General

  • Target

    ebe07312b9bea5733cf5e1dc3259e803364d9646cc0d02c2c6b97b60e69aa7af

  • Size

    490KB

  • Sample

    220521-n5by9ahgem

  • MD5

    537d32d9d423cab82a8ef3cd97dde372

  • SHA1

    88ce596aef45a4dc12834abfedf989775d0e7bf4

  • SHA256

    ebe07312b9bea5733cf5e1dc3259e803364d9646cc0d02c2c6b97b60e69aa7af

  • SHA512

    6ff7dedba0a12e6fa63ed42291ceedc26a62f4c251f1fb6ee2c9cde0040050614150c18ab6ac0b79801a7854709be66027b4893254ac0568eca17dfb58ffae81

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.tde.ro/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    playboy123

  • Protocol:
    ftp
  • Host:
    ftp://ftp.tde.ro/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    playboy123

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.tde.ro
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    playboy123

Targets

    • Target

      paalala 06-10-2020.exe

    • Size

      549KB

    • MD5

      378d98fa8a84c02a913c9015487400cc

    • SHA1

      d564b54a48c63e9852e3125a8a4ac5146f660607

    • SHA256

      c294055fc17f972d5bd6ca0dce65c44b4233b4fdce6b06d61fac422fc3882f1b

    • SHA512

      408d12c48b412fab3fe880c1c3dbba368fe0f888ff6710458fa7e0f62e80feda58515c8a1c49d9b714913461725165297e3680c7d21be3ea369f0e14a0baa0dd

    • 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