General

  • Target

    37096691.exe

  • Size

    1.2MB

  • Sample

    221123-tehl1adg94

  • MD5

    f534050fa4d9012dd54e13ce691d662e

  • SHA1

    916a083d0045e365d889164e59c039d526c44684

  • SHA256

    37096691833e6bd3112ec4ad96df261c532c32f50adef7797bb9489f9a3aea97

  • SHA512

    bb7323176acd486fd526560522a65255819bd59ac44e17d3076fcb06be2891c7accbcc8e827445db72914ee041b5880308174ab5d8de46c5a7d591ab05841141

  • SSDEEP

    24576:e+YAumA1be5ysgG12LltOOr3C1zC+GGOG4emawVl9Rg:D/eG273H+GS4XawVry

Malware Config

Targets

    • Target

      37096691.exe

    • Size

      1.2MB

    • MD5

      f534050fa4d9012dd54e13ce691d662e

    • SHA1

      916a083d0045e365d889164e59c039d526c44684

    • SHA256

      37096691833e6bd3112ec4ad96df261c532c32f50adef7797bb9489f9a3aea97

    • SHA512

      bb7323176acd486fd526560522a65255819bd59ac44e17d3076fcb06be2891c7accbcc8e827445db72914ee041b5880308174ab5d8de46c5a7d591ab05841141

    • SSDEEP

      24576:e+YAumA1be5ysgG12LltOOr3C1zC+GGOG4emawVl9Rg:D/eG273H+GS4XawVry

    • AgentTesla

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks