General

  • Target

    vessel details.exe

  • Size

    789KB

  • Sample

    201203-nz574bwr26

  • MD5

    5d6a6b01f67747c89c39dbb8b518b506

  • SHA1

    c2e75814f6f08d5edee2b3776131ddb1cb42d78b

  • SHA256

    72072c06a5fe2aa1ebf6d2d0b8882c1e11565bed693b2cff1be63a228b26886b

  • SHA512

    e799e688ce7c0596bdaaac81eac31c061acef226e37a784d0604bf2a0dd421b90b8962668bdd564bd35fa7f7cb5105d155efc7d342f3ecd1579db9ca724b3335

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    maaig.com
  • Port:
    21
  • Username:
    info@maaig.com
  • Password:
    E#T~&wyRgLDa

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.vitracer.com
  • Port:
    587
  • Username:
    sales@vitracer.com
  • Password:
    vm85932754

Targets

    • Target

      vessel details.exe

    • Size

      789KB

    • MD5

      5d6a6b01f67747c89c39dbb8b518b506

    • SHA1

      c2e75814f6f08d5edee2b3776131ddb1cb42d78b

    • SHA256

      72072c06a5fe2aa1ebf6d2d0b8882c1e11565bed693b2cff1be63a228b26886b

    • SHA512

      e799e688ce7c0596bdaaac81eac31c061acef226e37a784d0604bf2a0dd421b90b8962668bdd564bd35fa7f7cb5105d155efc7d342f3ecd1579db9ca724b3335

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • MassLogger Main Payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks