Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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, 12:45

General

  • Target
    tmp85dm60lw.exe
  • Size 110KB
  • Sample260522-py5tesbt6l
  • SHA256 d2748c0fadd5926c43c297fbfb921217b664b90ac5f65e195b43a411cad8018b
  • 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:800
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3220
      • C:\Users\Admin\AppData\Local\Temp\tmp85dm60lw.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp85dm60lw.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1452
        • 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:4712
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4712 -s 380
            4⤵
            • Program crash
            PID:996
    • C:\Users\Admin\AppData\Roaming\DA9D843A\bin.exe
      C:\Users\Admin\AppData\Roaming\DA9D843A\bin.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1260
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4712 -ip 4712
      1⤵
        PID:2432

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads

            bin.exe

            • Path C:\Users\Admin\AppData\Roaming\DA9D843A\bin.exe
            • Size 110KB
            • SHA256 ef525b5534397992716a9d74200b803d3f6cb7f4340c085754a8b53b4b58b765
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/800-27-0x0000000000780000-0x0000000000786000-memory.dmp

            memory/904-19-0x00007FFED9EC0000-0x00007FFEDA0C9000-memory.dmp

            memory/904-29-0x00007FFED9EC0000-0x00007FFEDA0C9000-memory.dmp

            memory/904-22-0x00007FFED9EC0000-0x00007FFEDA0C9000-memory.dmp

            memory/1260-24-0x00000000001C0000-0x00000000001C6000-memory.dmp

            memory/1260-21-0x0000000000400000-0x000000000041E000-memory.dmp

            memory/1260-23-0x00007FFED9EC0000-0x00007FFEDA0C9000-memory.dmp

            memory/1452-1-0x0000000000407000-0x0000000000408000-memory.dmp

            memory/1452-2-0x0000000000400000-0x000000000041E000-memory.dmp

            memory/1452-0-0x0000000000400000-0x000000000041E000-memory.dmp

            memory/3220-7-0x00007FFED9F63000-0x00007FFED9F64000-memory.dmp

            memory/3220-14-0x00007FFEDA0D0000-0x00007FFEDA0D1000-memory.dmp

            memory/3220-15-0x00007FFEDA0E0000-0x00007FFEDA0E1000-memory.dmp

            memory/3220-12-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

            memory/3220-6-0x0000000002540000-0x0000000002546000-memory.dmp

            memory/3220-3-0x0000000002540000-0x0000000002546000-memory.dmp

            memory/3220-32-0x00007FFEDA100000-0x00007FFEDA101000-memory.dmp

            memory/4712-5-0x00000000013D0000-0x00000000013D6000-memory.dmp

            memory/4712-8-0x00007FFED9EC0000-0x00007FFEDA0C9000-memory.dmp

            memory/4712-31-0x00000000013D0000-0x00000000013D6000-memory.dmp