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Analysis

  • max time kernel
    90s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/09/2022, 18:12

General

  • Target

    722ac7ec70c350b4a1e82e2674290a5d4f590de3908cb61a2fd4158130d3a0c5.exe

  • Size

    632KB

  • MD5

    dace754582e6d60e2b26463e49f38bd8

  • SHA1

    6fb3d0b89b5e965e40b4902f0f6fca28855836be

  • SHA256

    722ac7ec70c350b4a1e82e2674290a5d4f590de3908cb61a2fd4158130d3a0c5

  • SHA512

    9a53417b294fa247c0efbc8f0ebbc9c10a75c299cc2a45f373927795d889ca8923f5ece7f6b09696542b82b14eb87debbce2727cb45af691907155bbc7214086

  • SSDEEP

    12288:mgDX/G7k2F1axoSAtT/ljZhsQTNTpi17U2nFsIwAZJDIh8:7/ak2F1aiSAtT/l12gTgpUwaIwAjL

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.

  • 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\722ac7ec70c350b4a1e82e2674290a5d4f590de3908cb61a2fd4158130d3a0c5.exe
    "C:\Users\Admin\AppData\Local\Temp\722ac7ec70c350b4a1e82e2674290a5d4f590de3908cb61a2fd4158130d3a0c5.exe"
    1⤵
    • Loads dropped DLL
    PID:4800

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsx6827.tmp\System.dll

    Filesize

    11KB

    MD5

    a4dd044bcd94e9b3370ccf095b31f896

    SHA1

    17c78201323ab2095bc53184aa8267c9187d5173

    SHA256

    2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc

    SHA512

    87335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a

  • memory/4800-133-0x0000000005250000-0x0000000005351000-memory.dmp

    Filesize

    1.0MB

  • memory/4800-134-0x0000000005250000-0x0000000005351000-memory.dmp

    Filesize

    1.0MB