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Analysis

  • max time kernel
    141s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    10/08/2023, 14:52

General

  • Target

    Rat/libcef.dll

  • Size

    795KB

  • MD5

    1367469d2e42b0d2d3d33d65c0f99a06

  • SHA1

    5d177af01e5a7c5b1c0920296c7c411a0bfef2d0

  • SHA256

    220533caffc31750c9e7d8226eca3d05c525df59fc81093c175001a0c2e68fb5

  • SHA512

    5bb1590dbe4b72c3bbacb00c48a4495f8ddd9276630c01019cfca86c65eff6f2daebc0c8f243230831d639be14bcef14cc77b8785017dcbbc7d769f457f8005d

  • SSDEEP

    12288:8VbGGQ7NoRFNsqejyVP79uM9jaU1fzjuWu5tYXxPSUu0oe8RrOb0EoA:8Z25onNjZDjagzqRM8TdA

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rat\libcef.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Rat\libcef.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of WriteProcessMemory
      PID:1936
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 284
        3⤵
        • Program crash
        PID:2608

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1936-53-0x0000000074970000-0x0000000074B03000-memory.dmp

    Filesize

    1.6MB

  • memory/1936-54-0x0000000074970000-0x0000000074B03000-memory.dmp

    Filesize

    1.6MB

  • memory/1936-55-0x0000000074750000-0x00000000748E3000-memory.dmp

    Filesize

    1.6MB

  • memory/1936-56-0x0000000074750000-0x00000000748E3000-memory.dmp

    Filesize

    1.6MB

  • memory/1936-58-0x0000000074750000-0x00000000748E3000-memory.dmp

    Filesize

    1.6MB

  • memory/1936-59-0x0000000074750000-0x00000000748E3000-memory.dmp

    Filesize

    1.6MB

  • memory/1936-60-0x0000000074750000-0x00000000748E3000-memory.dmp

    Filesize

    1.6MB

  • memory/1936-61-0x00000000025B0000-0x00000000025F0000-memory.dmp

    Filesize

    256KB

  • memory/1936-62-0x0000000074750000-0x00000000748E3000-memory.dmp

    Filesize

    1.6MB

  • memory/1936-63-0x00000000025B0000-0x00000000025F0000-memory.dmp

    Filesize

    256KB

  • memory/1936-70-0x0000000074970000-0x0000000074B03000-memory.dmp

    Filesize

    1.6MB