Analysis

  • max time kernel
    94s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-09-2024 05:24

General

  • Target

    b75f309d88620c995b418917912db7d0N.exe

  • Size

    711KB

  • MD5

    b75f309d88620c995b418917912db7d0

  • SHA1

    7f221fc97cea79ed5fe18aae47ed95d0507e7547

  • SHA256

    bb60d6c5bd46b7aee32070f70166778babb3497b580d1f4ff9b70ff86215587b

  • SHA512

    4f793d0f588c489ab25315046b7a9ef60b8fe18bd03f06cba3c3bd807529948e75c205de20f97d5435629c8911eacdf3690c4c4b5dfa7a25ce7bdee77bec6275

  • SSDEEP

    12288:0Ed1lD17qtYpDGZmOQie4eOpn991X5pPOa57o0tYgWKnuxEj+BwkJHFQ1DO:0EblD17qsGZ6v4PPFqc7DWK4++fUDO

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b75f309d88620c995b418917912db7d0N.exe
    "C:\Users\Admin\AppData\Local\Temp\b75f309d88620c995b418917912db7d0N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4952
    • C:\Users\Admin\AppData\Local\Temp\Set-up.exe
      "C:\Users\Admin\AppData\Local\Temp\Set-up.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2016
    • C:\Users\Admin\AppData\Local\Temp\zinger.exe
      "C:\Users\Admin\AppData\Local\Temp\zinger.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2720
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2720 -s 468
        3⤵
        • Program crash
        PID:5092
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2720 -ip 2720
    1⤵
      PID:4532

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Set-up.exe

      Filesize

      793KB

      MD5

      9209338186015547dc9cd90258da09e4

      SHA1

      a6f17d98b85ae07d2962296a25a9e04f35463dae

      SHA256

      6be35fe8543aecfe21ece4a1077373a760e6d22012b32fb19a7a53ef15445b3d

      SHA512

      d7fb31b050dfa7bf31bcdf35650076ba431aca2af293efa0ff85936c387ed70eacb05820b796130b8d7e35307b7a217c1b4eed20298e1c53ed272f19c37855db

    • C:\Users\Admin\AppData\Local\Temp\zinger.exe

      Filesize

      500KB

      MD5

      f80b7590f3715521e1a6979771bfadd4

      SHA1

      010a2f3ff60bee0684941fa27f2006e0f407070c

      SHA256

      b37a53a715abd7a2ce6be93198a9d79ff6da1f8f0e7370687fe5f3153c094112

      SHA512

      15362dc205daef29b7364efdc8176916e7aa72e6e41bbdbb7ae3f414e124443fdee9d447b2487e064314d2c36726cdf0c19d8e1d17c13a604d803288b91ae62f

    • memory/2720-24-0x0000000000401000-0x0000000000402000-memory.dmp

      Filesize

      4KB

    • memory/2720-25-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2720-26-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2720-27-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB