Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 05:47

General

  • Target

    2a9799cbab558d0aef7da3e48f84ad6a.exe

  • Size

    192KB

  • MD5

    2a9799cbab558d0aef7da3e48f84ad6a

  • SHA1

    c06a3fb874ca88ed84855e2472d2ca65ccf254a9

  • SHA256

    fcbfa7f4aacb387c463bfda18d83e79327d65038cc3369535bb3bbd8a39fa0f8

  • SHA512

    a35722183bbebc7560b069479b20b17b3324bed4d2f1f50d5fa0fc2b4c856f6983343417cf19e13420dc18d1ec7131e6bceb3e10a5402264e02b9caa9cc9ea36

  • SSDEEP

    3072:w27pjEEdeIZjMA2pZApO63zXgjASjNNf/xM3ZZCazN2ziuKcTXH5Sanxp:JZEEdLg5T0QAo7SCazEuyTH0

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • 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 12 IoCs

Processes

  • C:\Windows\SysWOW64\regedit.exe
    regedit /s C:\Users\Admin\AppData\Local\Temp\nothks.reg
    1⤵
    • Modifies registry class
    • Runs .reg file with regedit
    PID:2768
  • C:\Windows\SysWOW64\cmd.exe
    cmd /c erase /F "C:\Users\Admin\AppData\Local\Temp\2a9799cbab558d0aef7da3e48f84ad6a.exe"
    1⤵
    • Deletes itself
    PID:2764
  • C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\fnous.bat
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2320
  • C:\Users\Admin\AppData\Local\Temp\2a9799cbab558d0aef7da3e48f84ad6a.exe
    "C:\Users\Admin\AppData\Local\Temp\2a9799cbab558d0aef7da3e48f84ad6a.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2928

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

  • memory/2928-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2928-13-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2928-10-0x0000000000020000-0x0000000000022000-memory.dmp

    Filesize

    8KB

  • memory/2928-0-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB