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Overview

overview

10

Static

static

3

bbaf638c2d...0N.exe

windows7-x64

10

bbaf638c2d...0N.exe

windows10-2004-x64

10

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General

  • Target

    bbaf638c2dd062f271d088a20d1bba2b61c2ce320ea8ecc2bac06cdfe82b6320N

  • Size

    96KB

  • Sample

    241012-t49f1szere

  • MD5

    fb38f12051e32a1a6cef53a511491030

  • SHA1

    c473d1629624f96756adc56977e1bf91e0e43925

  • SHA256

    bbaf638c2dd062f271d088a20d1bba2b61c2ce320ea8ecc2bac06cdfe82b6320

  • SHA512

    41295b984aa23cd3d8f15296f8016a9818bb5b393e4c3fbdbbcafb744d722804ac68c015c0074b4f5bec04e5c03b587e689d3c3887e7344da455ee57628c6231

  • SSDEEP

    1536:ia7AtYOwOxhMsJeHQMD5x83puEL1RiBHm70x2tS674S7V+5pUMv84WMRw8Dkqq:d7AtYOwGMW1McpuEPOiB4Sp+7H7wWkqq

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

      bbaf638c2dd062f271d088a20d1bba2b61c2ce320ea8ecc2bac06cdfe82b6320N

    • Size

      96KB

    • MD5

      fb38f12051e32a1a6cef53a511491030

    • SHA1

      c473d1629624f96756adc56977e1bf91e0e43925

    • SHA256

      bbaf638c2dd062f271d088a20d1bba2b61c2ce320ea8ecc2bac06cdfe82b6320

    • SHA512

      41295b984aa23cd3d8f15296f8016a9818bb5b393e4c3fbdbbcafb744d722804ac68c015c0074b4f5bec04e5c03b587e689d3c3887e7344da455ee57628c6231

    • SSDEEP

      1536:ia7AtYOwOxhMsJeHQMD5x83puEL1RiBHm70x2tS674S7V+5pUMv84WMRw8Dkqq:d7AtYOwGMW1McpuEPOiB4Sp+7H7wWkqq

    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