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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12/03/2024, 10:26

General

  • Target

    c3206186353e61967ad33fa425339d83.exe

  • Size

    140KB

  • MD5

    c3206186353e61967ad33fa425339d83

  • SHA1

    209c1137453641c3ea32488331a3890021f486a6

  • SHA256

    24f0682680e847225d2e0b5968ae3839fd7c0929487b2a70dec3702b1138bcf1

  • SHA512

    e0bf05c40fe6afe386e59b57609635ef63c84f987bb5622e01fdab34d3d8fc8ecd298ad46e6021172b9f86a3cbdc4425097ead8a412194d714265083bfb7308b

  • SSDEEP

    3072:Qa6Gh3vu3XuIcN6/xbccM3hEL8fyUha5fJiF2W:QaF/uuIcNmLX8dhaRJiB

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 51 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\c3206186353e61967ad33fa425339d83.exe
    "C:\Users\Admin\AppData\Local\Temp\c3206186353e61967ad33fa425339d83.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:1988
    • C:\Users\Admin\guiji.exe
      "C:\Users\Admin\guiji.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:2104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\guiji.exe

    Filesize

    140KB

    MD5

    a764137e52a1153bf48d5876587271ee

    SHA1

    f83006f1964c339d896b608df849a092cae9651f

    SHA256

    57279a380ef7c714bf8423651cfefa69a30a363043c10f5dba8955ed2807cc64

    SHA512

    56966ab9d884b27ca298282b4d19bf6e0f813a455b6af4c5bf880ab2725a1e547940441aa99652eda1406e6022050de3ed52941c22ab100a95ad735c46f2f631