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Analysis

  • max time kernel
    150s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 22:34

General

  • Target

    d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe

  • Size

    80KB

  • MD5

    c13a226d71f4850a86798b7bc6ec1873

  • SHA1

    8b8c607e9632f43b75d8a5c0b749aa5c9b08a556

  • SHA256

    d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f

  • SHA512

    d5b6b6243e87da19e4e8bebd6220f4d08368bdc2957036ba345600da8867024e1ea6eb9af9eb0126d0f64ebced3ba20f11b2e9cb104c44d6abe814ee95cc3154

  • SSDEEP

    1536:XIdqG6g7LWnICOqubrzocTzFJ0T72VpGT:e6dIVqgBTzFJ0T72aT

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 29 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe
    "C:\Users\Admin\AppData\Local\Temp\d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.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:2032
    • C:\Users\Admin\hdkor.exe
      "C:\Users\Admin\hdkor.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:1680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\hdkor.exe

    Filesize

    80KB

    MD5

    5829bb6333d18e0a76d100a6b3cb0e7f

    SHA1

    a6909a5e300a2fb1bd48bccffa0d3db1d290a3a8

    SHA256

    853745eaf668a246f6aa7580ade59e06dc4966998f8a4bebe60abaff403a9023

    SHA512

    132be47e29a16b610bee5d249b423da259f9aa27435f05ad9ecc149a9143d562cc1eacf6591b7571c6772d5d89119d0bc0d14b7395dfe0670469a724123d0556

  • C:\Users\Admin\hdkor.exe

    Filesize

    80KB

    MD5

    5829bb6333d18e0a76d100a6b3cb0e7f

    SHA1

    a6909a5e300a2fb1bd48bccffa0d3db1d290a3a8

    SHA256

    853745eaf668a246f6aa7580ade59e06dc4966998f8a4bebe60abaff403a9023

    SHA512

    132be47e29a16b610bee5d249b423da259f9aa27435f05ad9ecc149a9143d562cc1eacf6591b7571c6772d5d89119d0bc0d14b7395dfe0670469a724123d0556

  • \Users\Admin\hdkor.exe

    Filesize

    80KB

    MD5

    5829bb6333d18e0a76d100a6b3cb0e7f

    SHA1

    a6909a5e300a2fb1bd48bccffa0d3db1d290a3a8

    SHA256

    853745eaf668a246f6aa7580ade59e06dc4966998f8a4bebe60abaff403a9023

    SHA512

    132be47e29a16b610bee5d249b423da259f9aa27435f05ad9ecc149a9143d562cc1eacf6591b7571c6772d5d89119d0bc0d14b7395dfe0670469a724123d0556

  • \Users\Admin\hdkor.exe

    Filesize

    80KB

    MD5

    5829bb6333d18e0a76d100a6b3cb0e7f

    SHA1

    a6909a5e300a2fb1bd48bccffa0d3db1d290a3a8

    SHA256

    853745eaf668a246f6aa7580ade59e06dc4966998f8a4bebe60abaff403a9023

    SHA512

    132be47e29a16b610bee5d249b423da259f9aa27435f05ad9ecc149a9143d562cc1eacf6591b7571c6772d5d89119d0bc0d14b7395dfe0670469a724123d0556

  • memory/2032-56-0x00000000766D1000-0x00000000766D3000-memory.dmp

    Filesize

    8KB