General

  • Target

    4efcea29ba8f3df966cb86748233b9d5f85767341dc83f0d4f46bf9eee6ee556

  • Size

    1.4MB

  • Sample

    221125-l1435ach3v

  • MD5

    bff2b660edd464c391cf5059f1e16936

  • SHA1

    03f23d669f71532329f2d00f616c80ae613263e8

  • SHA256

    4efcea29ba8f3df966cb86748233b9d5f85767341dc83f0d4f46bf9eee6ee556

  • SHA512

    29f2ca52cb9562fd196163ea012d94e5d17060955610b9f6cbcf63f6196d40c3f9e6b2bea61453a8d5b4d21ba58242e976ec552a84a06a9d9ed2f58530aac05c

  • SSDEEP

    24576:jAHnh+eWsN3skA4RV1Hom2KXMmHab32MryMOEibPMVrS9Wqn25:uh+ZkldoPK8YabZqs

Malware Config

Targets

    • Target

      4efcea29ba8f3df966cb86748233b9d5f85767341dc83f0d4f46bf9eee6ee556

    • Size

      1.4MB

    • MD5

      bff2b660edd464c391cf5059f1e16936

    • SHA1

      03f23d669f71532329f2d00f616c80ae613263e8

    • SHA256

      4efcea29ba8f3df966cb86748233b9d5f85767341dc83f0d4f46bf9eee6ee556

    • SHA512

      29f2ca52cb9562fd196163ea012d94e5d17060955610b9f6cbcf63f6196d40c3f9e6b2bea61453a8d5b4d21ba58242e976ec552a84a06a9d9ed2f58530aac05c

    • SSDEEP

      24576:jAHnh+eWsN3skA4RV1Hom2KXMmHab32MryMOEibPMVrS9Wqn25:uh+ZkldoPK8YabZqs

    • AgentTesla

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

    • AgentTesla payload

    • Drops startup file

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • 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

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks