Overview

overview

10

Static

static

10

89d0cc73b4...3a.exe

windows7-x64

10

89d0cc73b4...3a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    89d0cc73b4dfa1ddb2cfbf5c975759dcd07b7ea4a2d6503709913d06b473333a

  • Size

    320KB

  • Sample

    241209-a4ag5swrbt

  • MD5

    9ab40a4ff9a540b3738c60e288c72612

  • SHA1

    5bb28bc8429851ae25941db95ffa16d38e00c299

  • SHA256

    89d0cc73b4dfa1ddb2cfbf5c975759dcd07b7ea4a2d6503709913d06b473333a

  • SHA512

    6222e3973bd937a1ad6504338573e7573b8e04fc4ec603519081fc199b5e8eacd4e68d5851d67ad1760d23f077d9ba42db30375ec03ba4f2124ec89894c8c267

  • SSDEEP

    6144:xt+hIFsn3/fc/UmKyIxLDXXoq9FJZCUmKyIxLq:bF32XXf9Do3R

Score
10/10
berbewbackdoordiscoverypersistence

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

      89d0cc73b4dfa1ddb2cfbf5c975759dcd07b7ea4a2d6503709913d06b473333a

    • Size

      320KB

    • MD5

      9ab40a4ff9a540b3738c60e288c72612

    • SHA1

      5bb28bc8429851ae25941db95ffa16d38e00c299

    • SHA256

      89d0cc73b4dfa1ddb2cfbf5c975759dcd07b7ea4a2d6503709913d06b473333a

    • SHA512

      6222e3973bd937a1ad6504338573e7573b8e04fc4ec603519081fc199b5e8eacd4e68d5851d67ad1760d23f077d9ba42db30375ec03ba4f2124ec89894c8c267

    • SSDEEP

      6144:xt+hIFsn3/fc/UmKyIxLDXXoq9FJZCUmKyIxLq:bF32XXf9Do3R

    Score
    10/10
    berbewbackdoordiscoverypersistence

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

      persistence

    • Berbew

      Berbew is a backdoor written in C++.

      backdoorberbew

    • Berbew family

      berbew

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks