General

  • Target

    TT COPY.exe

  • Size

    540KB

  • Sample

    201109-dh44d2n74n

  • MD5

    8cb73260e8cc3d0f51da164e2f30f9db

  • SHA1

    956cdf7991eff9c64e6d2b9148bec190f347f908

  • SHA256

    89080cc94eae4cab0a8d50729214296a16767368c12a4f679baab998fad152fc

  • SHA512

    fb173cf6d551e2e223010cf2180bdaa289ee1f531c64345663caed9496ee59f9edaf6fb18028516f37b805e0b57522b63ab858578705431a891dfbc8ea92a2e9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.microtechlab.in
  • Port:
    587
  • Username:
    reports@microtechlab.in
  • Password:
    pune@123

Targets

    • Target

      TT COPY.exe

    • Size

      540KB

    • MD5

      8cb73260e8cc3d0f51da164e2f30f9db

    • SHA1

      956cdf7991eff9c64e6d2b9148bec190f347f908

    • SHA256

      89080cc94eae4cab0a8d50729214296a16767368c12a4f679baab998fad152fc

    • SHA512

      fb173cf6d551e2e223010cf2180bdaa289ee1f531c64345663caed9496ee59f9edaf6fb18028516f37b805e0b57522b63ab858578705431a891dfbc8ea92a2e9

    • AgentTesla

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

    • CoreEntity .NET Packer

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

    • AgentTesla Payload

    • rezer0

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Tasks