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Overview

overview

10

Static

static

10

WindowsDefender.exe

windows10-ltsc 2021-x64

10

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General

  • Target

    WindowsDefender.exe

  • Size

    95KB

  • Sample

    250310-rbls5sxms3

  • MD5

    65f993dfe7a91fc72368b6c2e3d19c0c

  • SHA1

    9e64ebc0bbb50dd7527d4526eafa61488327df1d

  • SHA256

    af2a912e694659f3072ea311ba087669a6b658f46354e899a6ba210fe2400bf0

  • SHA512

    c0c8416f763e41f81450fd81cb92d0eb93742c852d47c24fe87bd013a974f2258c7d8c465fa089bfa8e1be559595edfe01e99482f150b053f6b9ac34ba3516e3

  • SSDEEP

    768:5XYTWoch1vWG8eX8g33IF5P+9Ojr6BOMhJ3sUDDHW:5oWTvvAKT3YFo9Ir6BOMD/DDHW

Score
10/10
xwormdiscoveryrattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

dknX6tigTFl8RPH7

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

  • pastebin_url

    https://pastebin.com/raw/dhJRbfkU

aes.plain

Targets

    • Target

      WindowsDefender.exe

    • Size

      95KB

    • MD5

      65f993dfe7a91fc72368b6c2e3d19c0c

    • SHA1

      9e64ebc0bbb50dd7527d4526eafa61488327df1d

    • SHA256

      af2a912e694659f3072ea311ba087669a6b658f46354e899a6ba210fe2400bf0

    • SHA512

      c0c8416f763e41f81450fd81cb92d0eb93742c852d47c24fe87bd013a974f2258c7d8c465fa089bfa8e1be559595edfe01e99482f150b053f6b9ac34ba3516e3

    • SSDEEP

      768:5XYTWoch1vWG8eX8g33IF5P+9Ojr6BOMhJ3sUDDHW:5oWTvvAKT3YFo9Ir6BOMD/DDHW

    Score
    10/10
    xwormdiscoveryrattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Xworm family

      xworm

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks