Overview

overview

10

Static

static

10

SMB.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    SMB.exe

  • Size

    44KB

  • Sample

    240615-ev5ddayeme

  • MD5

    f10ea365fc4809c4ebad7e2d2decbc2c

  • SHA1

    898aad62ced8330304665477b71a5167b7e6e4d9

  • SHA256

    552592d99b784facfde5350402c69c5158c239bd147acbd75b43b5e9f40dcdfc

  • SHA512

    0e3dd29ab398e4c3d409e156dde14a48d028994c02b71a86a3ac3db29b5af8f3a9b4eaf332c48329462292a883399f56679b12c9df495768c71121be407f5c52

  • SSDEEP

    768:42aZQnlm1k5nVABIIkfVr9PDDmFEPa9BfBXO6tOFhLzwtwg:4KlRdflMFd9NBXO6tOF5ng

Score
10/10
xwormexecutionrattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

XgMwB5Un881eApDQ

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    rundll64.exe

  • pastebin_url

    https://pastebin.com/raw/EiiXCJbn

aes.plain

Targets

    • Target

      SMB.exe

    • Size

      44KB

    • MD5

      f10ea365fc4809c4ebad7e2d2decbc2c

    • SHA1

      898aad62ced8330304665477b71a5167b7e6e4d9

    • SHA256

      552592d99b784facfde5350402c69c5158c239bd147acbd75b43b5e9f40dcdfc

    • SHA512

      0e3dd29ab398e4c3d409e156dde14a48d028994c02b71a86a3ac3db29b5af8f3a9b4eaf332c48329462292a883399f56679b12c9df495768c71121be407f5c52

    • SSDEEP

      768:42aZQnlm1k5nVABIIkfVr9PDDmFEPa9BfBXO6tOFhLzwtwg:4KlRdflMFd9NBXO6tOF5ng

    Score
    10/10
    xwormexecutionrattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • 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 Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks