Analysis

  • max time kernel
    141s
  • max time network
    273s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2023 09:07

General

  • Target

    hh.chm

  • Size

    201KB

  • MD5

    8dd20f3f2f25bb297c9b64895530f920

  • SHA1

    87c98fe066c3424ae89f18b439cede19679076b2

  • SHA256

    3317b010df0c78ddd2043dfc02a824023faba86d362627e4d42b38084134e275

  • SHA512

    22713705334e69564df34938194692cb534f0c8a8be4ced34fc367aa2a7e77c96e1742b9d6ce72004c3d378fba6930fb1800a0a39985b969ced0d02d14e8d459

  • SSDEEP

    6144:iTnr34RHDSWdynEzIsOcr792z8Xn5UBq0:onr3yHOiIsOcr7SOn5UU0

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Modifies registry class 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Windows\hh.exe
    "C:\Windows\hh.exe" C:\Users\Admin\AppData\Local\Temp\hh.chm
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4696
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3336

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Users\Admin\Searches\IPU1H358nVfkU6695X1rkVVWZChGwaUvCrqH\svchost.exe
      Filesize

      1.1MB

      MD5

      7c4bfda1e4dfa3a7c59aaeb7fee08c80

      SHA1

      7ac76bcf4a74ab57aeb62aa59531f8aad14c6c77

      SHA256

      781609c3f08ad116aa2c342e277c4899ae760e08e6c1593f95b6aa3cf6f5b109

      SHA512

      bd189c981a1a25c782f4c12dc00a9009a4819a33ee9eacb6c1ba30b1d656965c86099bd0beb66f1ea8cfc0bf5e7a5ddfc370b1a0fd0f69381f216e05d437d68a

    • memory/4696-6-0x00007FFEF5D90000-0x00007FFEF6851000-memory.dmp
      Filesize

      10.8MB

    • memory/4696-7-0x000001DF73270000-0x000001DF73280000-memory.dmp
      Filesize

      64KB

    • memory/4696-8-0x000001DF73400000-0x000001DF7357E000-memory.dmp
      Filesize

      1.5MB

    • memory/4696-10-0x000001DF73180000-0x000001DF731B0000-memory.dmp
      Filesize

      192KB

    • memory/4696-9-0x000001DF73AB0000-0x000001DF73FD8000-memory.dmp
      Filesize

      5.2MB

    • memory/4696-16-0x000001DF727D0000-0x000001DF727E9000-memory.dmp
      Filesize

      100KB

    • memory/4696-47-0x00007FFEF5D90000-0x00007FFEF6851000-memory.dmp
      Filesize

      10.8MB

    • memory/4696-48-0x000001DF73270000-0x000001DF73280000-memory.dmp
      Filesize

      64KB