Overview

overview

10

Static

static

3f9f864ed5...47.exe

windows7-x64

10

3f9f864ed5...47.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    112s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2023 15:22

Sharing

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General

  • Target

    3f9f864ed54e44384cf7b555812093eda1b1ee9871c1314ec549daf3a67e3747.exe

  • Size

    72KB

  • MD5

    3688f795d5c81265368cbea22964c97f

  • SHA1

    8b649cf8652bc187822209ed64e7b5cf22295589

  • SHA256

    3f9f864ed54e44384cf7b555812093eda1b1ee9871c1314ec549daf3a67e3747

  • SHA512

    e21ca2a649a6af723ff0e137c1198614a7a986f4ab359c8b01072e27909e3276abc88dd9b371f5f048059712b0a2c722760494f2a78b154dd9985a2a8eea814d

  • SSDEEP

    1536:0Xkky+qSfg1eu6gzZg/k+hFI4ARzyZs0R8LX:0dy+qW6lukcFNAtyZR8L

Score
10/10
guloaderdownloaderguloader

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1ABJ4O34hwHOuCcfJkzm0z2vbXEFV7L0w

xor.base64

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

    downloaderguloader
  • Guloader payload 1 IoCs
    guloader
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f9f864ed54e44384cf7b555812093eda1b1ee9871c1314ec549daf3a67e3747.exe
    "C:\Users\Admin\AppData\Local\Temp\3f9f864ed54e44384cf7b555812093eda1b1ee9871c1314ec549daf3a67e3747.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4284

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4284-134-0x00000000022A0000-0x00000000022AB000-memory.dmp
    Filesize

    44KB

    Download
  • memory/4284-135-0x00007FFAD6610000-0x00007FFAD6805000-memory.dmp
    Filesize

    2.0MB

    Download