Overview

overview

10

Static

static

3

ab3dd8ff7f...4f.exe

windows7-x64

10

ab3dd8ff7f...4f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ab3dd8ff7f7582493fe95fc92ee97ba662d5edf3f35524addb838ab6f0b4144f

  • Size

    340KB

  • Sample

    241014-cn36mawcle

  • MD5

    dca83dbb9a463c995bcf997ab7b88f01

  • SHA1

    53320a64b0a5d43984b1a9d1569bc8917256545f

  • SHA256

    ab3dd8ff7f7582493fe95fc92ee97ba662d5edf3f35524addb838ab6f0b4144f

  • SHA512

    96cac046a019fd6746c06b1c2ecee534f88eeca3d642cede80974d829275118f8e5ee8dd3ca36a2a51b73366b5e1e28ec89cbbc0541c8496acf8f2c68d93bbce

  • SSDEEP

    6144:KnjEZ2VcW3/fc/UmKyIxLDXXoq9FJZCUmKyIxLjh:uhVC32XXf9Do3i

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

      ab3dd8ff7f7582493fe95fc92ee97ba662d5edf3f35524addb838ab6f0b4144f

    • Size

      340KB

    • MD5

      dca83dbb9a463c995bcf997ab7b88f01

    • SHA1

      53320a64b0a5d43984b1a9d1569bc8917256545f

    • SHA256

      ab3dd8ff7f7582493fe95fc92ee97ba662d5edf3f35524addb838ab6f0b4144f

    • SHA512

      96cac046a019fd6746c06b1c2ecee534f88eeca3d642cede80974d829275118f8e5ee8dd3ca36a2a51b73366b5e1e28ec89cbbc0541c8496acf8f2c68d93bbce

    • SSDEEP

      6144:KnjEZ2VcW3/fc/UmKyIxLDXXoq9FJZCUmKyIxLjh:uhVC32XXf9Do3i

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks