General

  • Target

    4a991fa33f29606bb570b16d94a973f3f1185c9588c2aa3a2957069c6faacb7e

  • Size

    301KB

  • Sample

    220521-n8pdraaabm

  • MD5

    66b708101eba610a3ba93181d9d5699f

  • SHA1

    ae2e8e61b33d1064ddd6c302460032f897ed4a3a

  • SHA256

    4a991fa33f29606bb570b16d94a973f3f1185c9588c2aa3a2957069c6faacb7e

  • SHA512

    bc5d34c2c399f2ac118a1d1209b3220d87ae825db31f8d44447e661a41fa3fef92e906750f4822e1400fbbfcb68de0ec25fcdd2a924311221c836ca4a91645cc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.bnb-spa.com
  • Port:
    587
  • Username:
    inform@bnb-spa.com
  • Password:
    }iPxp@l#21aE

Targets

    • Target

      Order No. 48000073625================================.exe

    • Size

      344KB

    • MD5

      28ff3fbc57e6b96adeb90b7fc48eb5e8

    • SHA1

      5cad4008370c910957e30afd8b2ac021963e5612

    • SHA256

      0a2b50c51276d02866449d9efc41787d3b4a207675c75986ae3a790c1bd8c490

    • SHA512

      9038139d3dcce3001ba2955958a236ce06a1b69fb4388f8ea98b1ded5f65c4daae47d039e27d0504fc3e90be0aa981b25748edada0f8a5147a97a476fc3ba284

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

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