Analysis

  • max time kernel
    151s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 01:48

General

  • Target

    5f54dc65bc765bc466c857f848339d05f3acb39bf469eecbf78f6f26b6453dc8.exe

  • Size

    377KB

  • MD5

    8ecfa798046c77b9d76a94b14b02b02c

  • SHA1

    b1926a868f929e6673a5c947772a4e95a08f5a56

  • SHA256

    5f54dc65bc765bc466c857f848339d05f3acb39bf469eecbf78f6f26b6453dc8

  • SHA512

    3545eef3a5437cdd47adbfdcce2d12750296a5d42b1d85c6de674016e89fe009eab5274d701f21d23f720be5a604becf7bf2d755cebe75a8ca4d7073fe7a6051

  • SSDEEP

    6144:xCTPgrnq0/FniJi6uTJKvePPMqLckUet72FwBI+AFdb8Mu2tkqxrqLckP+xn0YOz:xCTPgrnZiJiAaMVkUet7EwBI+APu2DrY

Score
10/10

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Disables use of System Restore points 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 48 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 47 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Control Panel 3 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f54dc65bc765bc466c857f848339d05f3acb39bf469eecbf78f6f26b6453dc8.exe
    "C:\Users\Admin\AppData\Local\Temp\5f54dc65bc765bc466c857f848339d05f3acb39bf469eecbf78f6f26b6453dc8.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies visibility of file extensions in Explorer
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    PID:1528

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1528-54-0x00000000757B1000-0x00000000757B3000-memory.dmp

    Filesize

    8KB