Overview

overview

10

Static

static

1

RFQ-09687-...038.js

windows10-2004-x64

10

RFQ-09687-...038.js

windows11-21h2-x64

10

Sharing

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General

  • Target
    bfcc4edadbac301b3d064c5f405dacdb55a767904fd0dc4219f5d80b6721eb9e
  • Size 1.4MB
  • Sample260601-pf8glads8m
  • SHA256 bfcc4edadbac301b3d064c5f405dacdb55a767904fd0dc4219f5d80b6721eb9e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
donutloaderxwormdefense_evasiondiscoveryexecutionloaderpyinstallerratspywarestealertrojanupx

Malware Config

Extracted

Family

  • xworm

Version

  • 5.0

C2

  • 45.133.116.16:8823

  • BiMQuT238p64emYwAjhVaw==:23

Mutex

  • EW9vmwVY6LpstH9C

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      RFQ-09687-NO-0687-05-26-MQ-06809-PR-0968-SC-1038.JS
    • Size 4.8MB
    • SHA256 c191e76fa3f4c9d119facac11fcec145f5239e3507e8c4da4d197dc9db50c70d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutiondonutloaderxwormloaderpyinstallerratspywarestealertrojanupx

    • Detect Xworm Payload

    • Detects DonutLoader

      loader

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

      loaderdonutloader

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks