Overview

overview

10

Static

static

10

XClient.exe

windows10-1703-x64

10

Sharing

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General

  • Target

    XClient.exe

  • Size

    61KB

  • Sample

    240630-g6g4bsxgjl

  • MD5

    d537ba1b5dfd28d617d98452caadf449

  • SHA1

    6cb1d669d2a10153e42ac33c7bd2fc8521ec7065

  • SHA256

    a2e9485cb6b0018d079a1956dc8a073393c75ee0eca1ebed1fcdaff21b076d2e

  • SHA512

    b0032aba438a0e8704ba6bb7f14e329464a4b09b3d4e6d8dc3ce96a8e70a21312faa407dddf092753234928e3de263a242ec45108f5a48a7d4f04695a9fcde2c

  • SSDEEP

    1536:QrgMsFzvH+u9GeCdg/vzb2xsK/WS6zAEzO5sK:QrD8vHFSWzb26FAEzO5sK

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

Ironthing-22901.portmap.host:22901

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      XClient.exe

    • Size

      61KB

    • MD5

      d537ba1b5dfd28d617d98452caadf449

    • SHA1

      6cb1d669d2a10153e42ac33c7bd2fc8521ec7065

    • SHA256

      a2e9485cb6b0018d079a1956dc8a073393c75ee0eca1ebed1fcdaff21b076d2e

    • SHA512

      b0032aba438a0e8704ba6bb7f14e329464a4b09b3d4e6d8dc3ce96a8e70a21312faa407dddf092753234928e3de263a242ec45108f5a48a7d4f04695a9fcde2c

    • SSDEEP

      1536:QrgMsFzvH+u9GeCdg/vzb2xsK/WS6zAEzO5sK:QrD8vHFSWzb26FAEzO5sK

    Score
    10/10
    xwormexecutionpersistencerattrojan

    • 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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • 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

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks