Windows 7 deprecation

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General

  • Target

    535a002200ccecf700f65f54aa8dd1b139a99f0dc42a5b26c2f7a91e3b4288bbN

  • Size

    96KB

  • Sample

    241010-k2jcdaseqe

  • MD5

    d6f39120af8c15b29a612ed8471c4300

  • SHA1

    e222b803484f4d5d56df8c9712386211315df506

  • SHA256

    535a002200ccecf700f65f54aa8dd1b139a99f0dc42a5b26c2f7a91e3b4288bb

  • SHA512

    593fa3ed12584cfdc73faac4033ee4942231481a224a98c535b9092817b47194953c17316c284a4bc88f17f4adc7d45b2bb7e47396a78f2256c14fe5aa3d353f

  • SSDEEP

    3072:83DH5FQ3PxD0WdQRktiQTTEQfZEiHjnd69jc0v:8z8BjtiQTAQfZEMnd6NV

Malware Config

Extracted

Family

berbew

C2

http://f/wcmd.htm

http://f/ppslog.php

http://f/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      535a002200ccecf700f65f54aa8dd1b139a99f0dc42a5b26c2f7a91e3b4288bbN

    • Size

      96KB

    • MD5

      d6f39120af8c15b29a612ed8471c4300

    • SHA1

      e222b803484f4d5d56df8c9712386211315df506

    • SHA256

      535a002200ccecf700f65f54aa8dd1b139a99f0dc42a5b26c2f7a91e3b4288bb

    • SHA512

      593fa3ed12584cfdc73faac4033ee4942231481a224a98c535b9092817b47194953c17316c284a4bc88f17f4adc7d45b2bb7e47396a78f2256c14fe5aa3d353f

    • SSDEEP

      3072:83DH5FQ3PxD0WdQRktiQTTEQfZEiHjnd69jc0v:8z8BjtiQTAQfZEMnd6NV

    • Adds autorun key to be loaded by Explorer.exe on startup

    • Berbew

      Berbew is a backdoor written in C++.

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks