Overview

overview

10

Static

static

3

70a5e7ff4a...ac.exe

windows7-x64

10

70a5e7ff4a...ac.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    70a5e7ff4a45fd11642ad00be6c0781c87309233164ad596fdb9cd3a58dfeeac

  • Size

    161KB

  • Sample

    241224-3c8j3s1jek

  • MD5

    9e05f4f83fcbb3ce3e4574b25ca8e4fb

  • SHA1

    521c862a91621281af9764d3c3f3db98110a3aa7

  • SHA256

    70a5e7ff4a45fd11642ad00be6c0781c87309233164ad596fdb9cd3a58dfeeac

  • SHA512

    587afed4937b8220d25318011519340face20e56ec34b1f2785a0f6d9d3acd5c4a251e8d46898fe0af98c2ce032a2818227aeb2e094cc013a2df2992a100c8b5

  • SSDEEP

    3072:FtsDbCh8X3jHeQgnEBYIXklVwtCJXeex7rrIRZK8K8/kvV:/SCh8HyQCwYWklVwtmeetrIyRV

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

      70a5e7ff4a45fd11642ad00be6c0781c87309233164ad596fdb9cd3a58dfeeac

    • Size

      161KB

    • MD5

      9e05f4f83fcbb3ce3e4574b25ca8e4fb

    • SHA1

      521c862a91621281af9764d3c3f3db98110a3aa7

    • SHA256

      70a5e7ff4a45fd11642ad00be6c0781c87309233164ad596fdb9cd3a58dfeeac

    • SHA512

      587afed4937b8220d25318011519340face20e56ec34b1f2785a0f6d9d3acd5c4a251e8d46898fe0af98c2ce032a2818227aeb2e094cc013a2df2992a100c8b5

    • SSDEEP

      3072:FtsDbCh8X3jHeQgnEBYIXklVwtCJXeex7rrIRZK8K8/kvV:/SCh8HyQCwYWklVwtmeetrIyRV

    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