Overview

overview

10

Static

static

3

kdmapper/kdmapper.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    kdmapper.rar

  • Size

    212KB

  • Sample

    240521-waf9gsdb49

  • MD5

    6865e4056761d624996aa64549e28858

  • SHA1

    8a10286c90d86baec7025b8b2d011dea02b3b5fd

  • SHA256

    fc68c8abc16227d7157a7666f71919af2702a891419d74e6fed5f4b324e3487d

  • SHA512

    f6d803a880cd888d37a7f902c0bcaa097ae85646aa55abb1d268de07fa0637caa7abed61442664b7b67b26e4fe30099a4e7d4f5ea5693181c20eeca21cdc6a6b

  • SSDEEP

    6144:nOc9vYyX9/A0J8yMg8hMB5+MKs9IXfyiaz:j9vYS9/A0KG5sXfuz

Score
10/10
neshtaxwormexecutionpersistenceratspywarestealertrojan

Malware Config

Extracted

Family

xworm

C2

45.88.90.228:7000

178.215.236.228:7000
Attributes
  • Install_directory

    %ProgramData%

  • install_file

    RtkAudUService64.exe

Targets

    • Target

      kdmapper/kdmapper.exe

    • Size

      213KB

    • MD5

      8b0bec71c0c9bfb67fc51cfeca662758

    • SHA1

      aac11a7bcc44ac97f609375271d60b47d09764b6

    • SHA256

      8b20f47382ac9fb608e568787d9d2974a3c3716bf56ba0208ef5599b19db4a1c

    • SHA512

      0e62b0c72caccdc35307bf9175c101ac3b1076f918db54605bad71097104befff8d818977401ed808bfc8b1abc56c8c5af243bc9fdc51ee4e8b50fb1bfbb25b8

    • SSDEEP

      6144:tTsNwAJb5JrD89A32tvPHilDRfc8t0hVkPn:tAN9JFJrD89akvm9f5OVk

    Score
    10/10
    neshtaxwormexecutionpersistenceratspywarestealertrojan

    • Detect Neshta payload

    • Detect Xworm Payload

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

      persistencespywareneshta

    • 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

    • Modifies system executable filetype association

      persistence

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • 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

Persistence

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks