General

  • Target

    9cf039f17de50455e60eb51fed7638023f7070d1a3101b1fd974c2964747df1d

  • Size

    363KB

  • Sample

    220521-ace9bachaq

  • MD5

    1ecc5dcea6bee28d3d6da9f90c074ee3

  • SHA1

    1d78bfc94f7d8bb816ade416b90b2be6b0b103ae

  • SHA256

    9cf039f17de50455e60eb51fed7638023f7070d1a3101b1fd974c2964747df1d

  • SHA512

    db00df663fcf4f4ef3a06cc0de8516aeb52560112090feeb629a95e34d7e43b873bd085cd4ff4aef56b6b7ec8ced25a202bc7318791719c9fe7d3aa4fd71e5dd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chizzy25@

Targets

    • Target

      FedEx's AWB#530532320464350.pdf.exe

    • Size

      881KB

    • MD5

      566a9a9781b506b65ad41174cfcd6c77

    • SHA1

      a51ad73695c95981edfb03fd5ccdb2eec11ff472

    • SHA256

      a70fef725d796b5adb74d12567424fe976af6539cc49d7c0fb9cfbf5812edb03

    • SHA512

      a5880fe29cd4145c919754fc5ac7f3331cfd9e70be79f2ddd36e7e2ebd43360097d9087898ac0680ee71effd9272b98988d293317a8f57f7903631b9b935c602

    • AgentTesla

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

    • AgentTesla Payload

    • Executes dropped EXE

    • Checks computer location settings

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

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks