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Analysis

  • max time kernel
    269s
  • max time network
    303s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 12:10

General

  • Target

    c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe

  • Size

    1.6MB

  • MD5

    c5845949f95c5b713b9a76d5211c835f

  • SHA1

    71c49204f8666bd2d54daf8bd0eabe0a4b145de7

  • SHA256

    c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888

  • SHA512

    35efa487ab280bb1a1e364f2a62c71ea37137a079df4b1c204acaa3e9706e13ae5d07065182fe71118152edb96ba0fe7424c0ad705c2f0341754f6b8c6549bad

  • SSDEEP

    24576:W+zHdFeYR0iGkwFgc6BQSmtl0UrQbchemdY2GDMCbItNWf:WgW0AYySY0A3dYDA1tNWf

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe
    "C:\Users\Admin\AppData\Local\Temp\c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3832
    • C:\Users\Admin\AppData\Local\Temp\copyc88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe
      "C:\Users\Admin\AppData\Local\Temp\copyc88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe" C:\Users\Admin\AppData\Local\Temp\copyc88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2400
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\System32\explorer.exe" http://jc.110160.com/ad.htm
      2⤵
        PID:4592
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2884
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://jc.110160.com/ad.htm
        2⤵
          PID:540

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\copyc88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe

        Filesize

        1.6MB

        MD5

        c5845949f95c5b713b9a76d5211c835f

        SHA1

        71c49204f8666bd2d54daf8bd0eabe0a4b145de7

        SHA256

        c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888

        SHA512

        35efa487ab280bb1a1e364f2a62c71ea37137a079df4b1c204acaa3e9706e13ae5d07065182fe71118152edb96ba0fe7424c0ad705c2f0341754f6b8c6549bad

      • C:\Users\Admin\AppData\Local\Temp\copyc88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe

        Filesize

        1.6MB

        MD5

        c5845949f95c5b713b9a76d5211c835f

        SHA1

        71c49204f8666bd2d54daf8bd0eabe0a4b145de7

        SHA256

        c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888

        SHA512

        35efa487ab280bb1a1e364f2a62c71ea37137a079df4b1c204acaa3e9706e13ae5d07065182fe71118152edb96ba0fe7424c0ad705c2f0341754f6b8c6549bad