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Overview

overview

10

Static

static

3

e5cf8b2f0a...e4.exe

windows7-x64

10

e5cf8b2f0a...e4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e5cf8b2f0a5a4b1caca315a2126ffb7b4aa9018054082981a20d9f464c5248e4

  • Size

    95KB

  • Sample

    250305-n2dcxaxxby

  • MD5

    ad5e0f0506f264aa209c16df979ef4b9

  • SHA1

    24153604f025f7897170219faf6d01c82da3b1c6

  • SHA256

    e5cf8b2f0a5a4b1caca315a2126ffb7b4aa9018054082981a20d9f464c5248e4

  • SHA512

    6470280c59717b9a11880c232c3cf3c59322522903aa900796d2712ab646cef38bbde1996ef7494c8689305119ea6b68748a3e865d6571e6adae8fa70c12cd4d

  • SSDEEP

    1536:FSqeZ3ZFKJgnK88Yg2trv7N0jldQkFmMJOM6bOLXi8PmCofGV:FSH33SgnK8892pvCjQkLJDrLXfzoeV

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

      e5cf8b2f0a5a4b1caca315a2126ffb7b4aa9018054082981a20d9f464c5248e4

    • Size

      95KB

    • MD5

      ad5e0f0506f264aa209c16df979ef4b9

    • SHA1

      24153604f025f7897170219faf6d01c82da3b1c6

    • SHA256

      e5cf8b2f0a5a4b1caca315a2126ffb7b4aa9018054082981a20d9f464c5248e4

    • SHA512

      6470280c59717b9a11880c232c3cf3c59322522903aa900796d2712ab646cef38bbde1996ef7494c8689305119ea6b68748a3e865d6571e6adae8fa70c12cd4d

    • SSDEEP

      1536:FSqeZ3ZFKJgnK88Yg2trv7N0jldQkFmMJOM6bOLXi8PmCofGV:FSH33SgnK8892pvCjQkLJDrLXfzoeV

    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