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General

  • Target

    Banque BEA_Copie de Paiement_txt.lnk.lnk

  • Size

    2KB

  • Sample

    240220-hxnp7adg87

  • MD5

    32d11ce69ae0bae7375a6a9fcdf65238

  • SHA1

    d7ee753812e1b9180d7df3df34df08f13c97ac7a

  • SHA256

    8420bf1711e75f17cb07a83a66e038f9635968eeaa17c3540c966347bb1d373c

  • SHA512

    3e4c138fdb052ea6a1bd313f0330ce7a0f7b4abff4eccbc612aaccf639ef5fa50491987e8e22817e028c465762547cd253cc1f0d32944f106b0f06ab703cc2a3

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://remisat.com.uy/bim/office.bat

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6788300365:AAHk2GTWUvl7PlvMxXk2M1D_7e1yYgg26zE/

Targets

    • Target

      Banque BEA_Copie de Paiement_txt.lnk.lnk

    • Size

      2KB

    • MD5

      32d11ce69ae0bae7375a6a9fcdf65238

    • SHA1

      d7ee753812e1b9180d7df3df34df08f13c97ac7a

    • SHA256

      8420bf1711e75f17cb07a83a66e038f9635968eeaa17c3540c966347bb1d373c

    • SHA512

      3e4c138fdb052ea6a1bd313f0330ce7a0f7b4abff4eccbc612aaccf639ef5fa50491987e8e22817e028c465762547cd253cc1f0d32944f106b0f06ab703cc2a3

    • AgentTesla

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

    • Detect ZGRat V1

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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.

    • Adds Run key to start application

    • 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 v15

Tasks