Overview

overview

10

Static

static

3

4fb48e8fd5...bf.exe

windows7-x64

10

4fb48e8fd5...bf.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4fb48e8fd54c7dba1422489d3312e5c0bde0f8e4d375103c28160403624afabf.exe

  • Size

    560KB

  • Sample

    240522-r2nqeseg3v

  • MD5

    4a5f7263d5e978024e4d3c7abed82307

  • SHA1

    0a8f9bb8e9058beb4bd67ea08b8ef82bc90fcd8c

  • SHA256

    4fb48e8fd54c7dba1422489d3312e5c0bde0f8e4d375103c28160403624afabf

  • SHA512

    d843fe704beeb3b61916c789626bc908eed44455a34a86a65994db47c759311aef05c4f2d1530f2f073e99e6bdf3dc2b15944772fee7d161b492e70ba8a09c22

  • SSDEEP

    12288:IzxKn6yWn7fcpVZlu/6uHqa9XnWsh9P5u7JwdprNLUgNYGutA:rn698VVYFlRu7J6ZUgNiA

Score
10/10
xwormexecutionrattrojan

Malware Config

Extracted

Family

xworm

C2

104.250.180.178:7061

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      4fb48e8fd54c7dba1422489d3312e5c0bde0f8e4d375103c28160403624afabf.exe

    • Size

      560KB

    • MD5

      4a5f7263d5e978024e4d3c7abed82307

    • SHA1

      0a8f9bb8e9058beb4bd67ea08b8ef82bc90fcd8c

    • SHA256

      4fb48e8fd54c7dba1422489d3312e5c0bde0f8e4d375103c28160403624afabf

    • SHA512

      d843fe704beeb3b61916c789626bc908eed44455a34a86a65994db47c759311aef05c4f2d1530f2f073e99e6bdf3dc2b15944772fee7d161b492e70ba8a09c22

    • SSDEEP

      12288:IzxKn6yWn7fcpVZlu/6uHqa9XnWsh9P5u7JwdprNLUgNYGutA:rn698VVYFlRu7J6ZUgNiA

    Score
    10/10
    xwormexecutionrattrojan

    • Detect Xworm Payload

    • 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

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks