Analysis

  • max time kernel
    37s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 17:42

General

  • Target

    bad16d4dcbc47d1b5b928abb2f95fd8bb71d7cca98b399caaa04c80c401e354c.exe

  • Size

    72KB

  • MD5

    87e6649598a86f3d1b1191dda3d901e5

  • SHA1

    30b40a5fbc4b7734966bbef5290586fcaad3d933

  • SHA256

    bad16d4dcbc47d1b5b928abb2f95fd8bb71d7cca98b399caaa04c80c401e354c

  • SHA512

    c1cd27782e1ffe2a94fed1e617ae11ae281dc988df1ac29a0093fac019fe3590df55bff450951ce91dd996004a32689c605eac0780ad43d463b64b48110767bd

  • SSDEEP

    1536:WD+FE3ivMhqsL6VezPCcQM8y0OxYsYu9wWD:WCFE3ivMgsuVqPCcQM8y0CYsIW

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1vEJYlGXKpzVADVAgIBq9nEQBYZ_hkEq_

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\bad16d4dcbc47d1b5b928abb2f95fd8bb71d7cca98b399caaa04c80c401e354c.exe
    "C:\Users\Admin\AppData\Local\Temp\bad16d4dcbc47d1b5b928abb2f95fd8bb71d7cca98b399caaa04c80c401e354c.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:2020

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2020-56-0x0000000000270000-0x000000000027B000-memory.dmp

    Filesize

    44KB

  • memory/2020-57-0x0000000076CB0000-0x0000000076E59000-memory.dmp

    Filesize

    1.7MB