Overview

overview

10

Static

static

3

5240c4c4e3...8N.exe

windows7-x64

10

5240c4c4e3...8N.exe

windows10-2004-x64

10

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General

  • Target

    5240c4c4e3fa69784bff1e8bf2c93311ec40a377bd4e41a25524291a038e2408N.exe

  • Size

    464KB

  • Sample

    241208-bxtg4svmet

  • MD5

    efca413fb03c8e501a43869ce954ffa0

  • SHA1

    0e211deaf850c1b6ac6c2d98acc47a69c6ab3f8e

  • SHA256

    5240c4c4e3fa69784bff1e8bf2c93311ec40a377bd4e41a25524291a038e2408

  • SHA512

    7e8a240fd0363fd53485b404d434e4edf5f679fa9a03eb871aa8957279755de8b3a84e2a4ec56958087de89d7a568fcb4213f4d92a719abea2075d6ddcfccc09

  • SSDEEP

    12288:cah2kkkkK4kXkkkkkkkkl888888888888888888nusG:cah2kkkkK4kXkkkkkkkkK

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

      5240c4c4e3fa69784bff1e8bf2c93311ec40a377bd4e41a25524291a038e2408N.exe

    • Size

      464KB

    • MD5

      efca413fb03c8e501a43869ce954ffa0

    • SHA1

      0e211deaf850c1b6ac6c2d98acc47a69c6ab3f8e

    • SHA256

      5240c4c4e3fa69784bff1e8bf2c93311ec40a377bd4e41a25524291a038e2408

    • SHA512

      7e8a240fd0363fd53485b404d434e4edf5f679fa9a03eb871aa8957279755de8b3a84e2a4ec56958087de89d7a568fcb4213f4d92a719abea2075d6ddcfccc09

    • SSDEEP

      12288:cah2kkkkK4kXkkkkkkkkl888888888888888888nusG:cah2kkkkK4kXkkkkkkkkK

    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