General

  • Target

    UpdaterTag.dll

  • Size

    72KB

  • Sample

    250209-b6wzla1mct

  • MD5

    baff48ded319cdc1eb2372e16c833260

  • SHA1

    6ffbbee909e8225337a61da43f18d48bd403b32d

  • SHA256

    16bf1c6d22074a7532c158c0f8ffd7f1e1c36deab934ea5abad5c0d2cea11a62

  • SHA512

    ce560c27b4403ba9e9b14a7398e469e6fc42f79b70586266ae2d2b2210a9f81ea88e92a6f50b077e8480bc5fa9117d64acf1a6b3b3530807bd1534e5aac2cce6

  • SSDEEP

    768:Tz7vRTYS4Oi5ONdWJ7HRCRuVnxsaQu7SDqRefml4I4QDqauXj57CHf8IdAtY5h82:Tzh7eO6hHRCSsBfml4I6z5If8I6oVTt

Malware Config

Extracted

Family

latrodectus

Version

1.4

C2

https://apworsindos.com/test/

https://reminasolirol.com/test/

Attributes
  • group

    Mimikast

  • user_agent

    Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Tob 1.1)

aes.hex

Targets

    • Target

      UpdaterTag.dll

    • Size

      72KB

    • MD5

      baff48ded319cdc1eb2372e16c833260

    • SHA1

      6ffbbee909e8225337a61da43f18d48bd403b32d

    • SHA256

      16bf1c6d22074a7532c158c0f8ffd7f1e1c36deab934ea5abad5c0d2cea11a62

    • SHA512

      ce560c27b4403ba9e9b14a7398e469e6fc42f79b70586266ae2d2b2210a9f81ea88e92a6f50b077e8480bc5fa9117d64acf1a6b3b3530807bd1534e5aac2cce6

    • SSDEEP

      768:Tz7vRTYS4Oi5ONdWJ7HRCRuVnxsaQu7SDqRefml4I4QDqauXj57CHf8IdAtY5h82:Tzh7eO6hHRCSsBfml4I6z5If8I6oVTt

    • Detects Latrodectus

      Detects Latrodectus v1.4.

    • Latrodectus family

    • Latrodectus loader

      Latrodectus is a loader written in C++.

    • Blocklisted process makes network request

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Deletes itself

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks