General

  • Target

    XWorm V5.2.rar

  • Size

    30.8MB

  • Sample

    240516-p1dsqadg88

  • MD5

    fedb5514599b1b6b2583d2d02f67b18d

  • SHA1

    30bf61c43970f8f60e8770f649ab9a406020ac18

  • SHA256

    fa4e6545f776160094004f3bfc1c9e199ec43e22870b1674b48ecc9a80ec71fb

  • SHA512

    3bae5883c01222d537dde94cf4a8aedf86023349be2c742f7e6aa78e9faafc10dcd596968773e8287a58051d7696c2024aedd6704f11a3a1fc2c5fdbf17861f7

  • SSDEEP

    786432:+yMMBOS745XHHdXOXZCJxMJW18F3JhLDj55I7cTFXPz:dBzEtn0QJ2g12Jhnt9Zb

Malware Config

Targets

    • Target

      XWorm V5.2.rar

    • Size

      30.8MB

    • MD5

      fedb5514599b1b6b2583d2d02f67b18d

    • SHA1

      30bf61c43970f8f60e8770f649ab9a406020ac18

    • SHA256

      fa4e6545f776160094004f3bfc1c9e199ec43e22870b1674b48ecc9a80ec71fb

    • SHA512

      3bae5883c01222d537dde94cf4a8aedf86023349be2c742f7e6aa78e9faafc10dcd596968773e8287a58051d7696c2024aedd6704f11a3a1fc2c5fdbf17861f7

    • SSDEEP

      786432:+yMMBOS745XHHdXOXZCJxMJW18F3JhLDj55I7cTFXPz:dBzEtn0QJ2g12Jhnt9Zb

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • AgentTesla payload

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

3
T1112

Discovery

Query Registry

5
T1012

System Information Discovery

4
T1082

Tasks