General

  • Target

    UAB VISI ATSAKYMAI30000290161120220112162613..js

  • Size

    45KB

  • Sample

    221124-lrmgqaeg24

  • MD5

    2b4fd5e86969e9a8b56ce60175c15866

  • SHA1

    0e6890d6be1462aa5576a00ddaac640214e70256

  • SHA256

    0075ad3afcd0768928f57844818f6c0765d84d358415075f047346ec119242b0

  • SHA512

    7769908e20121e3e50fea394c16497a99ceae2313af6e7c8bd9952bd8ea8bf0a71aba1fbd47f1462281c91b0db7aa21896413660069b8e413ea8cd65f925f4db

  • SSDEEP

    768:NZLlAbEuwYu+sN8Ra/4Rm9yLudr3i+ngm6rEZC0Sao4:C4uoNcawo9sUr3i+ngyC0Saj

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5655543251:AAF6zs8TWZ5wmyQhXrUZEpQjh6VaOy-aYoQ/

Extracted

Family

wshrat

C2

http://snkcyp.duckdns.org:3369

Targets

    • Target

      UAB VISI ATSAKYMAI30000290161120220112162613..js

    • Size

      45KB

    • MD5

      2b4fd5e86969e9a8b56ce60175c15866

    • SHA1

      0e6890d6be1462aa5576a00ddaac640214e70256

    • SHA256

      0075ad3afcd0768928f57844818f6c0765d84d358415075f047346ec119242b0

    • SHA512

      7769908e20121e3e50fea394c16497a99ceae2313af6e7c8bd9952bd8ea8bf0a71aba1fbd47f1462281c91b0db7aa21896413660069b8e413ea8cd65f925f4db

    • SSDEEP

      768:NZLlAbEuwYu+sN8Ra/4Rm9yLudr3i+ngm6rEZC0Sao4:C4uoNcawo9sUr3i+ngyC0Saj

    • AgentTesla

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

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • 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

    • 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