Overview

overview

10

Static

static

10

457f7789cf...93.exe

windows7-x64

10

457f7789cf...93.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    457f7789cf0e4a05e79672d875ef6dbb6e9587556d9d7764495a1b33e34ac893

  • Size

    313KB

  • Sample

    250307-fhkzmsvnx3

  • MD5

    77ddfeb3acee145399b910c4728370f2

  • SHA1

    e8d248425f6ec36cfba61123b8c158280a51a9b7

  • SHA256

    457f7789cf0e4a05e79672d875ef6dbb6e9587556d9d7764495a1b33e34ac893

  • SHA512

    2efb37ffd2cfe40a0123bec7ac5fd3551d98795adba800b457fac159455bd873e68bc3bdd970980e9c1a2a2f07d63903015e7b74ed2d750270d5a2b5fc83a5b1

  • SSDEEP

    6144:5wYCClwDgcUmKyIxLDXXoq9FJZCUmKyIxLX:6YCClC32XXf9Do3+

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

      457f7789cf0e4a05e79672d875ef6dbb6e9587556d9d7764495a1b33e34ac893

    • Size

      313KB

    • MD5

      77ddfeb3acee145399b910c4728370f2

    • SHA1

      e8d248425f6ec36cfba61123b8c158280a51a9b7

    • SHA256

      457f7789cf0e4a05e79672d875ef6dbb6e9587556d9d7764495a1b33e34ac893

    • SHA512

      2efb37ffd2cfe40a0123bec7ac5fd3551d98795adba800b457fac159455bd873e68bc3bdd970980e9c1a2a2f07d63903015e7b74ed2d750270d5a2b5fc83a5b1

    • SSDEEP

      6144:5wYCClwDgcUmKyIxLDXXoq9FJZCUmKyIxLX:6YCClC32XXf9Do3+

    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