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Overview

overview

10

Static

static

10

1c03ca664a...89.exe

windows7-x64

10

1c03ca664a...89.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1c03ca664ad808a4d6d8a2467487b89275c5e04729c770e331a808a74a24a389.exe

  • Size

    295KB

  • Sample

    241225-yfjmxavngm

  • MD5

    303c93611f30ae02e77db5669226cc83

  • SHA1

    520d88940f70c2e6b4599a3cd5083051c2885723

  • SHA256

    1c03ca664ad808a4d6d8a2467487b89275c5e04729c770e331a808a74a24a389

  • SHA512

    2d10e02bb8b3cbf115d8bedcff0a8f5bf628c06b754618dc73b560cbf7c9c8af23243516e4048b3b6c025302748424b33d112eeda4a7dcc6338d93bc1beb7403

  • SSDEEP

    6144:ur8HGQ6fR2OWI/5WB1PY1PRe19V+tbFOLM77OLY:q8HGT5xc6fe0tsNM

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

      1c03ca664ad808a4d6d8a2467487b89275c5e04729c770e331a808a74a24a389.exe

    • Size

      295KB

    • MD5

      303c93611f30ae02e77db5669226cc83

    • SHA1

      520d88940f70c2e6b4599a3cd5083051c2885723

    • SHA256

      1c03ca664ad808a4d6d8a2467487b89275c5e04729c770e331a808a74a24a389

    • SHA512

      2d10e02bb8b3cbf115d8bedcff0a8f5bf628c06b754618dc73b560cbf7c9c8af23243516e4048b3b6c025302748424b33d112eeda4a7dcc6338d93bc1beb7403

    • SSDEEP

      6144:ur8HGQ6fR2OWI/5WB1PY1PRe19V+tbFOLM77OLY:q8HGT5xc6fe0tsNM

    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