Analysis

  • max time kernel
    149s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 12:06

General

  • Target

    0c38bb75acd2ef9ca9f83da283296492872b9955840532252ee55c1ab6c33072.exe

  • Size

    366KB

  • MD5

    367c82f4b86e930c51588cc698df79f4

  • SHA1

    5e3164f92b0bc5f64278367029ddc28bccdcf544

  • SHA256

    0c38bb75acd2ef9ca9f83da283296492872b9955840532252ee55c1ab6c33072

  • SHA512

    8c98dd08cedededfd2ab3fc7811f23444179ee500096987db9f582df4816cbde21a422ed888445e4ba36006bb474a82a536cbe45835954676003ea9a6ec9efa2

  • SSDEEP

    6144:xCTPgrnq0/FniJi6uTJKvePPMqLckUet72FwBI+AFdb8MuiVQO8uZUE4MR:xCTPgrnZiJiAaMVkUet7EwBI+APuzUj7

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.

  • Program crash 1 IoCs
  • Modifies Control Panel 3 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0c38bb75acd2ef9ca9f83da283296492872b9955840532252ee55c1ab6c33072.exe
    "C:\Users\Admin\AppData\Local\Temp\0c38bb75acd2ef9ca9f83da283296492872b9955840532252ee55c1ab6c33072.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
    • Suspicious use of WriteProcessMemory
    PID:1364
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1364 -s 436
      2⤵
      • Program crash
      PID:548

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/548-55-0x0000000000000000-mapping.dmp

  • memory/1364-54-0x0000000075611000-0x0000000075613000-memory.dmp

    Filesize

    8KB