Overview

overview

10

Static

static

10

LbsClient.exe

windows10-1703-x64

10

Sharing

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General

  • Target

    LbsClient.exe

  • Size

    63KB

  • Sample

    230323-l3vbpseh49

  • MD5

    762f2fc17465058d27010124bb425202

  • SHA1

    1b6b701c9c09128886e4676c4f1e534c7db39ad9

  • SHA256

    ae045f8e36db8f38af35258127ff43a71d522ae6ad15b7aad527bf75dd7a7666

  • SHA512

    329eacc85396f176fb30989f8d85fbeea097388ab37edecf22c3f4f368c1b0b0106cc7ec5c5ad06abbe488868ce4a5731ab04e4e7852a3d37bb1bdc42bb4e932

  • SSDEEP

    768:8FfQVS7rGOe01ZDKMFiw7qyignMEOoCenkHubK23vuEBXKZ7ifudOPJhsAjDOep:Yfo/mKM1qrgnqebKivpaV0udOR3us

Score
10/10
xwormevasionpersistenceransomwarerattrojan

Malware Config

Targets

    • Target

      LbsClient.exe

    • Size

      63KB

    • MD5

      762f2fc17465058d27010124bb425202

    • SHA1

      1b6b701c9c09128886e4676c4f1e534c7db39ad9

    • SHA256

      ae045f8e36db8f38af35258127ff43a71d522ae6ad15b7aad527bf75dd7a7666

    • SHA512

      329eacc85396f176fb30989f8d85fbeea097388ab37edecf22c3f4f368c1b0b0106cc7ec5c5ad06abbe488868ce4a5731ab04e4e7852a3d37bb1bdc42bb4e932

    • SSDEEP

      768:8FfQVS7rGOe01ZDKMFiw7qyignMEOoCenkHubK23vuEBXKZ7ifudOPJhsAjDOep:Yfo/mKM1qrgnqebKivpaV0udOR3us

    Score
    10/10
    xwormevasionpersistenceransomwarerattrojan

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Modifies Windows Firewall

      evasion

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks computer location settings

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

    • Drops startup file

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Tasks