Analysis

  • max time kernel
    142s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2022 00:55

General

  • Target

    5758c9bcfedd0f2684ccf1aefc31dd98e4f4e7fd70c873246bc6833feb11cfe2.exe

  • Size

    157KB

  • MD5

    72342feb4e0ef372cd6679526fb43b40

  • SHA1

    62bea71e98c0155747e54146d66ae29bbff4a1b2

  • SHA256

    5758c9bcfedd0f2684ccf1aefc31dd98e4f4e7fd70c873246bc6833feb11cfe2

  • SHA512

    33ca49d2fa31253ddbb2fddaef4433b782a135c5a55c4b42866e161c14440fb4e0d0495ce451003ad2768caafceac584902f982c9eb7bdbf417eb6054f39345d

  • SSDEEP

    3072:YoeKYCPFoio2aTpqYgVWAUSqlDCHLQtAcBWGAbdO9u:9eKY6o2aTpqbVW+5SBWlbyu

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.

  • Drops file in Program Files directory 8 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5758c9bcfedd0f2684ccf1aefc31dd98e4f4e7fd70c873246bc6833feb11cfe2.exe
    "C:\Users\Admin\AppData\Local\Temp\5758c9bcfedd0f2684ccf1aefc31dd98e4f4e7fd70c873246bc6833feb11cfe2.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
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 316
      2⤵
      • Program crash
      PID:1800

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1584-54-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/1584-55-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

    Filesize

    8KB

  • memory/1584-57-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB