General

  • Target

    Remittance Copy 101.exe

  • Size

    1.1MB

  • Sample

    231013-qaxnkshh6v

  • MD5

    afa11589139cc3af4a7387aea75eb857

  • SHA1

    c79d8be86a5062c75d532c0ce93f2e8174a3831d

  • SHA256

    d35dce5a33e43611c39ea134ece8746a4192f1bfd8c1577d7ebd77c0ebd66120

  • SHA512

    8841af140306dbab500d2f34332fabc6b6c464bafd014dca8c9c93b92cfcddbfff25c9677d47e23060be75c2e7e1ef12a38ebd2d2f7a19b307aac2bb8165736c

  • SSDEEP

    12288:hFu1U9go+prxvTK09LYAkrL1zrG2Gj6DJxRpKc8FbUJ4YVLyi:Hu1UW1IhzRGjK7Rpz8FbUJ4YA

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cbinet.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    G@hungu2020

Targets

    • Target

      Remittance Copy 101.exe

    • Size

      1.1MB

    • MD5

      afa11589139cc3af4a7387aea75eb857

    • SHA1

      c79d8be86a5062c75d532c0ce93f2e8174a3831d

    • SHA256

      d35dce5a33e43611c39ea134ece8746a4192f1bfd8c1577d7ebd77c0ebd66120

    • SHA512

      8841af140306dbab500d2f34332fabc6b6c464bafd014dca8c9c93b92cfcddbfff25c9677d47e23060be75c2e7e1ef12a38ebd2d2f7a19b307aac2bb8165736c

    • SSDEEP

      12288:hFu1U9go+prxvTK09LYAkrL1zrG2Gj6DJxRpKc8FbUJ4YVLyi:Hu1UW1IhzRGjK7Rpz8FbUJ4YA

    • AgentTesla

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

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks