Overview

overview

10

Static

static

3

4f62fd4a48...f4.exe

windows7-x64

10

4f62fd4a48...f4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4f62fd4a48d04a6889b2fcae679e90ac387ed6abf05a251b368bfbde32636df4.exe

  • Size

    72KB

  • Sample

    241222-sbvays1qbv

  • MD5

    6c731c4c81f954f974458276a0be95a8

  • SHA1

    f430892f9b3751847fc431b5ce34178b82248089

  • SHA256

    4f62fd4a48d04a6889b2fcae679e90ac387ed6abf05a251b368bfbde32636df4

  • SHA512

    f0eb8485c932e36105b45bc3c8f4fad510c55e93d40426aca4d091a091b6b6c60414ac381b4a5b68ab5de369291b76d22c895dc6005a98f1ca1fdb2bc4158bc5

  • SSDEEP

    1536:gy671ZDPIZKZOErVG+zMD8bQYmh+4gxeLY5HgIkg47l09Y1GP+Jl9k0ej:gF5ZEZfCG+zMD85o+Zx2Y9gI2l0wIJj

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

      4f62fd4a48d04a6889b2fcae679e90ac387ed6abf05a251b368bfbde32636df4.exe

    • Size

      72KB

    • MD5

      6c731c4c81f954f974458276a0be95a8

    • SHA1

      f430892f9b3751847fc431b5ce34178b82248089

    • SHA256

      4f62fd4a48d04a6889b2fcae679e90ac387ed6abf05a251b368bfbde32636df4

    • SHA512

      f0eb8485c932e36105b45bc3c8f4fad510c55e93d40426aca4d091a091b6b6c60414ac381b4a5b68ab5de369291b76d22c895dc6005a98f1ca1fdb2bc4158bc5

    • SSDEEP

      1536:gy671ZDPIZKZOErVG+zMD8bQYmh+4gxeLY5HgIkg47l09Y1GP+Jl9k0ej:gF5ZEZfCG+zMD85o+Zx2Y9gI2l0wIJj

    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