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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    06/04/2024, 21:41

General

  • Target

    62cd46aa795b1866af35ed6b2f8e299210e23f0c3e5d0a5ba9e90acbec7a5ba5.exe

  • Size

    400KB

  • MD5

    825f6c628b0732455c04d467d9298e26

  • SHA1

    822d1fa15d0efeb463a420bd2228f86f9adc861b

  • SHA256

    62cd46aa795b1866af35ed6b2f8e299210e23f0c3e5d0a5ba9e90acbec7a5ba5

  • SHA512

    c9ea976224ed36eb9cdb80544fe2efdd0451477e9ca008fed9c8d7dea2e63d5356209d7ced7855194e0703a283c3f4dd1a23dd9c12cc4511b0b8fbe1b27d3c83

  • SSDEEP

    6144:ZsYftV4tAyXuS/WiBWuVklOPce2imvDAPbBW6EWfQkmJyOj4ykpZq:fAdBFVkl6ItD4W6EWfQByOj4ykpZ

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 54 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\62cd46aa795b1866af35ed6b2f8e299210e23f0c3e5d0a5ba9e90acbec7a5ba5.exe
    "C:\Users\Admin\AppData\Local\Temp\62cd46aa795b1866af35ed6b2f8e299210e23f0c3e5d0a5ba9e90acbec7a5ba5.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Users\Admin\yaukin.exe
      "C:\Users\Admin\yaukin.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\yaukin.exe

    Filesize

    400KB

    MD5

    7212d17e139e5edeaa97b3419b3ef066

    SHA1

    caa33832c4cce6e04c1ae4d58eae165029b2e855

    SHA256

    0cb7779696e291a574059db0c0ca890e7032e7ee56a1f357df2a1794a645de0e

    SHA512

    16ede06bba155690c545499d4a82e9f4a372f60853790d7ac94ee95090dfb1faf43cb9e72602cab0c3e66910ad8963121976f543d791e6792441a90e02344695