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Overview

overview

10

Static

static

3

1844f9cb17...4N.exe

windows7-x64

10

1844f9cb17...4N.exe

windows10-2004-x64

10

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General

  • Target

    1844f9cb1786f55aa41aa5778e9590e5852cd528079a8f0100a424c9edf80d74N

  • Size

    128KB

  • Sample

    240927-ggv9naxgmk

  • MD5

    7d10dd1d37d1fcdc4a04a55b0f18dfb0

  • SHA1

    01c9ecbbd35e88dd185c4a5747f81bf0408d7131

  • SHA256

    1844f9cb1786f55aa41aa5778e9590e5852cd528079a8f0100a424c9edf80d74

  • SHA512

    0d31fe70710e913b68e2384d248d613710f29daf8d88ac4ca8b71594bdf90b0dec749e00e7b1179d9a57a68678cee3fe5f894b9d8e8c790b5d54610aa4f08ad9

  • SSDEEP

    1536:Bf9sJ377u8K7kqfOA9q4+RKYsbsDbwZG9o1nFzz3yjCQRawEDAJB8g:Bf6J33ut7kqWGWswDbwf1nFzwSAJB8g

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

      1844f9cb1786f55aa41aa5778e9590e5852cd528079a8f0100a424c9edf80d74N

    • Size

      128KB

    • MD5

      7d10dd1d37d1fcdc4a04a55b0f18dfb0

    • SHA1

      01c9ecbbd35e88dd185c4a5747f81bf0408d7131

    • SHA256

      1844f9cb1786f55aa41aa5778e9590e5852cd528079a8f0100a424c9edf80d74

    • SHA512

      0d31fe70710e913b68e2384d248d613710f29daf8d88ac4ca8b71594bdf90b0dec749e00e7b1179d9a57a68678cee3fe5f894b9d8e8c790b5d54610aa4f08ad9

    • SSDEEP

      1536:Bf9sJ377u8K7kqfOA9q4+RKYsbsDbwZG9o1nFzz3yjCQRawEDAJB8g:Bf6J33ut7kqWGWswDbwf1nFzwSAJB8g

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks