General

  • Target

    6a83f449fc1dd1f88e89ba47a29c8e3a12b04145ae4377cddc5ca5a93ead0c91

  • Size

    768KB

  • Sample

    220521-pxsgpsbdcr

  • MD5

    22dbfe74635797260671cd5dbbf0a3bc

  • SHA1

    8cbdde1a2319ee60c9f6a9e05d2879362ab44668

  • SHA256

    6a83f449fc1dd1f88e89ba47a29c8e3a12b04145ae4377cddc5ca5a93ead0c91

  • SHA512

    713fa04c7dbf9612bf69336d0cc3b56f433db712a516a6496160706135fad58e8a31cb2a54e893ecebb49b34bf7466b330d44f1e9446fde0af9cda3f118eb88e

Malware Config

Targets

    • Target

      6a83f449fc1dd1f88e89ba47a29c8e3a12b04145ae4377cddc5ca5a93ead0c91

    • Size

      768KB

    • MD5

      22dbfe74635797260671cd5dbbf0a3bc

    • SHA1

      8cbdde1a2319ee60c9f6a9e05d2879362ab44668

    • SHA256

      6a83f449fc1dd1f88e89ba47a29c8e3a12b04145ae4377cddc5ca5a93ead0c91

    • SHA512

      713fa04c7dbf9612bf69336d0cc3b56f433db712a516a6496160706135fad58e8a31cb2a54e893ecebb49b34bf7466b330d44f1e9446fde0af9cda3f118eb88e

    • 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

    • 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

    • 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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks