Analysis

  • max time kernel
    93s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 12:53

General

  • Target

    Purchase Order 291765.exe

  • Size

    590KB

  • MD5

    d1c1b8a2281aef064c89254a6dae6784

  • SHA1

    97db63131a4e9e6ae649cfb32c4038577d62feb0

  • SHA256

    7b8714bdeaf6cd6803078d5b21af1afd9dccecf13456bdb4c879a63c4683a374

  • SHA512

    0adab21b0b33dd2138f9814afdb563478bd9e92fa2125d26a6b52d64a3bb0724bb89e5bf2d7728dbc657fcf1b1b02cb640f9e99980c92e466afe225f59622859

  • SSDEEP

    12288:XgDX/G7k2F1axoSAtT/ljZhsQTNnNE3pKPuQHhFJUBZTsSHz:A/ak2F1aiSAtT/l12gnC3pO3HHaBZAST

Malware Config

Signatures

  • Guloader family
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order 291765.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order 291765.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    PID:2680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsp784F.tmp\System.dll

    Filesize

    11KB

    MD5

    a4dd044bcd94e9b3370ccf095b31f896

    SHA1

    17c78201323ab2095bc53184aa8267c9187d5173

    SHA256

    2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc

    SHA512

    87335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a

  • memory/2680-11-0x0000000003270000-0x0000000003371000-memory.dmp

    Filesize

    1.0MB

  • memory/2680-12-0x0000000003270000-0x0000000003371000-memory.dmp

    Filesize

    1.0MB