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Analysis

  • max time kernel
    93s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/10/2022, 23:14

General

  • Target

    a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe

  • Size

    1.1MB

  • MD5

    0b15143903635fafae49dbf03407af7b

  • SHA1

    632008a3f5b2d730826e6a95a260e36e38b7d7b0

  • SHA256

    a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461

  • SHA512

    9efb69260332cb0f9011c939eae1349710317b611877351d3c607a5811b4fc216e779e16199e6c40fd7aad56d7376cfc0df0c5c29f86470f28ccce0f7625fac4

  • SSDEEP

    24576:ww0peow6/GmPN760aABzSbE0nc4v2o6IsQPTYDIH17GwoYw:oTbVSrz6nWH1GP/

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.

  • Drops startup file 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe
    "C:\Users\Admin\AppData\Local\Temp\a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:3888
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      PID:3512
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del c:\users\admin\appdata\local\temp\A61883~1.EXE >> NUL
      2⤵
        PID:2904

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd

      Filesize

      1.1MB

      MD5

      0b15143903635fafae49dbf03407af7b

      SHA1

      632008a3f5b2d730826e6a95a260e36e38b7d7b0

      SHA256

      a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461

      SHA512

      9efb69260332cb0f9011c939eae1349710317b611877351d3c607a5811b4fc216e779e16199e6c40fd7aad56d7376cfc0df0c5c29f86470f28ccce0f7625fac4

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd

      Filesize

      1.1MB

      MD5

      0b15143903635fafae49dbf03407af7b

      SHA1

      632008a3f5b2d730826e6a95a260e36e38b7d7b0

      SHA256

      a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461

      SHA512

      9efb69260332cb0f9011c939eae1349710317b611877351d3c607a5811b4fc216e779e16199e6c40fd7aad56d7376cfc0df0c5c29f86470f28ccce0f7625fac4