Overview

overview

10

Static

static

3

6b583f65aa...96.exe

windows7-x64

10

6b583f65aa...96.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6b583f65aa09f29a4fa482bcf833a5b690b6b618d5e0e03d1c52d45cc8936d96.exe

  • Size

    74KB

  • Sample

    241222-ptcbbayjev

  • MD5

    4a57f5c049bfdf4f1ced313e21f180f0

  • SHA1

    92e7e0b3e21088c6719ac481d2d8a9185ed1b59e

  • SHA256

    6b583f65aa09f29a4fa482bcf833a5b690b6b618d5e0e03d1c52d45cc8936d96

  • SHA512

    b2b64d7271eaf9807208862bf851dc8c2ea3b250d42f7ff47af62433b8c7e96a704499916dc908e90f770130a4e89877e5e8b839fc8e54960729531aaf5d77be

  • SSDEEP

    1536:WNeUlGLsH0PhmpvHnVNZ/UUeEH6FNiCbKhWclZv70RfMmiAsX3r:W5ULsH0pOPnVtF6Lb9clZvufMmLA3r

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

      6b583f65aa09f29a4fa482bcf833a5b690b6b618d5e0e03d1c52d45cc8936d96.exe

    • Size

      74KB

    • MD5

      4a57f5c049bfdf4f1ced313e21f180f0

    • SHA1

      92e7e0b3e21088c6719ac481d2d8a9185ed1b59e

    • SHA256

      6b583f65aa09f29a4fa482bcf833a5b690b6b618d5e0e03d1c52d45cc8936d96

    • SHA512

      b2b64d7271eaf9807208862bf851dc8c2ea3b250d42f7ff47af62433b8c7e96a704499916dc908e90f770130a4e89877e5e8b839fc8e54960729531aaf5d77be

    • SSDEEP

      1536:WNeUlGLsH0PhmpvHnVNZ/UUeEH6FNiCbKhWclZv70RfMmiAsX3r:W5ULsH0pOPnVtF6Lb9clZvufMmLA3r

    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