Overview

overview

10

Static

static

3

537f1b798c...0N.exe

windows7-x64

10

537f1b798c...0N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    537f1b798c42ba8c746a25168d7949d5d6310ea8656e76f66d7ae3221e8e0800N.exe

  • Size

    72KB

  • Sample

    241207-xpngsatncr

  • MD5

    cb57d21914c9411970a3f8cd444434d0

  • SHA1

    ada67d3b8593dbad521bee60322337e1522fc848

  • SHA256

    537f1b798c42ba8c746a25168d7949d5d6310ea8656e76f66d7ae3221e8e0800

  • SHA512

    8dfba9d90a1b790486556b057239664b428e54b1f15a21479026d1591797f945bb63fa198ee719229eaf16473ba29820e3a66113ae04f3ca75945f1c2089f273

  • SSDEEP

    1536:1BO/R5TGXcFK5JumK6vLNbM4ESOQY8aVFDR/6KT/eb+b:1k5taJ5HdvLNbjLY/VBRC8eb+b

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

      537f1b798c42ba8c746a25168d7949d5d6310ea8656e76f66d7ae3221e8e0800N.exe

    • Size

      72KB

    • MD5

      cb57d21914c9411970a3f8cd444434d0

    • SHA1

      ada67d3b8593dbad521bee60322337e1522fc848

    • SHA256

      537f1b798c42ba8c746a25168d7949d5d6310ea8656e76f66d7ae3221e8e0800

    • SHA512

      8dfba9d90a1b790486556b057239664b428e54b1f15a21479026d1591797f945bb63fa198ee719229eaf16473ba29820e3a66113ae04f3ca75945f1c2089f273

    • SSDEEP

      1536:1BO/R5TGXcFK5JumK6vLNbM4ESOQY8aVFDR/6KT/eb+b:1k5taJ5HdvLNbjLY/VBRC8eb+b

    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