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Analysis

  • max time kernel
    118s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2024, 03:20

General

  • Target

    a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe

  • Size

    89KB

  • MD5

    ad3bfabe042476fd00c9430dfd293d60

  • SHA1

    a3bd0dbb898bcd82c16190b3581b82b955c75fe6

  • SHA256

    a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004ad

  • SHA512

    6ae81156c1e40a7ca2d49581a0969bd97d29bd08db219bde9690a7092396d97bfe9db5c6e3773fa036af5d30ce811a14eb525208a19c67374f145c7584ddcd89

  • SSDEEP

    1536:N1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:P+4MJIkLZJNAQ9Jo9e

Malware Config

Signatures

  • Tinba / TinyBanker

    Banking trojan which uses packet sniffing to steal data.

  • Tinba family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 1 IoCs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2648
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      PID:3512
      • C:\Users\Admin\AppData\Local\Temp\a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe
        "C:\Users\Admin\AppData\Local\Temp\a6b5e60bfcc893ccc19e5535c27510093851b6bdaa76a86b489d898c3a3004adN.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2084
        • 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:368
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 368 -s 356
            4⤵
            • Program crash
            PID:3440
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 368 -ip 368
      1⤵
        PID:2348

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • memory/368-5-0x0000000077802000-0x0000000077803000-memory.dmp

        Filesize

        4KB

      • memory/368-14-0x0000000001170000-0x0000000001176000-memory.dmp

        Filesize

        24KB

      • memory/368-11-0x0000000001170000-0x0000000001176000-memory.dmp

        Filesize

        24KB

      • memory/368-7-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

        Filesize

        2.0MB

      • memory/2084-9-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2084-4-0x00000000021A0000-0x0000000002BA0000-memory.dmp

        Filesize

        10.0MB

      • memory/2084-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2084-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

        Filesize

        4KB

      • memory/2648-13-0x00000000007F0000-0x00000000007F6000-memory.dmp

        Filesize

        24KB

      • memory/3512-6-0x00007FFD4D60D000-0x00007FFD4D60E000-memory.dmp

        Filesize

        4KB

      • memory/3512-3-0x0000000001230000-0x0000000001236000-memory.dmp

        Filesize

        24KB

      • memory/3512-8-0x00007FFD4D7A0000-0x00007FFD4D7A1000-memory.dmp

        Filesize

        4KB

      • memory/3512-2-0x0000000001230000-0x0000000001236000-memory.dmp

        Filesize

        24KB