Overview

overview

10

Static

static

10

2024-06-15...ar.exe

windows7-x64

10

2024-06-15...ar.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-06-15_acffc1f0283e48c3be63bdaef1b841e3_hiddentear

  • Size

    165KB

  • Sample

    240615-a3vfxsshlh

  • MD5

    acffc1f0283e48c3be63bdaef1b841e3

  • SHA1

    317e5b38615a5b33e90d4c9a9e5648afdf3d97fe

  • SHA256

    5a368fa901666c714335f1503850c0376f4be1821493f4c4e234f42a882a8db5

  • SHA512

    47e019e385e503bfc160bef1a7b3aeb395e2bf5c442b72d3b136672e42da9e0409b3daa810a168f8718bebed264c6cc0199d3ae3741cd3895777dafd73ec287d

  • SSDEEP

    3072:jgKBlnkuqXbXctK5OQhbQlM+lmsolAIrRuw+mqv9j1MWLQb:EjHbpQe+lDAA

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

194.26.192.246:7000

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    USB.exe

Targets

    • Target

      2024-06-15_acffc1f0283e48c3be63bdaef1b841e3_hiddentear

    • Size

      165KB

    • MD5

      acffc1f0283e48c3be63bdaef1b841e3

    • SHA1

      317e5b38615a5b33e90d4c9a9e5648afdf3d97fe

    • SHA256

      5a368fa901666c714335f1503850c0376f4be1821493f4c4e234f42a882a8db5

    • SHA512

      47e019e385e503bfc160bef1a7b3aeb395e2bf5c442b72d3b136672e42da9e0409b3daa810a168f8718bebed264c6cc0199d3ae3741cd3895777dafd73ec287d

    • SSDEEP

      3072:jgKBlnkuqXbXctK5OQhbQlM+lmsolAIrRuw+mqv9j1MWLQb:EjHbpQe+lDAA

    Score
    10/10
    xwormexecutionpersistencerattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Detects Windows executables referencing non-Windows User-Agents

    • 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

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

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