General

  • Target

    b8493704bd4bfba80e23b626fa5a64846ddb2f6b3072d330826bb3c7072247ae

  • Size

    808KB

  • Sample

    220521-cpxegahcgn

  • MD5

    503c6ce70433d9fe1668f388c39c07b8

  • SHA1

    8b68667673c75f20ee525454fb32ae2defead242

  • SHA256

    b8493704bd4bfba80e23b626fa5a64846ddb2f6b3072d330826bb3c7072247ae

  • SHA512

    995a9a609f9be56019731be970c446e6762f2b38607d2ccb01ab889064cf3b77268ac46ac6a5af026cea948f4a37042e5cb56f5d1d70da357ed8add80eba9985

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    gnaeask@2015

Targets

    • Target

      MA20-002423 WinterTrade Zrt Szeged Hungary.exe

    • Size

      995KB

    • MD5

      821b0e70a2b51999a55f15a38e6d8ca4

    • SHA1

      698488b54881ced2cebea6d0c8b57060bd232ab4

    • SHA256

      d17e7aae62fd256c264b2602f913c5b918501a1416abb5c58a4f14bcafa2b0d6

    • SHA512

      a2d9664daa16d67b4c62ec77d116037da9f93fa302e60a39836bf27da0d1beee2ebde30b6e4e6f36341e6573fe41caab0babe2e55a9b0565e5c20334244cbbfd

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

    • MassLogger

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

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • 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 user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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 Enterprise v6

Tasks