Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/01/2024, 19:36

General

  • Target

    7dd3b86cf398f089c1661058d46b80cc.exe

  • Size

    130KB

  • MD5

    7dd3b86cf398f089c1661058d46b80cc

  • SHA1

    5e0e820100862584539f1616d224c5ca1b373718

  • SHA256

    c61e6f985b5362ed2863f8fd289eebc9db77b8dc75b278267d7ed2c2ec0cec67

  • SHA512

    87c75a232ed2195c007566d93e89c3aa7b2d6166801b989140913588125f3e453d906011955ffbd670a366ded26fcf5d0efeb5db6dad3cf3cd8a041b60eae23f

  • SSDEEP

    3072:NrIw201p9vdXk27ESjqhcclKK3fjbkvGjbhckEp:Nrb17O27vWcclKEfXLe

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies registry class 5 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7dd3b86cf398f089c1661058d46b80cc.exe
    "C:\Users\Admin\AppData\Local\Temp\7dd3b86cf398f089c1661058d46b80cc.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\fnous.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4544
      • C:\Windows\SysWOW64\regedit.exe
        regedit /s C:\Users\Admin\AppData\Local\Temp\nothks.reg
        3⤵
        • Modifies registry class
        • Runs .reg file with regedit
        PID:4372
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c erase /F "C:\Users\Admin\AppData\Local\Temp\7dd3b86cf398f089c1661058d46b80cc.exe"
      2⤵
        PID:2452

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\fnous.bat

      Filesize

      126B

      MD5

      7ab275c1bc8750fe49119429e12ab856

      SHA1

      ea556c59c5d3f2be584d2e208ba42a1540f46986

      SHA256

      8d96bacc0e4651d7b8c27613f3f721bb89ca9fb9430bab66b2ef90bfe8cb5bb3

      SHA512

      7fe4bce942523a6adde6d83fc2f63302283f3e0642db4f9f650d50ba8f6f2b7b587229736521615d54b596f24a23146ab7aecb512c145b8dc4b81050ac3576c1

    • C:\Users\Admin\AppData\Local\Temp\nothks.reg

      Filesize

      403B

      MD5

      e1db5e72383ca2535cc04d98efb0f6e6

      SHA1

      b3407d394658ad2d4ef59179fd2ddd419a1dc1d7

      SHA256

      52a9ba0c766a4da941eb674797f1770712e64e2d2104271b4ff6368a45ba5c31

      SHA512

      6ac5c144d0103b722a7203b04f79b3c691ff1393b59555a7ccd454a10a64e2c60111e9e45dc1fdaa3fdf180fac2b0416250aa0180a946c772bd3f1225c15c095

    • memory/1152-0-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1152-1-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1152-2-0x00000000001C0000-0x00000000001C2000-memory.dmp

      Filesize

      8KB

    • memory/1152-8-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB