Analysis

  • max time kernel
    43s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    13/09/2022, 21:33

General

  • Target

    4e5410f0eb18a07360e9ebec0997db9f752208d2e54dcc40fc11721071777256.exe

  • Size

    371KB

  • MD5

    95dc944bac00498e8ffe6e0521fb9b33

  • SHA1

    ef457974564d9303e251894a7e818671a9e13a57

  • SHA256

    4e5410f0eb18a07360e9ebec0997db9f752208d2e54dcc40fc11721071777256

  • SHA512

    7a98779a9cd601bd902778a6d6730c468cc36f4a192a64e7cb6170dc18f7e955a68ff65b97786da27b1c6849cebe354cf01fb9b6c0ee025d767b85d8626edc85

  • SSDEEP

    6144:yPXqhjdkLCjBFJu4jmB+EJ6YxRm6E/zPPHEGdpD5XMvUD0mr9C8W3pZdQb4iIW:HrkLKBFJdjCjRYLPHEY2UD0Q9CasY

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\4e5410f0eb18a07360e9ebec0997db9f752208d2e54dcc40fc11721071777256.exe
    "C:\Users\Admin\AppData\Local\Temp\4e5410f0eb18a07360e9ebec0997db9f752208d2e54dcc40fc11721071777256.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    PID:1708

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\nso1F66.tmp\System.dll

          Filesize

          11KB

          MD5

          fccff8cb7a1067e23fd2e2b63971a8e1

          SHA1

          30e2a9e137c1223a78a0f7b0bf96a1c361976d91

          SHA256

          6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

          SHA512

          f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

        • memory/1708-54-0x0000000075111000-0x0000000075113000-memory.dmp

          Filesize

          8KB

        • memory/1708-56-0x0000000003700000-0x0000000003801000-memory.dmp

          Filesize

          1.0MB

        • memory/1708-57-0x0000000003700000-0x0000000003801000-memory.dmp

          Filesize

          1.0MB