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Overview

overview

10

Static

static

3

1d8f62ce99...9N.exe

windows7-x64

10

1d8f62ce99...9N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1d8f62ce993ddd9c561d411c6dce7abe8a009e448163dc49da41e6cc112d4dd9N

  • Size

    320KB

  • Sample

    240927-c4feha1djm

  • MD5

    a6d2875391e0130926459bf900f79ea0

  • SHA1

    44215b3ed647e3c4c5260ac853b9361dd9d60516

  • SHA256

    1d8f62ce993ddd9c561d411c6dce7abe8a009e448163dc49da41e6cc112d4dd9

  • SHA512

    28f799aa58a7075d54549f42fc9c77cf645267033d310eef217abc5c271a625499dc4969dd826d05b51561070acc9a62cfbf4a9737519a3db83048ecba62e5da

  • SSDEEP

    6144:k9Rcm39DEQO+zrWnAdqjeOpKfduBX2QO+zrWnAdqjsqwp:qcL/+zrWAI5KFum/+zrWAIAqe

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

      1d8f62ce993ddd9c561d411c6dce7abe8a009e448163dc49da41e6cc112d4dd9N

    • Size

      320KB

    • MD5

      a6d2875391e0130926459bf900f79ea0

    • SHA1

      44215b3ed647e3c4c5260ac853b9361dd9d60516

    • SHA256

      1d8f62ce993ddd9c561d411c6dce7abe8a009e448163dc49da41e6cc112d4dd9

    • SHA512

      28f799aa58a7075d54549f42fc9c77cf645267033d310eef217abc5c271a625499dc4969dd826d05b51561070acc9a62cfbf4a9737519a3db83048ecba62e5da

    • SSDEEP

      6144:k9Rcm39DEQO+zrWnAdqjeOpKfduBX2QO+zrWnAdqjsqwp:qcL/+zrWAI5KFum/+zrWAIAqe

    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