Analysis

  • max time kernel
    139s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/09/2024, 15:06

General

  • Target

    2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe

  • Size

    34KB

  • MD5

    5e568e602022cfdf3115b799366f737d

  • SHA1

    ef429fe7b0e7e7b592737b49bbd5c2660c38ef7e

  • SHA256

    2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49

  • SHA512

    ea732f652bd1cc7ba8e38e4f851a3f4a70ac5a539036eee2edeb05c494fe86b247e84a0ca66cf88abdf9027ec4a9384edc1cfe12e5987e0c4bea740365397ed4

  • SSDEEP

    768:up22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:upYoX58z1uirL98xMWnT0OQ9J2

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
  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2568
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of UnmapMainImage
      PID:3360
      • C:\Users\Admin\AppData\Local\Temp\2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe
        "C:\Users\Admin\AppData\Local\Temp\2d40f3b0bc7abb34abea91904e7fb02a291ad1e1c3c28fae11dc0d31ede69b49.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4412
        • 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:4572
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 352
            4⤵
            • Program crash
            PID:552
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4572 -ip 4572
      1⤵
        PID:4592

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2568-18-0x0000000000660000-0x0000000000666000-memory.dmp

        Filesize

        24KB

      • memory/2568-16-0x0000000000660000-0x0000000000666000-memory.dmp

        Filesize

        24KB

      • memory/3360-8-0x00007FFDE7680000-0x00007FFDE7681000-memory.dmp

        Filesize

        4KB

      • memory/3360-3-0x0000000000580000-0x0000000000586000-memory.dmp

        Filesize

        24KB

      • memory/3360-2-0x0000000000580000-0x0000000000586000-memory.dmp

        Filesize

        24KB

      • memory/3360-12-0x00007FFDE7660000-0x00007FFDE7661000-memory.dmp

        Filesize

        4KB

      • memory/3360-6-0x00007FFDE74ED000-0x00007FFDE74EE000-memory.dmp

        Filesize

        4KB

      • memory/4412-4-0x0000000002400000-0x0000000002E00000-memory.dmp

        Filesize

        10.0MB

      • memory/4412-10-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/4412-11-0x0000000002400000-0x0000000002E00000-memory.dmp

        Filesize

        10.0MB

      • memory/4412-0-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/4412-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

        Filesize

        4KB

      • memory/4572-7-0x00007FFDE7450000-0x00007FFDE7645000-memory.dmp

        Filesize

        2.0MB

      • memory/4572-5-0x00000000777E2000-0x00000000777E3000-memory.dmp

        Filesize

        4KB

      • memory/4572-14-0x00000000029A0000-0x00000000029A6000-memory.dmp

        Filesize

        24KB

      • memory/4572-17-0x00000000029A0000-0x00000000029A6000-memory.dmp

        Filesize

        24KB