Analysis

  • max time kernel
    144s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2022 21:02

General

  • Target

    d61f283d8c3097f4eeed3eac0b94b84d551c7539a75f5f53cd18dd7847974f14.exe

  • Size

    164KB

  • MD5

    5467af014900c650fb12c3f93d00350b

  • SHA1

    bfd77d10945ed1f76b1943f2bf1408045a869438

  • SHA256

    d61f283d8c3097f4eeed3eac0b94b84d551c7539a75f5f53cd18dd7847974f14

  • SHA512

    bb1c356aed001fcc3decc72f8a32928aa3812dd6f6e616874d9a9e9ac49bce7f134affd4cbcf3d11cad9d54cb83cfccc83a90f759e7f0a5482771bce8578cc32

  • SSDEEP

    3072:Nq60E/DS+/Y9wVMNtydw5D+GgE6BEfupLj9ks:hn/YWVMNtC0D+Q6qfoj9Z

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 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 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d61f283d8c3097f4eeed3eac0b94b84d551c7539a75f5f53cd18dd7847974f14.exe
    "C:\Users\Admin\AppData\Local\Temp\d61f283d8c3097f4eeed3eac0b94b84d551c7539a75f5f53cd18dd7847974f14.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops autorun.inf file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1508 -s 540
      2⤵
      • Program crash
      PID:2000

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1508-54-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1508-55-0x0000000075451000-0x0000000075453000-memory.dmp

    Filesize

    8KB

  • memory/1508-56-0x0000000074491000-0x0000000074493000-memory.dmp

    Filesize

    8KB

  • memory/1508-58-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2000-57-0x0000000000000000-mapping.dmp