Analysis

  • max time kernel
    228s
  • max time network
    260s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2023 17:42

General

  • Target

    8dc22051b3b116993095315408c14d174c2940288459d9f08b7748ce766d159d.exe

  • Size

    72KB

  • MD5

    9637ed14979db65038feef4198e52dd1

  • SHA1

    2b4e7ff68836b91dce0cd8cf34ead1136bd6fe84

  • SHA256

    8dc22051b3b116993095315408c14d174c2940288459d9f08b7748ce766d159d

  • SHA512

    e1958a332a865e1fc5ea9388fe839182477f936a26bf5a82b4d231a8fd3397892aa64f7b10a6757b5ae0058e0c66266f095f94566d2e60d56ef5bca4224d24db

  • SSDEEP

    1536:KDsqCVErgbEQ9RwK5aAcFYkKGuF+lQNYql/D:KYqCUgbEwR7RcFYkKGuF2QNx/

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1ZHj4dLvE53vort3O5aUec7FCICQviii2

xor.base64

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\8dc22051b3b116993095315408c14d174c2940288459d9f08b7748ce766d159d.exe
    "C:\Users\Admin\AppData\Local\Temp\8dc22051b3b116993095315408c14d174c2940288459d9f08b7748ce766d159d.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:1004

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1004-135-0x0000000002A60000-0x0000000002A6B000-memory.dmp

    Filesize

    44KB

  • memory/1004-136-0x00007FFE9C930000-0x00007FFE9CB25000-memory.dmp

    Filesize

    2.0MB