Overview

overview

10

Static

static

10

f537e87806...ab.exe

windows7-x64

10

f537e87806...ab.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f537e878065dbdfb04fa5382bf82b1ab.bin

  • Size

    173KB

  • Sample

    240630-eymmqsteqa

  • MD5

    f537e878065dbdfb04fa5382bf82b1ab

  • SHA1

    21c67ae027f5b1db7d84a93433bc17b1f5826151

  • SHA256

    f1d31c22c3cd5ea68f7929947784806fb5f9d48ce35f7133351f743d870aa223

  • SHA512

    02e80c6f24e56091e747732bfe2025ab39a62cd9a6eaa50fcd3b26a57451dc159c23af9357ee88a8dd08926c9bed4f168e8ef37cf40d8ca2e75c8b61afec26a3

  • SSDEEP

    3072:mMSwuonS8fqbBohj4UQOWqUAdBz65/M6If+3Js+3JFkKeTn6:mMS3onSrb6hj4UXdxBt25

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:57677

Azuu-57677.portmap.io:57677
Attributes
  • Install_directory

    %Temp%

  • install_file

    svchost.exe

Targets

    • Target

      f537e878065dbdfb04fa5382bf82b1ab.bin

    • Size

      173KB

    • MD5

      f537e878065dbdfb04fa5382bf82b1ab

    • SHA1

      21c67ae027f5b1db7d84a93433bc17b1f5826151

    • SHA256

      f1d31c22c3cd5ea68f7929947784806fb5f9d48ce35f7133351f743d870aa223

    • SHA512

      02e80c6f24e56091e747732bfe2025ab39a62cd9a6eaa50fcd3b26a57451dc159c23af9357ee88a8dd08926c9bed4f168e8ef37cf40d8ca2e75c8b61afec26a3

    • SSDEEP

      3072:mMSwuonS8fqbBohj4UQOWqUAdBz65/M6If+3Js+3JFkKeTn6:mMS3onSrb6hj4UXdxBt25

    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

    • Checks computer location settings

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

    • 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.

    behavioral1behavioral2

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

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks