General

  • Target

    fded78379ff7f374d578df5d4c45f67da108ab959b85b4ce206092c86d8ac2a8

  • Size

    388KB

  • Sample

    220521-b7x82sdda6

  • MD5

    f0ec1494791bb61e2e8462bf18d1403d

  • SHA1

    b9d9eed3ec4daac30bfaad0546971fa88fe95633

  • SHA256

    fded78379ff7f374d578df5d4c45f67da108ab959b85b4ce206092c86d8ac2a8

  • SHA512

    b41912c951c53f3fc27a6f05905ad0faa8d11c2e47003ce7f56b8db664daa0a0b84a2f27c30674a68b04254d6c4c3657ed4582752817451a75821610bacfc327

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.hotel71.com.bd
  • Port:
    587
  • Username:
    chat@hotel71.com.bd
  • Password:
    9+^va&phP1v9

Targets

    • Target

      TT- Swift Copy.pdf..exe

    • Size

      446KB

    • MD5

      6bdd9c15243bd5b8709b87b7ba10b3a9

    • SHA1

      780f690b92f29296254f00b9f1958c2359991ad2

    • SHA256

      2580575e95648d76aed0be387fbe6423ef72639b8aaa9e1ad84ebc5b74bcf7b5

    • SHA512

      46a0f1f8a1c6d6cfbea8c287cd9f06fb44e987f8c452a2e5f99da852d871de1552a25eb7d79c794c817e16c7917d3e39383046173699c1fcc07f53dec0ec5cdd

    • 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 packer

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

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Collection

Email Collection

1
T1114

Tasks