General

  • Target

    caf65e84911a0a9c41c63bde364f52cfe70b7f768d0c5daac67501c5f3fbf0fe

  • Size

    509KB

  • Sample

    220521-pfk2asadgj

  • MD5

    5edd90109dbf16af3b8bc2d479c30b9c

  • SHA1

    044f295e9efee1ae76489d1c0067c0dad9efde3e

  • SHA256

    caf65e84911a0a9c41c63bde364f52cfe70b7f768d0c5daac67501c5f3fbf0fe

  • SHA512

    ae1feb9ec9fe5620c00f717f4bb5c67cbdd99a27917bef0f8e49f406748b85089c093dfc428d12c86501db79aa1bd92430d080a463fcf55f98fb266d698e1b2e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    secure231.servconfig.com
  • Port:
    587
  • Username:
    info@eltaef.com
  • Password:
    eltaefSH6548883

Targets

    • Target

      soaMay2020pdf.exe

    • Size

      611KB

    • MD5

      669256671009488ea28cd80afddb0ccc

    • SHA1

      3d2f08956221190057d84428f17b80607d979304

    • SHA256

      8beeeeda5eedb1246f95b8c4f658e71dc5f709dd00454da770d1529a87b2b810

    • SHA512

      c8a5574fa79e029781eab19860e4be2abf28c56bfeb7a4fb54b0bc6c18f10cb4319ee2a331cf53bb7a71fc31318457cda68311bb540341890a93dc6b237b6bf4

    • 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

    • Suspicious use of SetThreadContext

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