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Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 13:03

General

  • Target

    195be17f1ad1639bdfff75f7eb2b82b5.exe

  • Size

    116KB

  • MD5

    195be17f1ad1639bdfff75f7eb2b82b5

  • SHA1

    f8265f866f731a97494e3ee5e87317241482e37f

  • SHA256

    56d668593274aa0486cdc4e41419e4886081f25e7ad1ec1ab3c1da13ae173ca1

  • SHA512

    1ad3e59de4d91b9136de96a16cf87b0aeedb37049b97638f020277a50ab73a2417aab39f7da55dc35ed0cf8d8d7c3b89808dbcaa0f614c19cfa256865b68ffed

  • SSDEEP

    1536:MiFWyC28ZJTtC7PCtm27OhBefCBpwh8jEFmViEgTEE+jakJni:M0nN8fo7PC5joEFIiEzak0

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 50 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\195be17f1ad1639bdfff75f7eb2b82b5.exe
    "C:\Users\Admin\AppData\Local\Temp\195be17f1ad1639bdfff75f7eb2b82b5.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:780
    • C:\Users\Admin\bgrif.exe
      "C:\Users\Admin\bgrif.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:1956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\bgrif.exe

    Filesize

    116KB

    MD5

    94abadcfbf044845edbf55cce01809c3

    SHA1

    ed201047ab8cbc93f9a2f2940749d83013567c6b

    SHA256

    8008a57d1e13cefbaa114985dbc7e8381305bdef6762d9fe82005e95bfe27f4c

    SHA512

    415069a2f864264f7a15b2619c6dfb70f2b4d0c059cc9539161bbc66653f3b1405615565820b03e1a3b75aea95764f6acc2db2defeef59d62697a70261ce8a66