Overview

overview

10

Static

static

10

a.exe

windows7-x64

10

a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a.exe

  • Size

    239KB

  • Sample

    240629-w1tmhasgqa

  • MD5

    f6bb396fd836f66cd9f33ca4b0262dd7

  • SHA1

    bfc7036e32a59ac25db505d263b5f4cade24c53c

  • SHA256

    1073ff4689cb536805d2881988b72853b029040f446af5ced18d1bc08b2266e1

  • SHA512

    9b1668fa849054964470f8160835480d7618dd28845827b7ab1334935f8c657a4fe2ce07ed42593d558b3ac0bb3412bf9c188477008e189f6cdaae71255c28c2

  • SSDEEP

    3072:PDOTa8CC9ooblQ7zDoxB4OlBW3q8SKfbzxcwg7es6/Vsb8VKTu549oJMfF/H9N3Y:bfIbSc83qUhcX7elbKTua9bfF/H9d9n

Score
10/10
xwormpersistencerattrojan

Malware Config

Extracted

Family

xworm

Version

3.1

C2

6.tcp.eu.ngrok.io:13394

Attributes
  • Install_directory

    %Public%

  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot6674821695:AAExQsr6_hmXk6hz7CN4kMSi9cs9y86daYM/sendMessage?chat_id=5865520781

Targets

    • Target

      a.exe

    • Size

      239KB

    • MD5

      f6bb396fd836f66cd9f33ca4b0262dd7

    • SHA1

      bfc7036e32a59ac25db505d263b5f4cade24c53c

    • SHA256

      1073ff4689cb536805d2881988b72853b029040f446af5ced18d1bc08b2266e1

    • SHA512

      9b1668fa849054964470f8160835480d7618dd28845827b7ab1334935f8c657a4fe2ce07ed42593d558b3ac0bb3412bf9c188477008e189f6cdaae71255c28c2

    • SSDEEP

      3072:PDOTa8CC9ooblQ7zDoxB4OlBW3q8SKfbzxcwg7es6/Vsb8VKTu549oJMfF/H9N3Y:bfIbSc83qUhcX7elbKTua9bfF/H9d9n

    Score
    10/10
    xwormrattrojanpersistence

    • Detect Xworm Payload

    • 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.

    • Drops startup file

    • Adds Run key to start application

      persistence

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

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

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks