Windows 7 deprecation

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General

  • Target

    5e7feab9d478e6c0fce72b01324e22192b909ed4247ff31524036ddeccdce488

  • Size

    340KB

  • Sample

    240929-1s7xdascjl

  • MD5

    f5f7c9fa787b23b2f010e93015dfeaa5

  • SHA1

    8aa25a8940b33bab1a630fad9f1e55fe221f240c

  • SHA256

    5e7feab9d478e6c0fce72b01324e22192b909ed4247ff31524036ddeccdce488

  • SHA512

    ff746ec6e33f50320f36144717408bcaa6283336873e68616a0b808e361c603ef15a2e49d71faa16728cb4f34aed71bed3e4c992620f9ef5c410accf1493f273

  • SSDEEP

    6144:JeRoVTqjYdAROULBhbh3/fc/UmKyIxLDXXoq9FJZCUmKyIxLjh:Je6VTqjYdAROULBhk32XXf9Do3i

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

      5e7feab9d478e6c0fce72b01324e22192b909ed4247ff31524036ddeccdce488

    • Size

      340KB

    • MD5

      f5f7c9fa787b23b2f010e93015dfeaa5

    • SHA1

      8aa25a8940b33bab1a630fad9f1e55fe221f240c

    • SHA256

      5e7feab9d478e6c0fce72b01324e22192b909ed4247ff31524036ddeccdce488

    • SHA512

      ff746ec6e33f50320f36144717408bcaa6283336873e68616a0b808e361c603ef15a2e49d71faa16728cb4f34aed71bed3e4c992620f9ef5c410accf1493f273

    • SSDEEP

      6144:JeRoVTqjYdAROULBhbh3/fc/UmKyIxLDXXoq9FJZCUmKyIxLjh:Je6VTqjYdAROULBhk32XXf9Do3i

    • 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