General

  • Target

    937fedf65e13f1fd7248f6883d4f4715ce30ac0eeed2a39b4544e83628be8734

  • Size

    760KB

  • Sample

    241208-bfy19syrgm

  • MD5

    a576c98f887da61aec2a8d3748e1d6bb

  • SHA1

    3390611777d7ee0a22e8db126fc7b324f7979f99

  • SHA256

    937fedf65e13f1fd7248f6883d4f4715ce30ac0eeed2a39b4544e83628be8734

  • SHA512

    4a2b6e62db688603558376770d90dd2005a97b2095d9f09aba7c492592fc2fdeba100f01636891b9c832f87e16196c7845ddd93d1233d09c4518923fc1f9f39c

  • SSDEEP

    12288:oey93cOK3NPh2kkkkK4kXkkkkkkkkl888888888888888888nusMH0QiRLsq:AyNPh2kkkkK4kXkkkkkkkkhLx

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

      937fedf65e13f1fd7248f6883d4f4715ce30ac0eeed2a39b4544e83628be8734

    • Size

      760KB

    • MD5

      a576c98f887da61aec2a8d3748e1d6bb

    • SHA1

      3390611777d7ee0a22e8db126fc7b324f7979f99

    • SHA256

      937fedf65e13f1fd7248f6883d4f4715ce30ac0eeed2a39b4544e83628be8734

    • SHA512

      4a2b6e62db688603558376770d90dd2005a97b2095d9f09aba7c492592fc2fdeba100f01636891b9c832f87e16196c7845ddd93d1233d09c4518923fc1f9f39c

    • SSDEEP

      12288:oey93cOK3NPh2kkkkK4kXkkkkkkkkl888888888888888888nusMH0QiRLsq:AyNPh2kkkkK4kXkkkkkkkkhLx

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

    • Berbew

      Berbew is a backdoor written in C++.

    • Berbew family

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks