  • Size 59KB
  • Sample260522-pl7ggsdv71
  • SHA256 e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130
  • 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 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2312
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3144
      • C:\Users\Admin\AppData\Local\Temp\tmp3301608r.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp3301608r.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2448
        • 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:5160
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 5160 -s 380
            4⤵
            • Program crash
            PID:2036
    • C:\Users\Admin\AppData\Roaming\57B9DCD3\bin.exe
      C:\Users\Admin\AppData\Roaming\57B9DCD3\bin.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3112
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5160 -ip 5160
      1⤵
        PID:5208

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\57B9DCD3\bin.exe
            • Size 59KB
            • SHA256 3f2418dbe15e63b3e55f73028b5dcd8127ca5447643a027e701ec4e711a64210
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2312-24-0x0000000000230000-0x0000000000236000-memory.dmp

            memory/2448-8-0x00000000021D0000-0x0000000002BD0000-memory.dmp

            memory/2448-3-0x00000000021D0000-0x0000000002BD0000-memory.dmp

            memory/2448-0-0x0000000000570000-0x0000000000571000-memory.dmp

            memory/2448-7-0x0000000000400000-0x0000000000414000-memory.dmp

            memory/3112-22-0x00000000001C0000-0x00000000001C6000-memory.dmp

            memory/3112-20-0x00007FFBC3CE0000-0x00007FFBC3EE9000-memory.dmp

            memory/3144-11-0x0000000002410000-0x0000000002411000-memory.dmp

            memory/3144-13-0x00007FFBC3EF0000-0x00007FFBC3EF1000-memory.dmp

            memory/3144-14-0x00007FFBC3F00000-0x00007FFBC3F01000-memory.dmp

            memory/3144-5-0x00007FFBC3D83000-0x00007FFBC3D84000-memory.dmp

            memory/3144-1-0x00000000026A0000-0x00000000026A6000-memory.dmp

            memory/3144-2-0x00000000026A0000-0x00000000026A6000-memory.dmp

            memory/5104-19-0x00007FFBC3CE0000-0x00007FFBC3EE9000-memory.dmp

            memory/5104-26-0x00007FFBC3CE0000-0x00007FFBC3EE9000-memory.dmp

            memory/5160-10-0x0000000000CA0000-0x0000000000CA6000-memory.dmp

            memory/5160-6-0x00007FFBC3CE0000-0x00007FFBC3EE9000-memory.dmp

            memory/5160-4-0x0000000077DC4000-0x0000000077DC5000-memory.dmp

            memory/5160-28-0x0000000000CA0000-0x0000000000CA6000-memory.dmp