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Overview

overview

10

Static

static

10

0b26abc692...ce.dll

windows7-x64

10

0b26abc692...ce.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/08/2024, 01:04

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General

  • Target

    0b26abc692b7a2877b6b6fce6aa99b29af125b063f1c41b507362def59f8dfce.dll

  • Size

    141KB

  • MD5

    2492aca399dfaf75e761586844734980

  • SHA1

    c7d147e588fe5ec6101bf69ec0dbc5d2252fbad6

  • SHA256

    0b26abc692b7a2877b6b6fce6aa99b29af125b063f1c41b507362def59f8dfce

  • SHA512

    1ce1a434b2cc5498b5547720d4eaf14a907b359492a1694847bb3119ca4b0b6ba8bfad02e2a39c71111aacd637db224a6b44c77c7469d19b9cbea4deab4b15fd

  • SSDEEP

    3072:HACxLpcTIhjZM3VhHSkYl8CagwurZvE9vV1ZQ6R:HTtpcPlJSTl4Pu8

Score
10/10
warmcookiebackdoor

Malware Config

Extracted

Family

warmcookie

C2

185.49.69.41

Attributes
  • mutex

    0b664cde-8833-4945-8aff-b301b3bfebe8

  • user_agent

    Mozilla / 4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1;.NET CLR 1.0.3705)

Signatures

  • Warmcookie, Badspace

    Warmcookie aka Badspace is a backdoor written in C++.

    backdoorwarmcookie
  • Blocklisted process makes network request 18 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in Windows directory 1 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0b26abc692b7a2877b6b6fce6aa99b29af125b063f1c41b507362def59f8dfce.dll
    1⤵
    • Drops file in Windows directory
    PID:2652
  • C:\Windows\system32\rundll32.exe
    C:\Windows\system32\rundll32.exe "C:\ProgramData\RtlUpd\RtlUpd.dll",Start /p
    1⤵
    • Blocklisted process makes network request
    • Loads dropped DLL
    PID:2472

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\ProgramData\RtlUpd\RtlUpd.dll
    Filesize

    141KB

    MD5

    2492aca399dfaf75e761586844734980

    SHA1

    c7d147e588fe5ec6101bf69ec0dbc5d2252fbad6

    SHA256

    0b26abc692b7a2877b6b6fce6aa99b29af125b063f1c41b507362def59f8dfce

    SHA512

    1ce1a434b2cc5498b5547720d4eaf14a907b359492a1694847bb3119ca4b0b6ba8bfad02e2a39c71111aacd637db224a6b44c77c7469d19b9cbea4deab4b15fd

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