General

  • Target

    cb7387d84e6db1c5de08121186ad00fdbebf1049f73b7d68291b7a35e292d7b3

  • Size

    507KB

  • Sample

    220520-3s9gbacdbp

  • MD5

    3d9ef5d2a79ebe28ae3dc338cebcdc38

  • SHA1

    6c75715a634baf5eecc2ac231c5727d7c90e06b6

  • SHA256

    cb7387d84e6db1c5de08121186ad00fdbebf1049f73b7d68291b7a35e292d7b3

  • SHA512

    d314d396dc3b155c4d57c52fe2fe02369a5119568e9274f91c354a874477a8b72bf6f9c8278c6e6b943b82932df4c55a90b1c29eeee2425155bbc48b4d28aa3a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.rezuit.pro
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chukwuma22

Targets

    • Target

      ACCOUNT STATEMENT.exe

    • Size

      712KB

    • MD5

      802e11ba8b155d600196ffc9cfbf7d58

    • SHA1

      6329c89789454d4c1f51f227955149119c977845

    • SHA256

      f9d32207409b6be5fa86e42a53744d33e46aa270b9d00983c75a94399c4f1e17

    • SHA512

      3d286d38c858288afd8b4a57497732126000a7779c339bbd748c666a66292a035d1021b75c14ab73dd03ab8ffe920353542ccc9cf952dab21236d41f270ddf69

    • AgentTesla

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

    • AgentTesla Payload

    • 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