Overview

overview

10

Static

static

3

3a94a3d77e...59.exe

windows7-x64

10

3a94a3d77e...59.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3a94a3d77e6c13abd7e0bdc99fda94ced5ab4243094c7df8851f987bd28cd959

  • Size

    90KB

  • Sample

    241208-1l2rsavlbt

  • MD5

    bf0334416987502fec6746e9518ab217

  • SHA1

    e1a2f0055c243876e303641701679758b3357f7d

  • SHA256

    3a94a3d77e6c13abd7e0bdc99fda94ced5ab4243094c7df8851f987bd28cd959

  • SHA512

    9faa9900504a6daf3b09d550ba40fd46d88d42451374ba64d3ad4367a08c564f706a0069f1bab3c66a283ecdc7e113b0ab38bfbf8814701d74499c94199e2425

  • SSDEEP

    1536:kaPBxh8Fh+wQwD5u6ge5KW6ZivLuOATSvjDVGju/Ub0VkVNK:kaP58Fh+wd5u6/5B7vLXVGju/Ub0+NK

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

      3a94a3d77e6c13abd7e0bdc99fda94ced5ab4243094c7df8851f987bd28cd959

    • Size

      90KB

    • MD5

      bf0334416987502fec6746e9518ab217

    • SHA1

      e1a2f0055c243876e303641701679758b3357f7d

    • SHA256

      3a94a3d77e6c13abd7e0bdc99fda94ced5ab4243094c7df8851f987bd28cd959

    • SHA512

      9faa9900504a6daf3b09d550ba40fd46d88d42451374ba64d3ad4367a08c564f706a0069f1bab3c66a283ecdc7e113b0ab38bfbf8814701d74499c94199e2425

    • SSDEEP

      1536:kaPBxh8Fh+wQwD5u6ge5KW6ZivLuOATSvjDVGju/Ub0VkVNK:kaP58Fh+wd5u6/5B7vLXVGju/Ub0+NK

    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