Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 23:45

General

  • Target

    820ba76bd225bca9e342d0599eb7d6da2774903256d99bb336cf531d2f52a1d4.exe

  • Size

    53KB

  • MD5

    3c47989e072fef3ec39602475f91040a

  • SHA1

    3a371f0ee32fb56f4f56af8179ebcdaebd60c498

  • SHA256

    820ba76bd225bca9e342d0599eb7d6da2774903256d99bb336cf531d2f52a1d4

  • SHA512

    64573c462998440ae219371bf64692219e5500ab17d1cac0e4f1209b361a0dfd8e30fe7491e012d60030e58f5c899b54f663bb9dd72ea9e6db80c32b5daf0cfc

  • SSDEEP

    1536:vNLg8r8QUGLI37Kp3StjEMjmLM3ztDJWZsXy4JzxPME:mGL2JJjmLM3zRJWZsXy4JN

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\820ba76bd225bca9e342d0599eb7d6da2774903256d99bb336cf531d2f52a1d4.exe
    "C:\Users\Admin\AppData\Local\Temp\820ba76bd225bca9e342d0599eb7d6da2774903256d99bb336cf531d2f52a1d4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Users\Admin\qiayoob.exe
      "C:\Users\Admin\qiayoob.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
      • Suspicious use of WriteProcessMemory
      PID:4988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\qiayoob.exe

    Filesize

    53KB

    MD5

    34b03c1dee44aa3f800506efd9d1f48a

    SHA1

    ac897b0958546afb5a1f6c61f68af86a2b289c28

    SHA256

    1e7423badda46be2d9d56559d226c2f75bd149b794194575783f38e037faffdc

    SHA512

    12ace8cfe5dde1da8a217e4c776059d459ce12c25658d37ccdb34f69d286a8c2bf6623ea7926f790a6246c6a9e13d44e2fb650fa48e36413b0e069fdc90015d5

  • memory/3012-0-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/4988-34-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB