General

  • Target

    bb4d493b59bbb2d69843af401dcd468ed0a8ed7c97932d99497a299d42ccaf3c

  • Size

    531KB

  • Sample

    220625-lttc2sfddr

  • MD5

    2095dfc217f35f5ca91e12f05986744e

  • SHA1

    cb910d82a50b3b6a35cf29f114d095375d41f608

  • SHA256

    bb4d493b59bbb2d69843af401dcd468ed0a8ed7c97932d99497a299d42ccaf3c

  • SHA512

    db03d898dbb7797b494b014cc76bee9c5083d214d84ad31b5fd23dbd2d08c4ffe3d387acfb4a9e4f75de08a53ca9fc152c331e8879213ee2bf0040105759dfd1

Malware Config

Targets

    • Target

      bb4d493b59bbb2d69843af401dcd468ed0a8ed7c97932d99497a299d42ccaf3c

    • Size

      531KB

    • MD5

      2095dfc217f35f5ca91e12f05986744e

    • SHA1

      cb910d82a50b3b6a35cf29f114d095375d41f608

    • SHA256

      bb4d493b59bbb2d69843af401dcd468ed0a8ed7c97932d99497a299d42ccaf3c

    • SHA512

      db03d898dbb7797b494b014cc76bee9c5083d214d84ad31b5fd23dbd2d08c4ffe3d387acfb4a9e4f75de08a53ca9fc152c331e8879213ee2bf0040105759dfd1

    • AgentTesla

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

    • AgentTesla Payload

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • Checks computer location settings

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

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks