Overview

overview

10

Static

static

3

8f77f8b13b...cs.exe

windows7-x64

10

8f77f8b13b...cs.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8f77f8b13b914f358059e3f7b9ddab70_NeikiAnalytics.exe

  • Size

    139KB

  • Sample

    240601-gcwdvscd43

  • MD5

    8f77f8b13b914f358059e3f7b9ddab70

  • SHA1

    d406a28486b4dd881c454e526e149b98c0ec8462

  • SHA256

    c22c863186e9e86a07cdb7f214c4acede216405a09d4032a603e64931f6966e6

  • SHA512

    b00ba88d36203e389021672b39839a172b58e492bb71afb33c9f53b9ba406a0cf5d61cb5bfe6f11dc40529be8424690737ce178d7dd4981b120ec4694f51abad

  • SSDEEP

    3072:bNmWFIDmBFlT1wnCMjIM8pec/dAnXQdnbeFa7cMjGvA/v2QmZ6OGmfx7jHJm:b06BwnRlcCXUhcdv2uN5

Score
10/10
umbralxwormexecutionpersistenceratspywarestealertrojan

Malware Config

Extracted

Family

xworm

C2

answer-riverside.gl.at.ply.gg:45691

Attributes
  • Install_directory

    %AppData%

  • install_file

    svhost.exe

Extracted

Family

umbral

C2

https://discordapp.com/api/webhooks/1239665745831530598/iJT0OELt4O4igXW_VMu-CUIfcqaawXLhyC4Bruuv1t2x0XOvC0_p9dc-G_RxJMO7fn-V

Targets

    • Target

      8f77f8b13b914f358059e3f7b9ddab70_NeikiAnalytics.exe

    • Size

      139KB

    • MD5

      8f77f8b13b914f358059e3f7b9ddab70

    • SHA1

      d406a28486b4dd881c454e526e149b98c0ec8462

    • SHA256

      c22c863186e9e86a07cdb7f214c4acede216405a09d4032a603e64931f6966e6

    • SHA512

      b00ba88d36203e389021672b39839a172b58e492bb71afb33c9f53b9ba406a0cf5d61cb5bfe6f11dc40529be8424690737ce178d7dd4981b120ec4694f51abad

    • SSDEEP

      3072:bNmWFIDmBFlT1wnCMjIM8pec/dAnXQdnbeFa7cMjGvA/v2QmZ6OGmfx7jHJm:b06BwnRlcCXUhcdv2uN5

    Score
    10/10
    umbralxwormexecutionpersistenceratstealertrojanspyware

    • Detect Umbral payload

    • Detect Xworm Payload

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

      stealerumbral

    • 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 file in Drivers directory

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • 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.

    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

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks