Analysis

  • max time kernel
    91s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/12/2023, 18:31

General

  • Target
    008a3c8140ee60accd92226ae42e19f4.exe
  • Size 160KB
  • Sample231229-w6aftaahcl
  • SHA256 3b561264906f1c7cdae34d4b8d4467a76e5f49b48863a6ef140b4f5d0a860665
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Tinba / TinyBanker

    Banking trojan which uses packet sniffing to steal data.

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3376
      • C:\Users\Admin\AppData\Local\Temp\008a3c8140ee60accd92226ae42e19f4.exe
        "C:\Users\Admin\AppData\Local\Temp\008a3c8140ee60accd92226ae42e19f4.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2852
        • C:\Windows\SysWOW64\winver.exe
          winver
          3⤵
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:2784
    • C:\Windows\system32\taskhostw.exe
      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
      1⤵
        PID:3044
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
        1⤵
          PID:2936
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2832

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                memory/2784-6-0x0000000002560000-0x0000000002566000-memory.dmp

                memory/2784-7-0x0000000077982000-0x0000000077983000-memory.dmp

                memory/2832-18-0x00000000007E0000-0x00000000007E6000-memory.dmp

                memory/2852-1-0x0000000000400000-0x0000000000428000-memory.dmp

                memory/2852-2-0x0000000002170000-0x0000000002171000-memory.dmp

                memory/2852-3-0x0000000002280000-0x0000000002C80000-memory.dmp

                memory/2852-0-0x0000000000400000-0x0000000000428000-memory.dmp

                memory/2852-10-0x0000000002280000-0x0000000002C80000-memory.dmp

                memory/2936-15-0x0000000000E10000-0x0000000000E16000-memory.dmp

                memory/2936-19-0x0000000000E10000-0x0000000000E16000-memory.dmp

                memory/3044-16-0x0000000000750000-0x0000000000756000-memory.dmp

                memory/3044-22-0x0000000000750000-0x0000000000756000-memory.dmp

                memory/3376-13-0x00007FFE26F00000-0x00007FFE26F01000-memory.dmp

                memory/3376-4-0x0000000000910000-0x0000000000916000-memory.dmp

                memory/3376-8-0x00007FFE26D6D000-0x00007FFE26D6E000-memory.dmp

                memory/3376-5-0x0000000000910000-0x0000000000916000-memory.dmp

                memory/3376-17-0x0000000000920000-0x0000000000926000-memory.dmp

                memory/3556-20-0x0000000000AF0000-0x0000000000AF6000-memory.dmp